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Recent content by JohnStef

  1. JohnStef

    Correct Tool Steel for Cam and Roller

    Hello I am looking for some guidance on material selection for a rolling contact machine assembly. We are in the midst of a tool rebuild, there is a cam/roller sup-assembly that typically wears. The Roller is 5.0" dia 4140 Rc 52/56, the cam is oval shaped 12.0" x 15.0" with an 2.0" offset bore...

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