Processing Machinery
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Internal Unmelted Particles of CMC
Problem Phenomenon
Unmelted transparent or translucent particles appear inside CMC products
Cause Analysis
Screw plasticizing capacity is insufficient and temperature is low; feeding amount is too large, exceeding plasticizing capacity; CMC melting temperature is high
Solution
1)Increase processing temperature to ensure full melting; 2)Reduce feeding amount to match plasticizing capacity; 3)Increase screw mixing section
Key Takeaway
Unmelted particles are caused by insufficient plasticizing; increasing temperature and reducing feeding are the key
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