Extrusion & Post
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Metallocene linear low density polyethylene metallocene linear low density polyethylene process transition problems when switching production between different processing methods
Problembeschreibung
When switching production from one processing method to another （such as from '2079851475616104452 to extrusion）, product quality fluctuates greatly and long debugging time is required.
Poor process transition affects production efficiency and product quality.
Ursachenanalyse
（1） Different processing methods have different material requirements （MFR, molecular weight, etc.）\
（2） Parameter settings do not match after equipment conversion\
（3） Operators are not familiar with the other processing method\
（4） Raw material batch differences superimposed on production-switch adjustments\
（5） Insufficient preparation before production switch
Lösung
（1） Establish production-switch operating procedures, clarifying the process parameter range for each processing method\
（2） Prepare suitable material grades before production switch\
（3） Operators trained in multiple processing methods\
（4） At production switch, first do small-batch trial production, and start mass production after passing inspection\
（5） Establish material processing adaptability records
Wichtigste Erkenntnis
Production-switch transition requires advance planning and adequate preparation; the key is to clarify the differentiated material requirements of different processing methods.
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