Coretech System Co., Ltd.

Tsinghua University

Coretech Systems Co., Ltd.

Chia-Hsiang Hsu

Rong-Yeu Chang

Huan-Chang Tseng

Yuing Chang

Chih-Chung Hsu

Chuan-Wei Chang

Chen-Chieh Wang

Ching-Chang Chien

Li-Hsuan Shen

Chia-Peng Sun

Chien-Ting Wu

Ching-Kai Chou

Hsun Yang

Yuan Yao

Wei-Yu Lin

Chi-Hua Yu

Ting-Yu Cheng

Yi-Wen Chen

Yu-En Liang

Tsai-Heng Tsai

Yuan-Jung Chang

Chih-Kang Lee

Tung-Huan Su

Guo-Sian Cyue

You-Sheng Zhou

Hsien-Sen Chiu

De-Lung Lai

Tzu-Heng Chiu

Mao-ken Hsu

Sung-Wei Huang

Yu-Ho Wen

Chih-Wei Wang

Kai-Yi Bai

Shih-Po Sun

Cheng-Kuang Lee

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.

Molding system for fabricating fiber reinforcement polymer composite article and molding method thereof

Display screen or portion thereof with graphical user interface

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.

Method of mesh generation for resin transfer molding process

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.

Method of measuring voids in underfill package

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.

Molding system for preparing an injection-molded article

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.

Method of measuring extensional viscosity of polymer melts and capillary injection system

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.

Method of measuring true shear viscosity profile of molding material in capillary and molding system performing the same

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.

Molding system for preparing molded article with orientation effect

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.

Method of measuring underfill profile of underfill cavity having solder bumps

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.

Method for setting molding conditions of injection-molding equipment

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.

Method of setting pressure profile of injection-molding apparatus

System for setting molding conditions of injection-molding equipment

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.

Molding system for preparing thermoplastic composite article

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.

Molding system for preparing injuection-molded article

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.

Clamping mechanism assembly

Growing community of inventors

Chupei, Taiwan

Chia-Hsiang Hsu