Broaching: How One Pull Cuts a Gear Shape

Broaching is a machining process where a toothed tool called a broach is pulled through a metal pipe to cut its inner shape. Each tooth is slightly larger than the one before it, so the cut deepens on its own without any spinning cutter, which is how broaching cuts internal gear profiles in a single pull.
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Before watching, would you have guessed the teeth were all different sizes?
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Видео Broaching: How One Pull Cuts a Gear Shape канала 1N1 Facts