Air Bearing Positing Stage,a linear motor,product,ABS-021-12-017-X
Air Bearing Positing Stage, ABS-021-12-017-X Thumbnail,

The ABS-021-12-017-X air bearing positioning stage uses a brushless linear motor to generate a continuous/peak force of 16.5 lbs [73.6 N]/49.0 lbs [220 N] with a total stroke length of 21.3 in [541 mm]. The non-contact 1.0-micron resolution encoder allows for precise positioning. It is guided by 5 flat magnetically preloaded non-contact porous carbon air bearings (flat air bearing) floating on a granite base with excellent flatness and straightness specifications. There are also provisions that allow customer cables to be routed within the cable carrier. It has end-of-travel rubber bumper stops. End-of-travel-sensors and custom mounting holes on the moving table are available upon request. This system has no wearing parts. It is ideal for applications that require frictionless motion with low velocity ripple.

Motor P/N BLDM-D04
Stroke21.3 in541 mm
Encoder Resolution1 micron
Bearing TypeAir Bearing
Moving Mass12 lbs5.4 kg
Total Mass105 lbs47.6 kg
Resistance @ 20C18.2 ohms
Inductance @ 20C24.2 mH
Electrical Time Constant1.3 msec
Motor Constant2.6 lbs/√watt11.6 N/√watt
Force Constant11.2 lbs/amp49.6 N/amp
Back EMF1.3 V/ips49.6 V/m/sec
Force @ 100% Duty16.5 lbs73.6 N
Power @ 100% Duty51.8 watts
Current @ 100% Duty1.5 amps
Force @ 10% Duty49 lbs220 N
Power @ 10% Duty466 watts
Current @ 10% Duty4.4 amps
Stage Length30.44 in773 mm
Stage Width12 in305 mm
Stage Height5.5 in140 mm
Product Drawing

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