Abrégé

Disclosed is a learning method for performing virtual-actual correction by machine learning-assisted simulation of a pressure numerical value, the method including: in a pre-step: obtaining actual production data of executing a process parameter by a production device; in a first extraction step: analyzing the actual production data using an autoencoder to obtain a plurality of first features; in a simulation step: executing simulated production data of the process parameter using a production prediction model; in a second extraction step: analyzing the simulated production data using the autoencoder to obtain a plurality of second features; and in a training step: training the plurality of first features and the plurality of second features using a multilayer perceptron (MLP) to obtain a correction model, wherein the correction model can be provided for the MLP to correct the simulated production data into the corresponding actual production data.

Classes IPC  ?

• G06N 3/08 - Méthodes d'apprentissage
• G06F 30/27 - Optimisation, vérification ou simulation de l’objet conçu utilisant l’apprentissage automatique, p. ex. l’intelligence artificielle, les réseaux neuronaux, les machines à support de vecteur [MSV] ou l’apprentissage d’un modèle

Abrégé

The present disclosure provides a molding system for fabricating a FRP composite article. The molding system includes a detector, a resin dispenser, a processing module, and a molding machine. The detector is configured to capture a graph of a woven fiber from a top view. The resin dispenser is configured to provide a resin to the woven fiber to form a FRP. The processing module is configured to receive the graph and a plurality of parameters of the FRP. The processing module includes a CNN model, and is configured to use the CNN model to obtain a plurality of predicted mechanical properties of the FRP according to the graph and the plurality of parameters of the FRP. The molding machine is configured to mold the FRP to fabricate the FRP composite article according to the plurality of predicted mechanical properties.

Classes IPC  ?

• G05B 13/02 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques
• B29C 70/22 - Façonnage de matières composites, c.-à-d. de matières plastiques comprenant des renforcements, des matières de remplissage ou des parties préformées, p. ex. des inserts comprenant uniquement des renforcements, p. ex. matières plastiques auto-renforçantes des renforcements fibreux uniquement caractérisées par la structure des renforcements fibreux utilisant des fibres de grande longueur, ou des fibres continues orientées dans au moins deux directions formant une structure bidimensionnelle
• B29C 70/54 - Parties constitutives, détails ou accessoiresOpérations auxiliaires
• B29K 105/08 - Présentation, forme ou état de la matière moulée contenant des agents de renforcement, charges ou inserts de grande longueur, p. ex. ficelles, mèches, mats, tissus ou fils
• B29K 307/04 - Carbone
• B29K 309/08 - Verre

Abrégé

The present disclosure provides a method of mesh generation for an RTM process, including operations of: obtaining a geometry of a target object; generating a solid mesh of the target object according to the geometry; obtaining material characteristics of the target object; assembling a runner mesh with the solid mesh, wherein the runner mesh has grid dimensions different from those of the solid mesh; determining process parameters of the RTM process; and generating a forecasted result of the RTM process according to the solid mesh, the runner mesh, the process parameters, and the material characteristics. Generating the solid mesh includes operations of: dividing the geometry into modules; generating a first and second modular meshes corresponding to a first and second modules, wherein the second modular mesh abuts the first modular mesh, and the second modular mesh has grid dimensions different from those of the first modular mesh.

Classes IPC  ?

• B29C 70/54 - Parties constitutives, détails ou accessoiresOpérations auxiliaires
• B29C 70/00 - Façonnage de matières composites, c.-à-d. de matières plastiques comprenant des renforcements, des matières de remplissage ou des parties préformées, p. ex. des inserts
• B29C 70/48 - Façonnage ou imprégnation par compression pour la fabrication d'objets de longueur définie, c.-à-d. d'objets distincts utilisant des moules opposables, p. ex. pour déformer des préimprégnés [SMC] ou des "prepregs" avec une imprégnation des renforcements dans le moule fermé, p. ex. moulage par transfert de résine [RTM]
• G06F 30/20 - Optimisation, vérification ou simulation de l’objet conçu
• G06F 9/455 - ÉmulationInterprétationSimulation de logiciel, p. ex. virtualisation ou émulation des moteurs d’exécution d’applications ou de systèmes d’exploitation
• G06F 30/33 - Vérification de la conception, p. ex. simulation fonctionnelle ou vérification du modèle

Abrégé

The present disclosure provides a method of measuring a plurality of voids in an underfill material of an underfill package. The method includes operations of obtaining a welding angle profile of the underfill package; obtaining a simulated void profile of the underfill package according to the welding angle profile; determining a plurality of high-risk void regions according to the simulated void profile; simulating, according to a selected pressure and a selected temperature of the underfill material, a first high-risk void region of the plurality of high-risk void regions to generate an updated void profile; and determining whether the updated void profile meets a void requirement of the underfill package.

Classes IPC  ?

• H01L 21/66 - Test ou mesure durant la fabrication ou le traitement
• H01L 21/56 - Encapsulations, p. ex. couches d’encapsulation, revêtements
• G06F 30/39 - Conception de circuits au niveau physique
• G06F 113/18 - Positionnement de puces

Abrégé

The present disclosure provides an injection molding method and system. The injection molding method includes the operations of: sensing physical parameters associated with an injection molding product; analyzing physical parameters to generate an optimized digital twin model of a physical asset; and producing the injection molding product according to the optimized digital twin model. Analyzing the physical parameters to generate the optimized digital twin model of the physical asset includes operations of: simulating, by a digital twin model, the physical parameters to generate simulated parameters according to first input parameters; validating whether the digital twin model is an optimized digital twin model according to the simulated parameters and the physical parameters; and optimizing the digital twin model to generate the optimized digital twin model when the physical parameters differ from the simulated parameters.

