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In the case of a lathe or a drill, that is RPM. Revolutions Per Minute
lathe machine hour
18000 RPM
7100rpm
V = Cutting speed N = RPM d = Diameter in millimeters N = 1000.V / d . 3.14
The formula for RPM is ; RPM = Hz x (120 (constant)) divided by the # of poles. Number of poles a motor has; # of poles = Hz x (120 (constant)) / RPM.
There is no standard conversion between the two.
(bigger dia - smaller dia)/2*taper length
The formula for RPM is, RPM = Hz x 60 x 2/# of poles the motor has. To answer this question more information needs to be stated.
A lathe is not a lever.
A lathe is not a lever.
== distance x time== speed ==