SMEC SL2500

$120,000 - $180,000 Updated 2026-03-16

Key Specifications

Max Spindle

4,000 RPM

Spindle Power

18.5/15 kW (25/20 hp)

Max Turn Length

500 mm (19.7 in)

chuck size

10 in (250 mm)

max turning diameter

420 mm (16.5 in)

spindle bore

76 mm (3.0 in)

Overview

The SMEC SL2500 is a mill-turn CNC lathe offering Y-axis milling capability in a 10-inch (250mm) chuck platform, extending the SL series beyond pure turning into complete part production. By adding a Y-axis cross-slide and driven tooling in the turret, the SL2500 enables off-centerline milling, drilling, tapping, and contouring operations that eliminate secondary setups on a conventional machining center. The machine is built on the same 45-degree slant-bed foundation as the SL2000, with a reinforced column and turret head to handle the added milling forces from driven tool work.

The 250mm chuck and approximately 500mm turning length make the SL2500 suitable for a wide range of rotational components in the automotive, fluid power, hydraulics, and aerospace supply chain. The Y-axis stroke of approximately ±52mm provides adequate offset for most eccentric feature work — cross-holes, keyways, hexagonal profiles, and off-center bores that would otherwise require a second setup on a machining center. Driven tooling speeds of up to 4,000–6,000 RPM accommodate both drilling and light milling operations without slowing the lathe cycle.

SMEC equips the SL2500 with a Fanuc or Siemens control with full multi-axis turning and milling cycle support. The control's conversational programming aids setup for common mill-turn operations, while full G-code and M-code programming supports complex multi-operation part programs from CAM systems. The turret's 12 positions split between turning and driven tooling stations to cover complete programs without tool change interruptions.

The SL2500 competes with the Doosan Lynx 220LSYC, Mazak Quick Turn Nexus 250-II MSY, and Hyundai WIA L300MSY in the 10-inch chuck mill-turn segment. Pricing typically ranges from $120,000 to $180,000. For shops seeking complete single-setup part production in the 250mm chuck class at a price point below Japanese premium brands, the SL2500 offers a proven and capable platform.

Full Specifications

Parameter	Value
Chuck Size	10 in (250 mm)
Max Turning Diameter	420 mm (16.5 in)
Max Turning Length	500 mm (19.7 in)
Max Spindle Speed	4,000 RPM
Spindle Motor Power	18.5/15 kW (25/20 hp)
Spindle Bore	76 mm (3.0 in)
Y Axis Stroke	±52 mm (±2.0 in)
Driven Tool Speed	6,000 RPM
Turret Positions	12 (live tooling capable)
Rapid Traverse X Y Z	30/20/30 m/min
CNC Control	Fanuc 0iTF (standard) / Siemens 828D (option)
Machine Weight	Approx. 6,500 kg (14,330 lb)

Specifications sourced from static.machinetools.com — verified 2026-03-28

Strengths & Limitations

Strengths

Y-axis milling capability enables complete part machining in a single setup — eliminates secondary VMC setups for cross-holes, keyways, and off-center features, reducing cycle time and fixturing cost
250mm chuck class balances workpiece capacity and machine footprint for the majority of medium rotational parts in automotive, fluid power, and general industrial production
Doosan-SMEC manufacturing lineage provides proven headstock reliability and shared component engineering with the broader DN Solutions portfolio
Competitive pricing versus Japanese mill-turn equivalents offers a cost-effective entry point for shops adding Y-axis turning capability without premium brand pricing

Limitations

±52mm Y-axis stroke covers most production part families but may be limiting for large eccentric features or parts requiring significant offset from centerline
Driven tooling RPM up to 6,000 RPM is adequate for drilling and light milling but limits aggressive milling operations compared to dedicated VMC spindles running 10,000–15,000 RPM
SMEC service network is less developed than DN Solutions or major Japanese brands in some regions, which may affect parts availability and service response for high-uptime production cells

Best For

Job shops and contract manufacturers producing complex rotational parts — shaft assemblies, hydraulic manifolds, flanged components — that require both turning and milling in a single setup Automotive and fluid power suppliers machining valve bodies, fittings, and pump housings where Y-axis capability eliminates costly secondary setups and fixturing Shops upgrading from a 2-axis lathe + VMC combination seeking to consolidate operations onto a single mill-turn platform to reduce WIP and floor space Production facilities in the 250mm chuck class requiring driven tooling for cross-holes, tapping, and flat features without investing in a premium Japanese or European mill-turn

Frequently Asked Questions

01 What is the difference between the SMEC SL2000 and SL2500?

The SL2000 is a 2-axis turning-only lathe with an 8-inch chuck, designed for pure turning production. The SL2500 adds a Y-axis cross-slide and driven tooling in the turret, enabling milling, drilling, and tapping of off-centerline features in the same setup as turning. The SL2500 also uses a larger 10-inch chuck and heavier construction to handle the additional forces from milling operations. Shops requiring complete part production in a single setup should choose the SL2500; shops running dedicated turning work may prefer the simpler and more affordable SL2000.

02 Can the SL2500 replace a lathe and VMC combination?

For many rotational parts with off-centerline milled features, yes. The SL2500's Y-axis capability handles cross-holes, keyways, flats, hexagonal features, and off-center bores that would otherwise require a VMC second operation. However, the driven tooling spindle speed (up to 6,000 RPM) and power are not equivalent to a dedicated VMC for deep pocketing, complex 3D contouring, or high-speed aluminum milling. Parts with extensive milling content may still benefit from a dedicated VMC.

03 Does the SL2500 support sub-spindle operation?

The base SL2500 configuration does not include a sub-spindle. SMEC offers sub-spindle configurations in the SL series lineup for shops requiring backworking capability. For sub-spindle turning, the Doosan Lynx 220LSYC or other configured mill-turn lathes may be more appropriate. Buyers requiring sub-spindle should confirm availability with their regional SMEC distributor.

04 What CAM systems are supported for mill-turn programming on the SL2500?

The SL2500 with Fanuc 0iTF control is supported by all major CAM systems including Mastercam, Fusion 360, Siemens NX, and ESPRIT for multi-axis mill-turn programming. CAM post processors for SMEC/Doosan Fanuc mill-turn lathes are widely available. The Siemens 828D option is supported by Siemens NX and other CAM systems with Siemens ShopTurn posts. For complex multi-operation programs, working with a CAM-literate programmer significantly reduces programming time.

05 How does the SL2500 compare to the Doosan Lynx 220LSYC?

Both machines offer Y-axis milling capability in a similar chuck class with Doosan-group manufacturing heritage. The Doosan Lynx 220LSYC benefits from the full DN Solutions (Doosan) dealer and service infrastructure, which is more extensive in North America and Europe than SMEC's network. The SL2500 may offer a more competitive initial purchase price. Specification differences are relatively minor — shops with existing DN Solutions relationships may prefer the Lynx 220LSYC, while cost-focused buyers should compare both.