A hobbing machine uses a cutting tool, or hob, to make gears and similar parts. It is accurate and relatively inexpensive, suitable for making gears in various quantities and styles. The hob mounts on one spindle and the workpiece on the other, with the ratio of rotational speeds determining the number of teeth cut. Hobbing […]

A hobbing machine uses a cutting tool to make gears, sprockets, and splines. It uses a pair of mandrels to mount the hob and workpiece, with the ratio of rotational speeds determining the number of teeth. Hobs are classified by the largest gear they can produce, and can be vertical or horizontal. They have spirally […]