Classes IPC  ?

• G06F 30/20 - Optimisation, vérification ou simulation de l’objet conçu
• B29C 45/76 - Mesure, commande ou régulation

Abrégé

The present disclosure provides an injection-molding system for preparing an injection-molded article using a computer-aided engineering (CAE) simulation. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a molding resin; a processing module configured to generate a stress distribution of the molding resin in the mold cavity based on a molding condition for the molding machine, wherein the stress distribution of the molding resin is generated by taking into consideration an elastic effect of the molding resin; and a controller coupled to the processing module and configured to control the molding machine with the molding condition using the generated stress distribution of the molding resin to perform an actual molding process for preparing the injection-molded article.

Classes IPC  ?

• B29C 45/76 - Mesure, commande ou régulation
• B29C 45/03 - Appareils de moulage par injection

Abrégé

The present disclosure provides a method of measuring an extensional viscosity of a polymer melt and a capillary injection system. The method includes the operations of: based on a weighted GNF viscosity model, obtaining a viscosity profile of the polymer melt according to a transport equation, a Navier Stokes equation, and a Trouton function; measuring a pressure drop of the polymer melt; obtaining a general viscosity of the polymer melt from the viscosity profile according to the pressure drop, wherein the general viscosity comprises a shear viscosity of the polymer melt and the extensional viscosity of the polymer melt; and extracting the extensional viscosity from the general viscosity.

Classes IPC  ?

• G01N 11/04 - Recherche des propriétés d'écoulement des matériaux, p. ex. la viscosité, la plasticitéAnalyse des matériaux en déterminant les propriétés d'écoulement en mesurant l'écoulement du matériau à travers un passage étroit, p. ex. un tube, une ouverture
• G01N 11/08 - Recherche des propriétés d'écoulement des matériaux, p. ex. la viscosité, la plasticitéAnalyse des matériaux en déterminant les propriétés d'écoulement en mesurant l'écoulement du matériau à travers un passage étroit, p. ex. un tube, une ouverture en mesurant la pression nécessaire à la production d'un écoulement connu
• G01N 11/00 - Recherche des propriétés d'écoulement des matériaux, p. ex. la viscosité, la plasticitéAnalyse des matériaux en déterminant les propriétés d'écoulement

Abrégé

A molding system includes a molding machine, a mold disposed on the molding machine, a processing module, and a controller operably communicating with the processing module. The molding machine includes a barrel, a screw moving within the barrel, a driving motor driving the screw to move a molding material. The mold has a mold cavity with a die swell structure for being filled with the molding material. The processing module simulating a filling process of the molding material based on a molding condition including a predetermined screw speed for the molding machine, wherein simulating the filling process of the molding material comprises simulating a die swell effect of the molding material in the die swell structure by taking into consideration of an effective factor, a shear viscosity, an extension viscosity, a shear rate, and a molecular orientation effect of the molding material.

Classes IPC  ?

• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler

Abrégé

The present disclosure provides a method for measuring an underfill profile of an underfill material in an underfill cavity having a plurality of solder bumps. The method includes the operations of: determining a mesh having a plurality of elements according to the underfill cavity; calculating a reference force according to the underfill cavity; obtaining a driving force and a flow speed of the underfill material according to a plurality of weighting factors and the reference force, wherein the plurality of weighting factors respectively correspond to the plurality of elements; obtaining a plurality of volume fractions respectively corresponding to the plurality of elements according to the flow speed; and obtaining the underfill profile according to the plurality of volume fractions.

Classes IPC  ?

• H01L 21/56 - Encapsulations, p. ex. couches d’encapsulation, revêtements
• H01L 23/00 - Détails de dispositifs à semi-conducteurs ou d'autres dispositifs à l'état solide
• H01L 21/66 - Test ou mesure durant la fabrication ou le traitement

Abrégé

The present disclosure provides a method of measuring a true shear viscosity profile of a molding material in a capillary and a molding system performing the same. The method includes the operations of: determining a setpoint temperature of the molding material before injecting into the capillary; obtaining an initial shear viscosity profile at the setpoint temperature with respect to a shear rate of the molding material; fitting an initial temperature profile with respect to the shear rate according to the initial shear viscosity based on Cross William-Landel-Ferry model; fitting a first shear viscosity profile and a first temperature profile with respect to the shear rate according to the initial temperature profile based on the Cross-WLF model; and setting the first shear viscosity profile as the true shear viscosity profile when a difference between the first temperature profile and the initial temperature profile is not greater than a threshold.

Classes IPC  ?

• B29C 45/76 - Mesure, commande ou régulation
• B29C 45/78 - Mesure, commande ou régulation de la température
• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler
• G05B 19/18 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique
• B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet

Abrégé

The present disclosure provides a method of producing a molded product. The method comprises steps of performing, via computer-assisted engineering simulation software, a first simulation process to generate a plurality of molding conditions comprising a default injection velocity profile and a default packing pressure profile; conducting, via an injection-molding apparatus, a trial molding to inject a molding material into a mold using the default molding conditions and sensing a plurality of in-mold pressures at different sites in a mold cavity of the mold; and conducting, via an injection-molding apparatus, an actual molding to produce the molded product using the default molding conditions if a deviation of the in-mold pressures at an endpoint of a packing stage is less than a target value.

