Lead Screws, Stainless Steel Lead Screws, Teflon Coated Leadscsrews, Miniature Linear Actuators, Rotary Motion Conversion

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	Size 11 Double Stack Non Captive Linear Actuator
	Size 11 External Double Stack Linear Actuator
	Size 14 with Integrated Connector

"W" WEDGE SYTLE ANTI-BACKLASH NUT

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The Haydon "W" series anti-backlash nut assembly utilizes a patent pending system which preloads two threaded nut halves to eliminate backlash without sacrificing efficiency. This system optimizes load carrying capability and bi-directional axial stiffness while minimizing drag torque and system lost motion.

The "W" series anti-backlash nuts are self-compensating for system wear. These nuts are available with a thread mount and are easily customizable with a variety of standard or special flange configurations.

Our standard offering is a proprietary self-lubricating polyacetal thermoplastic that offers the following traits:

• Low coefficient of friction
• Good mechanical strength
• Excellent abrasion resistance
• Excellent impact resistance
• Long life
• Excellent chemical compatibility
• Operating Temperature Range: 0°C -85°C (32°F-185°F)

Building Part Numbers

Optional Flange Adapter

» "N" Freewheeling Style Nut
» "C" Compression Style Anti-Backlash Nut
» "W" Wedge Style Anti-Backlash Nut
» "T" Torsional Style Anti-Backlash Nut

Download 2D/3D Model

"W" WEDGE STYLE ANTI-BACKLASH NUT

Screw Ø	Nut Ø	Nut Length (max)	Thread	Thread Length	Design Load Rating	Drag Torque
ØA	ØB	C	TH	D
3/16 - 1/4 in. (4.8 - 6.4 mm)	0.625 in. (15.88 mm)	1.05 in. (26.61 mm)	9/16 - 18 (No Metric)	.240 in. (6.10 mm)	10 lbs. (4.54 kg)	4 oz-in. max. (2.8 N-cm) max.
3/8 in. (9.5 mm)	0.75 in. (19.05 mm)	1.32 in. (33.53 mm)	5/8 - 18 (No Metric)	.320 in. (8.13 mm)	25 lbs. (11.34 kg)	5 oz-in. max. (3.5 N-cm) max.

"W" WEDGE NUT STYLE OPERATION OVERVIEW

Exploded View of Nut
An exploded view outlining all of the functional parts of the wedge style nuts is shown in figure 3. It can be seen that there is a spline on the rear nut. A mating spline is located inside the front nut. These splines prevent rotation of the two nut halves. The names of all of the components are also outlined in the exploded view.
W Wedge Style Nut Operation Overview

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