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  1. #1
    Join Date
    Jul 2010
    Location
    central Kansas
    Posts
    66

    Default Back hoe pivot job

    Job from today.
    Wasn't to bad 1/4" in play on 2-3/16 pin
    First we heated and bent the ears back in line rosebud and 60 ton portapower to pull it together
    weld bore up
    1/8 7018 110 amps

    pics after straitening ears


    weld bore up

    install cones for rough position

  2. #2
    Join Date
    Jul 2010
    Location
    central Kansas
    Posts
    66

    Default continue

    set up feeder


    rough bore



    Finish bore

  3. #3
    Join Date
    Apr 2009
    Location
    KANSAS
    Posts
    511

    Default

    Pretty boring stuff

    Glad to see your still kickin'. How far was the ears bent out?
    '08 F-350
    Vantage 400
    SA-250
    SA-200
    Invertec V350Pro
    Invertec V205T-AC/DC

    Miller 12VS suitcase
    Miller spectrum 2050

    Pipe beveler's
    Track torch

  4. #4
    Join Date
    Sep 2005
    Location
    northern NJ
    Posts
    1,856

    Default

    Nice job. Since I don't have access to this type of equipment I would of had new bosses machined, cut out the old & welded in the new. Just curious, can you post a pic of the actual cutter? Is it a single bit like on a lathe or multiple cutters like on a ream? I've only seen a larger version & that had a single cutter. They were doing about a 10" dia. bore.
    Last edited by MMW; 02-26-2011 at 11:52 AM.
    MM250
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    22a feeder
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    Victor O/A
    MM200 black face
    Whitney 30 ton hydraulic punch
    Lown 1/8x 36" power roller
    Arco roto-phase model M
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    Miller spectrum 875
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    Syncrowave 250
    RCCS-14

  5. #5
    Join Date
    Jul 2010
    Location
    central Kansas
    Posts
    66

    Default

    Quote Originally Posted by Rig Hand View Post
    Pretty boring stuff

    Glad to see your still kickin'. How far was the ears bent out?
    Not to bad 3/4 inch.
    So are u back in the flat lands if so come on down ill buy lunch.

  6. #6
    Join Date
    Jul 2010
    Location
    central Kansas
    Posts
    66

    Default

    Quote Originally Posted by MMW View Post
    Nice job. Since I don't have access to this type of equipment I would of had new bosses machined, cut out the old & welded in the new. Just curious, can you post a pic of the actual cutter? Is it a single bit like on a lathe or multiple cutters like on a ream? I've only seen a larger version & that had a single cutter. They were doing about a 10" dia. bore.
    We considered that but by the time we machined new bosses cut them out and welded them in it costs more than just building them up. And I am not a good enough of a welder to weld in the new bosses and keep finished bosses strait enough. so would need line boring any how.
    I use single point brazed carbide tools just like on a lathe.

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