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Parallel twin screw barrel

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Alloy bushing

Date of issue:10-15

Alloy bushing

Date of issue:10-15
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Service hotline:0086-580-8055288
Product introduction


Product specification:
 
Px-62 ~ 200 aspect ratio: L/D = 18 ~ 25
 
The screw compression ratio is designed according to different raw materials and products
 
Product introduction:
 
It can be used to process PVC pipes, profiled materials, plates (sheets), modification and granulation of soft and hard PVC
 
Technical indicators:
 
High quality 38 crmoala is selected as the material
 
Surface hardness: HV: ≥ 290
 
Nitriding hardness: HV950 ~ 1000
 
Nitriding depth: 0.45-0.7mm
 
Nitriding brittleness: ≤ grade 1
 
Surface roughness: Ra0.4
 
Screw straightness: 0.015mm
 
Hardness of surface chromium plating after nitriding: ≥ 900HV
 
Chromium plating thickness: 0.05 ~ 0.10 mm
 
Hardness of double alloy: 60-70HRC