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Re: [multimachine] Re: Elegant solution

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  • David G. LeVine
    ... Actually, it only requires a precise cross slide. Assume the cross slide moves in a straight line, but is off by 30% dimensionally with a 0.10 (2.54 mm)
    Message 1 of 4 , Sep 10, 2011
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      On 09/10/2011 09:15 AM, Pat wrote:
      Thanks Kevin
      
      The problem is that machining a faceplate in place requires an accurate cross slide, the old chicken and egg thing.
      
      Pat
      

      Actually, it only requires a precise cross slide.

      Assume the cross slide moves in a straight line, but is off by 30% dimensionally with a 0.10" (2.54 mm) cyclic error in the leadscrew.  It is grossly inaccurate, but the technique still works well.  In fact, as long as it can cut a dish and the edge, it should be fine.

      Dave  8{)

      --
      "Political Correctness is a doctrine, fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end." (quoted from http://www.wattflyer.com/forums/showthread.php?t=30060)
    • Pat Delany
      Great! If someone will write this out in a way that could be understood by someone with imperfect language skills, I will put it in the How To. If you can,
      Message 2 of 4 , Sep 10, 2011
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        Great!
        If someone will write this out in a way that could be understood by someone with imperfect language skills, I will put it in the How To. If you can, include sketches please.

        Pat


        From: David G. LeVine <dlevine@...>
        To: multimachine@yahoogroups.com
        Sent: Saturday, September 10, 2011 9:29 AM
        Subject: Re: [multimachine] Re: Elegant solution

         
        On 09/10/2011 09:15 AM, Pat wrote:
        Thanks Kevin
        
        The problem is that machining a faceplate in place requires an accurate cross slide, the old chicken and egg thing.
        
        Pat
        

        Actually, it only requires a precise cross slide.

        Assume the cross slide moves in a straight line, but is off by 30% dimensionally with a 0.10" (2.54 mm) cyclic error in the leadscrew.  It is grossly inaccurate, but the technique still works well.  In fact, as long as it can cut a dish and the edge, it should be fine.

        Dave  8{)

        --
        "Political Correctness is a doctrine, fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end." (quoted from http://www.wattflyer.com/forums/showthread.php?t=30060)


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