DMG Mori NEF 600

$165,000 – $250,000 Updated 2026-03-17

Key Specifications

Max. Swing Diameter

600 mm (23.6 in)

Max. Turning Length

1,500 mm (59.1 in)

Main Spindle Speed

2,500 rpm

Main Spindle Power

30 kW (40 hp)

Main Spindle Torque

1,900 Nm

Spindle Bore

102 mm

Overview

The DMG Mori NEF 600 is a large-capacity universal CNC lathe engineered for heavy-duty turning of oversized workpieces including pump housings, valve bodies, large flanges, and energy sector components. Its extra-wide slant-bed construction — machined from a single-piece cast iron casting — provides the rigidity and thermal stability required to maintain micron-level tolerances when removing large volumes of material.

Powered by a 30 kW main spindle rated to 2,500 rpm, the NEF 600 delivers the torque necessary for aggressive cuts in hardened steel, cast iron, and nickel-based superalloys. The standard 12-station VDI turret indexes quickly and supports driven tooling for milling and drilling operations, while the optional Y-axis extends off-center machining capability to reduce secondary setups.

The NEF 600 accepts workpieces up to 600 mm in swing diameter and up to 1,500 mm between centers, covering a wide range of large-part applications in a single machine. A high-capacity chip conveyor and large-volume coolant system keep cutting conditions consistent during lengthy production cycles, critical for maintaining dimensional repeatability on heavy parts.

With full compatibility with Siemens SINUMERIK 828D and FANUC 0i-TF control platforms, the NEF 600 integrates cleanly into existing shop floor systems. DMG Mori's ERGOline operator panel provides an ergonomic interface that reduces operator fatigue during complex setup and programming tasks.

Full Specifications

Parameter	Value
Max. Swing Diameter	600 mm (23.6 in)
Max. Turning Length	1,500 mm (59.1 in)
Main Spindle Speed	2,500 rpm
Main Spindle Power	30 kW (40 hp)
Main Spindle Torque	1,900 Nm
Spindle Bore	102 mm
Chuck Size	400 mm (15.7 in)
Turret Stations	12
Driven Tool Speed (Optional)	4,000 rpm
Driven Tool Power (Optional)	7.5 kW
Rapid Traverse X / Z	20 / 24 m/min
Control	Siemens SINUMERIK 828D or FANUC 0i-TF
Machine Weight	Approx. 11,000 kg
Footprint (L × W)	5,200 × 2,100 mm
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Newest Year Of Manufacture	Year of construction
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Manufacturer	DMG Mori
Model	NEF 600
Spindle Bore	90 mm

Specifications sourced from machinio.com — verified 2026-03-28

Strengths & Limitations

Strengths

Large swing capacity (600 mm) handles pump bodies, flanges, and energy sector parts other mid-range lathes cannot
High-torque spindle (1,900 Nm) enables aggressive roughing in hardened steel and superalloys
Wide 102 mm spindle bore supports large-diameter bar stock and tubing
Integrated live tooling option eliminates separate milling setups for most features
Robust cast iron bed delivers exceptional damping for superior surface finish on large parts

Limitations

Significantly heavier than smaller lathes — requires reinforced flooring and heavy-lift installation
Higher base price and operating costs compared to mid-range turning centers
Longer setup times for very large parts can reduce effective machine utilization in low-volume shops

Best For

Oil and gas component manufacturers producing large valve bodies and pump housings Power generation suppliers turning turbine shafts, rings, and casings Heavy equipment manufacturers machining large-diameter flanges and hubs Aerospace suppliers working with large-diameter titanium and nickel alloy forgings

Frequently Asked Questions

01 What is the maximum chuck size available on the NEF 600?

The NEF 600 is typically configured with a 400 mm (15.7-inch) chuck as standard. Larger chuck configurations may be available as special options through DMG Mori's application engineering team for specific workpiece requirements.

02 Can the NEF 600 be equipped with a tailstock?

Yes, the NEF 600 is available with a programmable hydraulic tailstock for supporting long workpieces between centers. This is a common option for shaft turning applications common in the energy and industrial machinery sectors.

03 How does the NEF 600 handle chip management during heavy cuts?

The NEF 600 incorporates a high-capacity hinged chip conveyor that removes chips from the work area continuously. Paired with a high-pressure coolant system, it maintains clean cutting conditions and prevents chip recutting during extended production runs.

04 Is the NEF 600 suitable for turning superalloys like Inconel?

Yes. The NEF 600's high-torque spindle and rigid bed construction make it well suited for difficult materials like Inconel, Hastelloy, and titanium. Proper tooling selection and optimized cutting parameters are required to maximize tool life in these materials.

05 What control systems are available on the NEF 600?

The NEF 600 is offered with either Siemens SINUMERIK 828D or FANUC 0i-TF. Both provide full turning cycles, conversational programming, and digital interface capabilities compatible with modern Industry 4.0 monitoring systems.