Here is a question: if you wear out a car crushing machine, where do you go to get it fixed? Diamond State Machining of course. a few years ago we had the privilege of building a new hinge for a car crushing machine which had worn out severely. Fast forward to 2011, and now we have had the opportunity of building the hinge for the remaining side! Below are the images for the newly built car crusher hinge. What is obvious from the photographs is the amount of precision machining needed to build this hinge. The hinge pin below measures 4" in diameter and just over 20' long! We made bronze bushings that were pressed fit into the hinge sleeve. To do this we heated up the hinge while simultaneously cooling down the bushing which we machined oversize for this purpose. Once at temperature, the two components were quickly introduced to each other and fit together. When the parts normalized to room temperature the fit is permanent!!!
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