Injection molding of micro devices

Injection molding represents a critical process for manufacturing plastic parts. A major contribution of this process is its capability to manufacture complex geometries in one production step of an automated process. Often, injection molded parts can be found in daily life: automotive parts, househ...

Full description

Saved in:
Bibliographic Details
Main Author: Tan, Kayne Keng'An.
Other Authors: Tor Shu Beng
Format: Final Year Project
Language:English
Published: 2011
Subjects:
Online Access:http://hdl.handle.net/10356/44962
Tags: Add Tag
No Tags, Be the first to tag this record!
Institution: Nanyang Technological University
Language: English
id sg-ntu-dr.10356-44962
record_format dspace
spelling sg-ntu-dr.10356-449622023-03-04T18:30:02Z Injection molding of micro devices Tan, Kayne Keng'An. Tor Shu Beng School of Mechanical and Aerospace Engineering DRNTU::Engineering::Mechanical engineering Injection molding represents a critical process for manufacturing plastic parts. A major contribution of this process is its capability to manufacture complex geometries in one production step of an automated process. Often, injection molded parts can be found in daily life: automotive parts, household articles, consumer electronics goods and toys. In this project, the optimized parameters of two polymers for injection molding were being studied. The two polymers are Polymethyl Methacrylate grade LG2 (PMMA LG2) and Cyclic Olefin Copolymer grade 8007 (COC 8007) supplied by Sumitomo Chemical Co., Ltd. Methacrylates Division and TOPAS® (Thermoplastic Olefin Polymer of Amorphous Structure) respectively.The main objective of this report is to optimize the molding parameters for the injection molding process of micro devices using PMMA LG2 and COC 8007. To achieve it, a trial Design of Experiment (DOE) experiment from Minitab was performed on six factors, namely Injection Pressure, Injection Speed, Mold Temperature, Barrel Temperature, Holding Pressure and Holding Time. From there, the author identified 3 critical factors which demonstrated greater impact on the molded process for both materials and performed full factorial experiments on them. The 3 determining factors for PMMA LG2 were injection pressure, mold temperature and holding pressure. For COC 8007, the 3 determining factors were injection pressure, mold temperature and barrel temperature. Bachelor of Engineering (Mechanical Engineering) 2011-06-07T07:20:53Z 2011-06-07T07:20:53Z 2011 2011 Final Year Project (FYP) http://hdl.handle.net/10356/44962 en Nanyang Technological University 115 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Mechanical engineering
spellingShingle DRNTU::Engineering::Mechanical engineering
Tan, Kayne Keng'An.
Injection molding of micro devices
description Injection molding represents a critical process for manufacturing plastic parts. A major contribution of this process is its capability to manufacture complex geometries in one production step of an automated process. Often, injection molded parts can be found in daily life: automotive parts, household articles, consumer electronics goods and toys. In this project, the optimized parameters of two polymers for injection molding were being studied. The two polymers are Polymethyl Methacrylate grade LG2 (PMMA LG2) and Cyclic Olefin Copolymer grade 8007 (COC 8007) supplied by Sumitomo Chemical Co., Ltd. Methacrylates Division and TOPAS® (Thermoplastic Olefin Polymer of Amorphous Structure) respectively.The main objective of this report is to optimize the molding parameters for the injection molding process of micro devices using PMMA LG2 and COC 8007. To achieve it, a trial Design of Experiment (DOE) experiment from Minitab was performed on six factors, namely Injection Pressure, Injection Speed, Mold Temperature, Barrel Temperature, Holding Pressure and Holding Time. From there, the author identified 3 critical factors which demonstrated greater impact on the molded process for both materials and performed full factorial experiments on them. The 3 determining factors for PMMA LG2 were injection pressure, mold temperature and holding pressure. For COC 8007, the 3 determining factors were injection pressure, mold temperature and barrel temperature.
author2 Tor Shu Beng
author_facet Tor Shu Beng
Tan, Kayne Keng'An.
format Final Year Project
author Tan, Kayne Keng'An.
author_sort Tan, Kayne Keng'An.
title Injection molding of micro devices
title_short Injection molding of micro devices
title_full Injection molding of micro devices
title_fullStr Injection molding of micro devices
title_full_unstemmed Injection molding of micro devices
title_sort injection molding of micro devices
publishDate 2011
url http://hdl.handle.net/10356/44962
_version_ 1759855736996757504