In order to achieve perfect gearing, maximum efficiency, and maximum power, gears must be manufactured in a very precise manner with equally precise tools. Today's demands on gears—such as minimal friction forces, low noise, low maintenance, durability, and minimum weight—were made with the advent of mechanical engineering and the automotive and energy industries, and they have significantly grown in importance. Consequently, higher demands are placed on accuracy, and precise manufacturing is of utmost importance. In hobbing, several teeth are always in use at the same time thereby placing great demands on the accuracy of the tools, in particular for the production of large-module gears using new cutter concepts, such as the turning plate technology.
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