[Problem] To provide an injection molding machine and a controlling method therefor with which it is possible to reduce defective molding. [Solution] An injection molding machine according to the present embodiment molds a product for each molding cycle through an injection step of injecting a material into a clamped mold, a dwelling step of controlling a dwelling pressure of the material in the mold; and a cooling step of cooling the material in the mold, the injection molding machine being provided with a mold open amount sensor that detects a mold open amount of the mold and a control unit that controls a mold clamping force of the mold and a dwelling pressure on the basis of the mold open amount during the molding cycle.
To provide a method for measuring fluidity index of molten resin, which can keep track of fluidity of molten resin online even during continuous molding. The present invention is configured such that, in a measuring step for pooling molten resin in front of a screw, a narrow flow passage that is formed in a flow passage of the molten resin is regarded as a capillary or orifice; a measured resin amount of the molten resin and a back pressure acting on the screw during the measuring step are measured by an injection unit in an injection molding machine; and a fluidity index that represents the fluidity property of the measured molten resin is calculated according to the measured resin amount and back pressure.
Provided is a deep ultraviolet LED with a design wavelength λ, including a reflecting electrode layer, an ultra-thin metal layer, and a p-type contact layer that are arranged in this order from a side opposite to a substrate; and a hemispherical lens bonded to a rear surface of the substrate on a side of the p-type contact layer, the hemispherical lens being transparent to light with the wavelength λ. The refractive index of the hemispherical lens is greater than or equal to the average value of the refractive index of the substrate and the refractive index of air and is less than or equal to the refractive index of the substrate. The hemispherical lens has a radius that is greater than or equal to the radius of an inscribed circle of the substrate and is about equal to the radius of a circumscribed circle of the substrate.
H01L 29/06 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions
H01L 33/10 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
H01L 33/06 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
H01L 33/14 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a carrier transport control structure, e.g. highly-doped semiconductor layer or current-blocking structure
H01L 33/20 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
With a view to reducing arithmetic processing load when detecting a malfunction of a timing belt, this injection molding machine 1 is provided with: a timing belt 85 which is installed around a drive-side rotary member 91 and a driven-side rotary member 101 so as to transmit motive power from the drive-side rotary member 91 to the driven-side rotary member 101; a drive-side rotation detection unit 95 for detecting the rotation speed of the drive-side rotary member 91; a driven-side rotation detection unit 105 for detecting the rotation speed of the driven-side rotary member 101; and a malfunction detection unit 201 for detecting a malfunction of the timing belt 85 on the basis of a relative speed difference between the rotation speed of the drive-side rotary member 91 detected by the drive-side rotation detection unit 95 and the rotation speed of the driven-side rotary member 101 detected by the driven-side rotation detection unit 105, in a predetermined period after rotation of the drive-side rotary member 91 has started from a stopped state.
A run-around circuit 53 causes an operating fluid which is discharged from a rod side chamber 31r as a piston 33 moves forward in an injection cylinder 27 to flow into a head side chamber 31h. A servo valve 55 is provided in a run-around circuit 53 and is also connected to a tank 39. In a first state, the servo valve 55 prohibits a flow from the rod side chamber 31r to the tank 39, while permitting a flow from the rod side chamber 31r to the head side chamber 31h. In a second state, the servo valve 55 permits a flow from the rod side chamber 31r to the tank 39, while prohibiting a flow from the rod side chamber 31r to the head side chamber 31h. The servo valve 55 is also capable of controlling the flow volume of the operating fluid discharged from the rod side chamber 31r, in each of the first state and the second state.
A gap control unit 75 controls a horizontal clamping type mold clamping device 7 to cause mating surfaces 103a and 105a of a die 101 to face one another across a gap 109, and to cause a cavity Ca and the outside of the die 101 to communicate with one another by way of the gap 109. A molten metal supply control unit 81 controls a molten metal supply device 13 to supply molten metal into a sleeve 39 when the gap 109 is being maintained. An injection control unit 79 controls a horizontal injection type injection device 9 to begin advancing a plunger 41 when the gap 109 is being maintained and there is molten metal inside the sleeve 39. A mold clamping control unit 77 controls the mold clamping device 7 to cause the mating surfaces to come into contact with one another to eliminate the gap 109 after the plunger 41 has begun advancing, and before the molten metal has reached a molten metal surface height H2 at which the molten metal flows into the gap 109.
A purpose of the present invention is to provide a barrel support device for an injection device, said support device making it possible to effectively reduce sagging of a barrel due to the weight thereof. A barrel support device according to an aspect of the present invention comprises a barrel support member 32 that supports a barrel 12 from below, and a leg part 38 that supports the barrel support member 32 and can move in a manner following the advancement and retraction of the barrel.
222effeffeff represents an effective refractive index of the two-dimensional photonic crystal, and a represents a two-dimensional photonic crystal cycle) satisfies m=3, and a R/a ratio satisfies 0.3≤R/a≤0.4 when R represents the radius of the hole; an aluminum nitride ceramic package that has a surface having the deep ultraviolet LED element mounted thereon, that has an inorganic paint coating film having a reflection rate of 91% or higher, and that has an angle of the inner side wall of the package of 60-75°; and a quartz window that is provided to the outermost surface of the aluminum nitride ceramic package and that seals the deep ultraviolet LED element.
H01L 33/10 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
H01L 33/32 - Materials of the light emitting region containing only elements of group III and group V of the periodic system containing nitrogen
An additive manufacturing device includes a table that supports an additive manufactured object, and a manufacturing unit including a first nozzle that is movable with respect to the table and a second nozzle that is movable with respect to the table and also movable with respect to the first nozzle. The manufacturing unit discharges powder from at least one of the first nozzle and the second nozzle, and emits an energy beam from at least one of the first nozzle and the second nozzle to melt or sinter the powder to additively manufacture the object supported on the table.
B33Y 30/00 - Apparatus for additive manufacturingDetails thereof or accessories therefor
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturingAuxiliary means for additive manufacturingCombinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B29C 64/268 - Arrangements for irradiation using laser beamsArrangements for irradiation using electron beams [EB]
B22F 10/25 - Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
B28B 1/00 - Producing shaped articles from the material
In order to reduce the vertical heat shrinkage of a separator film while suppressing prolonged production time and apparatus configuration complexity, this apparatus comprises: an extractor (108) for extracting a liquid plasticizer from a raw film (5a) in the shape of a porous film by performing vertical-stretching and transverse-stretching on a sheet obtained by melt-kneading a polyolefin-based resin and a liquid plasticizer and then molding the melt-kneaded product; and a vertical shrinkage-type second transverse-stretching machine (110) provided with clip chains (8, 9) having a plurality of clips (18) for gripping the raw film (5a), and capable of vertically shrinking the raw film (5a) by adjusting the distances between the clips (18) while vertically conveying the raw film (5a) and transversely stretching the raw film (5a) by moving the clip chains (8, 9).
B29C 67/20 - Shaping techniques not covered by groups , or for porous or cellular articles, e.g. of foam plastics, coarse-pored
B29C 55/14 - Shaping by stretching, e.g. drawing through a dieApparatus therefor of plates or sheets multiaxial biaxial successively
C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
C08J 9/26 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
B29K 23/00 - Use of polyalkenes as moulding material
Provided are a tool shape measurement device (1, 1a) that measures the shape of a tool (12) installed on a main shaft (11) of a machine tool (2), and a tool shape measurement method, the tool shape measurement device (1, 1a) having: a camera (22) that photographs the tool (12); a main shaft rotation angle sensor (41) that detects a rotation angle of the main shaft (11); and a control device (20) that outputs a photographing instruction to the camera (22) according to the rotation angle of the main shaft (11) detected by the main shaft rotation angle sensor (41).
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Japan)
Inventor
Kashima Yukio
Matsuura Eriko
Kokubo Mitsunori
Tashiro Takaharu
Hirayama Hideki
Maeda Noritoshi
Kamimura Ryuichiro
Osada Yamato
Furuta Kanji
Iwai Takeshi
Aoyama Yohei
Iwaisako Yasushi
Nagano Tsugumi
Takagi Hideki
Kurashima Yuuichi
Matsumae Takashi
Abstract
effeffeff: effective refractive index of two-dimensional photonic crystal, and a: period of two-dimensional photonic crystal) satisfies 3≤m≤4, and the ratio of R/a (R is the radius of the vacancies) satisfies 0.30≤R/a≤0.40.
Provided is a method for processing a workpiece using a tool, said method involving: retaining the workpiece; retaining the tool; and moving the retained tool relative to the retained workpiece in accordance with control that is based on an NC program including an expression for computing the position of the retained tool.
