Difference between hobbing and broaching
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Gear hobbing refers to the process of using a broaching machine to cut the grooves, known as gear teeth, into a component. Gear hobbing machines are capable of cutting gears with different numbers and varying sizes of teeth. Gear hobbing is used to make teeth for many different kinds of gears, including spur, crown, helical, and worm.
Broaching is precision machining that can be performed on an external surface (round, flat or contoured) or the internal part of a shape or form. Virtually any material, from ferrous and nonferrous metals to plastic materials and wood, can be cut through broaching. Various broaching methods are performed in broaching job shops to cut internal splines, gears and sprockets, as well as keyways, slots and serrations on the surface of a workpiece. During the process, machines such as automatic lathes, CNC Swiss lathes and rotary transfer machines are used to push or pull a broaching tool with cutting teeth through or over a workpiece. The only limit to the
Broaching is precision machining that can be performed on an external surface (round, flat or contoured) or the internal part of a shape or form. Virtually any material, from ferrous and nonferrous metals to plastic materials and wood, can be cut through broaching. Various broaching methods are performed in broaching job shops to cut internal splines, gears and sprockets, as well as keyways, slots and serrations on the surface of a workpiece. During the process, machines such as automatic lathes, CNC Swiss lathes and rotary transfer machines are used to push or pull a broaching tool with cutting teeth through or over a workpiece. The only limit to the
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