Cutting Speed, Feed and Depth of Cut Assignment Help

Machine and Tool Selection - Cutting Speed, Feed and Depth of Cut

Cutting Speed, Feed and Depth of Cut

Cutting Speed

Expressed in terms of mts./min, it is the speed at which the metal is removed by the cutting edge from the work piece.

          V c = π DN/1000 m/min

Where  D = Dia. of workpiece, and

N = Spindle speed (RPM).

Feed

Feed is defined as the distance the cutting tool advances per one revolution of the work. It is expressed in mm/rev.

Depth of Cut

This is the distance between the unfinished surface of the work and the bottom of the cut, measured in a direction normal to the machine a surface of the work.

325_Cutting Speed, Feed and Depth of Cut 2.png

where  d = Dia. of unfinished work, and

dc = Dia. of finished work.

               Table 7: Cutting Process Parameters for Turning

356_Cutting Speed, Feed and Depth of Cut 1.png

Important Formulae

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