LG Motion offers A25 and A40 elevating stages
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LG Motion product story
Edited by the Engineeringtalk editorial team
May 27, 2009
LG Motion's linear and rotary positioning components include elevator stages for vertical alignment of optics and mechanical systems that need an unobstructed access above and around the table top.
The modular A25 and A40 series elevating stages can be used as part of complete multi-axis positioning set-ups or can provide the supporting base and fine height adjustment for optical and mechanical components used in beam lines or production- and test-related equipment.
The modular A25 and A40 series elevating stages can be used as a part of complete multi-axis positioning set-ups.
The range includes manually driven and motorised versions in two frame sizes with nominal tabletop widths of 63 and 100mm and vertical travel from 25 to 150mm.
A choice of standard or precision grade 1.0mm pitch leadscrew drives ensures accuracy to 20um per 100mm of travel, with manual positioning sensitivity or motorised positioning repeatability within a few microns.
The robust and durable design is based upon LG Motion's Unislide dovetail bearing system, which provides a large contact area and maximum rigidity for direct vertical loads up to 25kg, with vibration-free stability and generous cantilever load characteristics.
The smaller A25 series is available in 25 and 50mm vertical travel versions for manually driven and motorised variants.
A large and easily accessible thumbwheel at the base of the unit provides manual adjustment.
The motorised version requires a larger base to accommodate the NEMA 23 frame stepper motor and motor connector block; overall footprint size is 72.5 x 209mm with maximum height for the 50mm travel unit of 163mm.
The integral stepper motor includes a rear shaft extension with a handwheel fitted; servo-motor driven versions, complete with position-feedback encoders, are available on request.
The larger A40 elevator stage is available in a manually driven configuration for 25 and 50mm of vertical travel; for motorised versions, it is available in 50, 100 and 150mm.
As with the smaller stage, the motorised version requires an extra footprint area that extends to 100 x 336mm; the height for the maximum travel variant is 446mm; it is 219mm for the 50mm travel variant.
Both models include an array of tabletop mounting holes.
The aluminium alloy housing is available in clear or black anodised finish.
Vacuum-rated versions are also available.
LG Motion's standard range includes Bislide, Unislide and Xslide linear stages with low-cost dovetail bearings along with high-precision linear stages with cross roller bearings and ball-screw drives.
Precision rotary stages are also available and from its Basingstoke manufacturing facility, LG Motion offers custom-designed systems and a complete range of drives and motion controls.
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Contact LG Motion
Tel +44 1256 365600
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