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Keyway slot broach example workpiece Gisstec

Ultimate Guide to Keyway Broaching on CNC Lathes in 2025

Introduction Keyway broaching (keyway slotting, key slotting) is an essential machining process used to create internal slots or keyways in a workpiece, such as a gear. These keyways enable power transmission between the workpiece and a coupling component, such as a shaft. Traditionally, dedicated broaching or slotting machines have been used for keyway broaching. However,

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