G05B 19/4093 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
B23Q 15/00 - Automatic control or regulation of feed movement, cutting velocity or position of tool or work
14.
Method for correcting a position of a tip of a machine tool
A machine tool includes a mounting table, a tool, a shade detector, and a tool controller. A workpiece is placed on the mounting table. The tool includes a tip. The shade detector is fixed on the mounting table, provides an optical path of a laser light, and detects a shade state of the laser light. The tool controller is connected to the mounting table via a supporting structure and controls an orientation and a position of the tool. A reference point associated with the tool is provided to the tool controller. The tool controller corrects a position of the tip based on a difference between a position obtained by calculation of the reference point in the case where the tip is matched with a measurement position P of a laser light and a position of the reference point when the tip portion is actually matched with a measurement position while keeping the orientation of a tool.
This kneading method includes: a conveyance path conveyance step in which a raw material is conveyed along a conveyance path; and a channel flow step in which the pressure of the raw material is raised by the restriction, by an obstructing wall section (82), of conveyance by a conveyance section (81), the raw material with raised pressure is made to flow from an inlet (91) located in the conveyance section (81) into a channel (88), the raw material that has flowed into the channel (88) is made to flow toward an outlet (92) in the same direction as the direction of conveyance by the conveyance section (81), and the raw material that has flowed through the channel (88) is made to flow out from the outlet (92) to the outer periphery of a screw main body (37). The raw material is a polypropylene-based resin composition that contains polypropylene and an olefin rubber.
B29B 7/42 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
B29B 7/48 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
C08J 3/20 - Compounding polymers with additives, e.g. colouring
16.
DEEP ULTRAVIOLET LED AND PRODUCTION METHOD FOR SAME
1Dneff2Deff2Deff2Deff being the effective refractive index of the two-dimensional photonic crystal, and a being the period of the two-dimensional photonic crystal) satisfies 2≤m≤4, and in that, when the radius of the holes is R, 0.30≤R/a≤0.40.
H01L 33/10 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
H01L 33/32 - Materials of the light emitting region containing only elements of group III and group V of the periodic system containing nitrogen
17.
Barrel block for twin-screw extruder and twin-screw extruder
A barrel block for a twin-screw extruder constitutes a barrel including a cylinder and has joints at both ends. A first joint includes a first inner joint face on a peripheral edge of a first hole of an insertion hole for screws, and includes a first flank face and a first outer joint face on an outer periphery of the first inner joint face. The first outer joint face is located in the outer periphery of a plurality of first bolt holes. The first outer joint face is more recessed toward a second block end face than the first inner joint face.
B29B 7/48 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
According to one embodiment, a transfer apparatus includes a transfer roller which supports a mold and transfers a fine transfer pattern formed on the mold to a resin coated on a substrate installed in a substrate installation part with movement of the transfer roller and a transfer roller guide part for guiding the transfer roller when the mold is pressed against the resin coated on the substrate installed in the substrate installation part by the movement of the transfer roller.
[Problem] To provide an injection molding machine capable of easily performing steps for setting and preparing an injection molding operation in a short time. [Solution] This injection molding machine is provided with: a mold clamping mechanism that moves a first mold and/or a second mold, and clamps or opens the mold; an injection device that injects resin into a cavity between the first mold and the second mold; a storage unit that stores first and second operation information indicating the operation of the first or second mold, the operation of the mold clamping mechanism, the operation of the injection device, or a process based on a system program, stores first image information associated with the first operation information, and stores second image information associated with the second operation information; a display unit that displays the first and second image information such that the first and/or second image information is displayed at a position provided by an operator; and a control unit that executes the process based on the system program or instructs an operation indicated by the first or second operation information related to the first and/or second image information displayed on the display unit. The first and second operation information is information about an injection molding operation based on a first or second production condition, and is the operation information about the mold clamping mechanism or is the operation information about the first and second molds from start to completion of the injection molding operation. The display unit displays a plurality of operation points each indicating the position of the first mold, the second mold, or the mold clamping mechanism with respect to a time from the start of the injection molding operation or a step in the injection molding operation, and displays line segments connecting the plurality of operation points. The first image information and the second image information are displayed on the operation points.
G06F 3/0481 - Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
[Problem] To provide an injection molding machine that enables the molding control to be easily set so as to remedy a molding defect. [Solution] An injection molding machine according to an embodiment molds an article by injecting resin into a mold and comprises: a storage part for storing information indicating the relationship between multiple operation processes included in the molding process of the article and multiple molding controls related to the operation processes, and information indicating the relationship between the molding controls and the multiple molding defects in the article; a display part for displaying the multiple operation processes and the multiple molding defects and that displays as an associated molding control a molding control that is related to a selected operation process selected by an operator from the multiple operation processes and a selected molding defect selected by the operator from the multiple molding defects; and a control part for extracting a molding control as the associated molding control on the basis of a table preset using the multiple operation processes and the multiple molding defects.
An apparatus for manufacturing a molded body assembly includes: a to-be-molded body holder configured to hold a to-be-molded body placed thereon; a raw material roll placement portion in which a mold raw material roll is placed; a mold holder configured to hold a leading edge portion of an uncut mold extending from the mold raw material roll, and to move relative to the to-be-molded body holder; a transfer unit configured to transfer a fine transfer pattern of the uncut mold to the to-be-molded body placed on and held by the to-be-molded body holder, a cutting unit; and a controller configured to control the to-be-molded body holder, the mold holder, the transfer unit, and the cutting unit configured to cut the uncut mold at a predetermined position in a longitudinal direction thereof, thereby manufacturing a mold body assembly.
A convey device, which conveys an insert member into a die, includes a holding device configured to hold the insert member in an attitude in which a major surface of the insert member is in a substantially gravitational direction; a convey mechanism configured to convey the insert member to the die, while the insert member is being held in the attitude by the holding device; and a heating device configured to heat the insert member. The insert member can be heated by the heating device before the insert member is disposed in the die.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29C 31/08 - Feeding, e.g. into a mould cavity of preforms
B29C 70/46 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
F27B 9/30 - Details, accessories or equipment specially adapted for furnaces of these types
B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
A method for machining grooves in the surface of a workpiece in which a dummy groove is machined in the surface of the workpiece by moving a cutting tool relative to the workpiece in a first machining direction of the workpiece, then orienting the cutting tool 180 degrees as compared to the first machining, and subsequently second machining the dummy groove by moving the cutting tool in a second direction opposite to the first direction. A displacement of a cutting edge of the cutting tool, caused by the first and second machining of the dummy groove is measured. A groove is machined with the cutting tool in a forward stroke and then a return stoke with the cutting tool rotated 180 degrees between the strokes. A relative position between the workpiece and the cutting tool during the forward and return strokes is corrected so as to eliminate the displacement.
A thin film member forming device includes a reference roll fixedly disposed while being rotatably supported by a first bearing member, a movable roll disposed movably with respect to the reference roll while being rotatably supported by a second bearing member, a roll gap adjusting mechanism which adjusts a gap between the reference roll and the movable roll and a roll opening mechanism which expands the gap. The roll gap adjusting mechanism adds a load in a direction to narrow the gap to the second bearing member, and the roll opening mechanism adds a load in a direction to expand the gap to the second bearing member.
An additive manufacturing device according to one embodiment is provided with: a base for supporting an article to undergo additive manufacturing; and a forming unit that has a first nozzle movable with respect to the base and a second nozzle movable with respect to the base and also movable with respect to the first nozzle, and forms the article to be supported on the base by discharging powder from at least one of the first nozzle and the second nozzle and emitting energy rays from at least one of the first nozzle and the second nozzle so that the powder is fused or sintered.
37 - Construction and mining; installation and repair services
Goods & Services
Plastic processing machines and apparatus; die casting
machines and apparatus. Repair or maintenance of plastic processing machines and
apparatus; repair or maintenance of die casting machines and
apparatus.
37 - Construction and mining; installation and repair services
Goods & Services
Plastic processing machines and apparatus; die casting
machines and apparatus. Repair or maintenance of plastic processing machines and
apparatus; repair or maintenance of die casting machines and
apparatus.
In an injection cylinder which can be connected with a plunger, the internal portion of the cylinder part is partitioned by a piston into a rod-side chamber on the side of the piston rod and a head-side chamber on the opposite side. An accumulator can supply a hydraulic fluid to the head-side chamber. A head-use pressure sensor can detect a pressure of the head-side chamber. A flow control valve can control a flow rate of the hydraulic fluid discharged from the rod-side chamber. A control device includes an OP control part which starts open control driving the flow control valve to the opening direction after the start of supply of the hydraulic fluid from the accumulator to the head-side chamber conditional on the detection pressure of the head-use pressure sensor rising up to the predetermined set value.
