Molds & Tooling
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PETG mold cooling water channel design defect, local hot spots
Problem Phenomenon
Insufficient cooling in local mold areas produces hot spots, where the product cools slowly and shrinks more.
Cause Analysis
Cooling water channels insufficient or clogged causing local insufficient cooling, water channel design unreasonable.
Solution
Use conformal cooling water channels; regularly clean the water channels; check temperature distribution with an infrared thermal imager.
Key Takeaway
PETG mold cooling uniformity is crucial to product quality.
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