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A Review on Plastic Moulding Manufacturing Process and Parameters
2021
International Journal of Advanced Engineering Research and Science
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Various reactions of injection molding process quality supported performance parameters and methods are studied. the purpose of this paper is to illustrate the state of the plastic injection molding process ...
The working conditions are satisfied by the production of a product based on high quality. I. ...
A principal component
analysis model-based
predictive controller for
controlling part warpage in
plastic injection molding
2015 Cavity pressure,cavity
temperature
Warpage by coolant
flow rate ...
doi:10.22161/ijaers.88.3
fatcat:ehtzkrnvyjdhzm2kyrg4joqcxq
Prediction of warpage in plastic injection molding based on design of experiments
2012
Journal of Mechanical Science and Technology
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In terms of injection processing parameters, a mathematical model for prediction of warpage was formulated based on design of experiments (DOE). ...
Hence, it indicated that corrective and iterative design steps can be initiated and implemented for better quality of products without resorting to physical trials in plastics injection mold by using this ...
Its properties are given in Table 1 .
Mold and molding machine A proper mold is essential to mold a component in plastics injection molding. ...
doi:10.1007/s12206-012-0214-0
fatcat:a7meezkrrvecpjvuk4v2dl2i4i
Mold modification methods to fix warpage problems for plastic molding products
2015
Computer-Aided Design and Applications
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Warpage is a common quality problem for plastic molding products and it is influenced by numerous factors. Molding simulation software packages are widely used to analyze the molding conditions. ...
In this paper, we proposed a simulation workflow aiming to analyze the reasons that cause warpage after pilot molding, and further, four possible methods to resolve such problems. ...
Acknowledgement The research project was supported by a NSERC CRD grant and Drader Manufacturing Industries Ltd. Special thanks to Steve Koski and Abiy Wubneh for their technical support. ...
doi:10.1080/16864360.2015.1059203
fatcat:rk6i2xv4crdjnk42mgkhgkrfd4
PVT Properties of Polymers for Injection Molding
[chapter]
2012
Some Critical Issues for Injection Molding
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However, plastic processing, such as injection molding, is a rapid, high pressure process where both cooling rate and pressure play critical roles in the final component dimensions. ...
Software such as Moldflow (Autodesk, Inc., San Rafael, CA) or Moldex 3d (CoreTech System Co., Ltd., Taipei, China) seeks to reduce the risk of producing parts with shrinkage or warpage in plastic components ...
It provides some clear presentation of injection molding process and equipment to direct people in plastics manufacturing to solve problems and avoid costly errors. ...
doi:10.5772/35212
fatcat:dy5tdl6fbbgirgkg24sz3gmymu
Multi-Objective Optimizations for Microinjection Molding Process Parameters of Biodegradable Polymer Stent
2018
Materials
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In this study, an adaptive optimization method based on the kriging surrogate model is proposed to reduce the residual stress and warpage of stent during its injection molding. ...
Microinjection molding technology for degradable polymer stents has good development potential. ...
In the design process, injection molding process parameters should be repeatedly adjusted to meet the quality requirements of plastic parts. ...
doi:10.3390/ma11112322
pmid:30463214
pmcid:PMC6267175
fatcat:r2bcqgush5bgbkf6znr47l2v3u
Preface
[chapter]
2020
Polymers and Composites Manufacturing
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In this case, materials can be plastics, composites or materials for the mold and dies. 6M -Modeling, that is, advancement in existing software or development of new software for virtual simulation of ...
in manufacturing, better quality, less cost and more productivity. 4M -Mold, that is, advancement in existing molds and dies or development of a new mold and dies for ease in manufacturing, better quality ...
Chapter 2 shows the dependence of mold design on the fiber orientation in the case of injection molding, one of the most important processes to manufacture plastic parts, especially for complex geometries ...
doi:10.1515/9783110655049-202
fatcat:b2el7tgvhjhnfirn6skim6xx3u
Numerically and Experimentally Verified Design of a Small Wind Turbine with Injection Molded Blade
2021
Processes
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blades using injection molding. ...
We used commercial code ANSYS CFX for numerical simulation and compared turbulence models and surface roughness for determining the performance. ...
In this work, a numerical analysis was performed using Autodesk Moldflow advisor for process optimization of the injection of a spiral blade in a mold to obtain a high-quality part. ...
doi:10.3390/pr9050776
fatcat:z3z7m2mswbcipbsgoy72o27wii
Analysis of the main factors affecting mass production in the plastic molding process by using the finite element method
2021
Eastern-European Journal of Enterprise Technologies
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Plastic injection molding is widely used in many industrial applications. Plastic products are mostly used as disposable parts or as portable parts for fast replacements in many devices and machines. ...
Computer-aided design (CAD) and CATIA V5R20 are adopted for design and modeling procedures. ...
