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Author :
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (946 download)
Download or read book Numerical Simulation and Experimental Validation of the Filling Stage in the Co-injection Molding Process written by and published by . This book was released on 2003 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Foad Haghniaz
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)
Download or read book Numerical Simulation and Experimental Validation of Low-pressure Powder Injection Molding Process Using Moldflow written by Foad Haghniaz and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (946 download)
Download or read book Numerical Simulation of the Filling Stage in the Micro-injection Molding Process written by and published by . This book was released on 2003 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rui Igreja
Publisher :
ISBN 13 : 9783656649243
Total Pages : 126 pages
Book Rating : 4.6/5 (492 download)
Download or read book Numerical Simulation of the Filling and Curing Stages in Reaction Injection Moulding written by Rui Igreja and published by . This book was released on 2014-05-13 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master's Thesis from the year 2007 in the subject Engineering - Mechanical Engineering, language: English, abstract: (Thesis in pdf available here: http: //goo.gl/EZzlT6 and here: http: //hdl.handle.net/10773/2419) Commonly used methods for injection moulding simulation involve a considerable number of simplifications, leading to a significant reduction of the computational effort but, in some cases also to limitations. In this work, Reaction Injection Moulding (RIM) simulations are performed with a minimum of simplifications, by using the general purpose CFD software package Ansys CFX, designed for numerical simulation of fluid flow and heat and mass transfer. The Ansys CFX's homogeneous multiphase flow model, which is generally considered to be the appropriate choice for modelling free surface flows where the phases are completely stratified and the interface is well defined, is shown to be unable to model the filling process correctly. This problem is overcome through the implementation of the inhomogeneous model in combination with the free-slip boundary condition for the air phase. The cure reaction is implemented in the code as a transport equation for an additional scalar variable, with a source term. Various transient and advection schemes are tested to determine which ones produce the most accurate results. Finally, the mass conservation, momentum, cure and energy equations are implemented all together to simulate the simultaneous filling and curing processes present in the RIM process. The obtained numerical results show a good global accuracy when compared with other available numerical and experimental results, though considerably long computation times are required to perform the simulations.
Author : Sang-Woo Kim
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.:/5 (89 download)
Download or read book Three-dimensional Simulations for the Filling Stage of the Polymer Injection Molding Process Using the Finite Element Method written by Sang-Woo Kim and published by . This book was released on 2005 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph Arthur Henz
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.:/5 (4 download)
Download or read book Experimental Verification of Computer-aided Numerical Simulation of the Cooling Phase of Injection Molding written by Joseph Arthur Henz and published by . This book was released on 1992 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jian Zhou
Publisher :
ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.:/5 (891 download)
Download or read book Single and Multi-objective Process Optimization of Injection Molding Using Numerical Simulation with Surrogate Modeling Approaches and Genetic Algorithms written by Jian Zhou and published by . This book was released on 2007 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Society of Plastics Engineers. Technical Conference
Publisher :
ISBN 13 :
Total Pages : 1344 pages
Book Rating : 4.0/5 ( download)
Download or read book Conference Proceedings written by Society of Plastics Engineers. Technical Conference and published by . This book was released on 2003 with total page 1344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. M. Gao
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (355 download)
Download or read book Numerical Simulation of the Sequential Filling in Injection Molding Process written by D. M. Gao and published by . This book was released on 1994 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Homerus
Publisher :
ISBN 13 :
Total Pages : 205 pages
Book Rating : 4.:/5 (72 download)
Download or read book Homers Odyssee. Bd. 1. Gesang VII - XII written by Homerus and published by . This book was released on 1908 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (946 download)
Download or read book Numerical Simulation of the Mould Filling Stage in Gas Assisted Injection Moulding written by and published by . This book was released on 1996 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Prabhas M. Bhat
Publisher : ProQuest
ISBN 13 : 9780549389521
Total Pages : pages
Book Rating : 4.3/5 (895 download)
