b'September 2019 | Vol. 71 |Issue 9 ctemag.comEasingthe grindAutomation and digital technology enable tool grinders to work smarterAlso in this issueProducing metal prototypes via 3D printingChoosing the appropriate drill design for an applicationInk coders are a low-cost option for marking partsSeptcover.indd 2 8/16/19 12:02 PM'