Molds & Tooling
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PS Product Demolding Draft Design
Problembeschreibung
Product demolding scratches occur frequently.
Ursachenanalyse
PS is very brittle and has strong gripping force, and ejection causes damage when demolding draft is insufficient.; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Lösung
①Demolding draft takes 1.5~2° or more; ②polish the cavity; ③balanced ejection; ④increase draft for deep-cavity parts.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
PS mold draft should take the upper limit; conservative demolding design is advisable for brittle materials.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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