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I've gotta get some sleep, but once I do, I'm going back and downloading all the photos you've sent to a folder of it's own for study. My weekend is kinda jacked up, as my shift is changing slightly.

I'm thinking cut rifling, but button has some advantages, and disadvantages, that differ from those of cut rifling cutters. So I may have to play with both, and see which works better for the things I

Bill, Look where all the gears used to be feeding the gearbox, took "em all off and put the chain/sprocket stuff on. Way cheaper than new gears for kind of a 4 off part! Worked perfect too. I made the

Saw the gear motor, and recognized it. Didn't see the chain drive. Was looking at some files I recovered off an older computer drive, for cutting gears on a shaper, with a wire wrapped around a

to you, maybe. To me they raise more questions. Difference in experience. You are a machinist, I am a wannabe. There are clues there, but I'm not educated enough to get them all, just yet. So I asked

More than happy to tell you what I know. Are you trying to do cut or button rifling? Can't really help on either specifically. I have a hammer forged BSA barrel on my hand rolled PCP rifle. Except for

Did you see the red marks on one of the sprockets? For a 8 start internal thread with specific start and end orientation. More thread milling! Used to do all that in the lathe, that's a whole

Probably not, this is caveman technology! I do like it though. Maybe here's a pic or 2 of the application. Dave Matticks

shouldn't you be out making parts for the space shuttle or something?

I know it's not Craftsman or Atlas but a little food for thought. You can really do a lot with a little if necessary. Note the gear motor coupled to the drive motor and chain drive with compound

Bill The pictures explain the prosses GP --------------------------------------------

I would be interested in hearing more about what you did, and how you went about doing it. I? hope some day to be skilled enough to make a rifling machine, and it looks like what you've done here

Hope I can find the pics of part of my never ending project from a few years ago. Needed to cut 1" pitch on a 4" diameter part 24" long. Here's the kicker, 2" root diameter. Don't remember the angle

No, complete tail stock Sent via the Samsung Galaxy S7, an AT&T 4G LTE smartphone

Interesting! Never saw or looked for one.I have an old Enco tailstock turret with a mt2 shank, goes in the tailstock quill.?Never going to use it but it's here.Dave? Sent from my T-Mobile 4G LTE

No. The tailstock turret referred to is a stand-alone unit. It is lever operated and has six adjustable stops. Also, it takes 3/4” tooling. The one that has a 2MT arbor and can fit into the

Atlas made three types of tailstocks for the 10” and 12” lathes. The standard tailstocks (the ones that came with the lathes) are not interchangeable. The 12” ones (early and late) are 1.000”

Does the turret mount in the tail stock quill GP --------------------------------------------

Thanks, there is a 10" turret tail stock there, just wondered if it would work on my 12" as is. Sent via the Samsung Galaxy S7, an AT&T 4G LTE smartphone

It will not be vertically aligned with the spindle center. You might be able to machine something to add to the base and raise it up, or just buy the right tailstock. Lots of them come up on eBay.