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MOTION CONTROL NEWS

AST Bearings (Montville, NJ) introduced the High Carbon Chromium Steel Tapered Roller Bearings line, comprised of the inner and outer rings, tapered rollers, and a cage (roller retainer). The rings and rollers carry the load; the cage spaces and retains the rollers on the inner ring.
For more information click here.

Harmonic Drive (Peabody, MA) introduced the FHA Mini Actuator, a hollow shaft, brushless servo actuator. The unit is a combination brushless DC servomotor and an encoder, with a through-bore up to 14 mm in diameter. The flanged output is supported by a bearing structure allowing the load to be mounted to the actuator. The maximum torque is up to 250 in-lb, with an accuracy of 1.5 arc minutes.
For more information click here.

Intelligent Motion Systems (IMS, Marlborough, CT) released the MDrivePlus motion control system for brushless motor applications. The unit features 20 microstep resolutions to 51,200 (fell step, degrees, metric, and arch minutes), a motion control system-on-a-chip, electronic gearing, 6,385 bytes of program storage, and analog input to 10 VDC. Drive voltage ranges include +12 to +75 VDC and 120 and 240 VAC.
For more information click here.

MRC Bearing Services (Kulpsville, PA) released the custom-engineered "HNCR" steel bearings made from high-nitrogen corrosion-resistant steel. The bearings display a hardness of 58 HRC, and have an extended fatigue life. Chromium has been added to further augment durability and corrosion resistance.
For more information click here.

See the December edition of Motion Control Technology -- inside selected editions of NASA Tech Briefs -- for more on these and other new products. Search products by category online by clicking here