Linear motors and stages

Product Announcement from Baldor Electric Company

Linear motors and stages-Image

Linear motors provide unique speed and positioning performance advantages. Linear motors provide direct-coupled motion and eliminate mechanical transmission devices. They offer substantial improvements over applications using ball screws, timing belts, etc. The rugged mechanical design provides accurate motion and precision positioning for hundreds of millions of cycles. Baldor linear motors and stages are used in thousands of successful applications worldwide. Linear motors provide the following advantages:

* High repeatability - resolution to 0.1 microns (0.000004 inch) - this makes sure all parts produced are accurate and identical

* Highly accurate - to 2.5 micron/300 mm (0.0001 inch/ft) - provides precise machine operation for precision parts

* No backlash - direct drive has no backlash such as with lead screws, gears, etc. this improves the accuracy of the part or operation

* Faster acceleration - from 1 to over 10 G's - this leads to shortened cycle times and improved productivity

* Higher velocities - speeds to over 8 meters/sec (300 inches/second) - to position the payload faster

* Long term reliability - only two parts with only one moving part - this leads to simplicity and improves the applications reliability

* No wear or maintenance - no contacting parts, thus reducing component friction and wear

* Ease of installation - linear motors are designed to allow for alignment tolerances. Misalignment produces no degradation of performance

Linear motors consist of two parts - a stationary track or "platen" and a moving "forcer". They can be provided as a stand-alone linear motor assembly or as a complete stage - built with a housing or enclosure with linear bearings, limit switches, cable track/carrier, protective bellows and linear encoder in a wide variety of lengths. Baldor's product range includes:

Linear Motors
HyCore (a unique type with a magnet-free platen)
Brushless Cog-Free - LMCF series
Brushless Iron Core - LMIC series
DC Brushed Servo Motor - LMBR series
AC Induction Motors - LMAC series
Stepper Motor, Single Axis - LMSS series
Stepper Motor, Dual Axis - LMDS series
Non-Commutated DC Motor
Polynoid Motor - LMPY Series

Linear Stages
Single Bearing Positioning Stage - LSS series
Extruded Positioning Stage - LSX series
Enclosed Positioning Stage - LSE series
Linear X-Y-Z Gantry - LSG series

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