# GROB G750T

Hardware · `G750T` · verification: source checked

The GROB G750T is a 5-axis mill-turn machining center with three linear and two rotary axes for 5-sided and simultaneous 5-axis machining. It has X/Y/Z travels of 1,000/1,100/1,175 mm and a horizontal spindle. The machine uses a mill-turn table and a disk-type tool magazine.

## Specification

| Property | Value |
|---|---|
| Category | cnc multitasking |
| Axes | 5 |
| Weight | 34500 kg |
| Travel X | 1000 mm |
| Travel Y | 1100 mm |
| Travel Z | 1175 mm |
| Rapid traverse | 75 m/min |

## Connected

- Manufacturer: [GROB](https://machineschema.com/manufacturer/grob.md)

## Study notes

- Three linear and two rotary axes support 5-sided machining, 5-axis simultaneous interpolation, and GROB TRAORI turning.
- A-axis swivel range is 230 degrees and B-axis swivel range is 360 degrees.
- Positioning accuracy is 0.006 mm in the X, Y and Z axes.
- Chip-to-chip time is 3.8 s according to VDI 2852, relative to spindle speed.
- Interference diameter is 1,280 mm.
- Table diameter is 950 mm.
- Table load is 1,500 kg without pallet and 1,000 kg with pallet.
- B-axis speed is stated as 500 n(min max).
- Tool length for the double disk-type tool magazine with HSK-A/T63 is 400 mm front and 650 mm back.
- Spindle versions listed: HSK-A/T100 340 Nm at 10,000 rpm; HSK-A/T63 206 Nm at 16,000 rpm; HSK-A/T100 261 Nm at 14,500 rpm.
- The Francis turbine wheel example uses a 10,000 rpm motorized spindle at 66 kW / 340 Nm.
- The energy efficiency package is available with a SIEMENS control system.

## Sources

1. [Universal machining center G750T - GROB](https://www.grobgroup.com/en/products/product-range/universal-machining-centers/mill-turn-machining-centers/g750t/) (accessed 2026-10-26)

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