Show every step of your working out. Even if your final answer is wrong due to a minor calculator error, you can still earn a significant majority of the marks for using the correct method. High-Yield Topics: What the Examiners Frequently Ask
Cutting Speed (S)=π×D×N1000Cutting Speed open paren cap S close paren equals the fraction with numerator pi cross cap D cross cap N and denominator 1000 end-fraction = Cutting speed in meters per minute (m/min) = Diameter of the workpiece or cutter in millimeters (mm) = Rotational speed in revolutions per minute (RPM) Calculate the RPM ( mechanical technology 91 question paper exclusive
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