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Tool handle for my lathe tools. (Read 131 times)
 
Don R Davis
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Murfreesboro, Tennessee, USA
Murfreesboro
Tennessee
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Jet 12-21 lathe. I now have a Powermatic 3520 as of 9/12/20.
Tool handle for my lathe tools.
Aug 17th, 2020 at 9:06pm
 
I made a 16" handle for one of my lathe tools. My lathe is a Jet 12/21 and it's too short to drill a hole in the end. I need a 14mm hole in the end of the handle. I don't believe a tapered shank bit would work either.
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Louie Powell
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Saratoga Springs, New York, USA
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New York
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PSI 12" Turncrafter Commander
Re: Tool handle for my lathe tools.
Reply #1 - Aug 18th, 2020 at 6:12am
 
Ah yes, the advertised bed length doesn't account for the space occupied by the scroll chuck, jacobs chuck and bit. Been there - - -

When making canes on my lathe (nominal 18" bed length), my solution to this problem is to turn the canes in sections that I join together with glued loose tenon (ie, dowel) joints. Each section is short enough to be turned and drilled, and also short enough that I can assemble two sections together and fit the combination between centers for final smoothing of the joint; I do this dry (without glue) so that I can do each of the joints before finally assembling the entire cane. For strength, I make the dowels about half the final diameter of the cane.

A variation on this idea you might try is to make your tool handle in two sections with a mortise/tenon joint - drill the individual sections to receive the dowel/tenon and also for the hole that the tool shank fits into, and then glue the two sections together, and mount it between centers to finish and smooth the exterior of the joint.

Another idea: It's not absolutely necessary to use a jacobs chuck to hold the drill bit. If it is possible to mount the turning on a scroll chuck, you could drill the hole for the tool while holding a drill bit with vice grips. The bit will naturally want to center itself, and if you are careful, you can get a hole that aligns with the turning axis.
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« Last Edit: Aug 18th, 2020 at 6:13am by Louie Powell »  

Louie
 
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Don R Davis
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Murfreesboro, Tennessee, USA
Murfreesboro
Tennessee
USA

Gender: male

Jet 12-21 lathe. I now have a Powermatic 3520 as of 9/12/20.
Re: Tool handle for my lathe tools.
Reply #2 - Aug 18th, 2020 at 7:29am
 
Thanks, Louie, I haven't thought about cutting it into.
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Ed Weber
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Wilton, California, USA
Wilton
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JET 1642
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Re: Tool handle for my lathe tools.
Reply #3 - Aug 18th, 2020 at 9:23am
 
I'm guessing you only have a pilot hole at best.
You could remove the tailstock and make a simple saddle or steady rest to support the handle for your method of drilling.

A drill press would also work  Grin
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Louie Powell
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Saratoga Springs, New York, USA
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PSI 12" Turncrafter Commander
Re: Tool handle for my lathe tools.
Reply #4 - Aug 18th, 2020 at 9:28am
 
Variations on the theme of flaying felines - - -

It's all part of what makes turning fun.
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« Last Edit: Aug 18th, 2020 at 9:29am by Louie Powell »  

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robo_hippy
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Eugene, OR, USA
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Re: Tool handle for my lathe tools.
Reply #5 - Aug 18th, 2020 at 10:21am
 
You can make a mandrill and hand drill it. Take a piece of end grain wood, maybe 3 inches long. Drill a hole in it, about half way down that is the size of the end of your tool handle. While still centered on your drill press, drill a hole through it the size of your tool shank. Then put the big hole over the end of your took, and drill the tool shank hole from the other side. Not a perfect guide, but it does work. You can also mound a drill in the headstock, and maybe make a jig to keep the handle level and eyeball with the ways of your lathe and push it onto the drill bit. Both methods can work.

robo hippy
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Ed Weber
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Wilton, California, USA
Wilton
California
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JET 1642
Grizzly G0584
Re: Tool handle for my lathe tools.
Reply #6 - Aug 18th, 2020 at 11:10am
 
Reed, did you just say pilot bushing?  Grin

Like Louie said, the cats are in danger.

I typically drill the hole for the intended tool shaft before I turn.

Just a different method of work brought over from "flat-work". The Idea of doing as much machining as you can while to wood is still square or at least easy to secure.
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