Classes IPC  ?

• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler
• G06F 30/20 - Optimisation, vérification ou simulation de l’objet conçu
• B29C 45/76 - Mesure, commande ou régulation
• G06F 11/00 - Détection d'erreursCorrection d'erreursContrôle de fonctionnement
• G06F 113/22 - Moulage

Abrégé

The present disclosure provides a molding system for preparing an injection-molded plastic article. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a molding resin including a plurality of polymer chains; a processing module configured to generate an anisotropic viscosity distribution of the molding resin in the mold cavity based on a molding condition for the molding machine; wherein the anisotropic viscosity distribution of the molding resin is generated based in part on consideration of an integral effect of a volume fraction and an aspect ratio of the plurality of fibers; and a controller coupled to the processing module and configured to control the molding machine with the molding condition using the generated anisotropic viscosity distribution of the molding resin to perform an actual molding process for preparing the injection-molded plastic article.

Classes IPC  ?

• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler
• B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
• B29C 45/76 - Mesure, commande ou régulation

Abrégé

A molding system includes a molding machine having a screw, a driving motor driving the screw to move a molding resin; a mold disposed on the molding machine and connected to the barrel of the molding machine to receive the molding resin, and having a mold cavity with a die swell structure for being filled with the molding resin; a processing module simulating a filling process of the molding resin from the barrel into the molding cavity based on a molding condition including a predetermined screw speed for the molding machine; and a controller operably communicating with the molding machine to control the driving motor of the molding machine based on the molding conditions to move the screw at the predetermined screw speed to transfer the molding resin at a corresponding flow rate to perform an actual molding process for preparing the injection-molded article.

Classes IPC  ?

• B29C 45/76 - Mesure, commande ou régulation
• B29C 45/50 - Vis axialement mobile
• B29C 45/60 - Vis
• B29C 45/62 - Fourreaux ou cylindres d'injection
• B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet

Abrégé

The present disclosure provides a clamping assembly in operative connection with a mold of an injection-molding apparatus. The clamping assembly includes a fixed plate, a rear plate, a plurality of tie bars, a movable plate, a driving module, and a temperature adjuster. The rear plate is spaced apart from the fixed plate. The tie bars are interlinked with the fixed plate and the rear plate and provided with a plurality of channels. The movable plate, between the fixed plate and the rear plate, is capable of moving with respect to the fixed plate along the tie bars. The driving module interlinks the rear plate and the movable plate. The temperature adjuster is employed to supply a fluid into the channels to remove heat from the tie bars, thereby preventing non-uniform thermal expansion of the tie bars, and hence preventing the structural wear and flash issues.

Classes IPC  ?

• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler
• B29C 45/66 - Dispositifs d'ouverture, de fermeture ou de serrage des moules mécaniques
• B29C 45/17 - Éléments constitutifs, détails ou accessoiresOpérations auxiliaires
• B29C 45/72 - Chauffage ou refroidissement
• B29C 45/78 - Mesure, commande ou régulation de la température

Abrégé

The present disclosure provides a molding system for preparing molding articles. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a molding resin; a processing module configured to generate a mechanical pressure distribution of the molding resin in the mold cavity based on a molding condition for the molding machine, wherein the mechanical pressure distribution of the molding resin is generated based in part on a bulk viscosity effect of the molding resin; and a controller operably communicating with the processing module and configured to operate the molding machine for transferring the fluid molding material into the mold cavity with the molding condition using the generated pressure distribution of the molding resin to perform an actual molding process for preparing the molding article.

Classes IPC  ?

• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler
• G06F 30/28 - Optimisation, vérification ou simulation de l’objet conçu utilisant la dynamique des fluides, p. ex. les équations de Navier-Stokes ou la dynamique des fluides numérique [DFN]
• B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet

Abrégé

The present disclosure provides a molding system for preparing injection-molded articles. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a molding resin; a processing module configured to generate an anisotropic viscosity distribution of the molding resin in the mold cavity based on a molding condition for the molding machine, wherein the anisotropic viscosity distribution of the molding resin is generated based in part on an elastic effect of the molding resin; and a controller operably communicating with the processing module and configured to control the molding machine with the molding condition using the generated anisotropic viscosity distribution of the molding resin to perform an actual molding process for preparing the injection-molded article.

Classes IPC  ?

• B29C 45/76 - Mesure, commande ou régulation
• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler

Abrégé

A system for setting injection-molding conditions and a method for setting actual molding conditions of an injection-molding machine are disclosed. The system includes a computer and an injection-molding equipment. The computer is configured to simulate, via computer-aided simulation software, a virtual molding using a plurality of design parameters to generate a plurality of provisional molding conditions. The injection-molding equipment is associated with the computer and configured to perform at least one trial molding using the provisional molding conditions to obtain a plurality of intermediate molding conditions. The computer optimizes the provisional molding conditions to obtain actual molding conditions in accordance with the intermediate molding conditions.

Classes IPC  ?

