good service, high quality steel, screw and barrel for extrusion line
screw and barrel in high quality steel, CNC computer control machine in FANUK series, nitriding treatment made by ourself
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
