Sounds intriguing, Tony - any follow-up posts with pics, per chance?
Any data on the ball screw cross slide enhancement would be much appreciated, at least by me...
I do plan to make posts on both of those subjects and also another recent job, I converted the screw on chuck mounting to a Bayonet type. This provides for a quicker chuck change, a more accurate chuck change and the ability to run backwards. Here are some teaser pix.
Grinding tapers using the compound was one of my objectives so that drove the design along with budget. I wish I had a better chuck mounting system but the two setscrews on the neck of my screw on chuck do a reasonable job of keeping the chuck on when run in reverse. I do check that it's staying tight periodically though.
That's good stuff Tony and I'd appreciate it if you continued it in another thread focused on it.
If you can't make it precise make it adjustable.
When I first joined this forum I asked about the policy for responding to posts and whether it was the done thing to stay strictly on topic as some more rigid forums insist on. I was told in no uncertain terms by several established members that is was quite usual and appreciated to wander off topic as some of the most interesting threads had formed in that way. The wider the topic spread in a thread the more attention is drawn to the original post.
Nice work Tony, I am particularly interested in your bayonet chuck mounting conversion. I have long thought of a way to convert my screw on chucks while keeping the original mandrel (plain bearings) judging by the marks on your mandrel it would appear to be the original. I am thinking modern adhesives may provide the answer but any ideas would be well received.
Saltfever (Jan 16, 2021)
Nice Tony! I’m kind of confused by the term “bayonet”. It kind of looks like the beginning of a Long style or “D” type taper mount. Or were you referring to sumptin else?
Your ball-screw conversion, as well as your very unique thinking for the mount, deserves its own post. Very much looking forward this work.
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