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Bimetallic Screw Barrel For Extruder
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Zhoushan Weida Machinery Co., Ltd.
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Product description
38crmoala screw and barrel for extruder machine
1.Size: screw diameter:Φ20-Φ500mm
Maximum screw length:10000mm
Barrel inner bore diameter:Φ500mm
2.Materail: A. 38crmoala in high quality
B. alloy steel in high quality
3.Technology: A. nitriding treatment
B. alloy coating spraying
C. heating treatment
D. screw fully hardening
E. vacuum quenching
F: electroplate hard chrome
4.Technical parameter: A: depth of nitrition layer: 0.6-0.8mm
B: nitriding treatment for 7 day and night, surface hardness HV>900
C: fragility of nitriding: less than grade 1
D: surface roughness: ra0.4um
E: streightness of screw: 0.015mm
F: depth of bimetallic layer>2mm
G: hardness of alloy platig: HRC 62-72
H: surface of hardness of chrome coating layer: HRC 62-72
I: thickness of chrome coating layer: 0.03-0.06mm
5. Application:
We can design and manufacture various kinds of screw barrels according to the customer's requirement
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