How to Machine a Cast Iron Backing Plate for a New 6-Jaw Chuck

Learn how to install and machine a new 6-jaw adjustable chuck on a Grizzly G0602 lathe in this comprehensive tutorial video. Follow along as the process of re-machining a cast iron backing plate is demonstrated step-by-step. Discover techniques for turning and threading a plug gauge, mounting and boring the backing plate, threading and counterboring it, and machining both sides. Gain insights into mounting the chuck and testing its Set-Tru concentricity adjustment. Master the skills needed to properly install and adjust a precision lathe chuck for improved machining accuracy.

Intro
The chuck
The spindle nose
Turning a plug gage
Threading the plug gage
Mounting the backing plate for machining
Boring out the backing plate
Threading the backing plate
Counterboring the backing plate
Machining the other side
Mounting the chuck
Testing Set-Tru concentricity adjustment
Conclusion