rotary actuator

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Noun1.rotary actuator - (computer science) the actuator that moves a read/write head to the proper data track
actuator - a mechanism that puts something into automatic action
computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures
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Rotational movement is provided by either a hydraulic rotary actuator or servo-electric motor.
A low-profile body design and high axial thrust loads are features of the Series RCC rotary actuator. The unit's compact size easily accommodates applications within confined areas.
The RR-76 rotary actuator is designed for harsh, heavy-duty industrial applications.
The facility includes a rotary actuator and two linear actuators.
The L30 Series is the latest addition to the company's line of rotary actuator solutions.
Pressure control is achieved through valve controls, pump controls or rotary actuator control, which is not generally used.
The L20 Series of hydraulic rotary actuators was designed as an economical, ultracompact, lightweight, high-torque rotary actuator that could be used effectively as an alternative to hydraulic cylinders.
Alpha Gearheads Ltd of The Big House, 1 Moorland Road, Burslem, Stoke-on-Trent, Staffordshire, tel:0870 844 0120, the manufacturers of low back-lash planetary gearheads are currently introducing their Ternary fully integrated programmable positioning/drivel motor/linear or rotary actuator.