Molds & Tooling
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ASA mold temperature front and rear mold independent
Problem Phenomenon
[Problem phenomenon] ASA uneven wall thickness products warp, single mold temperature cannot accommodate both
Cause Analysis
Products with large wall thickness differences have uneven front and rear mold cooling causing warpage; independent temperature control of front and rear molds can compensate by wall thickness: thick side cooling down to accelerate cooling, thin side heat preservation; during on-site investigation, verify item by item according to this mechanism, avoid blindly adjusting the machine based on experience alone
Solution
Wall thickness difference parts equipped with front and rear mold independent temperature control; thick side low temperature thin side high temperature; temperature difference debugged according to warpage direction; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
ASA wall thickness difference uses front and rear mold independent temperature control, thick cooled thin kept warm; after confirming effectiveness, solidify 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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