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38913Re: [hobbicast] Aluminum question

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  • Dan Brewer
    Aug 8, 2008
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      You need to increase the thickness by 1/4 that is if the original is 4
      quarters make it 5 quarters. Your finished product will mass less than a
      comparable steel or cast iron product. It should work just fine.

      Dan in Auburn

      On Fri, Aug 8, 2008 at 8:05 AM, chucketn <chunk07@...> wrote:

      > I am posting this to both the lath/machining groups and the casting
      > groups to try to gather as much info/opinion as I can. As a computer
      > tech, I often get dead hard drives which are a source for machineable
      > aluminum. I am trying to make a milling attachment for my minilathe,
      > patterned after Varmint Al's or GadgetBuilder's designs.
      > That brings up 2 questions for those experienced in either machining or
      > casting aluminum or both. If I go the angle plate route for the milling
      > attachment, would an aluminum casting be strong enough? How about
      > copying the topslide in aluminum? Would it be strong enough for milling
      > small stuff, mostly aluminum? How much bigger in dimension would I have
      > to make it for comparable strength?

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