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Feed in milling operation is expressed as

Feed in milling operation is expressed as Correct Answer mm/tooth

Milling is a process of producing flat and complex shapes with the use of multi-point (or multi-tooth) cutting tool. The axis of rotation of the cutting tool is perpendicular to the direction of feed, either parallel or perpendicular to the machined surface.

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Cutting speed refers to the speed at which the tool point of the cutter moves with respect to the work. The feed is the rate at which the work moves into the cutter measured in mm per tooth. Feeds and speeds affect the time to finish a cut, tool life, finish of the machined surface and power required of the machine.

Feed rate (mm/min) = Feed (mm/tooth) × Number of teeth × Spindle speed (RPM)

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