DN Solutions Mill-Turn / Multi-Tasking Machines

DN Solutions SMX 2100 ST

Est. $320,000 - $450,000 Specs verified 2026-10-02 · dn-solutions.com Updated 2026-10-02

Image: dn-solutions.com, DN Solutions

Key Specifications

Max Spindle

5,000 rpm

Spindle Power

22 kW (29 hp)

Max Turn Length

1,040 mm (41 in)

chuck size

8 in

max turning diameter

600 mm (24 in)

spindle torque

467 N·m (344 ft-lb)

How much does the DN Solutions SMX 2100 ST cost?

Estimated price range

Est.$320,000 - $450,000

Our best estimate for a mill-turn / multi-tasking machine in this class — not a quote from DN Solutions. Configuration moves it a long way.

Overview

The DN Solutions SMX 2100 ST lists two equal turning spindles, each 5,000 rpm, 22 kW (29 hp) and 467 N·m (344 ft-lb), in the short-bed SMX 2100 frame, and weighs 15,800 kg (34,833 lb). The chuck is 8 in, turning diameter 600 mm (24 in) and turning length 1,040 mm (41 in).

A useful way to read the ST is by weight. The SMX 2100, with the same envelope and main spindle, is 14,900 kg (32,849 lb); the ST is about 6% heavier. The SMX 2600 weighs exactly what the ST does, 15,800 kg (34,833 lb), and spends that mass differently: a 10 in chuck, 30 kW (40 hp), 724 N·m (534 ft-lb), 660 mm (26 in) of turning diameter and 1,540 mm (61 in) of turning length, at 4,000 rpm. For the same load on the floor, then, the choice is between one larger, stronger turning spindle on a longer bed and the ST's pair of faster ones.

What the table does not show is tooling. DN Solutions describes the SMX 2100 series with a B-axis milling head, controlled like the C-axis in 0.0001-degree steps, and a 12 station servo turret. Which models carry the turret is not stated, and the ST's table has rows only for the two spindles, the envelope, the dimensions and the weight. If the plan is to cut at both spindles at once, have the tool-carrier layout, the turret travels and the driven-tool rating written into the quotation.

On the floor the ST needs 4,845 × 2,770 mm (191 × 109 in), with 2,777 mm (109 in) of headroom. The series description mentions a front-located tool magazine with an ATC operation panel and a work guidance function; no control model is named.

Full Specifications

Parameter	Value
Chuck Size	8 in
Max Turning Diameter	600 mm (24 in)
Max Turning Length	1,040 mm (41 in)
Max Spindle Speed	5,000 rpm
Spindle Motor Power	22 kW (29 hp)
Spindle Torque	467 N·m (344 ft-lb)
Sub Spindle Speed	5,000 rpm
Sub Spindle Power	22 kW (29 hp)
Sub Spindle Torque	467 N·m (344 ft-lb)
Floor Space Required	4,845 × 2,770 × 2,777 mm (191 × 109 × 109 in)
Machine Weight	15,800 kg (34,833 lb)

Specifications sourced from dn-solutions.com — verified 2026-10-02

Strengths & Limitations

Strengths

Two turning spindles of equal rating, 5,000 rpm and 467 N·m (344 ft-lb) each, from 22 kW (29 hp)
600 mm (24 in) of turning diameter around an 8 in chuck
Short-bed footprint of 4,845 × 2,770 mm (191 × 109 in) despite the second spindle
B-axis and C-axis control in 0.0001-degree steps, as listed for the SMX 2100 series
Work guidance function and a front tool magazine with ATC operation panel are part of the series description

Limitations

At 15,800 kg (34,833 lb) it is about 6% heavier than the 14,900 kg (32,849 lb) SMX 2100
For the same weight, the SMX 2600 offers 30 kW (40 hp), 724 N·m (534 ft-lb) and 1,540 mm (61 in) of turning length
Neither the turret nor the milling spindle has a row in the ST's table
Turning length is limited to 1,040 mm (41 in)

Best For

Medium-size parts cut on both faces at up to 5,000 rpm Shops comparing a two-spindle 8 in machine against a single larger spindle of equal weight Parts under 1,040 mm (41 in) long with B-axis milling on both sides Work that needs 467 N·m (344 ft-lb) available after the transfer

Frequently Asked Questions

01 What spindle figures does the SMX 2100 ST list?

Main spindle: 5,000 rpm, 22 kW (29 hp), 467 N·m (344 ft-lb). Second spindle: 5,000 rpm, 22 kW (29 hp), 467 N·m (344 ft-lb). The chuck size is 8 in. There are no rows for a milling spindle or driven tools in this model's table.

02 How does the weight of the ST compare with related models?

The SMX 2100 ST weighs 15,800 kg (34,833 lb). The SMX 2100 weighs 14,900 kg (32,849 lb) and the SMX 2100 B 15,000 kg (33,069 lb). The SMX 2600, a larger machine with a 10 in chuck and 1,540 mm (61 in) of turning length, is also listed at 15,800 kg (34,833 lb).

03 Is there a turret on the SMX 2100 ST?

DN Solutions lists a 12 station servo turret in its description of the SMX 2100 series but does not say which models include it, and the ST's spec table has no turret row. Treat the turret as something to verify with the supplier, including its travels and whether its tools are driven.

04 What is the turning envelope?

Maximum turning diameter is 600 mm (24 in) and maximum turning length is 1,040 mm (41 in). For longer work the SMX 2100 L has 1,540 mm of turning length with the same 8 in chuck and 467 N·m (344 ft-lb) main spindle.