72711 contact belt grinding or polishing machine

The contact belt grinding or polishing machine of the 72711 series is a one-sided machine. It is optionally available as a belt grinding or polishing machine. It is a robust machine that can be used for belt grinding or polishing.

With a motor power of 3.0 to 7.5 kW, the 72711 series is ideal for industrial applications with high stock removal rates. Standard sanding belts with a length of 3,500 or 4,000 mm and a maximum width of 100 mm can be used on the machine. The maximum contact wheel dimensions are 450 x 100 mm with a bore of 35 mm.

Only with aluminium protection hood and pindle equipment for aluminium processing!


Product features

  • Stand version with 2 stand heights
    630 mm for seated activity
    900 mm for standing activity
  • Three-stage V-belt drive
    The speed is controlled by a three-stage V-belt drive and offers a high degree of flexibility. Optional three spindle speeds possible at motor speed 1,500 rpm.
  • Optional Frequency Converter
    A frequency converter is available as an option, with which the speeds can be infinitely varied from 900 – 2,800 rpm.
  • Space-saving design
    The vertical arrangement of the belt guide and the belt protection hoods results in a very space-saving design, which makes it possible to set up several machines in a very confined space.
  • Special equipment for aluminium and magnesium grinding
    For the grinding of aluminium, we optionally offer you additional equipment that meets the requirements of BGR 109 – the former ZH 1/32 (guideline for the prevention of dust fires and dust explosions during grinding, brushing and polishing). This machine is available in a special version for grinding magnesium. It complies with BGR 204 guidelines.
  • Main switch with motor protection and undervoltage tripping
  • Comprehensive range of accessories
    The accessories on offer also offer you the possibility of quick conversion to other applications.
  • CE Conformity
    Legal conformity is a matter of course for us and has just as high a priority as the long-term, targeted and high manufacturing quality of our products.

Technical data

Tape size Max. 100 x 3.500 mm or
Max. 100 x 4.000 mm
Belt speed Dependent on machine speed and contact wheel Ø
Wave-Ø 35 mm
Max. contact wheel-Ø 450 mm
Max. polishing discs-Ø 500 mm
Motor power
3,0 to 7,5 kW
Voltage 400 V, 50 Hz, Dr.
Possible spindle speed 700, 800, 900, 1.000, 1.120, 1.250, 1.400, 1.600, 1.800, 2.000, 2.240, 2.500, 2.800 1/min
Please select 3 speeds and specify when ordering!
Motor speed 1.500 1/min
Mode S1, IP 54
Dimension See sketch
Color Grey RAL 7040


Performance Switch Sitting Standing
3,0 kW / 1.500 1/min direct 155 kg 175 kg
4,0 kW / 1.500 1/min 160 kg 180 kg
5,5 kW / 1.500 1/min 170 kg 190 kg
7,5 kW / 1.500 1/min 185 kg 205 kg


  • Spindle assembly, for aluminium machining
  • Frequency inverter for infinitely variable speed control
  • Brake unit for quick braking of the spindle
  • Pneumatic belt tensioning arm

Special versions

  • For grinding belt width up to 150 mm or 200 mm
  • For polishing wheels up to 200 mm width
  • 72711 Mg for magnesium machining