Injection Molding
12 görüntüleme
PLA '2079851475616104452 short shot
Sorun Belirtisi
Thin-walled products are incompletely filled.
Neden Analizi
PLA melt viscosity is relatively high and fluidity is limited; low temperature or too small gates aggravate short shots.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Çözüm
① Appropriately increase melt temperature; ② select high-flow grades; ③ enlarge gates and runners; ④ increase injection speed and pressure.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
PLA short shots are improved by temperature and grade; pay attention to the temperature rise upper limit to prevent degradation.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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