Processing Machinery
7 görüntüleme
The wide temperature window of polyolefin plastomer PE raw materials makes process parameter optimization difficult
Sorun Belirtisi
The processing temperature range of PE materials is wide (180-230°C), and there is a lack of basis for how to select the optimal temperature in actual operation.
Improper temperature selection damages energy consumption, product quality, and production efficiency.
Neden Analizi
（1）The optimal processing temperatures of different PE grades are different
（2）The temperature setting lacks a systematic method
（3）Operators set the temperature based on experience
（4）The temperature is not optimized according to product characteristics and quality requirements
（5）The matching relationship between temperature and screw speed is unclear
Çözüm
（1）Establish a processing temperature database for each PE grade
（2）Optimize the temperature of each section through design of experiments (DOE)
（3）Appropriately raise the temperature to improve flowability when the product is thin-walled
（4）Appropriately lower the temperature to reduce shrinkage when the product is thick-walled
（5）Standardize temperature adjustment records and establish a file of optimal process parameters
Temel Çıkarım
PE temperature window optimization needs to be advanced from two aspects: systematic experiments and experience accumulation.
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