Molds & Tooling
6 مشاهدة
EMA length out of tolerance
ظاهرة المشكلة
EMA product length deviation >±0.5mm, exceeding tolerance
تحليل الأسباب
EMA shrinkage rate unstable, fluctuating ±0.5%; mold dimension design did not consider shrinkage compensation; insufficient cooling with dimensions not stabilized
الحل
1) Precisely measure EMA shrinkage rate and compensate the mold; 2) Cool sufficiently to ensure dimensional stability; 3) Annealing treatment to eliminate post-shrinkage
الخلاصة الأساسية
Length out of tolerance is caused by unstable shrinkage rate; precise shrinkage compensation is key
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