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    2. 狼友黄色电影_无码影音_新久久久久久免费看_日韩视频一本

      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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