WFL Millturn Technologies Mill-Turn Machines

WFL M120 MILLTURN

$2,000,000 - $5,000,000 Updated 2026-03-11

Key Specifications

Max Turn Length

Up to 12000 mm (472.4 in)

swing over bed

1,220 mm (48 in)

swing over cross slide

1,140 mm (44.9 in)

center distances

2,000 / 3,000 / 5,000 / 6,500 / 8,000 mm

turning spindle power 60pct

126 kW (169 hp)

turning spindle power 100pct

100 kW (134 hp)

Overview

The WFL M120 MILLTURN is a large-capacity complete-machining center built for the most demanding workpieces in aerospace, energy, and heavy industry. With a swing diameter over the bed of 1,220 mm and swing over the cross slide of 1,140 mm, the M120 handles turbine rotors, large crankshafts, generator shafts, and structural components that simply won't fit in smaller multi-tasking machines. Center distances range from 2,000 mm to 8,000 mm, with the machine capable of turning lengths up to 315 inches (8,000 mm) on the largest configuration.

The turning spindle is a powerhouse, delivering up to 126 kW (169 hp) at 60% duty cycle with maximum torque reaching 9,860 Nm — enough to rough-turn large-diameter forgings in titanium Ti-6Al-4V and nickel superalloys without backing down on feed rates. Maximum turning spindle speed reaches 1,600 RPM on the standard version or 1,000 RPM on the high-torque variant. The milling spindle delivers 30-55 kW depending on configuration, with speeds up to 6,000 RPM on the standard head or 3,200 RPM on the high-torque milling option, producing up to 730 Nm of milling torque.

The B-axis swivels from -110° to +90°, enabling complex angular machining, gear cutting, and off-axis boring operations across the full work envelope. Like its smaller sibling the M80, the M120 runs on Siemens SINUMERIK 840D sl controls with WFL's proprietary machining cycles for gear hobbing, thread whirling, deep hole drilling, and crankshaft machining. Through-spindle coolant at 150 bar is standard for chip evacuation in deep holes and demanding materials.

The M120 sits in a class with very few direct competitors. The Mazak Integrex e-1600V and DMG Mori NTX 3000 approach its capability on smaller workpieces, but neither matches the M120's combination of swing, between-centers distance, and spindle power. For shops machining components valued at $50,000-$500,000 per piece — where a scrapped part means a six-figure loss — the M120's ability to complete all operations in one setup eliminates inter-operation errors and reduces total cycle time by 40-60% compared to multi-machine processes.

Full Specifications

Parameter	Value
Swing Over Bed	1,220 mm (48 in)
Swing Over Cross Slide	1,140 mm (44.9 in)
Center Distances	2,000 / 3,000 / 5,000 / 6,500 / 8,000 mm
Turning Spindle Power 60pct	126 kW (169 hp)
Turning Spindle Power 100pct	100 kW (134 hp)
Turning Spindle Torque Max	9,860 Nm (7,273 ft-lbf)
Turning Spindle Speed Max	1,600 RPM (standard) / 1,000 RPM (high-torque)
Milling Spindle Power	30 - 55 kW (40 - 74 hp)
Milling Spindle Torque Max	730 Nm (538 ft-lbf)
Milling Spindle Speed Max	6,000 RPM (standard) / 3,200 RPM (high-torque)
B Axis Swivel	-110° to +90°
Coolant Through Spindle	150 bar (2,175 psi)
CNC Control	Siemens SINUMERIK 840D sl
Machining Operations	Turning, milling, boring, drilling, gear hobbing, deep hole drilling, thread whirling, crankshaft machining
Travel Distance X Axis	1110/1120 mm (43.7/44.1 in)
Travel Distance Y Axis	650 mm (25.6 in)
Travel Distance B Axis	-110°/+90°
Changer Capacity	36/72/108
Max Turning Diameter	⌀1140 mm (44.9 in)
Max Turning Length	Up to 12000 mm (472.4 in)
Size	Varies by Configuration
Speed	1000/1600 rpm
Power	103/113 kW (138.1/151.5 Hp)
Torque	10160/14000 Nm (7493.6/10325.9 ft-lbs)

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

Strengths & Limitations

Strengths

1,220 mm swing and up to 8,000 mm between centers handles the largest aerospace and energy workpieces on the market
9,860 Nm turning spindle torque enables aggressive roughing in titanium and Inconel forgings without compromise
126 kW turning spindle power (60% duty) drives heavy metal removal rates that compete with dedicated CNC lathes
Complete machining eliminates 40-60% of total cycle time by avoiding multi-machine setups and inter-operation transport
B-axis range of -110° to +90° enables complex angular operations including gear cutting under any tool angle
730 Nm milling spindle torque allows aggressive face milling and slot milling operations on hardened materials

Limitations

$2-5M price point limits the M120 to well-capitalized aerospace, energy, and defense operations
Machine footprint and weight require substantial foundation work and typically a dedicated floor area
Operator and programmer skill requirements are among the highest in the machine tool industry
WFL's limited production capacity means lead times of 15-24 months for new orders
Service and spare parts rely on WFL's small but specialized global service network — no local HFO-style dealer model
CAM programming requires specialized post-processors and deep knowledge of WFL's proprietary machining cycles

Best For

Aerospace OEMs and tier 1 suppliers machining large turbine discs, compressor rotors, and structural forgings Power generation equipment manufacturers producing generator shafts, turbine rotors, and large valve bodies Oil and gas equipment shops machining subsea components, large bore cylinders, and Christmas tree assemblies Defense prime contractors requiring complete machining of large, classified components in a single controlled setup Heavy industrial manufacturers producing crankshafts, large gears, and precision spindle assemblies

Frequently Asked Questions

01 How does the M120 compare to the M80?

The M120 is a significant step up in every dimension. Swing increases from 1,000 mm to 1,220 mm, turning spindle torque jumps from the M80's range to 9,860 Nm, and milling spindle torque reaches 730 Nm. The M120 is for workpieces that physically won't fit in the M80, or where the M80's spindle power isn't sufficient for the required metal removal rates. Price difference is roughly 60-80% more for equivalent configurations.

02 What materials can the M120 handle?

Everything — the M120 is designed for the most demanding materials in industry. Titanium Ti-6Al-4V, Inconel 718, Waspaloy, hardened steels to 60 HRC, stainless steels, and exotic nickel alloys are all standard workpiece materials. The 150 bar through-spindle coolant and 9,860 Nm spindle torque are specifically sized for these challenging cuts.

03 What is the accuracy capability?

WFL guarantees positioning accuracy and repeatability figures on a per-machine basis during acceptance testing. Typical achievable tolerances are ±0.005 mm on turned diameters and ±0.01 mm on milled features. Thermal compensation systems and in-process measurement probing maintain accuracy during long machining cycles that can run 20+ hours on large workpieces.

04 Is the M120 available on the used market?

Rarely. Owners of M120-class machines typically keep them for 15-25 years, and there are relatively few in existence. When a used M120 does come to market, it typically sells quickly at 50-70% of new machine cost depending on age and condition. Budget for a rebuild or retrofit if considering a used machine more than 10 years old.

05 What foundation is required?

The M120 requires a reinforced concrete foundation engineered for the machine's weight and dynamic cutting forces. WFL provides foundation drawings during the pre-installation phase. Expect foundation costs of $50,000-$150,000 depending on existing floor conditions and machine configuration. The foundation must be isolated from surrounding machine vibrations.