The ALS25000 was designed to have a low profile,
with protective metal waycover and side seals, intelligent cable
management, exceptional velocity control, low vibration, high
accuracy, and excellent throughput, making it the ideal solution
for demanding applications in dirty environments.
High Performance in a Compact Package
ALS25000 series stages incorporate the highest quality materials
and design elements. The result is a high-reliability linear stage
with excellent accuracy, straightness and flatness performance,
and a virtually unlimited, trouble-free service life.
Recognizing the importance of stage stiffness, the ALS25000 linear
bearings are supported by the maximum cross-section possible while
still maintaining an overall low profile. Outstanding system straightness
and flatness are obtained, particularly in XY configurations.
Linear Motor Drive
Unlike other linear motor stage designs that utilize an iron-core
flat motor design, the ALS25000 is driven by a high-power ironless
forcer and U-channel magnet track. This design is superior in
high-performance applications.
Since the forcer is ironless, it is a cog-free design. The lack
of cogging enables extremely tight velocity control as well as
superior contour motion profiles without sacrificing speed or
acceleration. The magnetic field of the linear motor is totally
self-contained within the U-channel design. Most high-performance
applications cannot tolerate the stray magnetic fields generated
by flat motor magnet tracks.
The magnet track is composed of opposing rows of high-power magnets
that help to generate high output forces. This approach eliminates
the need for an iron-based core, which has an inherent magnetic
attraction between the forcer and the magnet track. This attractive
force presents an additional load to the bearings that reduces
stage life and performance.
Cable Management System
Extensive R&D has resulted in an optimized cable management
system (CMS) that is designed for millions of cycles of maintenance-free
operation. Designed to provide a turnkey system for both single-
and multi-axis systems, upper-axis cabling is incorporated into
the overall system CMS. To facilitate integration into the final
system, a spare 25-pin D-connector and cabling are included for
customer use. Custom configurations are common and are readily
available.
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