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Thread: variable radius cutter

  1. #1
    C-Bag's Avatar
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    variable radius cutter

    My current project is to do some metal forming so I had to make concave and convex pieces(anvil?foot?) to do the actual forming. Since it was going to be a process where I'd start out with a guestimate and then cut a tighter and tighter radius until I compensated for springback I decided I needed a way to make a repeatable and precise way to do it. I scored some 80/20 2020 10 series aluminum extrusion off the local Craigslist. So I used that and some rack and pinion's I got off ebay along with some 80/20 linear bearings. Along with the rotary table off my mill. I hope the pix will be self explanatoryvariable radius cutter-concavecut.jpg.

  2. The Following 6 Users Say Thank You to C-Bag For This Useful Post:

    EclecticNeophyte (08-03-2015), Jon (08-03-2015), kbalch (08-03-2015), olderdan (10-28-2017), Paul Jones (08-01-2015), PJs (08-05-2015)

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    Content Editor Altair's Avatar
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    Nice setup C-bag. Easy to build and precise.

    Al

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    Thanks Altair. 80/20 is the bomb for doing this kind of stuff.

    I'm new to this forum but on other forums that seem to run the same software. So I thought the process to upload pix would be the same.....but it didn't seem to want to let me upload more than one pic. I was waiting to see if anybody even noticed this or wanted the other pix to see if I should give it another try for the different views and cutting convex and concave.

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    another try on the other pix

    variable radius cutter-concavecut2.jpg variable radius cutter-convexcut.jpg

    variable radius cutter-adjusterdetail.jpg variable radius cutter-finishfit.jpg

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    olderdan (10-28-2017), PJs (08-05-2015)

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    Thanks C-Bag! I've added your Variable Radius Cutter to our Metalworking category, as well as to your builder page: C-Bag's Homemade Tools. Your receipt:


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    Wow, thanks Ken, so does that mean I just post other projects to this forum and you transfer or just go to "my" homemade tools?

    Sorry just a noob.

  9. #7
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    Yep, any of your homemade tools that you post in the Homemade Tools subforum will be added to the site and your HomemadeTools.net builder page automatically updated.

    Just start a new thread for each tool and we'll take it from there.

    Non-tool items should be posted in the Not a Tool, but Homemade subforum.

    We really appreciate your being part of the community!

    Ken


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