Molds & Tooling
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PC/ABS warpage
Problem Phenomenon
Parts warp and deform after demolding.
Cause Analysis
Uneven cooling causes inconsistent shrinkage; low mold temperature or insufficient cooling time both aggravate warpage.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Solution
①Raise mold temperature; ②extend cooling time; ③balance cooling water channels; ④optimize gate position.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PC/ABS warpage relies on mold temperature and cooling management; uniform cooling is the core.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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