Extrusion & Post
8 görüntüleme
Process connection problems when switching production between different processing methods of general-purpose polyethylene general-purpose polyethylene
Sorun Belirtisi
When switching from one processing method to another (such as injection to extrusion), the product quality fluctuates greatly, and a long debugging time is required.
Poor process connection affects production efficiency and product quality.
Neden Analizi
（1）Different processing methods have different material requirements (MFR, molecular weight, etc.)
（2）The parameter settings do not match after equipment conversion
（3）The operators are not familiar with the other processing method
（4）Raw material batch differences are superimposed on the changeover adjustment
（5）The preparation before the changeover is insufficient
Çözüm
（1）Establish a changeover operating procedure, clarifying the process parameter range for each processing method
（2）Prepare suitable material grades before the changeover
（3）The operators are trained in multiple processing methods
（4）During the changeover, do a small batch trial production first, and mass produce after passing the inspection
（5）Establish material processing adaptability archives
Temel Çıkarım
The changeover connection needs to be planned in advance and fully prepared, and the key is to clarify the differentiated requirements of different processing methods for materials.
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