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    Location:Home > company news
    Extruder screw barrel technical indicators
    Author:admin  From:the Internet  Time:2014-12-28 10:37:24  Click:3983

    Technical Specifications:

    Material selection of high-quality aluminum chromium molybdenum 38 (38CrMOALA) quenched hardness: HB240 ~ 280

    Nitriding hardness: HV≥850

    Nitriding depth: 0.45 ~ 0.80mm

    Nitride brittleness: ≤ two

    Surface roughness: Ra0.4

    Screw straightness: 0.015mm

    Hard chrome plated surface after nitriding degree: HV≥900

    Chrome plating thickness: 0.03 ~ 0.10mm

    Dual alloy hardness: HRC56 ~ 65 (alloy nickel-based alloys)

    Alloy Depth: 1.2 ~ 3.0mm

     

    All rights:Zhoushan City Weida Machinery Co.,Ltd. Add:No.2 Road Dinghai District Jintang Town,Jinshan Industrial District,Zhoushan City 浙ICP備13024562號 Technical support:93BAIDU
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