What is Broaching? How Broaching Machine Works?

Broaching is one of the most precise and productive process in the metalworking area and despite the high costs of tooling, its largelly applied in the automobiles industry. The broaching is a machinining operation which uses a tool called broach moving it over the workpiece to remove material, cutting a predetermined shape. Commonly circular or odd shapes, both internal or external, are obtained by broaching. The broaching operation is best employed in high volume workpieces: a customized broach usually costs between $8,000 (smallest ones) to $40,000 (bigger ones). The complete cycle hardly is over than 20 seconds, with great productivity and quality.