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Industry knowledge

Restrictive Gate

ABIS Mold Technology Co.,Ltd Updated: Aug 08, 2017
    Restrictive Gate
  • A restrictive gate has a narrow entrance to the 

  • cavity
  •  to restrict the amount of molten plastic in order to improve filling in the cavity.


  • The restrictive gate has the following characteristics.


    • Generates shear heat by going through the narrow gate, raising the temperature of molten plastic and improving the filling in the cavity.

    • Reduces residual stress, and thus reduces part defect such as warp.

    • As the cooling solidification time is shortened, molding cycle is also shortened.

    • As the gate trace is less, it is possible to complete finishing process in a short time.

    The restrictive gate has the following types.


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