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Oerlikon C28

Face Milling-Single Part Process - continuous process:
- Workpiece and tool (usually Spiron) rotate simultaneously, all teeth are produced simultaneously in one operation.
- Knife head has several knife groups (not arranged in a circle)
- Parallel height tooth
- Conical tooth tip surface

Single part procedure:
- Workpiece is stationary and tool (usually Arcon) rotates and cuts a tooth by plunging the tool.
- Once a tooth has been cut, the tool moves out of the tooth again, the workpiece divides by one tooth width and the next tooth is cut until all teeth are finished.
- The knife head has all knives arranged on a circular path.
- Conical tooth height
- Parallel tooth tip surface

The C28 can do both, wheel + pinion.
For the single part process, a C28 must be “prepared” - ie direct measuring system + part gear brake workpiece axis + license file for manufacturing single part processes.

TECHNICAL DETAILS
Control: Siemens 840 C
Wheel diameter: max. 275 mm
Wheel width: 55 mm
Module: 1.5 - 6.5
Spiral angle: 0-60°
Number of teeth: 6-120 mm
Gear ratio: 1:10 - 1:1
Cutter head radius: 62 - 110 mm
Knife group numbers: 5-19 (Oerlikon)

Travel X / Y / Z: 500 / 885 / ±185 mm
Motor speed per axle: 2400 rpm
Gear ratio X / Y / Z: 3:1
Spindle pitch per axis: 10 mm
Movement range E /V-axis: -5° to 95° / ±7.5°
Motor speed E/V-axis: 400 / 900 rpm
Travel E/V axis: 1800 / 1098 °/min
E/V axis ratio: 80:1 / 1:1

Mounting diameter A/B axis: 130 / 140 mm
Spindle speed A/B axis: 667 / 345 rpm
permissible motor speed A/B axis: 10,000 / 4,500 rpm
A/B-axis ratio: 15:1 / 13:1

Travel range V1-axis: 85 - 225 mm
Travel speed V1 axis: 6 m/min
Engine speed V1-axis: 1800 rpm
Spindle pitch V1 axis: 5 mm

U-axis travel: 112 - 258 mm
Travel speed U-axis: 0.6 m/min
U-axis ratio: 4.3:1
Motor speed U-axis: 3000 rpm
Spindle pitch U-axis: 5 mm

MACHINE DETAILS
Weight: 13 t
Space requirement: 5.2 x 2.3 x 2.4 mm
Connection values: 3x 400V, 50 Hz, 90 A
Transport weight: 16.5 t