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
B22D 2/00 - Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
B22D 17/12 - Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with vertical press motion
According to one embodiment, under a condition that a substrate is installed on a substrate installation unit, a mold is installed on a mold installation unit, and a mask unit is installed in a mask-unit installation unit, a transfer apparatus controls an operation of a mold presser unit so as to press the mold against the substrate, the operation of a first positioning unit so as to position the mask unit with respect to the mold and the operation of an irradiation unit so as to irradiate an uncured material provided on the surface of the substrate with electromagnetic waves of a predetermined wavelength.
Provided is a deep ultraviolet LED with a design wavelength λ, including a reflecting electrode layer, an ultra-thin metal layer, and a p-type contact layer that are arranged in this order from a side opposite to a substrate; and a hemispherical lens bonded to a rear surface of the substrate on a side of the p-type contact layer, the hemispherical lens being transparent to light with the wavelength λ. The refractive index of the hemispherical lens is greater than or equal to the average value of the refractive index of the substrate and the refractive index of air and is less than or equal to the refractive index of the substrate. The hemispherical lens has a radius that is greater than or equal to the radius of an inscribed circle of the substrate and is about equal to the radius of a circumscribed circle of the substrate.
H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
H01L 33/10 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
H01L 33/06 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
H01L 33/14 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a carrier transport control structure, e.g. highly-doped semiconductor layer or current-blocking structure
H01L 33/20 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
A shape forming system according to one embodiment includes a mold assemblies; a heating unit; a pressing unit; a cooling unit; an isolation chamber configured to accommodate therein the heating unit, the pressing unit, and the cooling unit arranged in parallel with each other; and a conveyance unit configured to move the plurality of mold assemblies each of which is arranged on a plate provided in each of the heating unit, the pressing unit, and the cooling unit to thereby convey the mold assemblies in sequence.
B29C 33/36 - Moulds or coresDetails thereof or accessories therefor movable, e.g. to or from the moulding station continuously movable
B29C 33/02 - Moulds or coresDetails thereof or accessories therefor with incorporated heating or cooling means
B29C 43/06 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles using movable moulds continuously movable
C03B 11/12 - Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine
B29C 43/08 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles using movable moulds continuously movable with circular movement
The light extraction efficiency of a deep ultraviolet LED is increased. The deep ultraviolet LED has a design wavelength λ, and includes, sequentially arranged from a side opposite to a substrate, a reflecting electrode layer, a metal layer, a p-GaN contact layer, a p-AlGaN layer that is transparent to light with the wavelength λ, one of a multi-quantum barrier layer or an electron blocking layer, a barrier layer, and a quantum well layer. A thickness of the p-AlGaN layer is less than or equal to 100 nm. A reflecting photonic crystal periodic structure having a plurality of voids is provided in a region in a thickness direction including at least an interface between the p-GaN contact layer and the p-AlGaN layer such that the reflecting photonic crystal periodic structure does not extend beyond the p-AlGaN layer in a direction of the substrate. Maximum light extraction efficiency is obtained when a distance from end faces of the voids in the direction of the substrate to the quantum well layer is greater than or equal to a total thickness of the barrier layer and the multi-quantum barrier layer (or the electron blocking layer) and less than or equal to 80 nm, and a depth h of each void is less than or equal to a total thickness of the p-AlGaN layer and the p-GaN contact layer. The reflecting photonic crystal periodic structure has a photonic band gap that opens for TE polarized components. A period a of the photonic crystal periodic structure satisfies a Bragg condition with respect to light with the design wavelength λ. An order m in a formula of the Bragg condition satisfies 1≤m≤5. Provided that a radius of each void is R, R/a with which the photonic band gap becomes maximum is satisfied.
H01L 33/10 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
H01L 33/32 - Materials of the light emitting region containing only elements of group III and group V of the periodic system containing nitrogen
A control system of a machine tool includes a hydraulic pressure adjuster. The hydraulic pressure adjuster includes a sequence program controller that includes components for adding a function of adjusting a hydrostatic pressure of a static pressure oil supplied to a hydrostatic pressure guide mechanism, which are a pressure setting unit, a constant acceleration motion controller, a workpiece-weight calculator and a supply state adjuster.
B23Q 3/10 - Auxiliary devices, e.g. bolsters, extension members
B23Q 3/00 - Devices holding, supporting, or positioning, work or tools, of a kind normally removable from the machine
F16C 32/06 - Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
B23Q 1/38 - Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable membersMeans for preventing relative movement of such members using fluid bearings or fluid cushion supports
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
G05B 19/401 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes
An industrial machinery includes: a drive mechanism driving a control target that moves work or a tool; a motor; a first sensor detecting a position of the control target; a second sensor detecting a position of the motor; a current controller controlling a supply current to the motor; a servo controller outputting a torque instruction to the current controller; and a numerical controller calculating a processing force of the control target to the work based on position information on the control target acquired from the first sensor, position information on the motor acquired from the second sensor, and the torque instruction, the numerical controller determining that the tool is in failure if an absolute value of a first component of the processing force becomes equal to or larger than a first threshold value while processing the work, the first component having a frequency lower than a predetermined frequency.
G05B 19/402 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for positioning, e.g. centring a tool relative to a hole in the workpiece, additional detection means to correct position
A die casting machine includes a plurality of ejector pins capable of advancing and retracting together with respect to the internal portion of a die; an electric motor capable of driving the plurality of ejector pins; a position sensor capable of detecting the positions of the plurality of ejector pins; a force sensor capable of detecting the pressure which is given to the molding material inside the die by the plurality of ejector pins; a display device capable of displaying images, and a control device controlling the electric motor and display device. The control device includes a drive control part which controls the electric motor so as to generate a driving force making the plurality of ejector pins advance to the inside of the die after the start of injection and before die opening, and a display control part which controls the display device so as to display the position detected by a position sensor and the pressure detected by a force sensor along a common time axis.
[Problem] To provide an injection molding machine with which it is easy to control the pressure of molding material near a deceleration start position of a screw. [Solution] An injection molding machine according to the present embodiment molds a product through an injection step of injecting material into a mold and a pressure holding step of controlling a holding pressure of the material in the mold. The injection molding machine is provided with: a barrel in which the material is stored; a screw that injects the material from the barrel into the mold; a setting unit capable of setting a deceleration start position and a stop position of the screw in switching from the injection step to the pressure holding step; and a control unit that controls the speed of the screw on the basis of the deceleration start position and the stop position.
A barrel main body, a sleeve, and a fixing mechanism (a fastening hole and a fastening device) are provided. The barrel main body includes a barrel hole having a cylindrical shape and a slit dividing an inner circumferential surface of the barrel hole. The sleeve having a hollow cylindrical shape is removably incorporated into the barrel hole. The slit includes two cutout surfaces facing each other with a space between. The fixing mechanism brings the inner circumferential surface of the barrel hole into close contact with the sleeve without any gap by narrowing the space between the cutout surfaces and deforming the barrel main body.
B29C 48/80 - Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
B29C 48/25 - Component parts, details or accessoriesAuxiliary operations
B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
A clip-type stretching apparatus includes a main link device, a sub-link device, a standard rail, a pitch setting rail, and drive sprockets, the main link device including a first clip support member having a clip, the sub-link device having the clip, the standard rail defining a circulation route of the clip, the pitch setting rail setting a pitch between the first clip support members by a distance from the standard rail, the drive sprockets engaged with a drive roller provided in a first shaft member of the first clip support member and causing the first clip support member to travel.
A mold clamping apparatus according to the present invention includes: a fixed platen to which one mold of a pair of molds is to be mounted; a movable platen which is disposed opposite the fixed platen and to which the other mold is to be mounted; a pressure-receiving platen connected to the fixed platen via tie bars; a mold opening/closing mechanism including a toggle link mechanism for opening/closing and clamping the molds by moving the movable platen back and forth; a drive mechanism including a servo motor for driving the mold opening/closing mechanism; and a control device for controlling the servo motor, wherein the control device includes an acceleration/deceleration adjustment section capable of adjusting an acceleration time, a deceleration time and a target speed of the servo motor during a mold clamping operation.
Provided is a deep ultraviolet LED with a design wavelength λ, including an Al reflecting electrode layer, an ultrathin metal layer, and a transparent p-AlGaN contact layer that are sequentially arranged from a side opposite to a substrate, and a photonic crystal periodic structure provided in the range of the thickness direction of the transparent p-AlGaN contact layer. The photonic crystal periodic structure has a photonic band gap.
