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  • CContact Us

    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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    Conical twin screw barrel

    45/90, 45/100, 50/105, 51/105, 55/110, 55/120, 58/124, 60/125, 65/120, 65/132, 68/143, 70/135, 70/140, 75/150, 80/143, 80/156, 92/188

    The above are standard specifications, we can customize according to customers’ requirements.

    The compression ratio of screws can be designed according to different products and mixtures.

    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

    Copyright 2022 © 舟山市定海金锚塑化机械制造厂单位门户网站Zhejiang Huamao Machinery Co., Ltd./Zhoushan Jinmao Machinery Factory All Rights Reserved. 浙ICP备15025201号

    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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