Production & Quality
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Cooling and sizing parameters affect product dimensions and surface quality
Problem Phenomenon
Cooling and sizing parameters affect product dimensions and surface quality
Cause Analysis
Cooling water temperature too high, insufficient sizing
Uneven cooling water distribution, sizing differences
Improper sizing sleeve dimensions, product dimensional deviation
Insufficient cooling length, product not fully sized
Cellulose acetate butyrate crystallinity requires controlling the cooling rate
Solution
Control cooling water temperature 15-25°C
Evenly distribute cooling water
Reasonably design sizing sleeve dimensions
Ensure sufficient cooling length
Control cooling according to cellulose acetate butyrate crystallization characteristics
Key Takeaway
Cooling and sizing need to be controlled according to material characteristics
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