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CAD program for moving linkages? Anyone.

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  • #16
    Not on the subject of software, but relating to the need to make something fold over 180°, take a look at the linkage on the bucket of a backhoe. It looks like they get that or maybe a little more by just adding another link between the hydraulic cylinder and the bucket attachment. I don't fully understand what the critical geometry is on this mechanism.

    Just a thought.

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    • #17
      Originally posted by Cheeseking
      Could you print off some scaled 2d prints of the linkages on 8-1/2 x 11 paper, cut out with scissors and straight pins or toothpicks for the pivots???? If the paper is too flimsy then transfer to cardboard or something.
      Cardboard
      Aided
      Design

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      • #18
        Originally posted by Richard86
        *** My problem has been that the time it takes to find a CAD program and then try to learn it, I could have whatever built several times over. ***
        Rich
        If you want to skip CAD for a bit longer, "Link Mechanisms" is a little 35-page booklet that I find very helpful. I paid $6 for it at NAMES. It was originally published in 1908, and republished in 2000 by Nation Builder Books, P.O. Box 253, Leesburg VA, 20178, telephone (800) 480-5808, web site at www.NBBooks.com

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        • #19
          Before we had Inventor and Solidworks we used this software....http://workingmodel.design-simulation.com/WM2D/demo.php
          Looks like you can get a demo copy.

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