Testing

Three tests were preformed on the punch; an initial force test, a friction test, and a final force test. The initial force test was performed by putting a blank specimen in the punch and trying to shear it. this did yield any usable data, but observations where made as to how to better the design and functionality of the punch. During testing the punch would not actuate freely. The second test was to find the force of friction between the punch and its support. From there a way to reduce the friction was found.

The screws holding the punch support together broke during this test and required a rebuild of the part. 

       After the rebuild, test 3 was performed by putting the punch in the arbor press and shearing several sections off of the specimen.