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Birth of the Tool Post Grinder
In 1920, the newly found Dumore Corporation needed a low cost tool to grind bearing seats on armature and spindle shafts. Forced to improvise, Dumore engineers mounted a hand grinder on a compound lathe, and the “tool post grinder” was born. The grinding job could now be done on an existing machine using a tool that was a fraction of the cost of a standard grinder – a tradition that continues today!