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Calculate maximum weight box can hold

  1. Jul 25, 2015 #1
    hi,
    This is probably very simple issue, but i am not an engineer nor have an understanding of basic physic..... I need to calculate if the tape used to connect (sealed) to ends of the cardboard box will withstand the weight of the product i put inside it. I have a tape properties (tensile strength etc.). i just don't know how to calculate maximum weight i can put inside.
    Can anyone help please?
    Thank you very much
     
  2. jcsd
  3. Jul 25, 2015 #2
    the force on the tape is the weight of the object in the box

    tensile stress = force / area


    However, the tensile strength of the tape is not the determining factor!

    How good is the glue. A very strong tape weakly bonded will fail.
     
  4. Jul 25, 2015 #3
    Thank you William. So if I could measure somehow how strong is the tape when glued on the cardboard that should give me an indication on how strong is the glue right?
     
  5. Jul 25, 2015 #4
    yes, if this is an experiment you could do that.

    Tape the box shut, and incrementally add weights until the tape failed. That will give you a sense of the strength of the bond
     
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