无码aⅴ_9999视频_91人人人操_成人黄色电影在线

无码aⅴ_9999视频_91人人人操_成人黄色电影在线

无码aⅴ_9999视频_91人人人操_成人黄色电影在线_中文三级AV片_人人操人人妻人人爽_A片一级片高清无码

<dfn id="yz9jp"></dfn><center id="yz9jp"><var id="yz9jp"><font id="yz9jp"></font></var></center>

    <strong id="yz9jp"></strong>

    <nav id="yz9jp"><tt id="yz9jp"></tt></nav>

    Helical gear

    1. Home
    2. > Products > Gear Ring / Gear Wheel > Helical gear

    Helical gear

    Spiral gear ring

    Description

    Gear is the component installed on the drum body of the drum drive equipment, such as ball mill, rod mill, coal mill, etc; Rotary dryer, rotary kiln, cooling machine, granulator, mixer and other equipment. It is suitable for cement, mining, chemical, metallurgy, electric power and other industries.

    The processing size is Φ300 ~ 2500mm,
    Modulus M: 14-60
    Used in mills or mixers, etc
    Can be customized according to drawings

    China GB Standard:
    34CrNiMo: HB 260-320, HRC 58-63
    34CrNi3Mo: HB 260-320, HRC 58-63
    17Cr2Ni2Mo: HRC 58-63
    20CrNiMoA: HRC 58-63
    20CrMnTi: HRC 58-63

    German DIN:
    34CrMiMo6V: HB 260-320, HRC 58-63
    30CrMiMo8V: HB 260-320, HRC 58-63
    17CrNiMo6: HRC 58-63
    20NiCrMo2-2: HRC 58-63
    16MnCr5: HRC 58-63

    German standard material:
    JS1050-6 (ADI): HB300 ~ 375

    无码aⅴ_9999视频_91人人人操_成人黄色电影在线
    <dfn id="yz9jp"></dfn><center id="yz9jp"><var id="yz9jp"><font id="yz9jp"></font></var></center>

      <strong id="yz9jp"></strong>

      <nav id="yz9jp"><tt id="yz9jp"></tt></nav>
      一区二区不卡| 6 9桃色A V| 99久久黄色片子三级| 黄色动漫AV| 色色婷婷五月天| 一级无码A片| 91九九香蕉超碰| 日韩特级无码| 日本大香蕉久久视频在线| 日韩久久在线| 一区AV免费看| 日韩A片视频在线观看| 国内的黄色a片| 五月天亚洲91| 黄色潮吹香蕉网站| 久久久免费日韩毛片观看| 草榴AV在线播放| 一级片网| 毛片a片三级片免费看| 91黄色色情| 影音先锋五月天资源| 日韩免费av在线| 超碰久操| 欧美久久免费视频| 东京热性爱电影| AV免费在线播放网站| 欧美日韩免费777| 久艹影音在线| 一级无码黄色AV| 成年人啊啊免费观看视频| 手机版AV在线| 91av手机在线| 国产日韩黄色av电影| 日韩无码波多野结衣| 黃色一级A片一級片| 99婷婷导航| 毛片精品无码| 毛片三级片| 搞清视频中国黄色| 一级韩免费毛片| 国产一级A片免费看|