Abstract

A forming device and a forming method for a part with a regular cross-section are provided, and relates to the technical field of metal member forming and manufacturing. A part to be formed is heated by a part heating temperature control assembly to obtain required microstructure evolution, so that the forming performance is improved. A temperature control die assembly can be heated by setting die heating assemblies, so that hot stamping, die quenching and stress relaxation can be carried out. The internal stress state of the part is controlled by an axial force control assembly.

IPC Classes  ?

• B21D 37/16 - Heating or cooling
• B21D 22/02 - Stamping using rigid devices or tools

Abstract

The present invention relates to the technical field of laser processing of sports apparatuses, and in particular, to a laser shock peening method for an ice skate blade edge. The method comprises the following steps: providing an ice skate blade base; covering an edge of the ice skate blade base with an absorption layer, wherein the area of each chamfer of the edge covered with the absorption layer is an R angle with circular arc transition; performing a laser shock peening treatment on the edge covered with the absorption layer, wherein a laser for laser shock peening is directly incident in a normal direction; by means of optical imaging enhancement and by means of entering the area of the R angle in the normal direction, performing a further laser shock peening treatment on the area of each chamfer of the edge covered with the absorption layer; and after the laser shock peeing treatment, removing the covering absorption layer. The present invention aims to solve the problem of deformation and lamellar cracking being prone to occurring during a laser shock peening process for an ice skate blade.

IPC Classes  ?

• C21D 7/00 - Modifying the physical properties of iron or steel by deformation
• C21D 10/00 - Modifying the physical properties by methods other than heat treatment or deformation
• C21D 9/18 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for knives, scythes, scissors, or like hand cutting tools
• A63C 1/30 - Skates with special blades

Abstract

The present invention relates to the technical field of surface strengthening techniques for sports apparatuses, and in particular to a multi-field composite strengthening method for the edge of an ice skate blade. The method comprises the following steps: adjusting a laser head to enable a laser beam to cover the top surface and the chamfer of the edge of an ice skate blade; adjusting an ultrasonic rolling device to enable rolling heads to be located on two sides of the edge of an ice skate blade; determining desired laser energy and a desired rolling pressure according to material attributes of the edge of the ice skate blade; and performing double-sided opposite-roller ultrasonic rolling strengthening on the side surfaces of the edge of the ice skate blade while performing laser shock peening. Laser shock peening is performed together with double-sided opposite-roller ultrasonic rolling on the top surface of the blade edge, thereby avoiding deformation and cracking; in addition, a plurality of energy fields are composited, so that the dynamic yield strength of the material is reduced, thereby making it easier for the material to produce plastic deformation and achieve a strengthened effect, achieving deeper residual compressive stress, and particularly improving the strengthening effect on a chamfered part.

IPC Classes  ?

• C21D 7/00 - Modifying the physical properties of iron or steel by deformation
• C21D 10/00 - Modifying the physical properties by methods other than heat treatment or deformation
• C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
• A63C 1/30 - Skates with special blades
• C21D 9/18 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for knives, scythes, scissors, or like hand cutting tools

Abstract

A solid composite additive manufacturing method for high-performance structural component includes: the rod-shaped raw material of solid composite additive is heated to a solid solution temperature, wherein the rod-shaped raw material is prepared by casting method; the rod-shaped raw material of the solid composite additive after solid solution is loaded into the extrusion die and extruded into a set shape; The raw materials of the extruded solid composite additive are laid on the base plate layer by layer according to the track by rolling or other pressure connection methods to form the prefabricated billet of the solid composite additive. The prefabricated billet is processed by numerical control to obtain metal part. The solid composite additive manufacturing method refines the grain, breaks the oxide film, and improves the mechanical properties of the structural component.

IPC Classes  ?

• B22D 23/00 - Casting processes not provided for in groups
• B33Y 10/00 - Processes of additive manufacturing
• B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
• B21B 3/00 - Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences

Abstract

The application relates to a robot machining system and control method for ultrasonic surface rolling process of an aircraft engine blade. The robot machining system includes: a robot, to which an ultrasonic surface rolling process device is fixed, the robot drives the ultrasonic surface rolling process device to move; a base provided with a spindle turntable and a three-dimensional mobile lifting device, the spindle turntable being provided with a rotatable blade clamp, and a flexible follow-up support head being fixed to the three-dimensional mobile lifting device; and a control system, which is in electrical connection or communication connection with the robot, the spindle turntable and the three-dimensional mobile lifting device, respectively. According to the application, the robot assists in clamping ultrasonic rolling device and cooperates with the three-dimensional mobile lifting device and the flexible follow-up support head, such that the accurate ultrasonic surface rolling process of blade is realized.

IPC Classes  ?