An opening/closing apparatus is provided for use in a molding apparatus, such as an injection molding machine. The opening/closing apparatus may eliminate the influence of a slight gap formed between a bush and a pin in a link connecting portion of a toggle link mechanism and in addition, can enhance workability e.g., in mold replacement. An opening/closing apparatus of the present technology may include an opening/closing mechanism including a toggle link mechanism connecting a pressure-receiving platen and a movable platen; a drive mechanism for driving the opening/closing mechanism; and a core-back hydraulic cylinder for applying a load to the movable platen in a given direction in conjunction with the first drive mechanism, configured to perform the operation of slightly opening of the mold.
A molding apparatus is provided with a gate 29 for filling with a plasticizing material an injection molding space in which two intermediate substrates 6 and 7 are set, one of the intermediate substrates having a hole part 6h formed therein. The molding apparatus is provided with: a holder unit 32 capable of positioning the two intermediate substrates in the injection molding space while making the same face each other; and a supporting mechanism 33 having a pressing surface 33s that presses the two intermediate substrates positioned in the injection molding space toward the periphery of the gate to cause the hole part to be situated next to the gate. The plasticizing material filled from the gate is formed as an intermediate layer between the two intermediate substrates after passing through the hole part.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
A die casting machine includes a clamping device which opens and closes and clamps a pair of die halves, an injection apparatus which performs injection to the pair of die halves by making a plunger move forward in a sleeve communicated with a space between the pair of die halves, and a control device which controls the clamping device and injection apparatus. The control device includes an injection control part and press-use clamping control part. The injection control part controls the injection apparatus so as to start the injection in a state where the pair of die halves face each other through a gap. The press-use clamping control part controls the clamping device so that the die contact and clamping are carried out after the start of injection. Further, the injection control part performs control for decelerating the plunger before the plunger stops.
B22D 17/00 - Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
B22D 17/10 - Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
B22D 17/26 - Mechanisms or devices for locking or opening dies
An insert member (100) heated by a heating device (13) is conveyed, by means of a conveyance device (12), into a mold (51). Next, shaping is performed on the insert member (100) inside the mold (51), with the mold (51) being open by a minute distance. A molding material (91) is injected into the mold (51) and pressed while closing the mold (51) which has been open by the minute distance to thereby mold a molded article (80) including the insert member (100).
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29C 45/64 - Mould opening, closing or clamping devices
An opening/closing device (14) includes: a stationary platen (20); a movable platen (22) capable of moving toward or away from the stationary platen (20); an opening/closing mechanism (28) having a plurality of toggle links (30, 31, 32) at least one (32) of which is connected to the movable platen (22); a driving device (37) including a cross head (26) connected to at least one (30) of the toggle links and capable of moving the movable platen (22); and a control portion (50). The control portion (50) is configured to control the cross head (26) such that the movable platen (22) moves at fixed speed during fine die-opening operation.
B29C 44/42 - Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
An optical sheet forming technique comprises: an extrusion unit 9 with a discharge slit 18; a forming roll unit (10) with rolls 15, 16 and 17 that are capable of rotating centered on rotation axes; a thick section-forming groove 19 provided on the forming roll unit; and a position adjustment mechanism 12 capable of adjusting the position of the discharge slit 18 with respect to the thick section-forming groove. On a discharged molten resin 13a, neck-in sections 13p generated by the neck-in phenomenon are continuously configured along the extrusion direction Fp. A neck-in section 13p is positioned so as to face the thick section-forming groove 19 by the position adjustment mechanism 12.
It is an object of the present invention to provide a light diffusing lens production apparatus which makes it possible to efficiently produce a high-quality light diffusing lens having enhanced optical properties.
The light diffusing lens production apparatus includes: a pair of molds 15, consisting of a fixed mold 16 and a movable mold 18, which forms a final molded product cavity 22 that defines the shape of a light diffusing lens 14; a mold clamping apparatus 62 in which the pair of molds 15 is attached; a transport device 66, having a chuck means capable of entering and exiting the space between the pair of molds 15 in an open state, which inserts a semifinished molded product 12 for the light diffusing lens 14 into the final molded product cavity 22; a heating device 68, having a heating means capable of entering and exiting the space between the pair of molds 15 in an open state, which heats the fixed mold 16-facing surface of the inserted semifinished molded product until the surface becomes a molten state; and an injection apparatus 64 which, after clamping of the pair of molds 15, injects a molding material into the final molded product cavity 22 so that the molding material covers the molten surface of the semifinished molded product 12.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
A flow rate control valve configuring a meter-out circuit of an injection cylinder is an overlap type where a first port starts to be opened by a spool passing through an overlapping range. The control device holds a characteristic table linking a command value of a control command to the flow rate control valve and a velocity of a plunger including also the movement of the plunger which occurs due to a gap flow even if the spool is located in the overlapping range. Further, the control device specifies the command value corresponding to the target velocity set by operation of the input device based on the characteristic table, performs open control based on this command value, then performs the feedback control for realizing the target velocity.
B22D 17/10 - Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
49.
DEEP ULTRAVIOLET LED AND PRODUCTION METHOD THEREFOR
The objective of the invention is to increase light extraction efficiency in a deep ultraviolet LED. The deep ultraviolet LED has λ as the designed wavelength, and is characterized in that: the deep ultraviolet LED has a reflective electrode layer, a metal layer, a p-type GaN contact layer, and, transparent to the wavelength λ, a p-type AlGaN layer, a multi-quantum barrier layer or an electron-blocking layer, a barrier layer, and a quantum well layer, in this order from the side opposite a substrate; the film thickness of the p-type AlGaN layer is at most 100 nm; a reflective photonic crystal periodic structure contains at least the interface between the p-type GaN contact layer and the p-type AlGaN layer, and has a plurality of pits provided within a thickness direction range not exceeding the p-type AlGaN layer in the substrate direction; the maximum value of light extraction efficiency is obtained when the distance from the end surfaces of the pits in the substrate direction to the quantum well layer is at most 80 nm and equal to or greater than the total film thickness value for the barrier layer plus the multi-quantum barrier layer (or the electron-blocking layer), and the depth h of the reflective photonic crystal periodic structure is within the total film thickness value for the p-type AlGaN layer plus the p-type GaN contact layer; the reflective photonic crystal periodic structure has a photonic band gap that is open to a TE polarization component; the period a of the photonic crystal periodic structure satisfies Bragg's conditions with respect to a light of the designed wavelength λ; the order number m in the Bragg's condition formula satisfies 1 ≤ m ≤ 5; and when R is the radius of each of the pits, R/a at which the photonic band gap is maximum is satisfied.
H01L 33/10 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
H01L 33/32 - Materials of the light emitting region containing only elements of group III and group V of the periodic system containing nitrogen
50.
Movable platen support apparatus, movable platen, mold opening/closing apparatus and molding apparatus
A tool holder of a machine tool, in which the machine tool includes a spindle head and a spindle supported by the spindle head, includes: a shank portion attached to the spindle; a rotary portion integrally provided to the shank portion and to which a welding tool (processing tool) used for friction stir welding is attachable; a bearing mechanism (bearing) supporting the rotary portion so that the rotary portion is rotatable; and a bearing holder holding the bearing mechanism, in which the bearing holder is disposed facing the spindle head and is capable of transmitting a load applied to the bearing mechanism to the spindle head.
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by frictionFriction welding
F16C 19/30 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
B23Q 5/04 - Driving main working members rotary shafts, e.g. working-spindles
F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
F16C 35/06 - Mounting of ball or roller bearingsFixing them onto shaft or in housing
A friction stir welding tool attachable to a spindle of a machine tool includes: a shank connected to the spindle; a chuck connected to the shank through a heat insulating portion; a welding tool connected to the chuck and usable for friction stir welding; and a cooling jacket provided on a circumferential surface of the chuck. The cooling jacket is provided with a refrigerant path for delivering a refrigerant.
B23K 20/00 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by frictionFriction welding
53.
Molten metal feed pipe for molten nonferrous alloy, assembly of molten metal feed pipes, and nonferrous alloy casting system
A molten metal feed pipe for feeding a molten metal of an nonferrous alloy includes an outer tube made of a ferrous material, an inner tube made of a molten metal resistant material, and an intermediate member made of a compact of a fibrous non-organic material, which is disposed between the outer tube and the inner tube. The intermediate member, positioned in the central region of the molten metal feed pipe with respect to the longitudinal axial direction of the molten metal feed pipe, is disposed between the outer tube and the inner tube with the intermediate member being compressed in a radial direction of the molten metal feed pipe.
