Injection Molding
5 مشاهدة
ASA injection pressure baseline
ظاهرة المشكلة
[Problem phenomenon] ASA filling pressure insufficient short shots, overpressure causes flash and internal stress
تحليل الأسباب
ASA injection pressure 700-1400bar (70-140MPa), conventional 72MPa level can satisfy most products; high viscosity grades and thin-wall parts take the upper limit, pressure as low as possible to reduce internal stress
الحل
Set within the 70-140MPa window; gradually reduce pressure under the premise of satisfying filling; internal stress sensitive parts holding pressure synchronously optimized; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
الخلاصة الأساسية
ASA injection pressure 70-140MPa, as low as possible to preserve internal stress; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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