MVM BM 650 / 850

Grinding machine for sharpening planer knives.

The BM series is a versatile small knife grinding machine.

The BM model grinding machines, in their standard versions, are ideal for sharpening planer knives as they are supplied with a mechanical clamping kit for grinding 4 planer knives together on the mechanical chuck with T-slot. The model AM features manual downfeed of the grinding wheel, and is designed principally for sharpening planer knives and is the simplest and most economical grinding machine.

It is available in two grinding lengths, either 650 mm or 850 mm, it has many options and accessories and can sharpen many different types of smaller blades.


  • Cast iron machine bed
  • Automatic downfeed grinding head with automatic stop at preset height
  • Tilting head to grind hollow surfaces
  • Carriage run guides covered with replaceable hardened steel guides
  • 90° rotating knife-mounting chuck
  • Coolant pump
  • Chain driven carriage
  • Supplied with stepped blocks to grind 4 overlapping planer blades simultaneously
  • undercarriage
  • magnetic table
  • Slide speed selectable 5.5 or 11 m/min
  • Stepless slide speed 1-1 m/min
  • stop ruler
  • External coolant tank with pump
  • Switch for adjusting the grinding length
  • Clamping fixture for Tersa, Centrofix, Terminus, Kanefusa, Sinus or Weinig knives
  • Magnetic table for HM workpieces
 BM 650BM 850
Grinding length650 mm850 mm
Grinding motor power11,5 kW
Grinding wheel speed2800 n/mm
Clearance between grinding wheel and chuck  30 mm
Grinding wheel diameter127 mm
Grinding wheel centre hole size16 mm
Carriage speed2011 n/mm
Two speed carriage (optional) 5,5 - 11 n/mm
Variable carriage speed (optional)    1-11 n/mm
Overall diemsions with base1500x500x1370 mm1700x500x1370 mm
Net weight with base 170 kg190 kg
  • Magnetic chuck
  • Variable carriage speed 1-11 m/min
  • Two speed carriage 5,5 and 11 m/min
  • Edge reference bar
  • External tank with additional pump
  • 0° reference chuck
  • Switch for run adjustment
  • Clamping tool for leather cutting knives
  • Magnetic chuck for hard metal inserts
  • Clamping device for Tersa, Centrofix, Terminus, Kanefusa, Sinus, Weinig knives