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High-performance Machining

Superior machining performance in Class #40

Wide range of machining performance for extensive machining needs, from low-speed heavy cutting to
high-speed machining.

Face mill φ80 End mill φ60

Work material: S50C Work material: A5052 Work material: A5052
Rotational speed: 1 200 min–1 Rotational speed: 8 000 min–1 Rotational speed: 20 000 min–1

Metal removal rate: 504 cm3/min Metal removal rate: 3 780 cm3/min Metal removal rate: 2 500 cm3/min

Mounted with a highly rigid bearing for the highest performance in its class

A high rotational speed of 20 000 rpm was achieved under position-preloaded bearings of φ70 mm in bore diameter.
In addition, four rows of front bearings and two rows of rear bearings, for a total of six rows, were adopted to
dramatically enhance spindle rigidity.

Four rows of front spindles Two rows of rear bearings
Position-preload Grease replenishment

φ 70mm
(1.7×106 dmn)

Cylinder cooling

NSK’s state-of-the-art precision bearing technology

Incorporates the ROBUST Series, proven bearings for machine tools. Ceramic balls are used for higher speed,
high rigidity, and high reliability.

Cool running
Optimization of internal design realizes cool running.

Improved anti-seizure property
Improved heat robustness to handle changes in ambient
temperatures.

Ceramic ball
Adopts a high-precision ceramic ball for the rolling element to
provide high speed, high precision, and high rigidity.

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