What is Broaching?

Broaching is a machining process that uses a toothed tool, called a broach, to remove material from a workpiece. There are two main types of broaching: linear and rotary. In linear broaching, which is the more common process, the broach is run directly against a surface of the workpiece to achieve the cut. Linear broaches are used in a broaching machine. Most broaching machines are hydraulic and can be a horizontal or vertical motion. Vertical machines are more popular, comprising approximately 90% of all broach machine purchases. In rotary broaching, the broach is rotated and pressed into the workpiece to cut an axisymmetric shape. A rotary broach is used in a lathe or screw machine.

Broaching is used when precision machining is required. Different types of broach tools can produce results including circular or non-circular holes, splines, keyways and more. Broaching is a specialized manufacturing process praised for its speed and uniformity; it is a highly effective process when used for high volume production runs. Purchasing broach tools from Ever Sharp Tools ensures tools of highest quality and best material. When combined with our experience in maintaining and sharpening our tools, the end result is longer tool life and lower cost per part. Contact EST today for a quote on your broach tooling needs!

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