Processing Machinery
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CEF machine cleaning difficult
Problem Phenomenon
CEF machine cleaning takes 2-3h, time-consuming and affecting the changeover efficiency
Cause Analysis
CEF has strong adhesion and forms a firm adhesion layer on the screw and barrel; CEF has poor thermal stability and becomes sticky at high temperature, making it more difficult to remove
Solution
1) Flush with high-viscosity PE before cleaning to take away the CEF residue; 2) Reduce the cleaning temperature below the softening point of CEF to reduce adhesion; 3) Use a special cleaning material
Key Takeaway
Difficult machine cleaning is caused by the strong adhesion of CEF; PE flushing and temperature reduction are the key
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