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

26 - 28 September 2023 // Nuremberg, Germany

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Exhibitors & Products POWTECH 2023
Zoom Image LOGO_Rollermill WBP

Rollermill WBP

LOGO_Rollermill WBP

Rollermill WBP

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-For coarse and fine grinding with frequent grinding gap changes
-Suitable for a wide range of hard materials from A to Z
-Throughput capacity up to 150 t/h*
-Feed grain size up to 350 mm*
-Target grain size from 0.1 mm*
-Grinding ratio 5:1, i.e. feed grain size approx. 50 mm, target grain size approx. 10 mm
-Roller diameter from 200 to 1000 mm
-Roller length from 100 to 1600 mm
-Motor power input 2 to 55 kW

Standard scope of delivery

• Sturdy welding construction made from normal steel S235JR
• Protection against foreign objects via one spring loaded roller
• Roller material C45, surfaces hardened to HRC 56-58
• Smooth roller surface
• Four-part mill casing, closed
• Material inlet and outlet adapted to upstream and downstream process
• Dust output minimised using dust slide with seal and suction

• Grinding gap can be manually adjusted using thread with scale (0.1 mm separation)
• Manual threaded clamping
• Motors 400 V, 50 Hz, 3p, IP55, suitable for frequency inverter operation
• Dust exhaust connection (2 x 80 mm diameter, volume flow 360 m3/h)
• Roller speed monitoring (sensors without evaluation)
• Wiring up to terminal block (on machine)


• Material feed available as e.g. roller feeder, vibration chutes or bunkers

• Material outlets via screeners, vibration chutes

• Grinding cycle with return feed

• Profiled roller surface

• Rollers made from various steel types, Hardox coating, ceramic, etc.

• Lining e.g. made from stainless steel, wear‑resistant, non-stick, etc.

• Motors in special voltages

• Explosion-proof model (mechanical and electric)

• Protective gas flooding

• Roller cooling for removing heat from feeder material and grinding process

• Digital grinding gap adjustment with “formula management”

• Threaded clamping via hydraulics or circulating roller spindle

• Automated bearing lubrication

• Doctor blade for “cleaning” rollers

• Reversing feature

• Wiring up to control cabinet on customer side or complete controls

• Special paint

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


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