A modular CNC universal grinding machine with a choice of 10 wheel head versions

The KELLENBERGER 100 universal CNC OD/ID grinding machine is a new, high-performance, and economical grinder for use across medium- to large-scale universal grinding applications.  The Swiss-Made KELLENBERGER 100 grinding machine is highly configurable and offers a plethora of industry-leading options to accommodate the widest range of universal grinding operations across the semiconductors, aerospace, automotive, high-end tool and die industries, and beyond.

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 380V/50 Hz / 3 x 460V/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 Ø 500
Internal grinding attachment
Bore for spindles up to mm Ø 150
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 ±30 / ±75

The KELLENBERGER 100 grinding machine features an aesthetically and ergonomically advanced design; its clean and modern appearance relays its perfection and technical superiority in accordance with the other members of the KELLENBERGER family of grinding machines.  The innovation of a new grinding wheel head offers a choice of 10 versions, along with increased power.


  • Capto
  • OD Production Grinding
  • Universal ID/OD Cylindrical Grinding
  • Global innovation of a new grinding wheelhead with choice of 10 wheelhead versions
  • optimised design of the machine
  • Higher power of the grinding wheel
  • Increased productivity
  • Redesigned Z-guideways
  • Greater profile accuracy
  • C-axis with direct drive
  • Increased accuracy for noncircular grinding
  • Extended options available as standard
  • High-quality Fanuc 31i control
  • Integrated automatic technology calculation
  • Intuitive touchscreen operation
  • Extended range of functions
  • More grinding options
  • Consistent operator guidance
  • Simple and convenient training

FANUC control system 31i-B

  • FANUC 31i-B with 19” touch display
  • Intuitive operation thanks to
    BLUE Solution with Object Guide
  • Clear, self-explanatory screen pages
  • Integrated automatic calculation of technology