Need a bit with an expanded sphere on the end

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I have a Haas VF-1, and need to make some 'wheels' with a round grove around the periphery. A lathe would be perfect, but sadly, I don't have one to play with.

The groove can really be any size/shape. It could just have flat walls, or rounded walls.

Anything like a ballnose, but with just the ballnose, and a smaller shank up the rest of the tool? Or a indexable champer tool, but with the indexable bits straight out to the side, instead of on an angle?

Thanks!

[Geof]

Check with KBC tools. They have concave and convex radius cutters. Sort of like a tee slot cutter but with a radius not square corners.

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Awesome!

Thanks for the reply, excactly what I was looking for

[big_mak]

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Is it a Lollipop Mill that you are looking for. I've seen them at an aerospace shop that I worked at for a bit. I believe that these particualr tools were custom ground form tools, or the MAY have been from OSG. All of the tools came with a program from the companies Belgian Parent company. It's been over half a year, so the details are a bit blurry.