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17864Re: [multimachine] New MM 11/21 (engineer needed)

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  • David G. LeVine
    Nov 21 10:27 PM
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      On 11/21/2013 04:32 PM, Eggleston Lance wrote:
      > It would take 73# force to overcome the friction (not mass)
      > of the slide sitting on the base, assuming it sits on lubricated steel
      > on the slide and base.
      > Then you'd have to supply 461# parallel to the base angle to overcome
      > the mass.
      > So, figure 461+73= 534 # force to move the slide up the base angle.
      > For me, I'd use pneumatics or hydraulics, But ropes and pulleys could
      > be rigged
      > to lower the force to around 90# using a triple upper and lower pulley
      > block set.
      > lance

      Lance, another point in the analysis, assuming SMOOTH steel, slightly
      rough steel is much worse.

      Dave 8{)


      "A word to the wise ain't necessary - it's the stupid ones that need the

      Bill Cosby
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