Download or read book Simulation and Validation of Mold Filling During Compression Resin Transfer Molding (CRTM) Process written by Prabhas M. Bhat and published by ProQuest. This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In Compression Resin Transfer Molding (CRTM), the fiber preform is placed in the mold; the top of the mold is lowered until there is a small gap between the preform and the mold. The measured amount of resin is injected through one or more gates into this highly permeable gap. Then the resin injection is switched off and the mold is closed by moving the mold platen towards the preform until it reaches the desired thickness. This action compresses the preform and pressurizes the resin to flow into the preform and occupy the empty regions between the fibers. This process is very attractive for high volume production of net shape composite structures and is being considered by automobile manufacturing industry for structural components. The challenge is to create void free structures with reasonable applied force with filling times of the order of a few minutes. A model and simulation of the process can help identify the important parameters in the process that will aid in achieving this goal. An existing numerical simulation that can model the RTM process has been modified to accommodate the presence of gap elements, compression of preform and reduction of mesh size during the process. The process is modeled in three stages: (i) resin injection into the gap, (ii) closing of the gap with negligible compression of the preform and (iii) preform compaction. An analysis of the process has been conducted to identify the important non-dimensional parameters that influence the process. A parametric study reveals the relationship between the material, process and the geometric variables in this process. To validate the numerical model, an experimental set-up was constructed. The set-up includes a semi cylindrical transparent mold which is compressed using pressurized water in a collapsible tube. Independent experiments are conducted to measure the permeability of the fabric and the force required for compression. Various process parameters such as the location of the resin front during the compression, the rate of compression and the force are recorded as a function of time. These results are compared with the simulation to gauge the accuracy of the model and the reliability in the characterization of the material parameters. This simulation should prove useful in development of process inputs for large scale structures to produce void free parts with optimal compression rates and pressures.
Author : X. Xue
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (467 download)
Download or read book Numerical Simulation and Experimental Verification of Mold Filling Processes Through Pressurized and Depressurized Gating Systems written by X. Xue and published by . This book was released on 1993 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James L. Berger
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (115 download)
Download or read book A Numerical Simulation of the Cavity Filling Process in Injection Molding written by James L. Berger and published by . This book was released on 1972 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Huamin Zhou
Publisher : John Wiley & Sons
ISBN 13 : 0470602996
Total Pages : 40 pages
Book Rating : 4.4/5 (76 download)
Download or read book Computer Modeling for Injection Molding written by Huamin Zhou and published by John Wiley & Sons. This book was released on 2013-03-04 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers a wide range of applications and uses of simulation and modeling techniques in polymer injection molding, filling a noticeable gap in the literature of design, manufacturing, and the use of plastics injection molding. The authors help readers solve problems in the advanced control, simulation, monitoring, and optimization of injection molding processes. The book provides a tool for researchers and engineers to calculate the mold filling, optimization of processing control, and quality estimation before prototype molding.
Author : K. K. Kabanemi
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.:/5 (456 download)
Download or read book Residual Stresses, Shrinkage and Warpage of Complex Injection Molded Products written by K. K. Kabanemi and published by . This book was released on 1996 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kyaw Lin
Publisher : GRIN Verlag
ISBN 13 : 3640445554
Total Pages : 85 pages
Book Rating : 4.6/5 (44 download)
Download or read book Process Optimisation of Injection Moulding Using Computer Simulation written by Kyaw Lin and published by GRIN Verlag. This book was released on 2009-10 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research Paper (postgraduate) from the year 2008 in the subject Engineering - Mechanical Engineering, University of South Australia, language: English, abstract: Determining optimal values of process control factors is critical in injection moulding process because of their influences on product quality, productivity and cost of production. In the past, many researchers exploited traditional and artificial methods but the limitations of different methods prevented to achieve optimal level of process design variables for multiple-input multiple-output (MIMO) injection moulding process. To bridge the gap, this study aims to develop a computer integrated optimisation system (CIOS). In this research, virtual reality (VR) technology is employed, in the first phase, for simulation purpose and combination of design of experiments (DOE) and SAPSO-based ANN method is used for optimising the simulation results in order to achieve global optimal solution for the control parameters. Apparently, the proposed approach is a new integration system that can help the users determine optimal parameter settings to accomplish the MIMO injection moulding process with competitive benefits of cost and production efficiency.
