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81546Re: [atlas_craftsman] Dividing Qs

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  • john baird
    Mar 1, 2013
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      The 40 hole circle will divide 2,4,8,10,20,40
      The 50 hole circle will divide 2,5,10,25,50
      The 60 hole circle will divide 2,3,4,6,10,12,15,20,30,60

      So you could make, teeth, flats, splines or holes, to suit.
      Regards jb

      --- On Thu, 28/2/13, smudgemo1 <rchristbaum@...> wrote:

      > From: smudgemo1 <rchristbaum@...>
      > Subject: [atlas_craftsman] Dividing Qs
      > To: atlas_craftsman@yahoogroups.com
      > Date: Thursday, 28 February, 2013, 5:02
      > So on my recent vacation which
      > started and ended with five-hour flights, I took Ivan Law's
      > "Gear Cutting" and Harold Hall's "Dividing" books.  It
      > doesn't appear to be listed in the 12x36 Atlas manual, but
      > does anyone know how many teeth the bull wheel has? 
      > What about the holes drilled in the side (which appear to be
      > set between each tooth presumable totaling the same
      > number)?  There is a pin mounted in the lathe's case
      > that engages those holes.  Seems perfect for dividing
      > if the number of teeth/holes are a useful number, right?
      >
      > I tried to grab a photo, but the camera's card isn't
      > cooperating, and I suspect anyone that knows the answer
      > doesn't need a photo. 
      >
      > Nothing urgent, but I'd like to investigate possibilities to
      > better understand the books noted above.
      >
      > Thanks,
      > Ryan
      >
      >
      >
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