• B29C 45/76 - Mesure, commande ou régulation
• G06F 30/20 - Optimisation, vérification ou simulation de l’objet conçu
• G06F 30/10 - CAO géométrique
• G06F 119/18 - Analyse de fabricabilité ou optimisation de fabricabilité
• G06F 113/22 - Moulage

Abrégé

A system for setting injection-molding conditions and a method for setting actual molding conditions of an injection-molding machine are disclosed. The system includes a computer and an injection-molding equipment. The computer is configured to simulate, via computer-aided simulation software, a virtual molding using a plurality of design parameters to generate a plurality of provisional molding conditions. The injection-molding equipment is associated with the computer and configured to perform at least one trial molding using the provisional molding conditions to obtain a plurality of intermediate molding conditions. The computer optimizes the provisional molding conditions to obtain actual molding conditions in accordance with the intermediate molding conditions.

Classes IPC  ?

• B29C 45/76 - Mesure, commande ou régulation
• G06F 30/20 - Optimisation, vérification ou simulation de l’objet conçu
• G06F 30/10 - CAO géométrique
• G06F 119/18 - Analyse de fabricabilité ou optimisation de fabricabilité
• G06F 113/22 - Moulage

Abrégé

A computer-implemented simulation method for use in a molding process by a computer process is disclosed. The method includes steps of specifying a simulating domain comprising a mold cavity and a barrel of an injection machine, wherein the barrel is configured to connect to the mold cavity; creating at least one mesh by dividing at least part of the simulating domain; specifying boundary conditions of the mesh by taking into consideration at least one motion of a screw in the barrel; and simulating a first injection-molding process of a molding material by using the boundary conditions to generate a plurality of molding conditions.

Classes IPC  ?

• B29C 45/76 - Mesure, commande ou régulation
• B29C 45/80 - Mesure, commande ou régulation de la position relative des parties de moule
• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler
• B29C 45/78 - Mesure, commande ou régulation de la température
• G06F 30/23 - Optimisation, vérification ou simulation de l’objet conçu utilisant les méthodes des éléments finis [MEF] ou les méthodes à différences finies [MDF]
• G06F 113/22 - Moulage

Abrégé

The present disclosure provides a molding system for preparing an injection-molded article. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a molding resin; a processing module configured to generate an extension rate distribution and a shear rate distribution of the molding resin in the mold cavity based on a molding condition for the molding machine; and a controller coupled to the processing module. The processing module is configured to generate the extension rate distribution and the shear rate distribution of the molding resin based in part on consideration of a geometry variation of the mold cavity. The controller is configured to control the molding machine with the molding condition using the generated extension rate distribution and the generated shear rate distribution of the molding resin to perform an actual molding process for preparing the injection-molded article.

Classes IPC  ?

• G06F 30/28 - Optimisation, vérification ou simulation de l’objet conçu utilisant la dynamique des fluides, p. ex. les équations de Navier-Stokes ou la dynamique des fluides numérique [DFN]
• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler
• G06F 113/08 - Fluides
• G06F 113/22 - Moulage
• G06F 113/10 - Fabrication additive, p. ex. impression en 3D

Abrégé

The present disclosure provides a molding system for preparing injection-molded articles. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a molding resin; a processing module configured to generate a mixed anisotropic viscosity distribution of the molding resin in the mold cavity based on a molding condition for the molding machine; and a controller coupled to the processing module. The mixed anisotropic viscosity distribution of the molding resin is generated by taking into consideration an extension rate distribution and a shear rate distribution of the molding resin. The controller is configured to control the molding machine with the molding condition using the generated extension rate distribution and the generated shear rate distribution of the molding resin to perform an actual molding process for preparing the injection-molded article.

Classes IPC  ?

• B29C 49/00 - Moulage par soufflage, c.-à-d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désiréeAppareils à cet effet
• B29C 49/76 - Calibrage du col
• B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
• B29C 45/03 - Appareils de moulage par injection
• B29C 45/76 - Mesure, commande ou régulation
• B29K 23/00 - Utilisation de polyalcènes comme matière de moulage
• B29K 309/08 - Verre

Abrégé

The present disclosure provides a molding system for preparing an injection-molded fiberless plastic article. The molding system includes a molding machine; a mold disposed on the molding machine; a processing module configured to generate an anisotropic viscosity distribution of the fiberless molding resin in the mold cavity; and a controller coupled to the processing module. The mold has a mold cavity for being filled with a fiberless molding resin including a plurality of polymer chains. The processing module is configured to generate the anisotropic viscosity distribution based on a molding condition for the molding machine and based in part on consideration of an orientation effect of the plurality of polymer chains. The controller is configured to control the molding machine with the molding condition using the generated anisotropic viscosity distribution of the fiberless molding resin to perform an actual molding process for preparing the injection-molded fiberless plastic article.

Classes IPC  ?

• B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
• B29C 45/76 - Mesure, commande ou régulation
• B29C 45/03 - Appareils de moulage par injection
• B29K 69/00 - Utilisation de polycarbonates comme matière de moulage

Abrégé

The present disclosure provides a measurement method for a molding system comprising an upper mold and a lower mold forming a mold cavity. The method includes applying a pressure difference to a molding resin for driving the molding resin to flow into a preform in the mold cavity; detecting a flow front of the molding resin at a first position and a second position in the mold cavity; and calculating a flowing property of the molding resin based on the first position, the second position, a travelling time of the flow front from the first position to the second position, and the pressure difference.

Classes IPC  ?

