Analysis of the Causes of the Shock Pattern of Injection Molding Products

Reasons for the vibration of injection molded products Analysis hotline 13711965595 PS and other rigid plastic parts on the surface near the gate, forming a dense corrugation centered on the gate, sometimes called the shock pattern. The reason is that when the melt viscosity is too large and the mold is filled in a stagnant form, the front end material will quickly condense and shrink when it contacts the surface of the cavity, and the later melt expands the contracted cold material to continue the process. Constant alternating causes the stream to form a surface grain in the forward direction.
Solution:

(1) Increase the barrel temperature, especially the nozzle temperature, and increase the mold temperature.

(2) Increase the injection pressure and speed to quickly fill the model cavity. Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn

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