Molds & Tooling
4 görüntüleme
PA66 dynamic mold temperature application
Sorun Belirtisi
PA66 high-gloss appearance parts with conventional mold temperature always have weld lines and flow marks
Neden Analizi
Under constant mold temperature the melt front cools forming a condensation layer, flow marks and weld lines hard to eliminate; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Çözüm
High-gloss parts use rapid-heat rapid-cool dynamic mold temperature: mold surface rapidly heated above 130℃ before filling, rapidly cooled to set after filling; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
Dynamic mold temperature trades cycle and energy costs for high surface quality; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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