• B29C 70/54 - Parties constitutives, détails ou accessoiresOpérations auxiliaires
• G01N 15/08 - Recherche de la perméabilité, du volume des pores ou de l'aire superficielle des matériaux poreux
• B29C 70/48 - Façonnage ou imprégnation par compression pour la fabrication d'objets de longueur définie, c.-à-d. d'objets distincts utilisant des moules opposables, p. ex. pour déformer des préimprégnés [SMC] ou des "prepregs" avec une imprégnation des renforcements dans le moule fermé, p. ex. moulage par transfert de résine [RTM]
• G01N 11/06 - Recherche des propriétés d'écoulement des matériaux, p. ex. la viscosité, la plasticitéAnalyse des matériaux en déterminant les propriétés d'écoulement en mesurant l'écoulement du matériau à travers un passage étroit, p. ex. un tube, une ouverture en chronométrant l'écoulement d'une quantité connue vers l'extérieur
• G01N 11/04 - Recherche des propriétés d'écoulement des matériaux, p. ex. la viscosité, la plasticitéAnalyse des matériaux en déterminant les propriétés d'écoulement en mesurant l'écoulement du matériau à travers un passage étroit, p. ex. un tube, une ouverture
• B29C 33/00 - Moules ou noyauxLeurs détails ou accessoires

Abrégé

The present disclosure provides a measuring apparatus including a testing module. The testing module includes: a temperature-controlling cylinder having a top opening and a bottom opening; an upper piston and a lower piston respectively seal the top opening and the bottom opening of the temperature-controlling cylinder so that a testing chamber is formed inside the temperature-controlling cylinder, wherein the testing chamber has a longitudinal length; and a pipe surrounding the testing chamber along the longitudinal length in such a way that when a wire is provided along and in the pipe with a number of turns, a density of the turns has at least two different values over the longitudinal length.

Classes IPC  ?

• G01F 22/02 - Procédés ou appareils pour la mesure du volume des fluides ou des matériaux solides fluents, non prévus ailleurs comportant un mesurage de pression
• G01N 9/02 - Recherche du poids spécifique ou de la densité des matériauxAnalyse des matériaux en déterminant le poids spécifique ou la densité en mesurant le poids d'un volume connu
• G01N 33/44 - RésinesMatières plastiquesCaoutchoucCuir

Abrégé

A molding system includes a mold having a mold cavity; a molding machine configured to fill the mold cavity with a composite molding resin including a polymeric material having a plurality of fibers; a processing module connected to the molding machine; and a controller connected to the computing apparatus. The processing module includes a processor configured to generate an orientation distribution of the fibers in the mold cavity based on a molding condition for the molding machine, wherein the orientation distribution is generated taking into consideration a combined effect of a molding pressure and a shear rate on a zero-shear-rate viscosity of the composite molding material. The controller is configured to control the molding machine to perform an actual molding with the molding condition for injecting the composite molding resin into at least a portion of the mold cavity.

Classes IPC  ?

• B29C 45/76 - Mesure, commande ou régulation
• B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
• G06F 17/50 - Conception assistée par ordinateur
• B29K 105/12 - Présentation, forme ou état de la matière moulée contenant des agents de renforcement, charges ou inserts de longueur réduite, p. ex. filaments coupés, fibres coupées ou crins

Abrégé

The present disclosure provides a molding system for preparing a fiber-reinforced thermoplastic composite article. The molding system includes: a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a composite molding material including a polymeric resin and a plurality of fibers; a processing module configured to generate an anisotropic stress distribution of the composite molding material in the mold cavity based on a molding condition for the molding machine; and a controller coupled to the processing module and configured to control the molding machine with the molding condition to perform an actual molding process for preparing the fiber-reinforced thermoplastic composite article. The anisotropic stress distribution of the composite molding resin is generated based in part on consideration of an integral effect of an elongational viscosity and a shear viscosity of the composite molding material.

Classes IPC  ?

• B29C 45/76 - Mesure, commande ou régulation
• B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler
• B29K 101/12 - Matières thermoplastiques

Abrégé

The present disclosure provides a method for operating a molding system. The molding system includes a molding machine and a mold disposed on the molding machine, wherein the mold has a mold cavity for being filled with a molding material from the molding machine. The method comprises a step of obtaining a predetermined state waveform expressing a predetermined volumetric variation of the molding material. Next, the method further comprises obtaining a measured pressure and a measured temperature of the molding material in the mold cavity while performing a molding process for filling the molding material into the mold cavity. Next, the method includes obtaining a detected volumetric property of the molding material corresponding to the measured pressure and the measured temperature. Subsequently, the method comprises displaying the detected volumetric property of the molding material with the predetermined state waveform.

Classes IPC  ?

• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler
• B29C 45/76 - Mesure, commande ou régulation
• B29C 45/78 - Mesure, commande ou régulation de la température

Abrégé

The present disclosure provides a method for setting up a molding system, wherein the molding system includes a molding machine and a mold disposed on the molding machine, and the mold has a mold cavity to be filled with a molding resin from the molding machine. The method includes generating first and second state waveforms using a predetermined packing pressure profile; obtaining an updated packing pressure profile based on the first and the second state waveforms; and setting up the molding machine based on the updated packing pressure profile to perform an actual molding process to prepare the molding product. The first and the second state waveforms express a relationship between an in-mold pressure and an in-mold temperature at different sensing sites of the molding resin.

