What is the maximum spindle speed of the INDEX-TRAUB TNL20-9B?

10000 rpm, per Langdrehautomat TRAUB TNL20 (index-group.com).

INDEX-TRAUB TNL20-9B

The INDEX-TRAUB TNL20-9B is a sliding-headstock automatic lathe for bar stock up to 20 mm diameter. It has a 10,000 rpm main spindle and adds a B-axis with a 105-degree swivel angle. Its technical data lists 8-station tool units and multiple slide travels.

Source checked6/6 values · 2026-10-26INDEX-TRAUB CNC lathe

Spindle max

10,000rpm

Spindle power

3kW

Spindle torque

5.73N·m

Specification

1 source

Category	cnc lathe
Rapid traverse	40 m/min
Bar capacity	20 mm

Quick answers

What is the maximum spindle speed of the INDEX-TRAUB TNL20-9B?: 10000 rpm, per Langdrehautomat TRAUB TNL20 (index-group.com).

Study notes

Main spindle 40% duty ratings are 5.5 kW and 10.5 Nm.
C-axis resolution: 0.001 degree.
B-axis swivel angle: 105 degrees.
Z slide travel is listed as 205 mm (swiss type) and 80 mm (non-swiss type).
Tool units in the technical data include 8 stations at 8,000 rpm and 12,000 rpm; slide data include X 235.5/165/120 mm, Z 258/567.5/155 mm, and Y ±25.4 mm.
Optional equipment listed: integrated robot cell iXcenter and 19-inch touch-screen.
Control options listed: TRAUB TX8i-s V7 and TX8i-s V8; these are not in the controller reference list.

Safety

When the optional iXcenter robot cell is used, it is fixed in front of the work area during production; the machine's sliding guard opens automatically behind the cell.