Production & Quality
12 görüntüleme
The sizing sleeve directly affects the pipe outer diameter accuracy and surface quality
Sorun Belirtisi
The sizing sleeve directly affects the pipe outer diameter accuracy and surface quality
Neden Analizi
The inner diameter of the sizing sleeve does not match the pipe outer diameter, dimensional deviation
The cooling water distribution of the sizing sleeve is uneven, local overcooling or overheating
The sizing sleeve surface is rough, pipe surface scratched
The sizing sleeve length is insufficient, the pipe is not fully sized and deforms
Cellulose acetate butyrate shrinkage rate 0.4-0.6% requires precise calculation of sizing sleeve dimensions
Çözüm
Calculate the sizing sleeve inner diameter based on the 0.4-0.6% shrinkage rate and extrusion dimensions
Evenly distribute the sizing sleeve cooling water
Polish the inner surface of the sizing sleeve
Ensure the sizing sleeve length is sufficient
Regularly check sizing sleeve wear
Temel Çıkarım
The sizing sleeve requires precise dimensions and uniform cooling
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