Home Machinist's Journal

Made a few ball ends today on square stock. First, I made a split bushing to hold the square stock. I can directly work with square stock, but with what I had to do, changing to hold square was harder to do than making a split round hole bushing.
ballturn1a.jpg
First to the lathe for the recess.
ballturn1b.jpg
Then over to the mill with a mounted rotary dividing head tiled to 12.6°. And with just a few turns of the RDH and some Z feed a perfect round ball.