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Push rod actuators have precise accuracy
A
Micromech product story
Edited by the Manufacturingtalk editorial team
Jan 11, 2006
The latest, easy-to-install, thrust rod actuators deliver the speed of a belt-drive system with the accuracy of a precision screw axis and the clean reliability of a linear motor.
The latest PowerRod actuator - the PRC from Micromech - delivers the speed of a belt-drive system with the accuracy of a precision screw axis and the clean reliability of a linear motor.
This additional range following the recent launch of the PRA actuators has the same familiar form factor, integral position feedback and large air gap that makes installation very simple.
The PRC motor components consist of an IP67 rated forcer and a sealed stainless steel thrust rod enclosing rare-earth magnets.
There are four models that deliver a continuous force range of 51N to 102N with peak forces of 312N up to 780N, having acceleration up to 256m/s2 and very quick speeds up to 8.7m/s.
Alternative thrust rods are available, the standard sizes are in travel lengths up to 1200mm and available on request are specials travel lengths up to 2000mm.
No external encoder is required as this comes integrally with the position output in the form of industry standard 1V pk-pk sin/cos signals.
The load is mounted directly to the forcer typically supported by a single bearing rail and the thrust rod is mounted at both ends, similar to a ballscrew.
Unlike many other linear motor/actuators this has a large air gap reducing alignment constraints.
Furthermore the tubular motor has superior thermal efficiency, radiating heat uniformly that even high duty cycles are possible without the need for forced-air or water-cooling.
This innovative actuator is reliable and cost-effective and its compact design makes for simple mechanical integration where all the units are easily set-up to be integrated into existing drive solutions.
Requiring no maintenance or adjustment they can be mounted directly to the load and this rugged forcer is therefore ideal to be applied in pick-and- place gantries, automated assembly and general purpose material handling machines.
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