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Re: Feed rate increase and crazy thread milling, just for fun

 

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 want to do. I'm thinking something for pistol barrels first, as much for practice and play as anything else. And I'd be delighted to see any photos you want to share!

After a 20+ year hiatus, I've recently gotten back into reloading, and casting bullets, and I've wanted to make a, call it a .45acp Magnum for lack of a better description, 1911-style pistol in the .44mag power range. Or an 1896 Mauser in the .30 cal version. Or both. ;)

Bill in OKC

On Saturday, January 12, 2019, 5:07:45 PM CST, Dave Matticks <dpm100@...> wrote:


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 the barrel blank, scope and some screws it was made by me. Got pics if you're interested, it's kind of cool.

Dave

On January 12, 2019 at 4:00 PM "Bill in OKC too via Groups.Io" <wmrmeyers@...> wrote:

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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 could be helpful to know.

Bill in OKC

On Saturday, January 12, 2019, 3:55:28 PM CST, Dave Matticks <dpm100@...> wrote:


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 or radius at the root but you get a sense of the process.
Single point was NG, milling was the only option. 2 pcs. 303 SS and 2 pcs. Delrin. 1 each left hand and right hand.
Not regular screw threads. Feed screws for pleated filter media to glue the ribbons on.
I love a little challenge once in awhile.
Dave
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