# HERMLE C 12 GEN2

Hardware · `C 12 GEN2` · verification: source checked

The HERMLE C 12 GEN2 is a CNC machining centre for machining cubic parts. It has X-Y-Z travels of 350 x 440 x 330 mm, a swivelling rotary table with a 320 mm clamping surface, and a maximum table load of 100 kg. The machine can be transported without dismantling and set up without a foundation.

## Specification

| Property | Value |
|---|---|
| Category | cnc mill |
| Weight | 7200 kg |
| Travel X | 350 mm |
| Travel Y | 440 mm |
| Travel Z | 330 mm |
| Rapid traverse | 50 m/min |
| Tool capacity | 36 |
| Table load | 100 kg |
| Supply voltage | 400 V / 50 Hz \| 460 V / 60 Hz |
| Max workpiece weight | 100 kg |
| Max workpiece diameter | 320 mm |

## Connected

- Manufacturer: [Hermle](https://machineschema.com/manufacturer/hermle.md)

## Study notes

- The control is stated as Heidenhain TNC7.
- Main spindle speed options are 15000, 16000, 20000, 25000, 30000 and 42000 rpm, with power and torque ratings listed for each speed.
- Tool changer interface options are HSK A 63, SK 40, HSK A 50 and HSK E 40.
- An additional tool magazine ZM 35 is available with 35 pockets.
- The swivelling rotary table has a 320 mm clamping surface, +/-115 degrees swivel range, A-axis speed 25 (55) rpm and C-axis speed 40 (80) rpm in standard (dynamic) mode.
- Positioning uncertainty according to ISO 230-2 is <= 0.006 mm, calculated at a constant ambient temperature of 20 degrees C +/-1 degree C.
- Maximum workpiece height is 265 mm, maximum vertical table clearance is 430 mm, and the collision circle at the A-axis 0 degree position is 610 mm.
- Connected load is stated as up to 46 kVA; chip-to-chip time is approximately 4.5 s.
- Maximum tool length is 200 mm, maximum tool diameter is 80 mm with adjacent pocket allocation, maximum tool weight is 8 kg / 8 kg / 6 kg / 2.5 kg depending on interface, and maximum magazine load is 144 kg.

## Sources

1. [Machining centre C 12 GEN2](https://www.hermle.de/en/machining-centres-automation/models/machining-centre-c-12-gen2/) (accessed 2026-10-26)
2. [Hermle Technical Data C12 GEN2 EN](https://www.hermle.de/fileadmin/website/5_NEWS-UND-MEDIA/5_2_Mediathek/Technische_Daten/Englisch/Hermle_Technical_Data_C12_GEN2_EN.pdf) (accessed 2026-10-26)

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