Machine Design

Antibacklash Nuts

The W Series of antibacklash nuts eliminates minimal backlash between the leadscrew and nut interface on external linear actuators.

Manufactured from self-lubricating polyacetal, the nuts provide low drag torque and smooth operation with precision rolled stainless-steel leadscrews. The nut assembly preloads two threaded nut halves to eliminate backlash and optimizes load-carrying capability and bidirectional axial stiffness while minimizing drag torque and system lost motion.

Also available is the N Series freewheeling nut for applications not requiring antibacklash control.

Haydon Switch & Instrument Inc., 1500 Meriden Rd., Waterbury, CT 06705, (800) 243-2715, hsiinc.com

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