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Machine Design

Quick-release nut for leadscrew tables

A “quick-release” nut for the company’s DryLin leadscrew tables is designed to make format adjustments faster and easier by reducing the number of revolutions required to position the carriage on a leadscrew assembly with a small pitch.

Leadscrew tables can be adjusted by simply pushing a button, which releases the linear slide from the thread. The carriage can then be manually pushed into place and locked in position. Adjustments requiring increased precision can be made using the mechanism’s hand wheel.

The nut’s fast-action release makes it possible for half of the thread transmitting the force to move out of the threaded area. Once adjustments are made, the partial thread locks back into its other half when the pushbutton is released. Because the self-locking trapezoidal thread acts as a brake, the nut comes to an immediate standstill after manual positioning.

Two styles of tables with the nut are available: HTS, a flexible slide table with several shaft and screw combinations, including hard-anodized aluminum, steel, and stainless steel; and HTSP, a lightweight alternative that uses plastic blocks.

igus Inc.
Box 14349
East Providence, RI 02914
(800) 521-2747

© 2011 Penton Media, Inc.

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