B22D 17/10 - Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion
B22D 17/30 - Accessories for supplying molten metal, e.g. in rations
B22D 21/00 - Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedureSelection of compositions therefor
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
A polishing apparatus includes: a holding section that holds a material to be polished; a polishing body that polishes the material to be polished held by the holding section; a head that supports the polishing body via an elastic mechanism; a driving mechanism that causes the head to be moved in a Z coordinate direction; a control unit that controls the driving mechanism; and a position sensor that measures a position of the polishing body with respect to the head. The load control is performed based on a measurement value of the position sensor and a spring constant value of the elastic mechanism.
An extruder includes a screw for extruder provided with a screw element for kneading a raw material, and a barrel including a cylinder portion in which the screw is inserted so as to be rotatable. A plurality of screw elements identical with the screw element are provided in a longitudinal direction of the screw under a certain rule. The barrel is integrated by combining a plurality of barrel blocks blocked. Each of the plurality of barrel blocks is configured in accordance with a length of the screw element provided in the longitudinal direction of the screw.
B29B 7/48 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
B29B 7/42 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
B29C 48/385 - Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
B29C 48/55 - Screws having reverse-feeding elements
B29C 48/54 - Screws with additional forward-feeding elements
B29C 48/25 - Component parts, details or accessoriesAuxiliary operations
B29C 48/57 - Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
B29C 48/09 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
B29C 48/80 - Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
B29C 48/53 - Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
B29K 33/00 - Use of polymers of unsaturated acids or derivatives thereof, as moulding material
B29K 69/00 - Use of polycarbonates as moulding material
The polishing apparatus includes: a holding section that holds a material to be polished; the polishing body that polishes the material to be polished held by the holding section; the head that supports the polishing body via the elastic mechanism; a driving mechanism that causes the head to be moved in a Z coordinate direction; and a control unit that is connected to the driving mechanism and controls the driving mechanism. A load measurement device to measure a load applied to the polishing body is attached to the head, and the load measurement device is connected to the polishing body via the elastic mechanism.
The present invention aims to stably maintain the posture of a crosshead by means of guide bars without an increase in the size of a link housing or tie bars. An opening/closing apparatus according to the present invention includes: a pressure-receiving plate (14); a fixed platen (12) to which a fixed mold (18) is to be mounted; a frame (11) on which the pressure-receiving plate (14) and the fixed platen (12) are installed; and a movable platen (16) which is movable on the frame (11) and to which a movable mold (19) is to be mounted. The opening/closing apparatus also includes: a crosshead movement mechanism including guide members (50) extending from the pressure-receiving plate (14), and a crosshead (25) whose movement is guided by the guide members (50); an opening/closing mechanism for opening/closing a mold, including a toggle link mechanism (22) connecting the pressure-receiving plate (14), the crosshead (25) and the movable platen (16), and a drive mechanism for driving the toggle link mechanism (22); and a guide member support mechanism for supporting the guide members (50). The guide member support mechanism has support portions (56) which are slidable on the upper surface of the frame (11).
A driving simulation test apparatus includes a movable body, a first translational drive portion that extends along a first direction, a first translational guide portion that extends along the first direction, and a plurality of first bases that extends along the first direction and is spaced from each other in a second direction. The first translational drive portion and the first translational guide portion are aligned in the second direction on each of the plurality of first bases, and the first translational drive portion includes a plurality of first translational drive portions arranged on each of the first bases.
A molding system 10 for manufacturing a molded article Q by integrally molding a sheet-shaped insert member S and a molding material R, the molding system comprising: a sheet supply part 20 configured to supply the insert member S; a sheet heating part 30 configured to heat the insert member S; a molding apparatus 100 configured to form the molded article Q by integrally molding the insert member S and the molding material R; an ejector 200 including a delivery position 222 and configured to transfer the insert member S between the sheet heating part 30 and the molding apparatus 100 and to eject and transfer the molded article Q from the molding apparatus; and a transfer robot configured to transfer the insert member S or the molded article Q between the sheet supply part 20 and the ejector.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29C 45/42 - Removing or ejecting moulded articles using means movable from outside the mould between mould parts
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
B29C 45/38 - Cutting-off equipment for sprues or ingates
B65G 15/00 - Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
An extruder screw includes a screw main body, conveyance portions, barrier portions, and paths. The raw materials, the conveyance of which is limited by the barrier portions, flow in from the entrance. The raw materials flowing in from the entrance flow through the paths in an opposite direction to a conveyance direction of the conveyance portions. The exit is opened in the outer circumferential surface of the screw main body at a position on an upstream side in the conveyance direction in the conveyance portions in which the entrance is opened.
B29C 48/51 - Screws with internal flow passages, e.g. for molten material
B29C 48/67 - Screws having incorporated mixing devices not provided for in groups
B29B 7/48 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
B29B 7/42 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
B29B 7/74 - MixingKneading using other mixers or combinations of dissimilar mixers
B29C 48/57 - Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
B29C 48/25 - Component parts, details or accessoriesAuxiliary operations
B29C 48/54 - Screws with additional forward-feeding elements
B29C 48/80 - Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
B29C 48/72 - Feedback means, i.e. part of the molten material being fed back into upstream stages of the extruder
B29C 48/55 - Screws having reverse-feeding elements
B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
B29C 48/03 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor characterised by the shape of the extruded material at extrusion
B29C 48/385 - Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
B29K 33/00 - Use of polymers of unsaturated acids or derivatives thereof, as moulding material
B29K 69/00 - Use of polycarbonates as moulding material
61.
DEEP-ULTRAVIOLET LED AND METHOD FOR MANUFACTURING SAME
A deep-ultraviolet LED having a design wavelength of λ and comprising a reflective electrode layer, an extremely thin-film metal layer, and a p-type contact layer which are disposed in that order from an opposite side from a substrate. The deep-ultraviolet LED further comprises a hemispherical lens which is bonded to a backside of the substrate on the p-type contact layer side and which is transparent to the wavelength λ, and is characterized in that the hemispherical lens has a refractive index which is greater than or equal to an average value of a refractive index of the substrate and a refractive index of air and which is within the refractive index of the substrate, the hemispherical lens having a radius greater than or equal to the radius of the inscribed circle of the substrate and on the order of the radius of the circumscribed circle thereof.
H01L 33/10 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
H01L 33/32 - Materials of the light emitting region containing only elements of group III and group V of the periodic system containing nitrogen
H01L 33/36 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the electrodes
e) of the lip portion (9) of a T-die (1), a cladding layer (10) is provided. The cladding layer is formed by laser build-up welding to a base material with a powder of a corrosion resistant and wear resistant alloy comprising a nickel-based alloy or a cobalt-based alloy. The cladding layer has a metallographic structure in which metal borides are dispersed in a binder phase. The lip portion has high quality and has high durability. The manufacturing costs of the T-die can also be kept relatively low.
C23C 18/16 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by reduction or substitution, i.e. electroless plating
C23C 18/18 - Pretreatment of the material to be coated
In a precision machine tool wherein a spindle head that is movable in the up and down direction is disposed on a column disposed on a bed and a water storage space for storing temperature-regulated cooling water is formed inside the column, the column has, in a lower part thereof, intake ports through which cooling water is led into the water storage space, the column has, in an upper part thereof, and an air vent hole through which air in the column is discharged is formed at a position higher than the drain opening.
B23Q 11/14 - Methods or arrangements for maintaining a constant temperature in parts of machine tools
B23Q 11/12 - Arrangements for cooling or lubricating parts of the machine
B23Q 1/01 - Frames, beds, pillars or like membersArrangement of ways
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
64.
Extruder screw passages, extruder and extrusion method
An extruder screw includes a screw body. The screw body is rotated about an axis parallel to a direction of conveyance of a raw material. A conveyance portion having a flight is provided on the outer peripheral surface of the screw body. The flight is configured to convey the raw material along the axis of the screw body when the screw body is rotated. A passage for permitting the raw material fed by the flight to pass therethrough to the outer peripheral surface of the screw body is provided in the screw body in a position deviated from the axis of the screw body.
B29C 48/515 - Screws with internal flow passages, e.g. for molten material for auxiliary fluids, e.g. foaming agents
B29C 48/395 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
B29B 7/48 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
B29B 7/42 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
B29C 48/57 - Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
B29C 48/54 - Screws with additional forward-feeding elements
B29C 48/80 - Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
B29K 33/00 - Use of polymers of unsaturated acids or derivatives thereof, as moulding material
B29K 69/00 - Use of polycarbonates as moulding material
65.
