Tables cut the cost of positioning systems
A
LG Motion product story
Edited by the Engineeringtalk editorial team
Dec 4, 2006
Modular positioning tables provide extremely cost effective manual and motorised positioning solutions for medium precision manufacturing and research applications.
The BiSlide range of modular positioning tables, available exclusively in Europe from LG Motion, provide extremely cost effective manual and motorised positioning solutions for medium precision manufacturing and research applications such as gantry style pick and place and scanning systems.
The simple and flexible BiSlide table design is based around an extruded I-beam hard aluminium alloy profile with dual 45-degree opposing V-ways offering high structural rigidity in all load directions.
Low-friction, bonded PTFE compound bearing pads on the moving carriage with fully adjustable pre-load allow high load capacity with excellent impact load resistance.
Using a system of cleats to interconnect individual axes rather than expensive mounting plates further reduces assembled costs and the simple and reusable assembly method allows an almost endless variety of mounting configurations.
The BiSlide range is available in a single width with a cross section of 38.6 x 87.0mm and with travel lengths from 125mm to 2m.
A choice of 1.0 or 2.0mm pitch, precision-grade acme lead screws with thrust bearing support and a special StabilNut nut assembly with externally adjustable preload simplifies manual and motorised application set-up.
Overall axis repeatability is within 5um and straight-line accuracy is 75um over the entire travel distance.
Maximum direct loading capability is around 140kg with options for increased or cantilever loading available on request.
For low cost motorised applications, the VXM stepper motor controller includes an RS232 connected programmable control and drives for up to four size 17, 23 or 34 stepper motors.
With stand-alone operation using its simple Cosmos programming language or with embedded programming capability via LabView, Visual Basic, C++, VB.Net, C and others, the VMX features nonvolatile memory storage for up to four user-created programs and includes an easy-to-use graphical interface for setup and status.
A complement of I/O for overtravel limit switches and homing functions are included with options of I/O breakout units, analogue or digital joysticks and a user input terminal.
A recent nondestructive test, scanning application included the design, manufacture and supply of a 2 x 2m x-z gantry positioning system with the VXM programmable stepper controller with motors at a total installed cost of less than GBP 9000.
The positioning system included the vertical frame, parallel coupled z-axis with a single bridge x-axis supporting a moving carriage carrying test instrumentation.
For such a large scanning area, the cost of this positioning system indicates the competitive pricing structure for the BiSlide and VXM combination.
LG Motion is also able to offer the BiSlide range with a variety of complementary motor drives and motion control systems from its extensive range of manufactured components and systems.
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