Bemould Plastic News

We will periodically update Bemould's latest updates, sharing our work experience with all the person in need ,and to answer the most common topics and questions that come up when working on new plastic part designs.

PC transparent products - success case sharing

 Tuesday, 08 June 2021

The material of the product is PC makrolon2858, three-point hot runner side gates. There are obvious molding defects and cold material marks near the gate of the product surface in the first mold test. See the arrow for details .

Optimization scheme 1: molding process adjustment, multi-stage injection, according to the first stage slow, the second stage fast, the third stage slow, repeated adjustment has no obvious effect.

In optimization scheme 2, the gate size was increased, and the side gate was changed into sub- gate According to the same injection process, the effect is obviously optimized.

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