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:: triple roller mills
As one of the leading manufacturers EXAKT has developed and produced triple-roller mills for scientific laboratories and limited production for more than 50 years.

EXAKT offers a wide range of products from ointment mills for pharmacies (EXAKT 50) to the highly efficient precision machine (EXAKT 120H/HF) for processing the most difficult materials in development, laboratories and production.

In just one working cycle, it is possible to disperse and homogenize substances, to reduce the particle size and to break up agglomerates. The result is a homogenous paste forming the perfect basis for further processing.

The roller gap is adjustable. Gap adjustment is performed using one handwheel per gap. This ensures perfect roller parallelism - regardless of gap width. A springtensioned scraper socket ensures a constant contact pressure of the scraper knife without the need for readjustment during operation.

The minimum gap between the rollers is 3 to 5 µm. Thus, a large number of different roller materials can be used. The choice of roller and scraper materials - from hard-chromium-plated steel to aluminium oxide of zinconium oxide - meets all requirements.

The EXAKT safety devices on the triple roller mill guarantee maximum safety for the operator. The machines can be cleaned easily and extremely rapidly.

Areas of application:

The triple-roller mils are used for intensive fine grinding, dispersion and homegenization of pasty masses to free-flowing materials.
  • Ceramics and glass colors
  • Printing inks
  • Electronics
  • Cosmetics
  • Food
  • Dental fillings, dental impression masses
  • Greases
  • Ceramic masses
  • Ointments
The EXAKT Triple-Roller Mills are available in three different model series:

The Basic models EXAKT 50, EXAKT 80 and EXAKT 120 achieve a product fineness of about 20 µm.

The Superfine models (S models) EXAKT 80S, EXAKT 120S, EXAKT 120S-450 achieve the highest product fineness in the range of 1 to 9 µm.

The High-performance models (H/HF models) EXAKT 120H/HF, EXAKT 120H/HF-450 achieve the product fineness which can be compared to that of the S models, i.e. 1 to 9 µm. The variable friction system (HF HIgh Friction) allows highly viscous and extremely tough products to be processed and the volume throughput to be increased during production.

All advantages at a glance:
  • Ceramics and glass color
  • Large variety of roller materials
  • Large variety of scraper materials
  • Constant contact pressure of the scraper knife
  • Fully ceramic system
  • Easy gap adjustment
  • Parallel roller gap
  • Speed control (option)
  • Water cooling (option)
  • Service opening for roller adjustment (as of EXAKT 80S)
  • High level of operating safety
  • Easy cleaning