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Introduction To Designing Injection Molds
Original: | Author: Jasmine HL of DGMF | Publish Time: 2020-02-25 | 8477 Views | Share:
Plastic injection mold is the most widely used mold among all plastic molds nowadays, and it can mold complex high-precision plastic products. This article is just a rough introduction.

Introduction to designing injection molds--dgmf mold clamps co., ltd
Plastic injection mold is the most widely used mold among all plastic molds nowadays, and it can mold complex high-precision plastic products. This article is just a rough introduction.
Since it is a chain-like structure, the direction of plastic shrinkage during processing is also related to the orientation of the molecular chain of the polymer under stress and cooling shrinkage. The shrinkage in the flow direction is more than the shrinkage in the vertical direction.
Product shrinkage is also related to the product's shape, gate, thermal expansion and contraction, temperature, holding time and internal stress and other factors. Generally, the shrinkage range provided in the book is relatively wide. In practical applications, the thickness of the product, the structure, and the size and orientation of the temperature and pressure during injection molding are considered. If there is no core support for general products, the shrinkage will be larger. Plastic injection molds are basically divided into static molds and moving molds.