Classes IPC  ?

• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler

Abrégé

A measuring apparatus includes a base and a testing module. The testing module is received in the base and includes a temperature-controlling bucket, a testing cylinder, and upper and lower pistons. The temperature-controlling bucket extends in a vertical direction and has a bucket wall having a bucket inner surface and a bucket outer surface opposite to the bucket inner surface. The testing cylinder extends in the vertical direction, is received in the temperature-controlling bucket, and has a cylinder wall having a cylinder inner surface and a cylinder outer surface opposite to the cylinder inner surface. The upper and lower pistons plug top and bottom ends of the testing cylinder, respectively. The upper piston has a receiving room located inside the upper piston, and has a piston temperature sensor and a piston heating wire received in the receiving room.

Classes IPC  ?

• G01N 33/44 - RésinesMatières plastiquesCaoutchoucCuir
• G01N 25/00 - Recherche ou analyse des matériaux par l'utilisation de moyens thermiques

Abrégé

The present disclosure provides a molding system for preparing a fiber-reinforced thermoplastic (FRT) composite article, including a molding machine; a mold disposed on the molding machine and having a mold cavity to be filled with a composite molding resin including a polymeric material having a plurality of fibers; a processing module configured to generate an anisotropic viscosity distribution of the composite molding resin in the mold cavity based on a molding condition for the molding machine; and a controller coupled to the computing apparatus and configured to control the molding machine with the molding condition to perform an actual molding for the composite molding resin. The anisotropic viscosity distribution of the composite molding resin is generated by taking into consideration an orientation distribution of the fibers in the composite molding resin.

Classes IPC  ?

• B29C 43/58 - Mesure, commande ou régulation
• B29C 43/00 - Moulage par pressage, c.-à-d. en appliquant une pression externe pour faire couler la matière à moulerAppareils à cet effet

Abrégé

The present disclosure provides a molding system for preparing a fiber-reinforced thermoplastic composite article. The molding system includes: a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a composite molding material including a polymeric resin and a plurality of fibers; a processing module configured to generate an anisotropic stress distribution of the composite molding material in the mold cavity based on a molding condition for the molding machine; and a controller coupled to the processing module and configured to control the molding machine with the molding condition to perform an actual molding process for preparing the fiber-reinforced thermoplastic composite article. The anisotropic stress distribution of the composite molding resin is generated based in part on consideration of an anisotropic rotational diffusion effect of the fibers in the composite molding material.

Classes IPC  ?

• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler
• B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet

Abrégé

A molding system comprises a mold, a molding machine, a computing apparatus, and a controller. The computing apparatus is programmed to perform a first simulation to generate a velocity distribution and a temperature distribution of the molding material in a first portion of a simulating domain and a second simulation to generate a melting distribution of the solid decorating film in a second portion of the simulating domain, wherein the simulating domain corresponds to the mold cavity. The first molding simulation is to performed using a molding condition of the molding machine to set a boundary condition of the first portion, and the second molding simulation is performed using the velocity distribution and the temperature distribution of the molding material to set a boundary condition of the second portion.

Classes IPC  ?

• B29C 45/76 - Mesure, commande ou régulation
• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler
• B29C 45/78 - Mesure, commande ou régulation de la température
• B29C 45/14 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet en incorporant des parties ou des couches préformées, p. ex. moulage par injection autour d'inserts ou sur des objets à recouvrir
• G06F 30/20 - Optimisation, vérification ou simulation de l’objet conçu
• G06F 13/22 - Gestion de demandes d'interconnexion ou de transfert pour l'accès au bus d'entrée/sortie utilisant le balayage successif, p. ex. l'appel sélectif
• G06F 113/22 - Moulage

Abrégé

A molding system includes a molding machine, a mold disposed on the molding machine and having a mold cavity to be filled with a molding resin from the molding machine, and a computing apparatus connected to the molding machine. The computing apparatus is configured to perform operations for setting the molding machine to prepare a molding product, wherein the operations comprise: generating a first and a second state waveforms using a setting packing pressure profile; obtaining an updated packing pressure profile based on the first and the second state waveforms; and setting the molding machine based on the updated packing pressure profile to perform an actual molding process to prepare the molding product. The first and the second state waveforms express a relationship between an in-mold pressure and an in-mold temperature at different sensing sites of the molding resin.

Classes IPC  ?

• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler

Abrégé

A molding system includes a mold having a mold cavity; a molding machine configured to fill the mold cavity with a composite molding resin including a polymeric material having a plurality of fibers; a computing apparatus connected to the molding machine; and a controller connected to the computing apparatus. The computing apparatus includes a processor configured to generate a previous orientation distribution of the fibers in the mold cavity based on a molding condition for the molding machine, a rotary diffusional distribution of the fibers based on the previous orientation distribution of the fibers, and an updated orientation distribution of the fibers based on the rotary diffusional distribution of the fibers. The controller is configured to control the molding machine to perform an actual molding with the molding condition for injecting the composite molding resin into at least a portion of the mold cavity.

Classes IPC  ?

• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler
• B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet

Abrégé

The present disclosure provides a method for preparing an injection-molded fiber-reinforced composite article using a molding machine controlled by a controlling module connected to the molding machine. The method performs a molding simulation executed on the controlling module to generate a shear rate distribution of the composite molding resin in a simulating domain. Subsequently, the method generates an orientation distribution of the fibers in the composite molding resin executed on the controlling module by taking into consideration an effect of the shear rate on an inter-fiber interaction and/or an effect of the shear rate on reducing a response rate of the fibers. A controller then controls the molding machine with the molding condition to perform an actual molding for injecting the composite molding resin into at least a portion of the mold cavity.

Classes IPC  ?

• B29C 45/76 - Mesure, commande ou régulation
• B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler
• G06F 17/50 - Conception assistée par ordinateur
• B29K 309/08 - Verre
• B29K 307/04 - Carbone
• B29K 101/12 - Matières thermoplastiques

Abrégé

A method for preparing a fiber-reinforced composite article initially performs a trial molding by a molding machine to prepare a trial composite article of a composite molding material including a polymeric material having a plurality of fibers, wherein the trial composite article has a trial fiber orientation distribution. The method further generates a predicted fiber orientation distribution fitting with the trial fiber orientation distribution, wherein the predicted fiber orientation distribution is generated by performing a first molding simulation for the trial composite article by using physical rheology parameters and physical fiber orientation parameters. The method further performs a second molding simulation for a real composite article by using the physical rheology parameters and the physical fiber orientation parameters to obtain molding conditions for the molding machine, and performs a real molding process by the molding machine by using the molding conditions to prepare the real composite article.

Classes IPC  ?

• B29C 45/76 - Mesure, commande ou régulation
• B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
• B29K 105/12 - Présentation, forme ou état de la matière moulée contenant des agents de renforcement, charges ou inserts de longueur réduite, p. ex. filaments coupés, fibres coupées ou crins
• B29K 105/14 - Présentation, forme ou état de la matière moulée contenant des agents de renforcement, charges ou inserts de longueur réduite, p. ex. filaments coupés, fibres coupées ou crins orientés

Abrégé

A method for operating a molding machine includes steps of specifying a simulating domain corresponding to a genuine domain in a mold disposed on the molding machine; performing a virtual molding by using an initial packing pressure profile to generate an initial state waveform expressing a relationship between an in-mold pressure and an in-mold temperature of the molding resin; obtaining an updated packing pressure profile for applying a molding pressure to at least a portion of the genuine domain while taking into consideration the initial state waveform; repeating the virtual molding while taking into consideration the updated packing pressure profile to generate an updated state waveform of the molding resin; and setting the molding machine taking into consideration the updated packing pressure profile to perform an actual molding by applying an actual molding pressure to the at least a portion of the genuine domain to prepare the molding product.

Classes IPC  ?

• B29C 45/77 - Mesure, commande ou régulation de la vitesse ou de la pression de la matière à mouler
• G05B 19/401 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par des dispositions de commande pour la mesure, p. ex. étalonnage et initialisation, mesure de la pièce à usiner à des fins d'usinage
• B29C 45/76 - Mesure, commande ou régulation
• B29C 45/78 - Mesure, commande ou régulation de la température
• B29C 33/38 - Moules ou noyauxLeurs détails ou accessoires caractérisés par la matière ou le procédé de fabrication
• G06F 17/50 - Conception assistée par ordinateur

Abrégé

A method for operating a molding machine includes specifying a simulating domain corresponding to a genuine domain in a mold disposed on the molding machine. The method proceeds to perform a virtual molding by using a setting packing pressure profile to generate a simulated state waveform, generating a designed state waveform including an isobaric phase and an isochoric phase while taking into consideration the simulated state waveform, and obtaining an updated packing pressure profile for applying a molding pressure to a portion of the genuine domain while taking into consideration a difference between the simulated state waveform and the designed state waveform. Subsequently, the method proceeds to set the molding machine while taking into consideration the updated packing pressure profile to perform an actual molding by applying an actual molding pressure to the at least a portion of the genuine domain to prepare the molding product.

Classes IPC  ?

• G06F 19/00 - Équipement ou méthodes de traitement de données ou de calcul numérique, spécialement adaptés à des applications spécifiques (spécialement adaptés à des fonctions spécifiques G06F 17/00;systèmes ou méthodes de traitement de données spécialement adaptés à des fins administratives, commerciales, financières, de gestion, de surveillance ou de prévision G06Q;informatique médicale G16H)
• G05B 17/02 - Systèmes impliquant l'usage de modèles ou de simulateurs desdits systèmes électriques
• G05B 19/4097 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par l'utilisation de données de conception pour commander des machines à commande numérique [CN], p. ex. conception et fabrication assistées par ordinateur CFAO
• G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
• B29C 45/76 - Mesure, commande ou régulation

Abrégé

A molding method includes the steps of specifying a simulating domain having a resin part and a mold part, wherein the simulating domain corresponds to a genuine domain on a molding machine; setting an initial resin temperature of the resin part and an initial mold temperature of the mold part; performing a transient state analysis to calculate a plurality of temperature distributions at different times between the resin part and the mold part; calculating at least one heat transfer coefficient between the resin part and the mold part taking into consideration the plurality of temperature distributions at different times; simulating the molding process of a molding resin that is injected into the simulating domain by using the at least one heat transfer coefficient to generate a plurality of molding conditions; and performing the molding process by using the plurality of molding conditions to the genuine domain on the molding machine.

Classes IPC  ?

