Injection Molding
7 görüntüleme
ABS multi-stage injection application
Sorun Belirtisi
[Problem phenomenon] ABS single injection speed, jetting and short shot problems alternate
Neden Analizi
Multi-stage injection: slow speed at gate to prevent jetting, fast filling in the middle section, slow speed at the end for venting to prevent burnt; complex parts have finer staging; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
Çözüm
Adopt speed curves of three stages or more; slow at gate, fast in middle, slow at end; adjust switch points according to structure; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
ABS multi-stage injection slow entry, fast middle, slow finish; 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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