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A junkyard lathe and mill tool grinder

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vtsteam:
(Note: I recently needed to cut left hand acme threads to complete the boring table for my Craftsman 12" lathe. I found an internal threading tool making thread here on Madmodder, but this led to also wanting to make a tap. The inside tool was produced on the lathe, but the outside tool seemed better made on a grinder. What follows was originally part of the boring table thread, but I've split it off into its own topic here.)

I was hunting around online for a simple sharpening jig for regular lathe tools used for outside thread cutting and came across a really excellent one by Martin Cleeve here:

http://www.gadgetbuilder.com/ThreadingTools.html

Very simple, and so very appealing, to me at least.

Here's my start on it. I found a piece of scrap bracket 3/8" thick and sawed off a piece:

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vtsteam:
And was able to use my homemade carbide mill to clean it up:

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vtsteam:
And I used it to clean up all three pieces -- mostly bits of scrap. By this evening, the jig was almost finished. Just a few more tapped holes and couple pins are needed for it to be ready for use.

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vtsteam:
Little time to work on metal today, but did manage to finish the jig:


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chipenter:
Been there making tools to make tools and make nothing .

Jeff

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