Broaching (metalworking) - Wikipedia
https://en.wikipedia.org/wiki/Broaching_(metalworking)
Broaching is a machiningprocess that uses a toothed tool, called a broach, to remove material. There are two main types of broaching: linear and rotary. In linear broaching, which is the more common process, the broach is run linearly against a surface of the workpiece to produce the cut. Linear broaches are used in a broaching machine, which is also sometimes shortened to broach. In rota…
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