rotary actuator


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rotary actuator

[′rōd·ə·rē ′ak·chə‚wād·ər]
(mechanical engineering)
A device that converts electric energy into controlled rotary force; usually consists of an electric motor, gear box, and limit switches.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The rotary actuator provides controlled motion through a 45[degrees] range.
And in the agricultural sector the Smart Universal Rotary Actuator (URA) from HELLA comes into play.
The hardened carbide steel tip features an updated hydraulic rotary actuator, an increase range of motion (up to 280[degrees]), longer piercing depth and a decreased overall width for better visibility.
In contrast to the previous ARC controllers, in order to improve the operability, the simplified ARC approach reduces the relative degree of hydraulic servo system to one by utilizing the feature that hydraulic rotary actuator typically has larger leakage characteristics, which can help to avoid carrying out the complicated backstepping design.
The VRAD-1510 low-power rotary actuator significantly increases the speed, range of rotation, response, and precision of motor shaft movement while reducing the actuator's cost by at least one-third compared to existing devices.
Pangolin Laser Systems (Orlando, FL) has introduced a new low-power rotary actuator based on a dual-coil, segmented stator design.
And the first rotary actuator disc drives, the type now used in all computers, were developed by British engineers at IBM.
The topics include processing materials by electric discharge assisted mechanical milling, structural investigations of iron-based sintered alloys after plasma nitriding, ultrafine-grained copper alloys processed by continuous repetitive corrugation and straightening methods, and shape-memory alloy thin-strip rotary actuator.