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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

      Half-ring gear

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      Half-ring gear

      Spur gear ring

      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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