Electronic Models

When consistency and fineness matter most

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EXAKT Electronic Three Roll Mils
Performance

The electronic models were specifically designed for manufacturers who need extraordinary precision and control of particle dispersion. These units provide a means of achieving extremely precise particle size reduction/dispersion in a remarkably reproducible format. The Electronic models are great for product development, pilot plant projects, and small production runs.

  • Electronic models allow you to control the gap between the rollers in two modes: gap and force mode.
  • Gaps are continuously monitored and adjusted by the control system to maintain the pre-set value which also provides continuous, automatic roller alignment
  • Gaps can be independently set to simultaneously operate in either mode with independent monitoring and control in the mode selected
  • The operator can change the mode of gap control during operation
Highlights

  • Efficient – fewer multiple runs than the competition.
  • Fineness from micro to nano.
  • One-pass calibration – automatic adjustment of the base point and parallelism of the rollers.
  • Electronic display and documentation of processing parameters.
  • Scale-up from the laboratory to production.
Electronic Features

Programmability and scale-up:

  • Operational parameters can be stored in programs including sub-programs for products requiring multiple process runs.
  • Roller speed and gap settings can be set in either gap or force mode.
  • The control system will default to the last program run on the mill when the main power supply is turned on.
  • EXAKT DataLog software (optional) allows users to transmit real-time operating parameters via a USB interface.
  • View real-time analysis of the dispersion process
Safety

  • All three toll mill electronic models meet or exceed the safety requirements specified in ANSI.
  • Cleaning mode – the mill defaults to the maximum gap spacing and minimum torque.
  • Reverse roller direction – Once activated, movement in the reverse direction is controlled in steps until the foreign object can be removed from between the rollers.
  • Emergency stop function – in the event of emergency stop activation, the rollers are automatically opened to the widest possible gap.
Roller Options

For optimum results, we offer a range of roller materials for your three roll mill. Our experts can help you chose which material is best for your application. We also provide scraper knives in a range of materials suitable for the application and roller material used.

Components


  • Cooling and heating capability in the roller system
  • Stainless steel hopper
  • Universal scraper system
  • Splash tray to facilitate cleaning

Options


  • PFA Coating on scraper aprons and hoppers
  • EXAKT Datalog software
  • Pressurized heating/cooling of rollers – optional on 80E Plus, Standard on 120 EH – 250 & 450
  • Additional safety stops

Applications


  • Ceramics
  • Composites
  • Cosmetics
  • Dental Materials
  • Electronic Materials
  • Inks

Technical Specifications


Electronic Series

MODELS
80E Plus
120EH-250
120EH-450
Throughput liters/hour (min. – max.)* 0.02 – 20 0.5 – 30 1-60
Roller diameter mm 80 120 120
Roller lenthmm 200 250 450
Roller speed ration
n1: n2: n3
9:3:1 9:3:1 9:3:1
Roller material chrome-plated hardened steel

aluminum oxide-optional super finish available

silicon carbide

tungsten carbide coated

chrome-plated hardened steel

aluminum oxide-optional super finish available

silicon carbide

chrome-plated hardened steel

aluminum oxide-optional super finish available

silicon carbide

Universal scraper system (optional PFA coating) standard standard standard
Scraper knife material steel, plastics, aluminum oxide, zirconium oxide, composite steel, plastics, aluminum oxide, zirconium oxide steel, plastics, aluminum oxide, zirconium oxide
Frequency converter Speed control** motor output kW 1.3 3 3
Rollers which can be cooled and heated up to 60 C standard standard standard
Solvent dispenser optional standard standard
Explosion protection N/A N/A N/A
Dimensions mm (width x depth x height, with scraper system and hopper) 772 x 600 x 602 870****
x 950 x 1320
1070****
x 950 x 1320
Weight kg. ca. 70 ca. 320 ca. 390
Power supply *** 3 x 200-240 V/60 Hz 3 x 200-240 V/60 Hz 3 x 200-240 V/60 Hz
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