Extrusion & Post
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Process Connection Problems When Switching Production Between Different Processing Methods of High-Density Polyethylene High-Density Polyethylene
Problembeschreibung
When switching from one processing method to another (such as injection to extrusion), the product quality fluctuates greatly and requires a long debugging time.
Poor process connection affects production efficiency and product quality.
Ursachenanalyse
（1）Different processing methods have different material requirements (MFR, molecular weight, etc.)
（2）The parameter settings do not match after equipment conversion
（3）Operators are not familiar with the other processing method
（4）Raw material batch differences are superimposed on production switch adjustments
（5）Insufficient preparation before the production switch
Lösung
（1）Establish production switch operating procedures, clarifying the process parameter range for each processing method
（2）Prepare suitable material grades before the production switch
（3）Operators are trained in multiple processing methods
（4）When switching production, first conduct small-batch trial production, and proceed to mass production after passing the inspection
（5）Establish material processing adaptability archives
Wichtigste Erkenntnis
Production switch connection needs advance planning and full preparation, and the key is to clarify the differentiated material requirements of different processing methods.
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