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Mold Design / Undercut

Contents Introduction Safety Molding Machines Molding Conditions Recycling
Molding Characteristics Product Design Mold Design Countermeasures for Defects

Runners  Gates  Draft  Undercut  Gas Vents  Mold Temp. Control  Mold Material

List of DURACON® POM grades This page's PDF(0.97MB)

8. Mold Design

8.4 Undercut

Although in principle shape design without undercut is desirable, an undercut design may be unavoidable for molded parts that are to be assembled by means of snap fitting. In case of cylindrical molding, undercuts are as follows:

  • M90-44  up to 2.5-3%
  • GH-25  up to 0.5%

 


Runners  Gates  Draft  Undercut  Gas Vents  Mold Temp. Control  Mold Material

Contents Introduction Safety Molding Machines Molding Conditions Recycling
Molding Characteristics Product Design Mold Design Countermeasures for Defects