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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

      Spur gear ring

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      Spur gear ring

      Spur gear ring-3

      Description

      The ring 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.

      Processing size Φ500 ~ 12000mm,
      Modulus M: 16-60
      Can be customized according to drawings

      China GB Standard:
      ZG270-500: HB229 ~ 269
      ZG310-570: HB240 ~ 290
      ZG35CrMo: HB220-269
      ZG42CrMo: HB240-290

      German DIN:
      Gs-52. 3: HB229-269
      Gs-60. 3: HB240-290
      Gs-25CrMo4V: HB229-269
      42CrMo4V: HB240-290

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

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