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Heinz Berger Maschinenfabrik Products
Heinz Berger Maschinenfabrik GmbH & Co. KG
Circular knife grinding machines

Circular knife grinding machine series RMS/RSP

400 mm
1000 mm
Cutting edge grinding of circular knives using beam grinding
The two-axis CNC grinding machine from the RMS series achieves cutting edge grinding on circular knives. The processing cell is equipped with a rotary table grinding machine from the RMS series and a robot with grinding spindle. The workpiece is machined with a cup wheel with a diameter of 450 mm. The maximum cutting speed is 45 m/s.
  • User-friendly, direct programming by indicating the technical data/parameters of the workpieces
  • CNC controlled adjustment of the angle range 0°–30° with hydraulic clamping
  • Workpiece diameter up to 1,000 mm
  • Automatic compensation of the grinding wheel
  • Clamping of workpieces by permanent magnet, electromagnet, mechanical or pneumatic devices
  • Rrotation speed of the workpieces adjustable 100–240 rpm
  • Grinding wheel diameter 400 mm
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Peripheral grinding machine series RFT
Peripheral grinding machine series RFT
Circular knife grinding machine
Heinz Berger Maschinenfabrik GmbH & Co. KG
Circular knife grinding machines
1200 mm
The CNC-controlled peripheral grinding machine is designed for grinding surfaces, cutting edges and contours on circular knives, saw blades or circular blanks. It works in a pendulum or plunge-cut process and is equipped with six axes. The grinding wheel is moved horizontally via an AC servomotor with a preloaded ball screw. In conjunction with an additional grinding axis, subsequent grindings can be carried out in one clamping operation. The workpiece is held by a mechanical clamping device via a permanent magnet or electromagnet. With the Marposs measuring system, it is possible to machine an interrupted grind.
  • Horizontal grinding wheel, positioning by AC servo motor driven by pre-loaded precision ball screw
  • Automatic compensation of workpiece plunge travel after each dressing cycle and maintenance of selected rotational wheel speed (by frequency variation)
  • Simple workpiece oriented programming with parameter entries
  • Grinding of multiple bevels on one clamping with additional grinding axis
  • Blade diameter of up to 1,200 mm
  • Circular knife blade held on a rotational fixture by permanent magnet, magnetic chuck, or mechanical clamping
  • Rotational speed of workpiece adjustable with frequency converter or servomotor
  • Different dressing systems, interval controlled or permanent
  • Processing of intermittent grinding by means of the measuring system Marposs
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