AC Servo Motors 2017-06-14T10:41:52+00:00

BRUSHLESS AC SERVO MOTORS

SEM manufactures three ranges of brushless ac servo motor to meet the needs of the different market sectors. Typical applications include: Machine Tools, Robotics, Automation, Transfer Lines and similar applications.

Features include:

  • Sinusoidal motor back e.m.f. waveform

  • Integral resolver fitted as standard

  • Speeds up to 10,000 rpm

  • Thermal sensor mounted in motor winding

  • Class F insulation

  • IP65 enclosure protection

  • IP64 at shaft with seal fitted

  • Double shielded, single row, radial ball bearings which, under normal conditions, are maintenance free

  • A range of design options such as:

  • Holding brake (spring applied or permanent magnet)

  • Incremental or absolute encoder

  • Keyed or non-keyed shafts

  • Plug, flying-lead or terminal connections

  • Variants and special designs are also available on request

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HDM SERIES

HIGH TORQUE DENSITY
LOW INERTIA
EXTREMELY COMPACT DESIGN

Combining Neodymium Iron Boron magnets with segmented sector technology, the HDM series offers high torque to size ratios
– ideal where space is at a premium and high dynamic performance is required.
Available up to 25 Nm.

HR SERIES

LEGACY RANGE,
NOT RECOMMENDED FOR NEW DESIGNS

Combining Neodymium Iron Boron magnets with low inertia rotors, the HR series offers high dynamic performance in frame sizes from 70 to 190mm.
Available up to 67 Nm.

HJ SERIES

LARGE DIAMETER SHAFT, ROTOR & BEARINGS
HIGH ROTOR INERTIA
HIGH SHAFT STIFFNESS

For applications requiring increased stability at low speeds together with increased rigidity. Ideal for machine tool and direct drive applications.
Available up to 67 Nm.