Mikro ACM® Air Classifying Mill

The Mikro ACM® Air Classifying Mill is an air swept mechanical impact mill with a dynamic air classifier designed to grind an extensive range of materials down to a D97 < 20 µm. 

Design & Options:

  • Grinds and Classifies down to D97 < 20 µm
  • Available in 15 model sizes from 1 HP up to 600 HP
  • Models for small batches & large production systems
  • Narrow particle size distributions
  • Pressure shock resistant models available
  • Special easy to clean designs available
  • Can operate with heated air for flash drying
  • Wear options include stainless steel, ceramic or tungsten
  • Compact and space-saving designs
  • Economical and efficient milling system
  • Suitable for Chemical, Mineral, Food & Pharmaceutical Materials

Mikro ACM® Air Classifying Mills were invented by HMPS in the late 1960’s and are one of the most versatile types of size reduction equipment available in the market. These units while being capable of producing fine, medium and coarse grinds for a wide variety of materials for Food, Pharmaceutical, Chemical and Mineral industries, require very little maintenance over their life span. The basic design of these mills is the impact size reduction that is coupled with an internal dynamic classifier which controls the outlet (product) particle size via recirculating the coarse particles back into the grinding zone.

There are seven main factors which determine particle size distribution for the Mikro ACM® Air Classifying Mill. When varied, the rotor type and speed combined with the liner and hammer count affects the production of fines. The separator type and speed affects the top size of the product. And lastly, the airflow governs the throughput as well as top size and fines generation. With the endless available options a machine can be configured to process just about any material that is below MOH’s hardness of 5.

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