OPTICAL SHEET MOLDING DEVICE AND OPTICAL SHEET MOLDING METHOD
Provided is an optical sheet molding technology by means of which a thin sheet having a preset shape contour can be extruded with high accuracy. This optical sheet molding device has an extrusion unit, a molding roll unit, and a thick part molding mechanism. The extrusion unit has an ejection slit 18 through which a sheet-shaped molten resin can be ejected. The ejection slit is provided with a standard gap part 29 and an enlarged gap part 30. The standard gap part is configured to have a gap of a fixed size in a direction crossing the extrusion direction. The enlarged gap part is configured to have a larger gap than the standard gap part, in a position corresponding to a thick part. The molding roll unit conveys the ejected molten resin in the extrusion direction while causing the same to solidify. The thick part molding mechanism successively molds one or more thick parts, made thicker than other parts in the extrusion direction, in the sheet-shaped molten resin.
Provided is a liner-type barrel which does not require shrink-fit or cooling-fit and by which a sleeve can be easily and efficiently embedded in the barrel at low cost. A liner-type barrel is provided with: a barrel body 2; a sleeve 8; and a fixation mechanism (fastening holes 11 and fastening tools 12). The barrel body has a cylindrical barrel hole 5 and a slit 6 which divides an internal circumference surface 5s of the barrel hole. In the barrel hole, the hollow cylindrical sleeve 8 is embedded so as to be removable. The slit has two notch surfaces 6s facing each other with an interval therebetween. The fixation mechanism reduces the mutual interval between the notch surfaces to deform the barrel body, thereby bringing the internal circumference surface of the barrel hole into intimate contact with the sleeve.
A machine tool includes: a spindle head; a spindle rotatably supported on the spindle head; a chuck unit configured to chuck a tool inserted in an axis direction of the spindle; a tool holder configured to hold the tool attached to the chuck unit; and a rotary arm configured to move the tool holder to a reachable position of the spindle. The tool holder is supported on the rotary arm by a support mechanism, and the support mechanism includes a displacement following mechanism configured to support the tool holder on the rotary arm in a manner to be capable of displacing the tool holder in a direction intersecting an axis of the tool.
B23Q 3/157 - Arrangements for automatic insertion or removal of tools of rotary tools
B23Q 3/155 - Arrangements for automatic insertion or removal of tools
B23B 31/20 - Longitudinally-split sleeves, e.g. collet chucks
B23C 1/06 - Milling machines not designed for particular work or special operations with one vertical working-spindle
B23B 31/26 - Chucks characterised by features relating primarily to remote control of the gripping means using mechanical transmission through the working-spindle
B23C 1/00 - Milling machines not designed for particular work or special operations
B23Q 1/01 - Frames, beds, pillars or like membersArrangement of ways
This method for processing molten cast iron uses an inoculant that includes: 15-80 wt% of Si; as a rare earth element, either La of 80-100 wt% purity or Ce of 80-100 wt% purity; Ca; and Al; the remainder consisting of Fe and unavoidable impurities. The method includes a molten cast iron inoculation process, in which the inoculant is added to molten cast iron such that the amounts of the constituent elements added in relation to the molten cast iron are 0.001-0.009 wt% La or Ce, 0.001-0.02 wt% Ca, and 0.001-0.02 wt% Al.
Provided is a clip-type stretching apparatus with which it is possible, when a sheet-shaped member is to be subjected to simultaneous bi-axial stretching, to perform simultaneous bi-axial stretching adapted to a pre-set stretching pattern for the sheet-shaped member. A clip-type stretching apparatus 1 is provided with: primary link devices 30 provided with first clip support members 31 having clips 10; secondary link devices 60 having clips 10; a reference rail 12 that defines a circulation path of the clips 10; a pitch setting rail 13 that sets a pitch between the first clip support members 31 in accordance with the separation between the pitch setting rail 13 and the reference rail 12; and driving sprockets 14, 15 with which driving rollers 48 disposed on first shaft members 42 of the first clip support members 31 engage in order to cause the first clip support members 31 to travel.
Provided is an extrusion technology in which, as a result of providing a screw with a function for imparting stretching action to a starting material, stretching action is imparted to the whole of the starting material conveyed by the screw, without any leakage, and without lengthening an extruder (the screw), and the degree of kneading of the starting material is improved. Conveyance parts 22, barrier wall parts 23, and passages 37 are provided in a plurality of places in a section of a screw main body 11 where a kneading portion 11c is provided. The passage in at least one of these places is provided inside the screw main body, and is provided with an inlet 38 and an outlet 40. The inlet is open such that a starting material under increased pressure as a result of the conveyance thereof being restricted by the barrier wall part flows therein. The passage is formed such that the starting material flowing in from the inlet flows therethrough in the same direction as the direction of conveyance by the conveyance part. The outlet is open at the outer circumferential surface of the screw main body, in a position away from the conveyance part in which the inlet is open.
B29B 7/42 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
Provided is an extrusion technology in which, as a result providing a screw with a function for imparting stretching action to a starting material, stretching action is imparted to the whole of the starting material conveyed by the screw, without any leakage, and without lengthening an extruder (the screw), and the degree of kneading of the starting material is improved. Conveyance parts 22a, 22b, 22c, barrier wall parts 23, and passages 37 are provided in a plurality of places in a section of a screw main body 11 where a kneading portion 11c is provided. The passage in at least one of these places is provided inside the screw main body, and is provided with an inlet 38 and an outlet 40. The inlet is open such that a starting material under increased pressure as a result of the conveyance thereof being restricted by the barrier wall part flows therein. The passage is formed such that the starting material flowing in from the inlet passes therethrough in the opposite direction to the direction of conveyance by the conveyance part. The outlet is open at the outer circumferential surface of the screw main body, in a position located upstream of the conveyance part in which the inlet is open, in the direction of conveyance.
B29B 7/42 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
72.
Method of manufacturing transparent resin composition
In a method of manufacturing a transparent resin composition, a molten resin mixture is produced by supplying polycarbonate resin and acrylic resin continuously to a twin-screw extruder. The molten resin mixture is supplied to a single-screw extruder including a screw in which a shear processing portion is provided. Further, a transparent resin composition is produced continuously by kneading the molten resin mixture in the shear processing portion which rotates at between 500 and 4000 rpm.
B29B 7/74 - MixingKneading using other mixers or combinations of dissimilar mixers
B29B 7/48 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
B29B 7/42 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
C08L 33/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofCompositions of derivatives of such polymers
B29B 7/60 - Component parts, details or accessoriesAuxiliary operations for feeding, e.g. end guides for the incoming material
An injection device has an injection cylinder for driving a plunger, a gas pressure type accumulator which supplies hydraulic fluid to the injection cylinder, a hydraulic fluid supply device which supplies the hydraulic fluid to the accumulator, a pressure sensor for detecting the gas pressure of the accumulator, and a control device which controls the hydraulic fluid supply device so as to suspend the supply of the hydraulic fluid when detection value of the pressure sensor reaches a predetermined target gas pressure before injection in the state where the hydraulic fluid is supplied from the hydraulic fluid supply device to the accumulator in a molding cycle.
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
This machine tool is equipped with: a column arranged to stand vertically upright, and having a prescribed coefficient of linear expansion; a spindle head supported by the column, and supporting a horizontal spindle for attaching a tool; and a reference bar set apart from the column, and having a coefficient of linear expansion different from the coefficient of linear expansion of the column. The column has a column-side region to be measured, and the reference bar has a reference bar-side region to be measured. A measuring means for measuring the distance between the column-side region to be measured and the reference bar-side region to be measured is provided.
B23Q 17/00 - Arrangements for indicating or measuring on machine tools
B23Q 15/18 - Compensation of tool-deflection due to temperature or force
G05B 19/404 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
75.
MOLD CLAMPING DEVICE, MOLDING DEVICE, AND MOLDING METHOD
A mold clamping device according to the present invention is provided with: a fixed plate 20 to which one mold 21 is attached; a movable plate 22 which is arranged so as to face the fixed plate 20 and to which the other mold 23 is attached; a pressure receiving plate 24 coupled to the fixed plate 20 via a tie bar 36; a mold opening/closing mechanism 28 having a toggle link mechanism 28 causing the movable plate 22 to move back and forth to open/close and clamp a mold 19; a driving device having a servo motor 40 driving the mold opening/closing mechanism 28; and a controlling device 50 controlling the servo motor 40. The controlling device 50 has an acceleration/deceleration adjustment unit enabling the adjustment of an acceleration time, a deceleration time, and a target speed of the servo motor 40 during mold clamping operation.
