# DMG MORI NVGH-3T

Hardware · `NVGH-3T` · verification: source checked

The NVGH-3T is a CNC vertical multi-process grinding machine. Two grinding spindles are mounted on a turret with a continuous-indexing B-axis: an internal grinding spindle with HSK-A63 interface and automatic tool change, and an external grinding spindle with a 355 mm grinding wheel. It handles workpieces up to 350 mm swing diameter, 450 mm height and 320 mm grinding length, with a grinding spindle speed of up to 20,000 rpm.

## Specification

| Property | Value |
|---|---|
| Category | cnc grinder |
| Spindle max | 20000 rpm |
| Spindle taper | HSK-A63 |
| Tool capacity | 6 |
| Max swing | 350 mm |

## Connected

- Manufacturer: [DMG MORI](https://machineschema.com/manufacturer/dmg-mori.md)

## Study notes

- Swing diameter: 350 mm (14 in).
- Max. grinding diameter: 350 mm (14 in).
- Max. workpiece height: 450 mm (18 in).
- Max. grinding length: 320 mm (13 in).
- Max. work spindle speed: 800 rpm.
- Two spindles on a turret with continuous indexing function (B-axis).
- Internal grinding spindle: HSK-A63 with ATC function.
- External grinding spindle: diameter 355 mm grinding wheel, fitted as standard.
- Optional work spindle C-axis with Direct Drive motor gives continuous indexing at a minimum indexing unit of 0.0001 degrees; enables non-round grinding such as polygon and cam shapes, and curvic coupling by synchronous X and C-axis control.
- ATC for the internal grinding spindle stores 6 tools.
- Dresser unit with single point diamond; rotary dresser, R-shape dresser and AE sensor listed as options.
- Control and software alternatives are listed only as FANUC; no specific controller model is named in the document. Automation options include a SCARA robot and rotary stocker, and an AMS (Automatic Measurement System) with various stylus options is available.

## Sources

1. [NVGH-3T - Vertical Grinding by DMG MORI - DMG MORI](https://en.dmgmori.com/products/machines/grinding/vertical-grinding/nvgh/nvgh-3t) (accessed 2026-10-25)

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