• C21D 7/04 - Modifying the physical properties of iron or steel by deformation by cold working of the surface
• C22F 3/00 - Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons

Abstract

Disclosed is a jet nozzle for strengthening a surface of a limited part of an aviation component. The jet nozzle comprises: a jet-intaking structure (1), having a jet-intaking port (111), a jet-intaking cavity (121) and a primary throat pipe (131), which are in sequential communication in an axial direction; a jet-outputting structure (3), having a secondary throat pipe (31) and a jet-outputting port (32), which are in sequential communication in the axial direction; and a sleeve (2), which is located between the jet-intaking structure (1) and the jet-outputting structure (3) and has a self-excited oscillation cavity (21), the self-excited oscillation cavity (21) being respectively in communication with the primary throat pipe (131) and the secondary throat pipe (31). In the jet nozzle for strengthening a surface of a limited part of an aviation component, the jet-intaking cavity (121), the primary throat pipe (131), the self-excited oscillation cavity (21) and bipolar oscillation and bipolar contraction cavities of the secondary throat pipe (31) are provided, such that a water jet cavitation effect can be effectively improved, thereby improving residual compressive stress of a surface layer, and prolonging the fatigue life.

IPC Classes  ?

• B05B 1/34 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl

Abstract

A jet strengthening and polishing integrated apparatus and process for performing surface strengthening on a workpiece to be machined. The jet strengthening and polishing integrated apparatus comprises: a storage (1) for storing water and magnetic fluid therein; a primary inlet (2) in communication with the storage (1); a jet cavity (3) having a jet chamber (31), the jet chamber (31) being in communication with the primary inlet (2); at least one nozzle (100) fixed on the jet cavity (3) and having an entrance port (5) and an exit port (10) in communication with each other, the entrance port (5) being in communication with the jet cavity (3), and the exit port (10) being aligned with a workpiece (11) to be machined; and a polishing apparatus, comprising a permanent magnet trolley (12) and a cover plate (13), the permanent magnet trolley (12) being located below said workpiece (11), and the cover plate (13) being separably placed on the upper surface of said workpiece (11). According to the jet strengthening and polishing integrated apparatus and process, polishing can be performed after the jet strengthening of the workpiece to be machined is completed, allowing for simple operation, and facilitating the adjustment and maintenance.

IPC Classes  ?

• B24B 1/00 - Processes of grinding or polishingUse of auxiliary equipment in connection with such processes
• B24B 57/02 - Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
• C21D 7/06 - Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like

Abstract

A method for manufacturing a solid-state composite additive for a high-performance structural component. The method comprises: heating a rod-shaped raw material (2) of a solid-state composite additive to a solution temperature, wherein the rod-shaped raw material (2) is prepared using a casting method; loading the solution temperature rod-shaped raw material (2) of the solid-state composite additive into an extrusion die (3) and extruding the material into a set shape; laying the extruded raw material (4) of the solid-state composite additive, by using a pressure connecting method such as rolling, onto a substrate (7) layer by layer according to a trajectory to form a preform (6) of the solid-state composite additive; and numerically processing the preform (6) to obtain a metal component. The purpose of the solid-state composite additive manufacturing method for a high-performance structural component is to refine grains, break an oxide film, and solve the technical problem in solid-state additive manufacturing of high-density inclusions being easily introduced into the structural component, and therefore decreasing the mechanical properties of the structural component.

IPC Classes  ?

• B22F 10/10 - Formation of a green body
• C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
• C21D 9/00 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor
• C22F 1/02 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
• B21B 3/00 - Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences
• B21C 23/00 - Extruding metalImpact extrusion
• B33Y 10/00 - Processes of additive manufacturing

Abstract

The present invention relates to an aircraft engine blade ultrasonic rolling reinforcement robot processing system and a control method. The ultrasonic rolling reinforcement robot processing system comprises a robot, wherein an ultrasonic rolling reinforcement apparatus is fixed on the robot, and the robot drives the ultrasonic rolling reinforcement apparatus to move; a base, wherein the base is provided with a main shaft rotary table and a three-dimensional moving lifting apparatus, the main shaft rotary table is provided with a rotatable blade clamp, and a flexible follow-up supporting head is fixed on the three-dimensional moving lifting apparatus; and a control system, wherein the control system is separately in electrical connection or communication connection with the robot, the main shaft rotary table and the three-dimensional moving lifting apparatus. According to the aircraft engine blade ultrasonic rolling reinforcement robot processing system and the control method, the robot is used to assist with clamping the ultrasonic rolling apparatus and is combined with the three-dimensional moving lifting apparatus and the flexible follow-up supporting head, and the three are cooperatively controlled, such that the accurate ultrasonic rolling reinforcement of an aircraft engine blade is realized.

IPC Classes  ?

• C21D 7/06 - Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
• B21D 22/14 - Spinning