• B29C 45/78 - Mesure, commande ou régulation de la température
• G05B 17/02 - Systèmes impliquant l'usage de modèles ou de simulateurs desdits systèmes électriques

Abrégé

A computer-implemented simulation method for use in a molding process comprises steps of specifying a simulating domain corresponding to a genuine domain in a mold disposed on a molding machine, wherein the genuine domain has a mold cavity to be filled with a fluid having fibers from the molding machine in order to prepare a molding product; performing a virtual molding to generate a shear rate distribution of the fluid having the fibers in the simulating domain while using a molding condition for the molding machine; and calculating an orientation distribution of the fibers by taking into consideration an anisotropic rotary diffusion effect of the fibers and the shear rate distribution, wherein the anisotropic rotary diffusion effect is determined by taking into consideration a square of a rate-of-deformation tensor.

Classes IPC  ?

• B29C 39/00 - Moulage par coulée, c.-à-d. en introduisant la matière à mouler dans un moule ou entre des surfaces enveloppantes sans pression significative de moulageAppareils à cet effet
• B29C 33/38 - Moules ou noyauxLeurs détails ou accessoires caractérisés par la matière ou le procédé de fabrication
• G05B 19/4069 - Simulation du procédé d'usinage à l'écran
• G06F 17/50 - Conception assistée par ordinateur

Abrégé

A computer-implemented method for use in a molding process by a computer processor includes specifying a simulating domain having a cavity part and a runner part; setting a filling condition of the cavity part without taking into consideration the runner part, wherein the filling condition includes gate pressures and filling rates of the cavities of the cavity part; and performing a steady state analysis to calculate flow conditions of a plurality of runner designs for the runner part by taking into consideration the filling condition of the cavity part, wherein the flow conditions include flow rates of a molding material in the runners of the runner part.

Classes IPC  ?

• G06G 7/50 - Calculateurs analogiques pour des procédés, des systèmes ou des dispositifs spécifiques, p. ex. simulateurs pour des réseaux de distribution, p. ex. pour fluides
• G06F 17/50 - Conception assistée par ordinateur

Abrégé

A computer-implemented simulation method for use in molding process by a computer processor includes specifying a simulating domain having a mold cavity configured to connect a tube of a molding machine, creating a mesh by dividing at least part of the simulating domain, generating at least one flow parameter of a molding material in the tube, specifying boundary conditions of the mesh by taking into consideration the at least one flow parameter of the molding material, and simulating a molding process of the molding material that is injected into the mold cavity by using the boundary conditions to generate a plurality of molding conditions.

Classes IPC  ?

• G06G 7/50 - Calculateurs analogiques pour des procédés, des systèmes ou des dispositifs spécifiques, p. ex. simulateurs pour des réseaux de distribution, p. ex. pour fluides
• B29C 45/26 - Moules
• G06F 17/50 - Conception assistée par ordinateur
• B29C 45/76 - Mesure, commande ou régulation
• B29L 31/30 - Véhicules, p. ex. bateaux ou avions, ou éléments de leur carrosserie

Abrégé

A computer-implemented method and non-transitory computer medium for calculating a shrinkage of a molding product comprises a step of using a computer processor to calculate a molding pressure of a molding fluid in a molding cavity by taking into consideration an increase of a shear viscosity of the molding fluid by a decrease of a shear rate, and a step of calculating the shrinkage of the molding products by taking into consideration a variation of a specific volume of the molding fluid as the molding pressure and a molding temperature decrease.

Classes IPC  ?

• B29C 45/76 - Mesure, commande ou régulation
• G06F 17/50 - Conception assistée par ordinateur

Produits et services

Application software; computer software; computer interface software; compiler software; computer programmes; computer programs (downloadable software); computer software for assisting in the design of plastics injection. Education services relating to computer software; education services relating to the application of computer software; training courses relating to computer software; training services concerned with the use of computer software. Advisory services relating to computer software; advisory services relating to computer software design; advisory services relating to man-machine interfaces for computer software; analytical services relating to computer programmes; computer and software consultancy services; computer programming and software design; computer software consultancy services.

Abrégé

One aspect of the present invention provides a method for determining orientation of fibers in a fluid having polymer chains, characterized in that the determining of the orientation of the fibers is performed by taking into consideration an interaction between the fibers and the fluid, wherein the interaction between the fibers and the fluid comprises changes in configuration of the polymer chain to cause the entanglement or adsorption between the fibers and the polymer chains. Another aspect of the present invention provides a method for determining orientation of fibers in a fluid having polymer chains, the fibers in the fluid including a transitional movement and a rotatory movement, the method being characterized in that the determining of the orientation of the fibers is performed by taking into consideration a steric barrier effect on a rotary movement of the fibers.

Classes IPC  ?

• G01C 9/00 - Mesure de l'inclinaison, p. ex. par clinomètres, par niveaux
• G01N 11/00 - Recherche des propriétés d'écoulement des matériaux, p. ex. la viscosité, la plasticitéAnalyse des matériaux en déterminant les propriétés d'écoulement
• G06G 7/50 - Calculateurs analogiques pour des procédés, des systèmes ou des dispositifs spécifiques, p. ex. simulateurs pour des réseaux de distribution, p. ex. pour fluides

Produits et services

Computer software and computer program design, testing, and analysis for others; computer software and computer program consultation; computer calculation services in the nature of computer diagnostic services; rental of computer programs for plastics injection molding analysis, simulation design, verification, and consulting