Injection Molding
5 조회수
Oil spots on EAA injection molded products
문제 현상
Oil spots appear on the surface of EAA injection molded products after demolding, release agent residue or lubricant exudation
원인 분석
Excessive or unevenly distributed release agent spraying; EAA internal lubricant stearic acid type exudes to the surface; mold lubricating oil seeps into the cavity
해결 방법
1) Reduce the amount of release agent or switch to dry film release agent; 2) Use internal lubricant instead of external release agent; 3) Seal the mold lubrication parts to prevent oil from seeping into the cavity; 4) Clean the product surface, remove the oil spots and then detect the source
핵심 요약
Oil spots are caused by external sources of release agent and lubricant; reducing release agent and sealing mold lubrication are the key
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