![]() Hobbing is an appealing machine process because it is flexible. “The tool needs to spin at a perfect rate to generate the correct number of teeth,” explained Gimpert. However, where a lathe holds the blank stationary, in a hobbing machine the blank spins in synchronization with the cutting tool to create the gear teeth. Like on a lathe, a spinning cutting tool removes material from the blank. Most commonly, hobbing produces involute gears and splines, but it can also be used to produce serrations, sprockets, and custom tooth forms.” In simpler terms, hobbing uses a hob to cut gear external teeth and similar forms by meshing rotating rows of cutting edges through a blank. The primary process employed to turn blank slices of steel billet into meshing gears that can smoothly and efficiently transfer power between parallel shafts is called “hobbing.”Īccording to a Helios explainer, “Hobbing is a discontinuous generating cutting process that produces tooth forms about a cylinder. Related: Producing 'Unmoldable' Parts with 3D Printing
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