A moving plate according to the present invention is provided with: a mold clamping plate 42 having a protrusion part 62 at a surface thereof in a mold closing direction; a mold attachment plate 44 attached to the protrusion part 62 of the mold clamping plate 42; and guiding mechanisms 50 fixed to the mold clamping plate 42 and supporting the mold attachment plate 44. Only the mold clamping plate 42 is fixed to the guiding mechanisms 50, and the mold attachment plate 44 is not fixed to but placed on plate surface supporting parts 52.
A foreign-substance discharge mechanism includes: a lubricating-liquid groove provided on a sliding surface of a wedge member and configured to receive a lubricating liquid; and a foreign-substance collector provided to the lubricating-liquid groove and configured to collect foreign substances existing in the lubricating-liquid groove. A first end and a second end of the lubricating-liquid groove are spaced apart from each other in a relative movement direction of the wedge member and the table bed. Disadvantages caused by the presence of the foreign substances between the sliding surfaces can be easily avoided by reliably collecting the foreign substances existing between the sliding surfaces using the lubricating-liquid groove and the foreign-substance collector.
B23Q 11/12 - Arrangements for cooling or lubricating parts of the machine
B23Q 1/26 - Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable membersMeans for preventing relative movement of such members
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
B23Q 1/42 - Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable membersMeans for preventing relative movement of such members using T-, V-, dovetail-section or like guides
B23Q 11/08 - Protective coverings for parts of machine toolsSplash guards
78.
DEEP ULTRAVIOLET LED AND METHOD FOR MANUFACTURING SAME
Provided is a deep ultraviolet LED having a design wavelength of λ, characterized by having, in order starting at the opposite side from the substrate, an Al reflecting electrode layer, an ultrathin film metal layer, and a transparent p-type AlGaN contact layer, and having a photonic crystal periodic structure within a range in the thickness direction of the transparent p-type AlGaN contact layer, the photonic crystal periodic structure having a photonic bandgap.
H01L 33/10 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
H01L 33/22 - Roughened surfaces, e.g. at the interface between epitaxial layers
H01L 33/32 - Materials of the light emitting region containing only elements of group III and group V of the periodic system containing nitrogen
79.
Twin-screw extruder including variable diameter of screws and barrel and kneading method using the twin-screw extruder including variable diameter of screws and barrel
One embodiment provides a twin-screw extruder which is used to knead materials and has excellent productivity. The twin-screw extruder includes screws. The screws include double thread screws in which first screw portions engage with each other. Ratio D1/C of external diameter D1 of the first screw portion to a shaft distance C ranges from 1.25 to 1.40. The screws further include triple thread screws in which third screw portions engage with each other. Ratio D3/C of external diameter D3 of the third screw portion to the shaft distance C ranges from 1.05 to 1.10. External diameter D2 of a second screw portion decreases gradually from the first screw portion toward the third screw portion.
B29B 7/48 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
B29C 48/52 - Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
B29C 48/53 - Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
B29C 48/645 - Screws with two or more threads neighbouring threads and channels having identical configurations
A control device of an injection apparatus outputs a control command to a hydraulic pressure device to perform injection by supplying hydraulic fluid to the back of an injection piston 15 from an accumulator 25 and, at this time, to execute speed control for controlling the speed of the plunger by an opening degree of an injection control valve. Further, the control device outputs a control command to the hydraulic pressure device to perform boosting by opening a booster valve to supply hydraulic fluid to the back of the booster piston and pressurizing the hydraulic fluid behind the injection piston by the booster piston and, at this time, to execute pressure control for controlling the pressure of the molding material by an opening degree of the injection control valve. Further, the control device can start outputting a control command for pressure control after start of outputting a control command for opening the booster valve in transition from injection to boosting.
B29C 45/53 - Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
B29C 45/77 - Measuring, controlling or regulating of velocity or pressure of moulding material
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
The clamping device has a fixed platen, a moving platen which is movable in an mold opening and closing direction relative to the fixed platen, a tie bar which bridges the fixed platen and the moving platen, a pullout drive device which gives to the tie bar a driving force making the tie bar move to the back side of the fixed platen, and a support mechanism which is provided separately from the pullout drive device and support the load of the tie bar when moving the tie bar.
A mold clamping device (14) according to the present invention is provided with a pressure receiving platen (24), a fixed platen (20), a movable platen (22), a toggle mechanism (28) and a drive device (37). A first position detector (38a) detects the operation load of the movable platen (22) on the basis of the position of a crosshead (26), a pressure detector (35) detects the actual clamping force of a mold (19) and a second position detector (43) detects the actual position of the movable platen (22). A control unit (50) comprises a first correction means that corrects, on the basis of the actual clamping force and a set clamping force, the operation load of the movable platen (22) when performing minute mold opening operations and a second correction means that corrects the operation load of the movable platen (22) when performing minute mold opening operations on the basis of the position and the operation load of the movable platen (22).
A semiconductor light-emitting element with a reflective film disposed on a front surface (side) of a GaN substrate and with a photonic crystal periodic structure disposed on a rear surface (side) of the GaN substrate, the photonic crystal periodic structure being such that the design wavelength λV in vacuum, a period a as a periodic structure parameter, and a radius R satisfy the Bragg condition, wherein, in a range of R/a of 0.18 to 0.40, a TM light photonic band structure has two photonic bandgaps within the fourth photonic band.
The clamping device has tie bars which are connected to a fixed platen and have engaged parts at a movable platen side, clamping cylinders which are provided on movable platens, half nut devices which are connected to pistons of the clamping cylinders and can mesh with the engaged parts, and stopper devices which restrict the movement of the half nut devices. Each stopper device has at least a driving unit and a stopper part which is driven in a mold opening and closing direction relative to the movable platen by driving of the driving unit and can engage with the half nut device from the fixed platen side. No winding transmission mechanism is interposed between the driving unit and the stopper part.
An opening and closing device (14) is provided with the following: a fixed platen (20); a movable platen (22) that can approach or move away from the fixed platen (20); an opening and closing mechanism (28) that has a plurality of toggle links (30, 31, 32), at least one of the toggle links (32) being connected to the movable platen (22); a driving device (37) that includes a cross head (26) which is connected to at least one of the toggle links (30), and that can move the movable platen (22); and a control part (50). The control part (50) controls the cross head (26) so that the moving speed of the movable platen (22) becomes constant when a fine opening operation is carried out.
An electric machine according to the embodiment includes: a motor; a current controller supplying a current to the motor; a detector detecting a position, a speed, or an acceleration of a shaft of the motor; a controller calculating a torque parameter indicating a torque of the motor based on a current instruction that specifies a supply current to the motor and calculating a speed parameter indicating a rotational speed of the shaft of the motor based on a detection result from the detector; and a display part displaying a graph showing a relation between the torque parameter and the speed parameter.
A deep ultraviolet LED with a design wavelength of λ is provided that includes a reflecting electrode layer, a metal layer, a p-type GaN contact layer, and a p-type AlGaN layer that are sequentially stacked from a side opposite to a substrate, the p-type AlGaN layer being transparent to light with the wavelength of λ; and a photonic crystal periodic structure that penetrates at least the p-type GaN contact layer and the p-type AlGaN layer. The photonic crystal periodic structure has a photonic band gap.
H01L 33/10 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
H01L 33/06 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
H01L 33/32 - Materials of the light emitting region containing only elements of group III and group V of the periodic system containing nitrogen
An extruder screw (21) is provided with a screw body (37), a conveyance part (52) provided to the external peripheral face of the screw body (37) and having a flight for conveying a raw material in the axial direction of the screw body (37), and a passage (62) provided in the screw body (37). The passage (62) includes a first passage element (63) into which the raw material flows, a second passage element (64) in which the raw material flowing in from the first passage element (63) flows, and a third passage element (65) in which the raw material flowing through the second passage element (64) returns to the external peripheral face of the screw body (37). The screw body (37) has a rotary shaft (38), and a plurality of cylindrical bodies (39) inserted on the external peripheral face of the rotary shaft (38) and arranged in the axial direction of the rotary shaft (38). At least a portion of the conveyance part (52) is formed on the external peripheral face of the cylindrical body (39) adjacent thereto, and the passage (62) is formed inside the cylindrical bodies (39) so as to span through adjacent cylindrical bodies (39).
B29B 7/42 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
Provided are a kneading device and an extruder provided with a barrel which can easily be changed to a barrel structure corresponding to the arrangement of screw elements when screw elements for kneading a starting material are regularly arranged along the axial direction of a screw. The present invention is provided with an extruder screw 21 provided with screw elements for kneading a starting material, and a barrel 20 having a cylinder part 33 in which the screw is rotatably inserted. A plurality of the screw elements are provided along the longitudinal direction of a screw so as to have a fixed regularity. In the barrel, a plurality of blocked barrel blocks 31a, 31b, 31c are combined with each other and integrated. Each of the plurality of barrel blocks is configured so as to correspond to the length of a screw element along the longitudinal direction of the screw. The screw elements include a portion for imparting a shearing effect and a portion for imparting an elongating effect on the starting material.
