A post a while back about a Swing Up Treading Tool stuck in my mind. So when it became time to thread the neck of the ER collet chuck I built this week, I made a temporary version of it. Along with the ability to instant reverse my little lathe, and it's variable speed capability (the Treadmill motor) the tool worked great.
So yesterday I rebuilt the tool for a permanent deal, and thought I would share some photos of it with you.
I used a threading tool bit holder that I've had for some time. Cut it off and drilled a hole for the guide pin and one for the pivot pin.
I used one of my tool holders for the mount, Added a little light duty spring to assure the cutter would drop into place.
Tool uses carbide tips that I have several of. Now I'm not afraid of treading any more. I only wish I didn't have to change them damn gears to do it.
Very nice indeed Mel. I know you said it worked great, but did you find it any easier than normal single point cutting?
I used mine all the time when single point threading and it made life a lot easier. To such an extent, I used nothing else.
Sam, when I designed mine, I was very careful to leave 1mm gaps in critical places, just in case swarf got thrown towards the tool. But after using it a fair while, I found swarf wasn't a problem at all.
For those who might have missed the original design and trials.