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无码aⅴ_9999视频_91人人人操_成人黄色电影在线

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    Spiral gear ring

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    Spiral gear ring

    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

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