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Thread: Small is Good...

  1. #1
    Join Date
    May 2007
    Location
    Thomasville, GA
    Posts
    5,992

    Small is Good...

    ...if you keep getting assignments for small projects!

    I've had to get a bit inventive to do a few turnings lately, so I decided to get something to help me along. One of my problems in finding what to get is the NOVA chuck I have is stamped "Nova Scroll", a version I couldn't find anywhere. After looking around enough and examining photos, I had to assume this is what Nova now calls the "G3". Anyway, I decided on the jaw set I wanted and it arrived today.

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    After extracting the jaws from the greasy bag they're shipped in, I soaked them in naphtha for a while, then wiped them down.

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    Here's the chuck with the original 50mm jaws, then with the new 25mm jaws installed.

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    How do I keep getting such small assignments? Just lucky, I guess!!!

    Oh, and here's a sneak peak at the start of a new item that should be easier using my new pin jaws.

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    I'm SO lucky to have such special clients!!!
    Bill Arnold
    Citizen of Texas residing in Georgia.
    NRA Life Member and Member of Mensa
    My Weather Underground station

  2. #2
    Join Date
    Jan 2007
    Location
    Honolulu, Hawaii
    Posts
    1,103
    Hi Bill, those pin jaws seem to be for internal chucking only, seeing as they only have fastening screws along the outer edges of the jaws. To grip the outside of a piece, there would need to be another set of fastener screws closer to the center. I ran into this just a little while back with someone. These jaws will hold externally, but only minimally, at best. They are intended for gripping inside a bore.
    "You got to learn from the mistakes of others. You won't live long enough to make them all yourself". (Author unknown)

    "Time flies like..... an arrow,,,Fruit flies like..... a banana." Groucho Marx

    Ah,,,to live in Paradise!

    Registered voting member

    Fighting for all I am worth, and praying every day.

  3. #3
    Join Date
    May 2007
    Location
    Thomasville, GA
    Posts
    5,992
    Quote Originally Posted by Tony Baideme View Post
    Hi Bill, those pin jaws seem to be for internal chucking only, seeing as they only have fastening screws along the outer edges of the jaws. To grip the outside of a piece, there would need to be another set of fastener screws closer to the center. I ran into this just a little while back with someone. These jaws will hold externally, but only minimally, at best. They are intended for gripping inside a bore.
    Here's what Teknatool says on their item page:

    "One of our most popular and convenient jaws for small bowl and small unsupported spigot turning work. Designed for small bowl (expanding dovetail mounting up to 6" dia) and small spigot (contracting mode) free end turning work (up to 5" long). Ideal for mini/midi lathe gripping work below size that can be handled by the Standard 50mm Jaws"

    http://www.teknatool.com/products/ch...ories/25mm.htm
    Last edited by Bill Arnold; 10-30-2014 at 09:00 PM.
    Bill Arnold
    Citizen of Texas residing in Georgia.
    NRA Life Member and Member of Mensa
    My Weather Underground station

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