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(Aco Mold Co., Ltd - a good reputation company in China for custom plastic injection mold manufacturing.)
08-03-2014 12:31 下午
#1
Better Design for Better Injection Molding
08-03-2014 03:26 下午
Top #2
Gate design is always a big one. There is also the mold being built for one material and then a different material is used. A big problem that I have also run into is molds that are built larger then they need to be there for making it go in a larger press then the part really needs.
08-03-2014 05:49 下午
Top #3
Thank you Frank!
08-03-2014 08:47 下午
Top #4
Zero draft angle and Kiss-off steel surface. Putting too many GT& D requirement in the drawing.
08-03-2014 10:57 下午
Top #5
Zero draft, indefenition of parting line, ribs too thin .
08-04-2014 01:19 上午
Top #6
use servals of simple parts assembly to instead of a complex part design.so then moding is more easy,dimension is more precision,quality is more stably too.
08-04-2014 04:08 上午
Top #7
parting line position, inconsistent wall thickness, over-designed part, material and as Frank says - gate design. It is still a big deal even tons of literature and articles have been written.
08-04-2014 06:41 上午
Top #8
Designing a best plastic part requires a designer that have knowledge of general moulded part desing, mould design (mould construction desision made) good experience of resins and their requrements and properties and knowledge of requirements for the part itself.. OR it must be made in co-operation with the designer - the mould maker - the moulder, of course all of them must be good professionals. I have seen many times that the second option produces in practice best parts/tools.
In the process of making a plastic part usually have so many variables that the number of possibility to make a mistake is high.
In the process of making a plastic part usually have so many variables that the number of possibility to make a mistake is high.
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