What is the maximum spindle speed of the DMG MORI NVGH-3T?

20000 rpm, per NVGH-3T - Vertical Grinding by DMG MORI - DMG MORI (en.dmgmori.com).

DMG MORI NVGH-3T

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.

Source checked5/5 values · 2026-10-25DMG MORI CNC grinder

Spindle max

20,000rpm

Max swing

350mm

Specification

1 source

Category	cnc grinder
Spindle taper	HSK-A63
Tool capacity	6

Quick answers

What is the maximum spindle speed of the DMG MORI NVGH-3T?: 20000 rpm, per NVGH-3T - Vertical Grinding by DMG MORI - DMG MORI (en.dmgmori.com).

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.