conical twin screw-barrel for wood mahcine

conical twin screw-barrel for wood mahcine, 1.Materials:38 CrMoAIA( JIS SCM645),42CrMo(JIS SCM440),SKD61, 2.high technics - details see: https://www.machineto.com/conical-twin-screw-barrel-for-wood-mahcine-10358036
Place of Origin:Zhejiang China (Mainland)Brand Name:JWW05Model Number:twin screwMaterials:38 CrMoAIA( JIS SCM645),42CrMo(JIS SCM440),SKD61
Depth of nitration case:0.5-0.8mmHardness of nitration:800-1050HVFragility of nitration::Less than grade 1Roughness of the surface::Ra 0.4um
Linearity of the screw::0.015mm   
conical twin screw-barrel for wood mahcine
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conical twin screw-barrel for wood mahcine

1.Materials:38 CrMoAIA( JIS SCM645),42CrMo(JIS SCM440),SKD61

2.Depth of nitration case:0.5-0.8mm

3.Hardness of nitration:800-1050HV

4.Fragility of nitration: Less than grade 1

5.Roughness of the surface:Ra 0.4um

6.Linearity of the screw:0.015mm

7.Chromium-plating layer thickness:0.03-0.08mm

8.Hardness of double alloys: HRC55-62

9.Depth of double alloys:>2 mm

10. The surface hard chromium plating hardness after nitrogenation:>=950HV

11. Guarantee: Common Nitrided: approx 2 years Bimetallic : much longer lifetime

conical twin screw-barrel for wood mahcine
Packaging Detail:wooden box
Delivery Detail:25days

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