Development and Practical Application of CAE Simulation Mold Trials Process

Ting-Yu Cheng, Kuang-Kuo Wu, Ying-Hsun Chang, Chia-Hsiang, Hsu, Wen-Li Yang

ECTC

「碳排放 」為當今時下最熱門的 話題，是目前全球努力想實現減少甚至達到零碳排，然而在塑膠成型產業中， 時常讓人覺得碳排放量高不環保，尤其是塑膠模具都得經過試模階段，從開始到量產產品階段這過程中，有非常多環節會製造碳排放，其中以試模這個階段最為關鍵，因為試模...

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Optimization of 2.2D underfill process by novel methodology and direct observation of capillary underfill process

Chia-Peng Sun, Yu-En Liang, Dyi-Chung Hu, EH Chen, Jeffrey Chang, Bing Lee, Srikar Vallury

ECTC

With the rapid development of High Performance Computing (HPC) and chiplets, multi-die integration on a large substrate for heterogeneous integration is a crucial technology for system integration. After the dies are bonded to the substrate, underfill is required to fill...

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In-situ observation of underfill dispensing process

Dyi Chung Hu, Erh Hao Chen, Jeffrey ChangBing Lee, Chia Peng Sun, Yu En Liang

ICEP

In this work, a test vehicle (TV) is designed that makes the in-situ observation of underfill dispensing possible. The test structure is made of a transparent glass die with a thin film pattern on top. The thin film structure mimics the outer layer of the actual chip. It has the...

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Predicting void reduction of flip chip package in the pressure oven

Li-Hsuan Shen, Chien-Ting Wu, Dyi-Chung Hu, EH Chen, Jeffrey Chang, Bing Lee

ICEP

The void issue in the Flip-Chip Underfill package has been announced frequently. The unbalanced capillary underfills flow pattern occurs due to a non-uniform distributed bump pattern [1, 2, 3]. In addition, the market demands to underfill multiple dies in a large substrate...

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High Density Interconnect (HDI) socket flow & waprage prediction & characterization

Renn Chan Ooi, Franco Costa, Sam Hsieh, Ethan Chiu, Wendy Xu, Dave Yu, Darwin Fan, Allen Cheng, Andrew Gattuso, Yongfu Wang, Currey Hsieh, Jeffery Toran, John Thompson, Pierre-Louis Toussaint, Ryan Curry, Loh Wei Keat, Ron Kulterman, Haley Fu

EPTC

High density interconnect (HDI) sockets for CPU, GPU etc. is trending to larger form factor as the interconnect counts approach the realm of 10,000. One of the key bottleneck in HDI socket development is the ability of flow and warpage simulation techniques to reduce the design...

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An integrated three dimensional numerical simulation of nonlinear warpage analysis for injection-molding process

Hsiang-Liang Lin, Li-Hsuan Shen, Chih-Chung Hsu, Rong-Yeu Chang

ANTEC

Nonlinear warpage analysis which considers different kinds of nonlinearity effects has attracted more and more attention recently, especially in the automotive industry. This study is mainly aimed at using the new functions in Moldex3D, “Nonlinear warp analysis” and...

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A complete fiber orientation investigation of compression molding process for sheet molding compound (SMC)

Kaori Oshita, Satoshi Morita, Atsushi Kawada, Hirokuni Fujita, Masahiro Hakotani, Chun-Hsiang Wang, Chih-Chung Hsu, Hsien-Sen Chiu, Li-Yang Chang, Nai-Jen Hsiao, Kai-Yuan Wang

PPS

Compression molding is a high-volume, high-pressure method suitable for molding complex, high strength fiber glass reinforcements. Materials that are typically manufactured in compression molding are thermosetting resins with chopped glass/carbon fibers as the sheet...

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Study on the correlation between the micro fiber orientation distribution and macro geometrical shrinkage changes

Jun-Zheng Wang, Chao-Tsai (CT) Huang*, Sheng-Jye Hwang, Po-Wei Huang3, Hsin-Shu Peng, Chih-Che Wu, and Chun-I Tu

PPS

The micro-structures of the fibers have been regarded as the main content to enhance the strength for fiber-reinforced plastics (FRP) products. However, the micro-structures inside plastic matrix are very complex, they are not easy to be visualized and managed. Moreover...

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Study on the fiber orientation variation due to bubble effect in fiber reinforced microcellular injection molding

Le Ke, Jun-Zheng Wang, Chao-Tsai (CT) Huang, Shyh-Shin Hwang, and Rong-Yeu Chang

PPS

Due to its great functionality, the fiber reinforced thermoplastics (FRP) has been applied in industrial as one of the lightweight technologies for many years. However, the non-uniform shrinkage and warpage due to the fiber microstructure becomes one of the big challenges...

