DME University

Mold Plates Summary

This Learning Topic has presented the primary plates found in a plastic injection mold base along with their functions. The following plates were reviewed:

  • Top and Bottom retainer plates
  • “A” (cavity) Plate
  • “B” (core) Plate
  • “X” (stripper) plate
  • Ejector plate
  • Ejector retainer plate
  • Support plate


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