G 80

OERLIKON Bevel Gear Grinding Machine


Economical concept for high-precision final machining of bevel gears

Thanks to its outstanding grinding performance and universal design, this CNC-controlled bevel gear grinding machine from the G model series is an extremely economical concept for high-precision final machining of the curved-toothed bevel gears of any gearing system as well as face-type clutches. These machines operate up to a ring gear diameter of 850 mm. The G machines are equipped with a side loading door for automation purposes, making loading using handling robots easy during automatic operation.


  • CNC machine for high-precision final machining of the curved-toothed bevel gears of any gearing system as well as face-type clutches
  • Vertical grinding spindle for optimal, unobstructed downward chip flow
  • Ring gear diameters to 850 mm
  • Easy access to all additional components, including oil mist extraction system, grinding oil return pump and hydraulics
  • Minimal setup times
  • Grinding wheel profiling takes place under CNC path control with diamond dressing roll
  • Ideally suited for automatic loading
  • Energy efficient (e2)
Range of Application
Workpiece Data
Workpiece diameter (max.)

Ø 850 mm

Normal module range

5 – 20 mm

Basic angle setting range

± 90°

General Data
Axial offset over and under center

± 100 mm

Spiral angle range (at the tooth center)

dimensioning-dependent*

Grinding spindle speed (max.)

4,500 rpm

Dressing spindle (max.)

6,000 rpm

Workpiece Spindle (B axis)
Seating diameter: Oerlikon inner cone No. 80; 1:16

Ø 203.218 mm (8“)

Workpiece spindle rotation speed (max.)

40 rpm

Tool Data
Grinding wheel diameter

Ø 230 mm (9“) – 500 mm (20“)

Tool Spindle
Eccentric speed (max.)

3,800 rpm

Nominal grinding wheel drive rating

27 kW

Workpiece Spindle
Work spindle bore hole

Ø 150 mm, L = 740 mm

General Machine Data
Total connected load

60 kVA

Machine dimensions without filtration unit (L x W x H) approx.

3,650 x 2,530 x 3,440 mm

Net weight without filtration unit approx.

21,000 kg

Range of Application
Workpiece Data
Workpiece diameter (max.) Ø 850 mm
Normal module range 5 – 20 mm
Basic angle setting range ± 90°
General Data
Axial offset over and under center ± 100 mm
Spiral angle range (at the tooth center) dimensioning-dependent*
Grinding spindle speed (max.) 4,500 rpm
Dressing spindle (max.) 6,000 rpm
Workpiece Spindle (B axis)
Seating diameter: Oerlikon inner cone No. 80; 1:16 Ø 203.218 mm (8“)
Workpiece spindle rotation speed (max.) 40 rpm
Tool Data
Grinding wheel diameter Ø 230 mm (9“) – 500 mm (20“)
Tool Spindle
Eccentric speed (max.) 3,800 rpm
Nominal grinding wheel drive rating 27 kW
Workpiece Spindle
Work spindle bore hole Ø 150 mm, L = 740 mm
General Machine Data
Total connected load 60 kVA
Machine dimensions without filtration unit (L x W x H) approx. 3,650 x 2,530 x 3,440 mm
Net weight without filtration unit approx. 21,000 kg

* With large outside diameter, the smallest spiral angle must be checked dependent on the axis traversing path.

The above-mentioned maximum values were determined for industry-typical gear units.
If necessary it has to be examined whether maximum values can be combined.

Subject to changes.

The machine dimensions of the standard version are for orientation only. The final machine dimension / final space requirement depends on the individual configuration of the machine.
G 80 Brochure English
(PDF, 2 MB)
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