Edge prep processes have become the preferred method for increasing the life of a tool and as a by-product increasing the productivity of an operation.  Ideal edge conditions consist of a combination of substrate, geometry, coating and correct edge preparation. For some time, efforts in this area focused mainly on the geometry, coating and substrate leaving edge prep processes mostly to chance. In the past, the element of chance occurred because of the use of manual processes, which largely depended on the talents of the individual performing the edge prep. Manual edge prep methods might include stoning an end mill or hand brushing using a rotating nylon brush. Evolution in Edge Prep Know-How For manufacturers blessed with the employment of someone adept in manual edge prep there probably seemed little need to explore other options, having the necessary skill and…