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what is the formula for constant speed. Average speed is measured in units of distance per time and the average speed formula looks like this. At 2000 rpm the surface speedmay be calculated as follows.
Displaystyle K_ text v is the motor velocity or motor speed constant not to be confused with kV the symbol for kilovolt measured in revolutions per minute RPM per volt or radians per volt second radVs. In other words speed distancetime. This line can be represented algebraically as.
And also for for distance Rate x Time.
12 x 100 ftmin 764 revsmin -1 314 x 05 in For turning applications we do not need this formula since Spindle Speed is usually given in Constant Surface Speed CSS which uses SFM value directly. Formula for constant-speed Total distance Total time taken. Speed DistanceTimeTime DistanceSpeedDistance SpeedTimeSpeed DistanceTimeTime DistanceSpeedDistance SpeedTimeSpeed DistanceTimeTime DistanceSpeedDistance SpeedTimeSpeed. The formula is where equals the average speed equals the speed for the first half of the time and equals the speed for the second half of the time.