The Kellenberger® 100 CNC grinding machine from Hardinge is a new low-cost, high-performance grinder for any universal grinding need. The machine offers the most extensive configuration options for the broadest range of grinding operations.

New era grinding concept from Kellenberger

Video Credit: Hardinge Inc.

Technical Data

Source: Hardinge Inc.

. . .
Main specifications   metric
Distance between centres mm 600 / 1'000
Centre height mm 200
Weight of workpiece between centres kg 100 / 150
Load on chucked work Nm 100 / 200
Mains voltage required V 3 x 380 V/50 Hz / 3 x 460 V/60Hz
Power consumption depending on equipment A 35-63
Space required / length x width mm 2620 x 2170 / 3400 x 2170
Longitudinal slide: Z-axis    
Travel mm 750/1150
Rapid traverse speed m/min 20
Resolution µm 0.1
Wheelslide: X-axis    
Travel mm 365
Rapid traverse speed m/min 10
Resolution µm 0.1
Swivel devices    
Swiveling range ° 280
Automatic indexing ° 1
Resolution B-axis ° 0.1 seconds
Wheelhead general    
Oil-air lubracation spindle kW 11.5
Wheel constant speed m/s 50 / 63 (option)
Max. wheel diameter mm Ø500
Internal grinding attachment    
Bore for spindles up to mm Ø150
Internal grinding wheel power kW 7.5 - 15
Oil-Air lubricated grinding spindle max, speed min-1 45'000 / 60'000 / 90'000
Workhead 100 / 150    
Resolution C-Axis ° up to 0.00003
Rotation spindle speed min-1 1 - 1'000
Drive torke Nm up to 63
Interface   MT5/ISO702-1, size 5
Roundness accuracy in chucked work µm up to 0.2
Internal taper   MT4
Retraction of sleeve mm 49
Micro-adjustment µm ±60 / ±120

All data are subject to change without notice


Customer Benefits

  • Optimized machine design
  • Universal innovation of a new grinding wheelhead with options to use 10 wheelhead versions
  • Higher profile precision
  • Redesigned Z-guideways
  • Higher grinding wheel power
  • C-axis with direct drive
  • Higher productivity
  • Improved noncircular grinding accuracy
  • Intuitive touchscreen operation
  • Additional options available as standard
  • Wider range of functions
  • High-quality Fanuc 31i control
  • Reliable operator guidance
  • Built-in automatic technology calculation
  • Convenient and simple training
  • Additional grinding options


  • FANUC 31i

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