DN Solutions SMX 2100 S

Est. $270,000 - $380,000 Updated 2026-08-10

Key Specifications

Max Turn Length

1040 mm

max turning diameter

600 mm

chuck size

8 inch

left spindle speed

5,000 RPM

left spindle power

22 kW (29.5 hp)

left spindle torque

467 Nm (344 ft-lbs)

Overview

The DN Solutions SMX 2100 S adds a sub spindle to the standard-bed SMX 2100 platform, turning it into a true done-in-one production machine. With 1,040 mm of turning length and dual spindles, it handles complete processing of medium-length parts — both ends machined, all milling features done — in a single cycle.

The left spindle drives an 8-inch chuck at 5,000 RPM with 22 kW (29.5 hp) and 467 Nm (344 ft-lbs) of torque. The right sub spindle matches it at 5,000 RPM and 22 kW with 467 Nm, so you're getting full machining capability on back-working operations, not a reduced-power compromise. The B-axis milling spindle delivers 12,000 RPM with 240-degree swing for angular milling, cross-drilling, and full 5-axis contouring.

Max turning diameter is 600 mm (23.6 in) across the 1,040 mm (40.9 in) turning length. That work envelope covers the majority of medium-sized prismatic and cylindrical parts in job shop and production environments. The machine weighs 15,200 kg (33,510 lb) on a 4,845 x 2,770 x 2,777 mm footprint — more compact than the long-bed L variants while delivering the same sub spindle capability.

The FANUC 31i-B5 control with CUFOS manages all axes including synchronized spindle handoffs for part transfer. Automated part pickup between spindles means you can run lights-out production without operator intervention between first and second ops. For shops that don't need the extended turning length of the L variants but want sub spindle back-working on the SMX 2100 platform, the S variant hits the mark. It competes directly with the Mazak Integrex i-200S and DMG Mori CTX beta 800 TC at a meaningfully lower price point.

Full Specifications

Parameter	Value
Max Turning Diameter	600 mm
Max Turning Length	1040 mm
Chuck Size	8 inch
Left Spindle Speed	5,000 RPM
Left Spindle Power	22 kW (29.5 hp)
Left Spindle Torque	467 Nm (344 ft-lbs)
Right Spindle Speed	5,000 RPM
Right Spindle Power	22 kW (29.5 hp)
Right Spindle Torque	467 Nm (344 ft-lbs)
Milling Spindle Speed	12,000 RPM
B Axis Range	240° (+/-120°)
Machine Weight	15,200 kg (33,510 lb)
Machine Dimensions	4,845 x 2,770 x 2,777 mm
CNC Control	FANUC 31i-B5 with CUFOS
Metric	IMPERIAL
Capacity	Chuck sizeMax. Turning DiameterMax. Turning Length
Left Spindle	Max. Spindle SpeedMax. Spindle PowerMax. Spindle Torque
Right Spindle	Max. Spindle SpeedMax. Spindle PowerMax. Spindle Torque
Dimensions	LengthHeightWidthWeight
Favorites	SMX5100XLB

Specifications sourced from dn-solutions.com — verified 2026-03-28

Strengths & Limitations

Strengths

Sub spindle with full 22 kW power enables complete part processing on both ends without manual rechucking
More compact footprint than the long-bed L variants while delivering the same dual-spindle capability
B-axis milling at 12,000 RPM with 240-degree travel provides genuine machining center capability
Matched spindles at 5,000 RPM allow high-speed turning on small-to-medium diameter parts
25-30% lower price than comparable Mazak Integrex i-200S and DMG Mori CTX beta configurations
FANUC 31i-B5 control keeps programming familiar for shops standardized on FANUC

Limitations

1,040 mm turning length limits long-shaft capability — need the L variant for parts over 41 inches
8-inch chuck restricts max workpiece diameter compared to 10-inch and 12-inch platforms
No lower turret means turning and milling happen sequentially, not simultaneously
22 kW spindle may feel underpowered for aggressive roughing on large-diameter tough alloys

Best For

Job shops entering multi-tasking with sub spindle capability at an accessible price point Aerospace shops machining medium-length components with features on both ends in a single setup Production environments running automated cycles with spindle-to-spindle part transfer for unattended operation Shops machining hydraulic valve bodies, fittings, and connectors that need complete processing under 1,040 mm length Facilities with limited floor space that need sub spindle multi-tasking in a compact footprint

Frequently Asked Questions

01 What's the difference between the SMX 2100 S and the base SMX 2100?

The S adds a sub spindle (right spindle) for back-working and automated part transfer. The base SMX 2100 is single-spindle only, so parts requiring features on both ends need manual rechucking. The S weighs about 300 kg more and carries a meaningful premium over the base machine — straightforward to justify if a second operation is currently costing you a setup on every part, much harder if most of your work is single-ended.

02 Should I get the SMX 2100 S or the SMX 2100 L?

Choose the S if your parts are under 1,040 mm and need features on both ends — the sub spindle handles back-working automatically. Choose the L if your parts exceed 1,040 mm but only need features on one end. If you need both long bed and sub spindle, look at the LS variant.

03 What does a new SMX 2100 S cost?

DN Solutions quotes the SMX 2100 S per configuration through its distributors. The main variables are ATC capacity, high-pressure through-tool coolant, probing, chip conveyor, and bar feeding or gantry loading. Tooling for a 12,000 rpm B-axis milling head is a separate budget line and not a small one, and a twin-spindle machine also means multi-channel CAM licensing and post-processor work. Installation and operator training on synchronized spindle programming sit outside the machine price as well.

04 Can I run unattended production on the SMX 2100 S?

Yes. The sub spindle enables automated part transfer for lights-out operation. Pair it with a bar feeder for continuous production of bar-stock parts, or use a gantry loader for chucked parts. The FANUC control handles synchronized handoffs between spindles as part of the CNC program.