Broaching
Broaching is a machining process for removal of a layer of material of desired width and depth usually in one stroke by a slender rod or bar type cutter having a series of cutting edges with gradually increased protrusion as indicated in Figure. The difference in broaching and shaping, is that broaching enables remove the whole material in one stroke only by the gradually rising teeth of the cutter called broach where as shaping requires a number of strokes to remove the material in thin layers step by step by gradually infeeding the single point tool. Machining by broaching is preferably used for making straight through holes of various forms and sizes of section, internal and external through straight or helical slots or grooves, external surfaces of different shapes, teeth of external and internal splines and small spur gears etc.
Broaching is a machining process for removal of a layer of material of desired width and depth usually in one stroke by a slender rod or bar type cutter having a series of cutting edges with gradually increased protrusion as indicated in Figure. The difference in broaching and shaping, is that broaching enables remove the whole material in one stroke only by the gradually rising teeth of the cutter called broach where as shaping requires a number of strokes to remove the material in thin layers step by step by gradually infeeding the single point tool. Machining by broaching is preferably used for making straight through holes of various forms and sizes of section, internal and external through straight or helical slots or grooves, external surfaces of different shapes, teeth of external and internal splines and small spur gears etc.
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