Molds & Tooling
5 görüntüleme
Mold sticking and scratching of PP products
Sorun Belirtisi
The product adheres to the core and is scratched during demolding, prominent in deep-cavity parts.
Neden Analizi
Low mold temperature makes PP grip the core tightly; insufficient draft angle or rough surface increases the demolding resistance.; during on-site investigation, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Çözüm
①Appropriately increase the mold temperature; ②increase the draft angle; ③polish the cavity; ④balance the ejection system.; after adjustment, continuously sample and verify the effect, and resume mass production after confirming stability
Temel Çıkarım
Mold sticking is solved from both the gripping force and the demolding structure; draft angle and polishing are the design guarantee.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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