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Specification:
Parallel twin screw diameter: Φ 18-Φ 177mm
The building block screw consists of core spindle and several hollow screw segments which can be replaced easily for different materials. The mixing components adopts building block type, which can be mounted and replaced conveniently. Such design makes it possible to process several kinds of materials with one screw.
Technical Parameter:
Hardness After Hardening & Tempering:HB280-320
Nitrided hardness: 950-1100HV
Nitrided layer depth:0.50-0.80mm
Nitrided brittleness: Less than 2 level
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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Keywords: Extruder screw barrel   Injection screw barrel    Rubber screw barrel   Conical twin screw barrel   Parallel twin screw barrel   Bimetallic screw barrel   Planetary screw barrel   Segment screw barrel   Extruder and production line