Plastic Design - Sumsung-Design Guide for Assembly of Injection Molded Plastic Parts
Transcript of Plastic Design - Sumsung-Design Guide for Assembly of Injection Molded Plastic Parts
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Design for Assembly
Cheil Industries Inc.
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Design Guide ForAssembly of Injection Molded Plastic Parts
R&D, Application Development Center Last Updated SEP 15 1999Cheil Industries Inc. 3
Press Fit AssemblyPress Fit Assembly
Simplest means of assembling plastic parts- use Elastic or spring like characteristics of plastics
hub
shaft
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Design Guide ForAssembly of Injection Molded Plastic Parts
R&D, Application Development Center Last Updated SEP 15 1999Cheil Industries Inc. 4
Press Fit AssemblyPress Fit Assembly
Materials consideration
0.0 1.0 2.0 3.0 4.0 5.0
Tensile strain (%)
Tensile
stress
X
Rigidbrittle
polymer
Designstrain
may be
Manufacturingrelated
tolerance
Ductilepolymer
Large latitudefor interference