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  • Jig for plastic parts

    Discussion in 'The main mechanical design forum' started by nevizamm, May 30, 2014.

    1. nevizamm

      nevizamm New Member

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      Hi Guys,

      Basically what I am trying to do is come up with a solution to design a jig for different plastic parts for automation purposes. These parts are toy helmets, all of which have different shapes and sizes,but have a common inner diameter where the head of the toy will be held. The main reason a fixture is needed is to measure the inner diameter of the helmet. Constructing a fixture for each of the 20 parts is not feasible and therefore I was thinking of construct a jig similar to a collet which can hold different parts. The only problem being that the orientation of the inner diameter of the helmet has to be perfectly horizontally so that a vision camera can take a reading.

      Any help with this problem is truly appreciated.

      Regards,

      Neville.
       
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    3. bdeuell

      bdeuell Member

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      Can you use the inner diameter feature to position the parts initially then pick them up with the collet/clamp jig. This would ensure the inner diameter feature that you want to measure is in the same place/orientation relative to the collet/clamp jig. Once held by the collet/clamp jig you can move the part to your camera for measurement.
       

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