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Thread: Shrink fitting sleeve onto shaft - how much interference??

  1. #11
    Join Date
    Apr 2019
    Location
    Brisbane
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    Quote Originally Posted by PhilipA View Post
    Why would you not plasma spray the surface and then machine it back to the correct size?

    Regards PhilipA

    The damaged seal surface has been repair at some stage previously using some sort of metal spray.

    We don’t have the equipment to spray

    My team normally travels around our sites full time, COVID-19 means no travel which means I need to find work for them

    Metal spray would mean outsourcing,

    I have labor available and the need to reduce spend....one happy fitter doing some turning

    A 100mm piece of hollow bar to make a sleeve cost me $114.....

    I’m not sure I could get it reclaimed by metal spray for $114...

    More than one way to skin a cat

  2. #12
    Join Date
    Jul 2006
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    Brisbane, Inner East.
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    Turning speed would be around 60 to 80 rpm using tungsten carbide depending on the type of steel, tough or hard. Try 80 with a light feed and depth of cut and see how it takes it then up the speed or feed as required.
    URSUSMAJOR

  3. #13
    Join Date
    Apr 2011
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    Dungowan
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    915
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    .001" per inch is the rule of thumb for a shrink fit. I would be leaning to the couple of thou clearance and 680 loctite route, unless there is a good reason to make it a shrink fit
    '93 D1 V8 auto
    '93 D1 200Tdi 2-door, ARB's, MD transfer, sill tanks, winch, 2"lift.......
    '95 D1 V8 auto......gone
    '86 V8 RRC.....gone

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