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    Tel: +86-580-8050975, +86-580-8058618

    Fax: +86-580-8050162

    E-mail: screw@jmjxc.com

    Adds: No.18, Dafeng Road, Xihou Industrial Park, Zhoushan, Zhejiang, China

    Product
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    Extruder screw barrel

    Diameter: φ15-φ500

    L/D ratio:15-55

    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 

    Product classification:

    According to different ingredents and products the screw can be chosen: general type, pin type, barrier type, separation type, and gas-exhausting/vented type, etc.


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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  
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