Twin screw extruder barrel alignment,twin screw barrel extruder,screw barrel pvc extruder-Xingya machinery

Twin screw extruder barrel alignment

Diameter: φ45-φ200

L/D ratio:16-35

Tempering:HB280-320

Nitrided hardness: 950-1100HV

Nitrided layer depth:0.50-0.80mm

Nitrided brittleness: ≤2 level

Surface roughness: Ra 0.4μm

Bimetallic layer depth: ≥3mm

Bimetallic hardness: HRC58-65

Diameter: φ45-φ200 （according to customers demands)
L/D ratio:16-35
The compression ratio of screw can be designed according to different products and mixtures.
Technical Parameter:
Hardness After Hardening & Tempering:HB280-320
Nitrided hardness: 950-1100HV
Nitrided layer depth:0.50-0.80mm
Nitrided brittleness: ≤ level 2
Surface roughness: Ra 0.4μm
Linearity of screw: 0.015mm/m
Bimetallic layer depth: ≥3mm
Bimetallic hardness: HRC60-72
Hard-chrome plating hardness after nitriding: ≥950HV
Chrome-plating layer depth: 0.025~0.10mm

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Twin screw extruder barrel alignment

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