Actuators have variable speed control
A
Danaher Motion product story
Edited by the Engineeringtalk editorial team
Mar 25, 2002
MaxJac is a new line of compact actuators from Thomson Micron that deliver variable speed control for thrust applications.
MaxJac is a new line of compact actuators from Thomson Micron that deliver variable speed control for thrust applications.
The new actuators offer a number of features that make them ideal for throttle control, fine lift adjustments and valve actuation.
These applications can be particularly advantageous in the design of recreational vehicles, commercial cleaning machines, construction equipment and medical pumps.
The thrust action is initiated by a high-torque-density permanent-magnet 12V DC motor, whose torque is multiplied by high efficiency, precision gearing.
The gearmotor produces a continuous torque of 0.14Nm and a peak torque of 0.51Nm.
The torque is then translated to a thrust by a precision-rolled ballscrew capable of 25.4km of L10 life when axially loaded to 750N.
Accurate, absolute positioning is maintained over the entire stroke by a precision potentiometer, which is geared directly to the main axis and provides closed-loop position feedback.
The core components are protected by a shell of cast/machined and anodised aluminium housings.
All interfaces are sealed off from ingress of contaminants or liquid.
The actuator enclosure is rated to IP64 (Nema 4X), which qualifies it for indoor or outdoor usage due to its dust-tight, splash-tight and corrosion-proof qualities.
Standard mounting options include a clevis-to-clevis or a clevis-to-flange design.
These configurations provide engineers overall design simplification and quick and easy installation.
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