How to Calculate Roughness value given feed speed?
Roughness value given feed speed calculator uses Roughness Value = (0.0642*(Feed Speed)^2)/(Diameter of Cutter*(Rotational Frequency of Cutter)^2) to calculate the Roughness Value, The Roughness value given feed speed is the arithmetic average of the absolute values of the roughness profile ordinates. Roughness Value is denoted by Ra symbol.
How to calculate Roughness value given feed speed using this online calculator? To use this online calculator for Roughness value given feed speed, enter Feed Speed (Vf), Diameter of Cutter (dt) & Rotational Frequency of Cutter (nt) and hit the calculate button. Here is how the Roughness value given feed speed calculation can be explained with given input values -> 1.7E+7 = (0.0642*(0.1)^2)/(0.0418*(30)^2).