For this purpose, and to decrease warpage, it is necessary to create a dynamic mold for temperature control. ...
doi:10.15587/1729-4061.2021.248375
fatcat:ztvz53i57bbk5mub2cb6crnqnq
Optimization of the Cooling of a Thermoplastic Injection Mold
2022
Annals of Dunarea de Jos University of Galati. Fascicle XII, Welding Equipment and Technology
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In injection molding processes for thermoplastic parts, the polymer solidification phase in the molding cavity has a strong influence on the quality of the shaped parts and also on the process cycle time ...
Reducing cycle time is one of the major concerns for plastic injection industries. ...
The plastic part's geometry should be used to make the decision. Since the mold is large and the plastic part is principally flat in form, the ancient mold's main cooling channels were kept. ...
doi:10.35219/awet.2021.08
fatcat:6h4tqhixvvarzboczr2tfqy2au
Modification of the Cavity of Plastic Injection Molds: A Brief Review of Materials and Influence on the Cooling Rates
2021
Materials
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Manufactured plastic components/parts are used in several industry sectors, where the automotive and aeronautic stand out. ...
In the 21st century, a great percentage of the plastic industry production is associated with both injection molding and extrusion processes. ...
The injection molding process is the primary process used for manufacturing plastic parts on a large industrial scale, where the molten polymer is injected under pressure into a mold. ...
doi:10.3390/ma14237249
pmid:34885404
fatcat:ab5om6e7rjghzauqh4rn5vkm7u
Computational analysis of injection-molding residual-stress development in direct-adhesion polymer-to-metal hybrid body-in-white components
2008
Journal of Materials Processing Technology
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Such promoters are applied to the metal stamping prior to their placement into the injection mold for plastic-subcomponent injection molding. ...
In the present work, injection-molding mold-filling and material-packing analyses are combined with a structural analysis involving polymer/metal adhesion analysis to assess the extent of residual stresses ...
Acknowledgements The material presented in this paper is based on work conducted as a part of the project "Lightweight Engineering: Hybrid Structures: Application of Metal/Polymer Hybrid Materials in Load-bearing ...
doi:10.1016/j.jmatprotec.2007.09.059
fatcat:3mnsqsp6bjae3nvvpl5nz5runu
Multivariate Statistical Process Control Based on Principal Component Analysis: Implementation of Framework in R
[chapter]
2018
Lecture Notes in Computer Science
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In order to solve this problem, a Multivariate Statistical Process Control based on Principal Component Analysis (MSPC-PCA) approach was used and an R code was developed to implement it according some ...
This paper presents an industrial process involving a plastic part in which, due to the number of correlated variables, the inversion of the covariance matrix becomes impossible, and the classical MSPC ...
The use of the R programming language in an industrial example demonstrates the great potential of MSPC-PCA techniques in multivariate data analysis and multivariate statistical control of processes. ...
doi:10.1007/978-3-319-95165-2_26
fatcat:bmsa6ndof5b2nbtpxj7hnvq2si
Intelligent Predicting of Product Quality of Injection Molding Recycled Materials Based on Tie-Bar Elongation
2022
Polymers
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Therefore, this study proposes a real-time product quality monitoring system based on the variation of clamping force during the injection molding process for the injection molding of recycled materials ...
In the process of injection molding, a certain percentage of recycled material is usually used in order to save costs. ...
In 2014, Reiter et al. [10] proposed a method for predicting the cavity pressure controller using a model based on a physically motivated gray box model. ...
doi:10.3390/polym14040679
pmid:35215590
pmcid:PMC8877480
fatcat:zbmdihh5yzcwrnzrykjhzkumre
Overview of the Injection Moulding Optimisation for Shrinkage Defect
2018
International Journal of Innovative Computing
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The injection moulding process in manufacturing plastic material has become a worldwide used for more than 100 years. The used can be seen everywhere instead of became a daily used product. ...
In this study, the optimisation method of non-classical and classical are used to minimise the shrinkage defects at the thick plate part. ...
Next, the hybrid of Taguchi method with Grey Relational Analysis (GRA) and Principal Component Analysis (PCA) make an astonishing result in plastic gear manufacturing. ...
doi:10.11113/ijic.v8n2.175
fatcat:arv26i3v5jfpjnawviaj7nel2q
A Novel Statistical Analysis for Residual Stress in Injection Molding
2016
American Journal of Operations Research
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Internal stresses in injection molding components are a principal cause of shrinkage and warpage, and are considered to be responsible for environmental stress cracking in plastic parts [10] [11] . ...
Residual stresses can reduce the reliability of plastic injection molding parts. This work is an attempt to model the residual stresses as a function of injection molding parameters. ...
Introduction The plastic injection molding process is a widely used polymer processing operation [1] . ...
doi:10.4236/ajor.2016.61012
fatcat:brtlk3bgnvff3hnyxu3a6fe74m
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