Tiny chucks - MT/arbor versus threaded

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CarvedTones

Board of Directors, Vice President
Andy
Note to Mike - If you think my lathe is cute, wait until you see these chucks. :gar-Bi

I have not succumbed yet; I am still focused on the small stuff. The chucks I am looking at would be used for spindle turning and usually with a live center on the other end. I am quickly discovering that spur centers and small stuff are not the best combination. Also, down the road a bit, I might try a couple of wind instruments. Anyway, that is a long winded disclaimer to say I know these are not bowl chucks and they would probably only hold a large blank long enough to spin it up to terminal velocity. :eek:

I am looking at a couple of chucks at Grizzly. Here is one:

http://www.grizzly.com/products/Mini-Lathe-Chuck-w-Arbors/H5934

and here is another:

http://www.grizzly.com/products/H8034

Yes, I realize that is 2" versus 3" and I think the 2" probably fits my needs and enforces sanity a little better. Also looks like less of a knuckle buster. But I also wondered about the pros an cons of MT versus threaded. The only one that occurs to me is that I guess you can get some "backwards" drill bits and hollow through the headstock if you go with the threaded one. I can't think of a reason to do that instead of hollowing through the tail stock (it makes a lot more sense to me to push the wood into the chuck while hollowing).

Thoughts? Alternatives?
 

CarvedTones

Board of Directors, Vice President
Andy
I forgot this part- why 3 jaws...

A small 3 jaw chuck makes it possible to mount a domino shaped plank centered. If I cut a rectangle and mark the center down the face, I can center it against the "odd" jaw on one end and the live center on the other. If I then turn a violin tuning pin and don't taper the last 1/2" or so (keep it straight like a dowel), I can take it out, reverse it and turn the button with the shaft in the jaws. This will reduce the amount of waste and allow me to get more tuning pins out of each piece of stock.

A 4 jaw will hold a square piece better, but aligning a plank would be harder and then it would be secured only by two jaws at the edges.
 
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