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Common Problems and Solutions of Injection Molding
2023-09-27
In the injection molding process, may be due to poor processing of raw materials, plastic parts or mold design is not reasonable, the operator did not master the appropriate process operating conditions, or due to mechanical reasons, often make plastic products short shot, dents, flash, trapped gas, cracking, warping and other molding defects.
In this paper, aiming at various injection molding defects in the molding process of plastic parts, mainly including short shot, trapped gas, brittle hair, burning, flash, delamination peeling, spray marks, flow marks, fog spots (gate halo), silver lines (water patterns), dents, weld marks, long molding cycle, warping and deformation, the possible causes of the problems are analyzed, from the raw materials, plastic parts or mold design, molding process and other aspects, put forward solutions.
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