Molds & Tooling
5 görüntüleme
GPPS Product Ejector Whitening and Cracking
Sorun Belirtisi
The product whitens or even cracks during ejection.
Neden Analizi
GPPS is very brittle, and concentrated ejection force produces cracks; insufficient demolding draft and high gripping force from low mold temperature aggravate the problem.; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Çözüm
①Increase the number and area of ejector pins; ②ensure sufficient demolding draft; ③appropriately increase mold temperature; ④extend cooling to increase strength.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
The ejection system of brittle materials should be designed to higher standards; dispersing ejection force is the basic principle.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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