Parallel twin screw barrel

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Parallel twin screw barrel

Date of issue:09-17

Parallel twin screw barrel

Date of issue:09-17
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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