Actuator technology extends travel ranges
An
Orlin Technologies product story
Edited by the Engineeringtalk editorial team
Apr 25, 2006
Multi-pole linear micro-positioning stages use moving coil actuator technology to extend travel ranges while maintaining high speed, resolution and repeatabilty.
Orlin Technologies has announced the MLA series of multi-pole linear micro-positioning stages from Smac.
This development of moving coil actuator technology allows extended travel ranges while maintaining the advantages of Smac actuators over conventional micro-positioning equipment, namely high speed, resolution and repeatabilty.
Initial offerings in the MLA range are the MLA20-100 with 100mm of travel and the MLA55-600 with 600mm of travel.
These units are claimed to offer dynamic performance comparable with linear induction motors at a price similar to conventional ballscrew stages.
Standard closed-loop resolution options range from 5um to 100nm with finer resolutions on request.
Because of their direct drive linear motors which display zero hysteresis and backlash, repeatability of +/-1 encoder count can be achieved.
The multi-pole actuators can also take advantage of the soft-land feature used on the single pole units.
A soft-land is achieved by precisely controlling the force exerted by the actuator, enabling it to handle delicate objects without damage.
MLA series actuators are for precise positioning, constant-velocity scanning applications and high speed pick and place.
Smac can also sell integrated multiple axis combinations, with cables routed neatly to avoid problems with flying leads.
The firm can engineer custom devices for OEM applications.
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