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Milling Center Model

Okuma MU-4000V
5-Axis Vertical Trunnion Style Machining Center


Our MU-4000V 5-Axis CNC Vertical Machining Center combines high efficiency and accuracy to deliver high-quality workpieces with many machined portions. Simultaneous 5-axis surfacing and turning enables one-chuck multi-sided machining, along with outstanding surface quality and dimensional accuracy. With one of the largest work envelopes in its class, this machine provides the flexibility to handle a wide range of workpieces while maintaining the most compact footprint possible.

This MU-4000V builds on our expertise in double-column-designed, highly accurate, highly rigid machining centers, and full 5-axis cutting capability. The machine provides easy access to the working area and loading position, reducing operator burden during setup. Long-term capabilities are enhanced by the availability of peripheral equipment, including pallet pools and matrix automatic tool changers.

A high-speed, high-power motor is available with either CAT 40 or HSK A-63 taper spindles and the option of turning mode on the C-axis table for added processing capability. This model incorporates a high-speed 32-position automatic tool changer and 1968 ipm rapid traverse, resulting in a powerful production capability.

The MU-4000V includes the latest full 5-axis simultaneous control system, the OSP-P300. The control offers functionalities such as the patented OSP absolute position encoders, which do not require a zero return, and the latest Easy Operation screens and software.

Take advantage of a full range of Intelligent Technologies, including Thermo-Friendly Concept, Collision Avoidance System, Machining Navi, and 5-Axis Auto Tuning System. This machine is well-suited for the aerospace and die/mold industries.

The MU-4000V was named one of the Best 10 New Products of 2015 by Nikkan Kogyo Shimbun’s Business & Technology Daily News.



5-Axis Vertical Trunnion Style Machining Center
Machine Type: Machining Center
Num. of Axes: 5
Work Support: Table
Column Construction: Multi/Bridge Column Style: Stationary
Operation Type: CNC
Table Size L x W (in.) 15.750 x 15.750
Dual Axis Table: Standard
Num. Main Spindles 1
Orientation Vertical
Top RPM 15,000 Opt: 20,000, 25,000
Horse Power (30 min rating) 30.00   Opt: 25.00
# Speed Ranges 1
Type Fixed
Primary Tool Carrier(s) ATC
Number of Tools 32    Opt. 64
Head Changer Standard
Number of Axes: 5   U Axis: None
Travel Max Feed Rapid Rate
X1 Std. 29.130 in. 1,969 ipm
Y1 Std. 18.110 in. 1,969 ipm
Z1 Std. 18.110 in. 1,969 ipm
Machine Weight (lbs) 21,385
amt Modern Machine Shop Production Machining Moldmaking Technology