Design and Analysis of Plastic Injection Mould for Holder Casing
The plastic industry involving manufacturing and injection moulding has high growth potential, this is because most of the products today are made from plastic material. The aim of this project is to design a plastic injection mould for producing a holder casing for card or highway toll ticket. T...
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| Main Author: | |
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| Format: | Thesis |
| Language: | English English |
| Published: |
2004
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| Subjects: | |
| Online Access: | http://psasir.upm.edu.my/id/eprint/236/1/549520_FK_2004_21.pdf |
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| Summary: | The plastic industry involving manufacturing and injection moulding has high
growth potential, this is because most of the products today are made from
plastic material. The aim of this project is to design a plastic injection mould
for producing a holder casing for card or highway toll ticket. This work is
concerned with the design, analysis and simulation of the plastic injection
mould.
The plastic part was designed into two different types of product, but for the
same usage function. One part is using clip function and another part is using
stick function.
In the design section, computer software Pro-Engineer (Pro/E) is used to
produce the detail design in 3-dimension (3D) view, the two products are
designed into two changeable insert to produce two different types of plastic
product and assembly into one mould base.Pro/Manufacturing software is used to develop the programming to run the
CNC (Computer Numerical Control) machine. By using ICAM (Intelligent
Computer Aided Manufacturing) software to convert the programming from
computer code.
Moldflow Plastics Insight (MPI) was used to analyse the mould for the design.
This software shows how the molten plastic entering the mould during
injection process and also the possible defects that might occur. This step
normally will eliminate the rework cost and time as all the possible errors are
being eliminated before it actually occurs in actual production process. The
rework cost is a major problem to the mould making industries.
In fabrication process, Computer Numerical Control (CNC), milling, drilling,
grinding and Electrode Discharge Machining (EDM) machines were used to
machine the mould components.
Quality of the mould and injected product depend on the selection of the
machines used as well as the processing conditions such as melt
temperature, mould temperature and injection pressure.
As a conclusion the objective of the project to create a plastic product,
analysis by using MPI and create a three plates mould by using slide core
insert has been achieved. |
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