The parting surface is the joint surface of the mold for taking out the product in the process of injection molding. An important factor that decides the structural form of the mold, it is related to the overall structure of the mold, the design of the pouring system, the demoulding of the plastic parts and the manufacturing process of the mold.

Selection principle of parting surface:
A. The maximum contour of the plastic part, otherwise the product cannot be taken out
B. It is conducive to the smooth demoulding of the plastic parts and prevents the suction of the front mold
C. It is conducive to ensuring the precision requirements of plastic parts
D. Meet the appearance quality requirements of the product
E. Facilitate mold processing and manufacturing
F. Good for exhaust