radius cutter plans wanted

Mitchg07261995 · Apr 17, 2013

hello, i am looking for plans for a radius cutter that can be used on a south bend lathe. I would like this because I am looking for a personal project for class next year and I know from what the second year students in my class have made i will be needing to cut some radiuses in a couple different parts
thanks, mitch

gcude · Apr 17, 2013

This ball turner may work for you:

http://bedair.org/Ball/ball.html

gcude · Apr 17, 2013

I've seen modifications to the above design where a second insert is mounted on the back-side of the post and then you can flip the holder around for a inside radius.

Mitchg07261995 · Apr 17, 2013

i dont think it will work

we have a different compound type
here is what out compounds looks like

Teza · Apr 17, 2013

Mitch check out these plans post by dnalot today http://www.homemodelenginemachinist.com/f13/shop-built-radius-cutter-20657/ should be able to make it fit your SB.
Terry

tarawa · Apr 17, 2013

Not quite plans, but I just purchased a MLA-13 casting kit to build a combination radius cutter and boring bar from "Metal Lathe".
It will be quite a project for me, as I never worked with cast iron rough castings before. Most of it is lathe work and the instructions/drawings are very nicely done. This was designed for the 9" South Bend Lathe I believe.

The reason that I purchased this casting kit other than its great design, is to get me familiar with working with rough castings. It may pave the way for me to get the courage to build a small model engine from a kit. Of course, I can screw it up and that will set the stage for me making models!

Here is the website if interested:

http://www.statecollegecentral.com/metallathe/index.html

Pics from his website.

Mitchg07261995 · Apr 17, 2013

Thanks Terry, I think ill build that one

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