Injection Molding
7 مشاهدة
EMA Injection Molded Products Have Oil Spots
ظاهرة المشكلة
After demolding, oil spots appear on the surface of EMA injection molded products, mold release agent residue or lubricant exudation
تحليل الأسباب
Mold release agent sprayed too much or unevenly distributed; internal lubricant stearic acid type in EMA exudes to the surface; mold lubricating oil seeps into the cavity
الحل
1) Reduce mold release agent dosage 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 to remove oil spots and then detect the source
الخلاصة الأساسية
Oil spots are caused by external sources of release agent and lubricant; reducing release agent and sealing mold lubrication are key
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