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Nexen Group, Inc.
 

Rack and pinion drive
750 – 10500 N Nexen Group, Inc.

Nexen Group Inc. announces the Roller Pinion System, Universal Rack model. Nexen's Roller Pinion System (RPS)--also available in Premium Rack and Standard Rack models--delivers precise linear positioning with zero backlash for high-precision motion control applications. The Universal Rack model provides an ideal solution for customers that require the advanced features of the RPS system with thrust ratings up to 750 - 10500 N.

Differing from a traditional rack and pinion system, the RPS features a unique roller pinion/toothed rack combination. The pinion is comprised of bearing supported rollers that engage a unique tooth profile. Each tooth profile is precisely measured to ensure high positional accuracy and eliminate cumulative error. As a result, the Universal Rack model delivers high positional accuracy to ± 50 μm (± 0.002 in), and an innovative meshing action results in less than 5 μm (± 0.0002 in) of backlash.
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