ball mill

ball mill

Grinding Machine-Ball Mill

Ball mill, autogenous mill, semi-autogenous mill are widely used in many industries including electric power, ferrous metal and nonferrous metal, chemical and building materials. They are used for grinding ores or other materials into small formed materials. According to the structure and use types, there are overflow ball mill, grate ball mill, rod mill, autogenous mill and semi-autogenous mill.

NHI Group has began to manufacture various mills since 1950s. Especially in 1980s, NHI Group seized the opportunity of reform and opening-up policy to develop heavy mill series with proprietary intellectual property rights, collaborating with international famous company, introducing advanced technology and bringing innovation. NHI Group has developed new ball mill whose diameter reaches max 8m from 0.9m-3.6m in the past. For the autogenous mill and semi-autogenous mill, the diameter has changed from 4m-6m in the past to the max 12.2m.


  • Single-stage fine grinding
  • Regrinding
  • Second stage in two-stage grinding circuits
  • Followed by first, second and even third stage crushing


  • Automatic operation, which saves power
  • Variable speed capability
  • Very high drive efficiency
  • Low maintenance requirements


Questions? Enquiries? Ideas? Get in touch with NHI Group!