Aerotech offers ultra-high precision motors
An
Aerotech product story
Edited by the Engineeringtalk editorial team
Sep 22, 2008
Aerotech's ALS130H linear motor driven positioning stages have been designed for ultra-high precision scanning and positioning applications.
The two-part stage design outperforms lead-screw driven alternatives and offers a far higher load acceleration force than piezo-based positioners.
The H-stage design brings together the latest technologies available from Aerotech, building upon and improving the performance of the ALS130 series.
It combines a centre driven zero-cogging brushless linear motor, anti-cage creep cross roller bearings and a 4.0 micron glass scale linear encoder with 40MHz encoder processing when used with Aerotech's motion controls.
The result is a compact and ultra-stiff mechanical system for high performance test, measurement and inspection applications, capable of delivering smooth low speed performance with vibration free, ultra-fine resolution.
The ALS130H is available in a choice of 25, 50, 100 and 150mm travel ranges in single axis or pre-aligned X-Y configurations.
Stage resolution is from 0.5nm to 1 microns with maximum acceleration to 1g (no load) and maximum speeds to 300mm/sec.
Bi-directional repeatability, measured in accordance with Aerotech's stringent certification standards is within 75nm.
Best accuracy using Aerotech's Halar calibration is to +/- 0.3 microns.
The straightness and flatness specifications exceed +/- 3.0 microns for the 150mm-travel version.
With direct load capability up to 12kg, the small footprint and low profile housing is just 130mm wide and 40mm high, for the 25mm-travel version.
Overall extended length is less than 200mm.
The two-part stage housing is black anodised aluminium with a high-durability hardcoat finish and the table top includes ample threaded inserts for customer fixture mounting.
Cable assemblies are included and full cable management is available for single-axis or X-Y configurations.
Maintenance requirements are minimal due to its non-contact motor and encoder design and highly durable bearing system.
Aerotech provides motion controls and the drive technologies that fully realise the ultra-high resolution capability of the ALS130H.
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Contact Aerotech
Tel +44 118 940 9400
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