International Processing Trade Fair for Powder, Bulk Solids, Fluids and Liquids

23 - 25 September 2025 // Nuremberg, Germany

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Exhibitors & Products POWTECH 2023
Zoom Image LOGO_Industrial Grinder WMC

Industrial Grinder WMC

LOGO_Industrial Grinder WMC

Industrial Grinder WMC

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Industrial Grinder WMC

The chemical grinder WMC allows a size reduction with a narrow particle size distribution, without dust. The narrow particle spectrum is achieved by a continuous pressure-shear stress between two corrugated rolls and a defined roll gap.

Roller grinding mills WMC crush soft, brittle to tough-hard products, e.g:

  • Superabsorbents
  • Urea
  • Polyacrylate
  • Calcium sulphate
  • Pectin
  • Ammonium bicarbonate - 
  • Polymer 
  • Potash
  • Phenoplastics
  • Ammonium nitrate
  • Tablet breakage
  • Electronic scrap

Product feed/ Dosing

  • Uniform feeding over the entire roll length is ensured by a roll metering device or alternatively by a vibrating conveyor trough.
  • Power infinitely variable
  • Viewing window for control of the product flow
  • Dust-tight

Grinder sections

  • Main drive via V-belt and spur gear
  • Roller drive via constant velocity drive shafts
  • Product-specific corrugated rollers
  • Servo motors for roll gap adjustment
  • Disengaging of the rolls in case of external passage and readjustment of the required roll gap
  • Quick release of the rollers
  • Interchangeable drive modules. Drive power up to 30 kW per section depending on requirements
  • Smooth interior surfaces
  • Dust proof

Design and options

  •  All parts in contact with the product are made of stainless steel, material no. 1.4571
  • Electrical switch cabinet with visualization
  • Explosion protection version
  • high Cr-alloyed rolls
  • Cooling rollers
  • Potential equalisation against static charge
  • Contact-free roll sealing
  • Aspiration connection
  • Connection for inert gas supply
  • Permanent magnet above the rollers
  • Technically gastight design

Performance range

5 roll lenghts: 700 - 1000 - 1400 - 1500 - 1700 mm
Roll diameter: 250 mm

The sectional design results in the following combinations:

  • Type WMC 1 – one  grinding passage
  • Type WMC 2 – two grinding passages
  • Type WMC 3 – three grinding passages
  • Type WMC 4 – four grinding passages

POWTECH offers concrete solutions for packaging-intensive industries. Industry guide


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