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Segment screw barrel

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: HV850-1000

Nitrided layer depth:0.50-0.80mm

Nitrided brittleness: ≤ Grade Ⅱ

Surface roughness: Ra 0.4μm

Linearity of screw: 0.015mm

Bimetallic layer depth: ≥2mm

Bimetallic hardness: HRC60-72

Hard-chrome plating hardness after nitriding: ≥900HV

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