# GROB G500

Hardware · `G500` · verification: source checked

The GROB G500 is a modular horizontal machining center for series production of automotive components such as cylinder blocks and crankcases. It has X/Y/Z working travels of 800/950/905 mm and maximum axis speeds of 90/50/100 m/min. It uses motorized spindles and offers various tilting rotary tables, tool magazines and automation options.

## Specification

| Property | Value |
|---|---|
| Category | cnc mill |
| Travel X | 800 mm |
| Travel Y | 950 mm |
| Travel Z | 905 mm |
| Spindle max | 18000 rpm |
| Rapid traverse | 100 m/min |
| Table load | 525 kg |

## Connected

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

## Safety

- GROB Chip-in-Spindle Detection System (SiS) detects tool clamping faults caused by chips between the plain surface and the spindle nose from 10 μm.

## Study notes

- Chip-to-chip time t1 is 2.6 s according to VDI 2852, relative to speed (rpm).
- Positioning accuracy is 0.006 mm in the X, Y and Z axes.
- Interference diameter is 900 mm.
- Total weight is 19,000 kg without pallet changer and 22,000 kg with pallet changer.
- Motorized spindle options cover HSK-A63 (47–199 Nm, 8,000–18,000 rpm) and HSK-A100 (185.5–575 Nm, 6,000–12,000 rpm).
- Control system is SIEMENS as standard, with FANUC available as an option.
- Tool magazine options include a tool changer arm, a single disk-type tool magazine and a double disk-type tool magazine.
- GROB Spindle Diagnostics (GSD) automatically monitors the condition of the motorized spindle to support scheduled maintenance and reduce tool wear.

## Sources

1. [Machining center G500](https://www.grobgroup.com/en/products/product-range/machining-technology/g-modules/g500/) (accessed 2026-10-26)

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