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Heinz Berger Maschinenfabrik Products

Grinding machines

Horizontal spindle surface grinding machines

Flat bevel grinding machine series BG
Flat bevel grinding machine series BG
Horizontal spindle surface grinding machine
Heinz Berger Maschinenfabrik GmbH & Co. KG
Horizontal spindle surface grinding machines
Surface, bevel and radius grinding of complex geometries
The CNC-controlled flat bevel grinding machine from the BG series uses a cup wheel to achieve surface, bevel and/or radius grinding on machine knives, hand tools and related workpieces. Depending on the size of the workpiece, the machines can be equipped with grinding wheels of different diameters with a grinding length of 150–640 mm depending on the model. The grinding machine is equipped with four contouring axes and one tool axis as standard. It works at a cutting speed of up to 50 m/min.
  • Grinding length: 150–640 mm (depending on model)
  • Mounting flange for grinding wheel of 80–710 mm ∅ (depending on model)
  • Spindle drive 6.5–45 kW (depending on model)
  • Spindle with backlash-free preloaded precision bearing, designed for peripheral speeds of up to 50 m/s
  • Grinding table with four axes:
    - X-axis = main feed axis, grinding tables driven by linear motor
    - Y- and Z-axis = linear pressure axes against grinding wheel
    - A-axis = tilting axis/cutting edge angle
  • W-axis = infeed axis grinding wheel, infinitely variable and freely programmable
  • Digital axis drives on preloaded ball screw spindle Y and Z-axis or precision reduction gearbox A-axis, digital axis drive linear motor for X-axis
  • Measuring control with measuring probe integrated into CNC control, digital display of grinding wheel wear, determination of remaining grinding wheel service life
  • Grinding table in 30° slider bed design, roller rail guide with direct position measuring system
  • Workbench compatible programming software
  • AC servo motor
  • Automatic interval-controlled central grease lubrication with monitoring and status display
  • Prepared for the mounting of clamping devices
  • TeamViewer for diagnostics/remote control of the CNC and PLC functions
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Rotary table grinding machines

Rotary table grinding machine series RTS
Rotary table grinding machine series RTS
Rotary table grinding machine
Heinz Berger Maschinenfabrik GmbH & Co. KG
Rotary table grinding machines
Economical surface grinding of machine knives
The four-axis CNC grinding machine RTS achieves economical surface and bevel grinding, e.g. on large machine knives and agricultural knives in a continuous process. The grinding machine is equipped with two grinding wheels with a diameter of 600 mm and two 55 kW grinding spindles. It works with a 1000 mm electromagnet with segmented pole pitch for throughfeed surface grinding. The machine is automatically loaded and unloaded via a magazine storage system.
  • Grinding motor power 7,5–55 kW
  • AAdapter flange for grinding wheel Ø 350–600 mm
  • Rotary table speed, variable up to 18 revolutions/min
  • Mechanical fixture plates or electromagnetic pole plates 470–1,200 mm
  • Mechanical measuring sensor to gauge the grinding wheel and to adapt to the wear (option: motor adjustment with digital indication)
  • Central grease lubrication system
  • Designed for wet processing with grinding emulsion
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Travelling head surface grinding machines, vertical grinding spindle

Traveling head flat grinding machine series FS
Traveling head flat grinding machine series FS
Travelling head surface grinding machine, vertical grinding spindle
Heinz Berger Maschinenfabrik GmbH & Co. KG
Travelling head surface grinding machines, vertical grinding spindle
Workspace
200 mm
 
The CNC-controlled traveling head flat surface grinding machine of the FS series achieves surface grinding on long knives with a maximum length of 4,000 mm and a maximum grinding height of 200 mm.
The grinding machine is equipped with a magnetic table with four magnets à 1,000 × 250 mm. The carriage speed is programmable and amounts to 0–30 m/min. The grinding machine works with a four-axis digital CNC control.
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