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Thread: Has anyone used these or similar jaws for revers turning

  1. 02-15-2012, 03:26 PM #1
    Mohammad Madha's Avatar
    Mohammad Madha
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    Has anyone used these or similar jaws for revers turning

    Any opinion?

    http://losangeles.craigslist.org/wst...846094636.html

    new one goes for $118
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  2. 02-15-2012, 04:48 PM #2
    Fred Belknap's Avatar
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    Those type of jaws are for reversing the bowl on the chuck so that the bottom can be finished. They aren't made for heavy duty turning. Mine has a 1000rpm limit stamped on them.
    Fred
    steercreekwood.com
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  3. 02-15-2012, 05:14 PM #3
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    I've not used Cole jaws like those, but I've used a Longworth chuck that follows a similar principal of holding the rim of the bowl. I also got whacked in the head by a bowl that came out of the Longworth chuck. Personally, I shy away from that type of jaws now that I've learned some other ways to finish my bowl bottoms (friction chuck or vacuum chuck), but there are a lot of turners who use Cole jaws and like them. (I wish I was in LA so I could show you a few ways I do it.)

    I don't remember what type of chuck you have. If it's not a Vicmark chuck, I'm not sure if these jaws would fit.
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  4. 02-15-2012, 05:20 PM #4
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    You guys are right. It doesn't look very safe and it is probably good for very light cuts.

    I have Vicmarc 100. I probably need to make a donut chuck.
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  5. 02-15-2012, 05:46 PM #5
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    A donut chuck would be my recommendation over Cole jaws.
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  6. 02-15-2012, 07:16 PM #6
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    Vacuum chuck. It'll make the donut obsolete.
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  7. 02-15-2012, 07:18 PM #7
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    Vaccum chuck is in the distant future. It is on the list though.
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  8. 02-15-2012, 07:20 PM #8
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    When you meet Ben this summer, he'll talk you into one. We used Vaughn's help and plans and put one together. Works like nothing else.
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  9. 02-15-2012, 07:54 PM #9
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    Quote Originally Posted by ken werner View Post
    Vacuum chuck. It'll make the donut obsolete.
    Unless there are voids in the bottom of the piece, or the wood is too porous or warped. (I've had ash and mesquite pieces that wouldn't stay in my vacuum chuck.) Since I usually don't do anything very fancy on the bottoms of my bowls and hollow forms, more often than not I just use a simple friction chuck (a rough-turned bowl) and the tailstock to finish things off. In some cases I also add some plastic stretch wrap as insurance. When I get back to my shop I'd be glad to show Mohammad how I do it in person.
    Attached Thumbnails Attached Thumbnails Stretch Wrap Chuck 02 - 800.jpg   Stretch Wrap Chuck 03 - 800.jpg   Stretch Wrap Chuck 05 - 800.jpg   Stretch Wrap Chuck 06 - 800.jpg   Stretch Wrap Chuck 09 - 800.jpg  

    Stretch Wrap Chuck 10 - 800.jpg   Stretch Wrap Chuck 12 - 800.jpg   Stretch Wrap Chuck 13 - 800.jpg   Stretch Wrap Chuck 14 - 800.jpg  
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
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  10. 02-15-2012, 08:20 PM #10
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    Nice technique Vaughn. I forgot about holes. Doh.

    I'll bet that plastic wrap comes in handy.
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