Highest Torque Density AC Servo Actuator

The new SHA brushless servo-actuator from Harmonic Drive LLC provides the highest torque density of any actuator in its class

The new SHA brushless servo-actuator from Harmonic Drive LLC provides the highest torque density of any actuator in its class. Positional accuracy better than 1 arc-min and ±5 arc-sec repeatability is achieved while delivering up to 30,000 in-lb of torque. A robust cross-roller bearing allows mounting of large loads directly to the actuator without additional support. The SHA Series actuator also features a compact, hollow shaft configuration that allows design versatility for demanding applications. Features include:

• Hollow-shaft: Inside diameter up to φ65mm
• Flat Design: Actuator length is shorter than its outside diameter
• Torque to Volume Ratio: More than 5 times that of a Direct Drive Motor
• Output Torque: up to 3400 Nm
• Output bearing, gear reduction and motor winding specification to suit your needs.
• 17bit Magnetic Absolute Encoder
• It is also available to order as a "motor only"
• Now available with hollow shaft planetary gear option - HPF series HarmonicPlanetary® - for higher output speeds
• New option - low voltage winding, 48V DC to 90V DC available for same sizes

More information on the SHA brushless servo-actuator can be viewed at-

A copy of this Press Release can be viewed at-

For more information, please contact:

Warren Osak
Toll Free Phone: 877-737-8698
Toll Free Fax: 877-737-8699

Tags: Harmonic Drive, Electromate, Servo Actuator, AC Servo Actuator, Hollow Shaft Actuator, Brushless Servo Actuator

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