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A novel equivalent model for underfill molding process on 2.2D structure for high performance applications

Yu En Liang, Chia Peng Sun, Chih Chung Hsu, Dyi Chung Hu, Er Hao Chen, Jeffrey Changbing Lee

ECTC

Different optimization methods or strategies have been proposed and utilized to enhance the quality of injected products for many years. However, what is the machine characteristics to influence the efficiency of the optimization method? It is not fully understood yet. In this study...

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Discover the physical mechanism of the interface formation in co-injection molding using rheological behavior

You-Ti Rao, Kuan-Yu Ko, Chao-Tsai Huang, Chih-Chung Hsu, You-Sheng Zhou, David Hsu, Rong-Yue Chang, and Shi-Chang Tseng

ANTEC

Co-injection molding has been introduced into industrial application for several decades. However, due to the formation of the interface between skin and core materials is very difficult to be observed, and controlled, a good quality of co-injection product can not be obtained...

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Study on machine identification and its effect on the rsm optimization in injection molding

Rui-Ting Xu, Tsung-Han Wang, Chao-Tsai (CT) Huang, Po-Hsuan Chen, Wen-Ren Jong, Shia-Chung Chen, David Hsu and Rong-Yeu Chang

ANTEC

Different optimization methods or strategies have been proposed and utilized to enhance the quality of injected products for many years. However, what is the machine characteristics to influence the efficiency of the optimization method? It is not fully understood yet. In this study...

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Experiment and simulation of 1D flow and in-plane permeability validation considering fabrics orientation effects in resin transfer molding

Yu-Ho Chen, Yi-Kai Kao, Chen-Chieh Wang, Hsun Yang, Yuan Yao, Chia-Hsiang Hsu Rong-Yeu Chang

ANTEC

The main target for Design for Manufacturing and Assembly (DFMA) is to integrate multiple components with multiple functions to minimize cost and efforts. In addition, a family mold system has been utilized in industrial manufacturing to make a series integrated components...

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Thermal-flow simulation for heating module of thermoplastic pvt instrument

Shi-Chang Tseng, Shyang-Jye Chang, Li Fang, Chia-Kai Chang, Jian-He Liao, Jen-Jye Wang, De-Long Lai

模具公會

Due to the production development, for the quality and stability of plastics have higher requirements, the traditional method for improving quality mainly depends on experience to adjust and optimize controlling technology and injection molding parameters. There’s no...

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Study on the dynamic behavior of skin/core interface and its quantification in co-injection molding

Kuan-Yu Ko, Chao-Tsai (CT) Huang, You-Ti Rao, Gwo-Geng Lin, Chih-Chung Hsu, Tim Chou, David Hsu, and Shi-Chang Tseng

模具公會

The co-injection molding process has been widely used in daily life or in many industries. Its characteristic is to combine different color or different materials to make the skin and core structure products, such as: uniquely designed furniture (for example: Lattoflex's Winx300...

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3D numerical simulation and experimental observation of bubble growth and shrinkage in nitrogen-gas saturated molten polymer for the foam molding process

Cheng-Hong Pai, Li-Yang Chang, Chih-Chung Hsu

模具公會

The foam injection molding method is popular in various industries by its superior physical properties e.g., low thermal conductivity, low relative density, good shock absorbance, low dielectric transmission loss, and good sound absorption than solid plastics. These superior...

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Organic package warpage predictive modelling methodologies

Kang Eu Ong , Wei Keat Loh , Philip Chang , Arvind Purushotaman , Tatsuro Yoshida , Kei Murayama , Makoto Tsukahara , Ron W. Kulterman , Haley Fu

IMPACT

The present study focuses on organic package warpage modeling with copper wiring filled with different polymer materials for Core and Build Up. A modeling methodology using trace mapped model along with viscoelastic and PVTC material models were used to predict package...

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Study on the quantification of the advancement of core material in co-injection molding products

Kuan-Yu Ko , Chao-Tsai (CT) Huang , Chih-Chung Hsu , You-Sheng Zhou , David Hsu , and Shi-Chang Tseng

ANTEC

Co-injection molding has been developed for decades. However, due to too many factors which can affect its processing, it is very difficult to obtain good quality of coinjected products all the time. One of the major challenges is that the prediction and management of the advancement...

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3D numerical simulation and experimental observation of bubble growth and collapse in nitrogen-gases

Kentaro Taki, Allen Peng, Barry Pai, Grace Chang, Robert Chang, Jim Hsu, Hideo Akimoto, Hisahiro Tanaka

ANTEC

Co-injection molding has been developed for decades. However, due to too many factors which can affect its processing, it is very difficult to obtain good quality of coinjected products all the time. One of the major challenges is that the prediction and management of the advancement...

If you are interested to read more, please contact Moldex3D for more information.

