Molds & Tooling
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CMC Angle Deviation
Problem Phenomenon
Angle deviation of CMC products >1° exceeds the ±0.5° tolerance
Cause Analysis
Uneven shrinkage causes angle changes; mold angle design does not consider CMC shrinkage compensation; product deforms during demolding
Solution
1)Pre-compensate mold angle for CMC shrinkage; 2)Extend cooling time to ensure setting before demolding; 3)Uniform cooling to reduce shrinkage differences
Key Takeaway
Angle deviation is caused by shrinkage and insufficient design compensation; pre-compensation is the key
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