The present invention is not only able to eliminate the effect of the microscopic gap formed between a bush and a pin in a linking section of a toggle link mechanism but also improves workability in metal mold exchange, etc. An opening/closing device according to an embodiment is provided with: a stationary platen 20 to which one metal mold 21 is affixed; a movable platen 22 to which the other metal mold 23 is affixed; a pressure-receiving platen 24 that is connected to the stationary platen 20 via tie bars 36; an opening/closing mechanism, which comprises a toggle link mechanism 28 connecting the pressure-receiving platen 24 with the movable platen 22 and which moves the movable platen 22 back and forth to open and close the metal molds; a first driving device for driving the opening/closing mechanism; and a second driving device 50 for applying a load on the movable platen 22 in a specific direction while being linked with the first driving device.
A guide mechanism for a machine tool includes a movement member and a guide member in a form of first and second rails the movement member and the guide member relatively movable to each other. A hydrostatic pressure guide mechanism and a sliding guide mechanism are formed between the movement member and the first and second rails. The hydrostatic pressure guide mechanism includes a static pressure chamber, a seal portion sealing a periphery of the static pressure chamber, and a supply passage configured to supply a lubricating oil into the static pressure chamber.
B23Q 1/38 - Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable membersMeans for preventing relative movement of such members using fluid bearings or fluid cushion supports
B23Q 1/56 - Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only
B23Q 1/70 - Stationary or movable members for carrying working-spindles for attachment of tools or work
A hydrostatic pressure guide mechanism includes: a guide member having a smooth guide surface; a movement member having a slide surface facing the guide surface and an annular placement groove formed on the slide surface; an annular seal member (hermetically closing member) that is disposed in the placement groove and capable of hermetically contacting with the guide surface; an oil supply structure configured to supply an oil into a static pressure pocket on the slide surface surrounded by the seal member; and an oil recovery structure configured to recover the oil from the static pressure pocket, in which the oil recovery structure has a recovery hole that is formed in the static pressure pocket and is opened on the slide surface.
B23Q 1/38 - Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable membersMeans for preventing relative movement of such members using fluid bearings or fluid cushion supports
93.
METHOD FOR MANUFACTURING MOLDED ARTICLE, MOLDED ARTICLE, AND DEVICE FOR MANUFACTURING MOLDED ARTICLE
An insert member (100) heated by a heating device (13) is conveyed into a die (51) by a conveyance device (12). The insert material (100) is then shaped in the die (51) in a state in which the die (51) is a minute distance open. A molding material (91) is injected into the die (51) and pressed while the die (51) a minute distance open is closed, and a molded article (80) including the insert member (100) is thereby molded.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29C 33/02 - Moulds or coresDetails thereof or accessories therefor with incorporated heating or cooling means
B29C 33/12 - Moulds or coresDetails thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
B29C 45/70 - Means for plasticising or homogenising the moulding material or forcing it into the mould, combined with mould opening, closing or clamping devices
94.
LIGHT DIFFUSION LENS MANUFACTURING DEVICE AND MANUFACTURING METHOD
An objective of the present invention is to provide a light diffusion lens manufacturing device that enables the efficient production of high quality light diffusion lenses having improved optical characteristics. The light diffusion lens manufacturing device is provided with: a pair of molds 15 which comprises a fixed mold 16 and a mobile mold 18, and in which is formed a cavity 22 that is for the final molded product and that delimits the shape of a light diffusion lens 14; a mold clamping device 62 to which the pair of molds 15 are mounted; a conveyance device 66 that has a chucking means capable of advancing and retreating between the pair of molds 15 when the pair of molds 15 is in an open state, and that inserts the semi-molded product 12 of the light diffusion lens 14 into the cavity 22 for the final molded product; a heating device 68 that has a heating means capable of advancing and retreating between the pair of molds 15 when the pair of molds 15 is in an open state, and that heats the surface of the inserted semi-molded product facing the fixed mold 16 until the surface is in a melted state; and an injection device that, after the pair of molds has been clamped, injects a molding material into the cavity 22 for the final molded product so that the molding material covers the melted surface of the semi-molded product 12.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29C 33/12 - Moulds or coresDetails thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
The present invention provides a plasticization unit, an injection device, a molding apparatus and a molding manufacturing method with which moldings with uniform properties such as strength and rigidity can be manufactured. The plasticization unit (30) is provided with: a cylindrical barrel (40) equipped with a resin material-supplying port (41) formed in the circumferential wall (40d) and a fiber-supplying port (42) formed in the circumferential wall (40d) on the leading end-side of the resin material-supplying port (41); and a screw (50) equipped with a shaft (51) and a helical scraper (52) integrally formed on the circumferential surface of the shaft (51) and housed inside the barrel (40). The barrel (40) is disposed in an orientation such that the axis line (A1) thereof is orthogonal to the direction of gravity. The maximum length of the second opening (44) of the fiber-supplying port (42) inside the barrel (40) along the axial direction of the barrel (40) is one to two times the pitch of the scraper (52) that is provided in the portion of the screw (50) facing the second opening (44) in a direction orthogonal to the axis line (A1).
B29B 7/60 - Component parts, details or accessoriesAuxiliary operations for feeding, e.g. end guides for the incoming material
B29C 45/18 - Feeding the material into the injection moulding apparatus
B29C 45/54 - Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
The present invention both ensures running life of a linear guide and ensures necessary and sufficient rigidity in consideration of a moment acting on a moving platen, through use of a minimum required linear guide. The movable-platen support device 40 according to the present invention is provided with a guide mechanism 40 for movably engaging with a rail 41 extending on a frame 11 along the direction of movement of a movable platen 16 to which a moving mold 19 is attached, and movably supports a movable platen 16 through use of a guide mechanism 40, the guide mechanism 40 having a linear guide 42 in which a plurality of blocks 42a-42a are arranged in series, and at least one block 42b, 42c among the plurality of blocks 42a-42d constituting the linear guide 42 having a rated load different from that of the other blocks 42a, 42d.
A high-strength, high-damping-capacity cast iron having both a high strength and high vibration damping capacity is provided.
The high-strength, high-damping-capacity cast iron is obtained by a method including performing a graphite spheroidizing treatment on a molten metal, and consists of 2% to 4% of C, 1% to 5% of Si, 0.2% to 0.9% of Mn, 0.1% or less of P, 0.1% or less of S, 3% to 7% of Al, 0% to 1% of Sb, 0% to 0.5% of Sn, 0.02% to 0.10% of Mg, 01% to 0.5% of RE (Ce, La), Fe as balance, and unavoidable impurity.
The present invention is provided with a lubricant groove (7) which is provided to a sliding surface of a wedge member (6) and in which a lubricant is accommodated, and foreign matter capture sections (8) that are provided to the lubricant groove (7) and capture foreign matter that has entered the lubricant groove (7). One end (7A) and the other end (7B) of the lubricant groove (7) are arranged so as to be separated in a direction in which the wedge member (6) and a table bed move relative to one another. The use of the lubricant groove (7) and the foreign matter capture sections (8) to reliably capture any foreign matter that enters the sliding surface makes it possible to easily avoid the adverse event where foreign matter lies in the sliding surface.
B23Q 11/12 - Arrangements for cooling or lubricating parts of the machine
B23Q 1/26 - Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable membersMeans for preventing relative movement of such members
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
A die casting machine has a clamping device and an injection device. The clamping device has a fixed die plate which holds a fixed die, a movable die plate which holds a moving die, an electrically operated die opening and closing-use driving device which moves the movable die plate in a die opening and closing direction, and a clamping cylinder which generates a clamping force. The injection device has a sleeve, a plunger which capable of sliding in the sleeve, an electrically operated injection-use driving device which drives the plunger at least at the time of low speed injection, and an injection cylinder which drives the plunger at least at the time of high speed injection.
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
a) of the turn table (3). The alignment system further includes a control unit (7) configured to calculate setting positions for the alignment weights (13), and to set the alignment weights (13) at the calculated setting positions using the movement mechanism (15), in order to correct the imbalance.
B23B 25/06 - Measuring, gauging, or adjusting equipment on turning-machines for setting-on, feeding, controlling, or monitoring the cutting tools or work
G01M 1/32 - Compensating imbalance by adding material to the body to be tested, e.g. by correcting-weights
G05B 19/402 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for positioning, e.g. centring a tool relative to a hole in the workpiece, additional detection means to correct position
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
