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Lathe chucks

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rleete:

--- Quote from: bogstandard on July 27, 2009, 02:32:47 AM ---First off, couldn't you use the normal jaws for holding the tube internally?
--- End quote ---

I tried.  The ID is just a tad smaller than the chuck itself.  Therefore, I was gripping on the very back edge of the jaw; not the part that is meant to be used, but the part that dovetails into the chuck.  I didn't think that would be very secure!  I also tried the outside jaws, and they barely held on, being right at the hairy edge of engagement of the scroll in the chuck.  Once again, not very secure.

I'll take a pic later if this isn't clear.

Darren, I hadn't thought of that.  Could be an accident waiting to happen.


I guess I just have to tell the wife I need a larger lathe...

Bernd:

--- Quote from: rleete on July 27, 2009, 08:01:08 AM ---
I guess I just have to tell the wife I need a larger lathe...

--- End quote ---

I've been telling mine that too. If you suceed in getting one let me know how you did it.

I've got a requisition in for a 13 X 40 Gear-head floor lathe from Grizzly, but the finance committee says there's no money available. Dam!  :bang:

Bernd

foozer:
Shot of 3 1/2 inch flywheel made using the soft jaw approach. Something my regular 3 jaw couldn't handle. Bored the jaw faces to give grip to the inner rim. Cut em to the same dia as the piece to be held for good contact area. Holds well enough so long as aggression is applied only to the wood pile. Haven t tore one loose yet.Still have plenty of room for larger dia tubing (pucker factor exponentially increases with size) Very handy and useful tool.

Robert

rleete:
Okay, so where do you get soft jaws (or blanks) for the standard 3 jaw chuck?  Making them from scratch is a bit beyond my capabilities at this point.

foozer:

--- Quote from: rleete on July 27, 2009, 02:38:01 PM ---Okay, so where do you get soft jaws (or blanks) for the standard 3 jaw chuck?  Making them from scratch is a bit beyond my capabilities at this point.

--- End quote ---

That's the 64 dollar question. The Taig chuck (3/4 X 16 mount) is nothing more than flat faced steel jaws for the scroll part to which the AL bits bolt upon.  Would think that a set of regular jaws could be flattened, drilled and tapped to achieve the same.

Maybe someone who has done it will chime in while i go actually try it on an chuck :)

Robert

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