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Load Sharing for two non-identical plates.

  1. Apr 7, 2012 #1
    Hello,

    I have been given a project in which I have to design a ramp powered by a motor and gear-train. For the actual "deck" which the vehicles will roll on I have selected two 5mm Al 6061 T6 plates which are bolted together. The bottom plate will have 4 cut-outs taken from it and act as a frame (Drawn up on inventor and stress simulated and proves to be suitable). The maximum load the ramp must take is 100kg. How can I work out the load taken by the top plate and the load taken by the bottom frame plate? We haven't had to do anything like this in college yet.

    Dimensions: Top plate - 2.5m long x 1.25 wide x 0.005 thick
    Frame - Same as above but has 4, 1.175m long x 0.55m wide sections removed.

    This problem is holding up the entire project as most everything else is sorted out and easy enough.

    Pic attached below.

    http://imgur.com/w5B2j

    The black lines visible are the lines of the frame underneath the main top plate. Max deflection according to inventor is 17mm.
     
  2. jcsd
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