Injection Molding
8 görüntüleme
ASA Surface Defect Formation Mechanism
Sorun Belirtisi
ASA surface herringbone uneven haze steps, flow instability.
Neden Analizi
ASA '2079851475616104452 surface defects are formed by flow instability; recoverable shear strain, shear stress and mold wall friction coefficient are the key control variables; herringbone uneven haze and steps; melt slip instability.
Çözüm
①Shear strain control; ②shear stress management; ③mold wall friction optimization; ④injection speed; ⑤mold temperature uniformity.; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Temel Çıkarım
The flow instability of ASA surface defects is the academic mechanism; three-element control is the treatment direction; process optimization is based on the mechanism.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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