Study on the flow-fiber couling and its influence on the shrinkage of frp injection parts

Cheng-Hong Lai, Chao-Tsai (CT) Huang, Jia-Hao Chu ,Wei-Wen Fu, Sheng-Jye Hwang, Hsin-Shu Peng, Chih-Che Wu, and Chun-I Tu

ANTEC

The fiber-reinforced plastics (FRP) material has been applied into industry as one of the major lightweight technologies, especially for automotive or aerospace products. The reason why fibers can enhance plastics is because of their microstructures. One of those microstructures...

If you are interested to read more, please contact Moldex3D for more information.

Viscous heating correction for shear viscosity of polymer mets in capillary rheometry

Yu-Ho Wen, Chen-Chieh Wang, Chia-Hsiang Hsu, and Rong-Yeu Chang

ANTEC

The fiber-reinforced plastics (FRP) material has been applied into industry as one of the major lightweight technologies, especially for automotive or aerospace products. The reason why fibers can enhance plastics is because of their microstructures. One of those microstructures...

If you are interested to read more, please contact Moldex3D for more information.

Investigate on the degree of assembly for components in an injection family mold system

Tsai-Wen Lin, Chao-Tsai (CT) Huang, Wen-Ren Jong , and, Shia-Chung Chen

ANTEC

Co-injection molding has been introduced into industrial application for several decades. However, due to the formation of the interface between skin and core materials is very difficult to be observed, and controlled, a good quality of co-injection product can not be obtained...

If you are interested to read more, please contact Moldex3D for more information.

On the development of a mold with conformal cooling channel for metal injection molding

Wei-Chen Zhou, Pei-Bo Sung, Yao-Chen Tsai, Jian-Hong Lin, Chia-Hsiang Hsu, Jiing-Yih Lai

模具公會

Conventional 2D cooling channels may not be easy to deal with the problem of non-uniform temperature distribution for multi-cavity molds in metal injection molding, and may cause shaping defects of the product. We develop an integrated technology for the MIM product...

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Advanced simulation methods for prediction of multi-layer non-matching fiber mat applications in resin transfer molding process

Hsun Yang, Chih-Chung Hsu, Chia-Hsiang Hsu, and Rong-Yeu Chang

ANTEC

The objective of this study is to use a simulation tool of resin transfer molding (RTM) process to get a comprehensive understanding of the permeability measuring process. In order to verify the simulation tool’s capability to simulate oil flow in non-matching fabric we build the mesh...

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A valid design prediction approach of 3D metal-printed mold manufacturing

Po-Chieh Huang, Chian-Hsiang Lin, Chong-Bin Yang, Wen-Hsin Weng, Wen-Yang Peng and Alan Liao

ANTEC

The objective of this study is to use a simulation tool of resin transfer molding (RTM) process to get a comprehensive understanding of the permeability measuring process. In order to verify the simulation tool’s capability to simulate oil flow in non-matching fabric we build the mesh...

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The advanced study of hybrid molding by CAE simulation

Che-Ping Lin

ANTEC

In this automotive power supply test-seat assembly case, the development process combines injection molding simulation, 3D metal printing technology and real experiments to demonstrate an effective mold development approach. Simulation-driven conformal cooling design...

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Viscoelastic measurement and injection molding simulation of amorphous polymer: from liquid to solid state

Chen-Chieh Wang, Rong-Yeu Chang

ANTEC

Hybrid Molding is an emerging molding technology that is used in composite products. It has integrated molding characteristics, which can integrate multi-step process, save cost, reduce cycle time and make the product multifunctional. However, it is very hard to know what...

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3D chemical foaming simulation for transfer molding process

Li-Yang Changa, Chen-Chieh Wanga, Chih-Chung Hsua, Chia-Hsiang Hsua

ANTEC

The viscoelastic properties under wide temperature range (from viscous to glassy state) and various flow field are studied in this work for a commercial amorphous polymer. It is found that multi-mode EPTT model can describe all measured properties well including dynamic...

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The challenge of simulation for ear-flow phenomenon in injection-mold filling

Huan-Chang Tseng

ANTEC

This study presents the recent development of threedimensional prediction of cross-linked ethylene propylene diene monomer rubber (EPDM) with chemical blowing agent azodicarbonamide (ADCA) in transfer molding process. Plunger retraction is applied after...

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Predictive modelling methodologies for bi-material strip warpage

Jenn An Wang, Ong. Kang Eu, Weng Hsin Weng, Chih Chung Hsu, Wei Keat Loh, Ron W. Kulterman, Haley Fu

IMPACT

In the past, the Dihn-Armstrong flow-fiber coupling model has been demonstrated to only be relevant in semi-concentrated fiber suspensions. However, the broader core of fiber orientation distribution induced by the plug flow velocity profile for high fiber concentrations cannot be...

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