Product category:
Positioning stages - linear, rotary, multi-axis
News Release from: LG Motion | Subject: Positioning stages
Edited by the Manufacturingtalk Editorial
Team on 22 February 2007
Compact and low cost positioning stages
LG Motion has introduced a compact, low-cost linear positioning stage based on a PTFE bearing system with a leadscrew drive.
A compact, low-cost linear positioning stage with a manual or motorised drive, is available from motion specialists LG Motion Based upon a well-proven PTFE bearing system with a simple leadscrew drive, the medium precision XSlide has a cross section of just 31 mm high x 48 mm wide yet packs an impressive dynamic load rating of up to 15.9 kg with eight travel lengths from 50 to 750 mm
This article was originally published on Manufacturingtalk on 7 Jun 2007 at 8.00am (UK)
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The design is essentially a smaller version of LG Motion's successful BiSlide positioner featuring a hard anodised bearing rail with an opposing 45 degree dovetail and an adjustable PTFE liner.
The dual dovetail allows even load distribution with a notable impact resistance of up to four times the dynamic loading.
The low coefficient of friction bearing is corrosion resistant and inherently self cleaning.
Available with a hand wheel or with NEMA size 17 or 23 stepper and servo motors, the XSlide has a choice of 1 mm or 2 mm pitch leadscrews in either nickel plated steel or 303 stainless steel.
With a repeatability of 2.5 um per 25 mm, overall positioning accuracy is 76 um per 250 mm as standard, with an optional 38 um per 250 mm higher precision version.
The straight-line accuracy for the bearing system is 25 um per 250 mm.
Both the bearing and leadscrew have easily accessible carriage mounted preload adjusters to take care of fine-tuning and wear compensation in-situ without the need to remove the payload.
The XSlide uses a simple and efficient cleat mounting system for single stages or X-Y and X-Y-Z assemblies.
This cost saving, flexible feature allows almost any configuration without the need for adapter plates as well as providing a means of payload and fixture mounting for quick and convenient assembly.
The modular construction includes overtravel limit switch options and accessories include cleats, mounting bolts and a special adapter gusset to provide higher rigidity for vertical end mounting.
The XSlide is aimed at medium precision applications in production, test and research applications where price and performance are important selection criteria.
For complete positioning solutions, LG Motion supplies a wide range of motion controls and has a complete manufacturing service for customised systems.
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