Faulhaber Series 2057...BHS high-speed brushless DC servomotor

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The 2057…BHS series is a high-efficiency slotless design that features smooth speed control with a wide continuous duty speed range up to 40,000 rpm while remaining cool to the touch.

The motor was designed to address the specific requirements of the medical and dental handpiece markets. The motors are capable of handling intermittent overload conditions to address highly dynamic motion over shorter cycle times. Low vibration, which reduces user fatigue, and low audible noise are suitable for long periods of use in sensitive medical and dental patient environments.

The motors come with digital hall sensors and analog hall sensor feedback is available on request. This eliminates the need for an additional encoder for slower-speed operation for dental implant or endoscopic positioning applications, which can reduce cabling complexity within the handpiece itself. Preloaded ball bearings ensure that the motors are able to withstand the radial (22N) and axial loads (75N) in a handpiece. The long service life can be extended even more through the easy replacement of the front bearing.

A wide variety of high-precision gearheads, high-resolution magnetic and optical encoders and drive electronics are available to complete the drive system.