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3/8
3/8
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3/8" Anti-Backlash Nut
$27.95

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Introduction:

This is a nut that uses a spring to reduce/eliminate backlash

Description:

You use this nut with a lead screws on motion related applications. This anti-backlash nut is mated with the 3/8" 5 start 10 TPI lead screw

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Related Tutorials
Technique to Minimize Backlash by Gérard C.
Getting rid of backlash seems to be the biggest concern for the CNC hobbyist, especially when milling PCBs since copper traces for surface mount devices are used. Surface mount devices are very small electronic parts that contain leads that are extremely close together, or the leads are found on the bottom of the component and the part usually lays flat on the PCB (Printed Circuit Board).
Step 9: Z-Axis Lead Screw and X-Axis Aluminum Angles
This tutorial is dated, if you are considering a CNC for your personal use, we would highly recommend purchasing a kit that is very stable from our wide range of machines available. Instead of using allthread for the lead screw and a standard nut, consider using a 5 start lead screw and anti-backlash nut. It will keep you from pulling out your hair by running much smoother and faster. Lead screws... hmmm... ok, let's talk concepts. The lead screw is the main component for the transmission of power in a linear form. Yes, a little like the transmission in the car, but much simpler. The screw yields a ratio of force to the linear motion, but conversely affects the speed and resolution of linear motion. To explain in more simpler terms, take a regular screw, and a nut. Hold the nut in one hand but don't turn it. Hold the screw in the other hand and screw it in the nut. Your hand is applying a force to the screw in a circular motion, hence the motor turning the shaft, and if the screw is turning at a stationary point in space, it will pull the nut toward the hand turning the screw. If the turning motion of the screw is reversed, the nut is pushed away from the hand turning the screw.
Thumbnail: Lead Screws of Differing Types Single Starts, 2 Starts, 5 Starts, TPI, Lead, HUH?!?
I think it's about time to talk about lead screws. So, what is this lead screw that is always mentioned throughout this website. Lead screws also have all of these terminologies and esoteric language that I will demystify. Maybe you will also start to understand the math behind the linear motion and how different lead screws will provide various linear motion characteristics.
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