Zero-Backlash Drives come in 2 pinion arrangements.

Press Release Summary:



Rack and pinion drives eliminate system backlash via split-pinion or dual-pinion arrangement. Positioning accuracy is maintained during acceleration and deceleration as well as for direction of travel reversals. Mechanically preloaded split-pinion drives utilize axial spring to load one pinion half against other. Electrically preloaded dual-pinion drives utilize 2 motors, each driving one pinion loaded against each other via motor controller.



Original Press Release:



Ultra-Precise Positioning Achieved with Zero-Backlash Rack and Pinion Drives



Atlanta Drive Systems, Inc. offers a range of zero-backlash rack & pinion drives that eliminate system backlash by means of a split-pinion and dual-pinion arrangement, providing ultra-precise positioning and repeatability. Positioning accuracy is maintained during acceleration and deceleration, as well as for direction of travel reversals.

The backlash is eliminated by using two pinions - one to drive the axis and the other to engage the opposite tooth flank and take up the backlash. Mechanically preloaded split-pinion drives utilize an axial spring to load one pinion half against the other. Electrically preloaded dual-pinion drives utilize two motors, each driving one pinion, which are loaded against each other by means of a special motor controller.

These drives are perfect for a wide range of applications, including traveling gantries & columns, milling machines, and material feel axis drives. Industries served include Material Handling, Automation, Aerospace, Machine Tool and Robotics.

Typical delivery time for these drives is only 3 to 4 weeks - ideal for OEM's requiring just-in-time delivery schedules. Special and/or modified designs are always possible.

For more information, contact Atlanta Drive Systems at: (800) 505-1715, or on the web at: www.atlantadrives.com.

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