Crash tests at ENIM (France) laboratory, June 2001: direct penetration of a 25 mm diameter milling tool in plain metal (depth of cut 25 mm) at a feed rate of 10 m/min.

This test is extremely severe for a machine tool spindle and reproduces extreme operating conditions on high speed machining centers.

There is no damage on the S2M spindle: shaft geometry is intact. The spindle can restart immediately to machine parts as usual.

This new S2M product has been developed for the needs of the aircraft manufacturing industry looking for high productivity in aluminium cutting.

A new PM motor is used for high power over a wide speed range : steady 70 kW from 20,000 rpm to 30,000 rpm.

Another advantage : the usual fatigue factors of a spindle have disappeared. MTBF is dramatically increased (over 40,000 hours).

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