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Universal Cutting mill USM: High precision for the fine cut

The Universal Cutting mill USM granulates precisely and quickly material already pre-shredded. The results are defined, pure-grade granule sizes of secondary raw materials, which can be used for the production of new products.

The Universal Cutting Mill USM is especially suitable for the fine granulation for the recycling of used tires, plastics and cables and is mostly used as the final shredding step in a complete process. The machine shreds the material to 0-4 mm and thus breaks up the last remaining material composites. The individual fractions can e.g. subsequently be separated with a non-ferrous separator. The individual fractions like copper, aluminum and plastics are then available in a high purity and quality.

Operational principle

Similar to the operational principle of the Universal Granulator UG, the fine granulation in the Universal Cutting Mill USM is carried out with the shearing effect of rotor and stator knives. The “double helical cutting geometry” enables a precise cutting gap over the complete working width of the machine and ensures at the same time a power favorable cut. The granulation screen mounted underneath determines with variable hole sizes of 0-4 mm the granulation as well as the respective throughput.  Underneath the screen a collection tray is placed, from which the granules are pneumatically sucked off or transported with a discharge screw conveyor.

Input material

The Universal Cutting Mill USM is used for the fine granulation to granule sizes of 0-4 mm for the following material:

  • Aluminum and copper cables
  • Tire rubber
  • Plastics
  • PVC floors
  • Injection molding
  • Film waste
  • Paper

Benefits of the Universal Cutting mill USM

  • Precisely cut and homogenous final fractions
  • Robust machine construction, absorbs vibrations
  • Power favorable cutting geometry
  • Energy-saving drive with safety coupling system
  • Low space requirement, many possibilities to integrate in existing installations
  • Long lifetime of stator and rotor knives
  • Short downtimes due to fast knife changes
  • Quick change of screen due to integrated hydraulic folding device
  • Reinforced feeding shaft with safety systems and hydraulic opening for maintenance
  • Low wear due to tempered special steel
  • Protected rotor shaft, as it is placed outside of the grinding chamber
  • Good heat dissipation due to the use of solid, high quality steel
  • Constant development (last revision in 2015)
  • Wealth of experience in the fine granulation of all kinds of materials
  • Worldwide references
The Cutting Mill USM for fine granulation

The ANDRITZ MeWa Universal Cutting Mill USM is the last shredding step in the recycling process for perfect fine granulation.

Cutting unit of the USM

Cutting unit of the Universal Cutting Mill USM

Output fraction after USM treatment

Cable output fraction after treatment with the Universal Cutting mill USM



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