When machining in lathes turning centres or multi-task machines calculating the correct values for. Formula Cutting Speed V pDN1000 mmin Where DDiameter of Workpiece in meter or millimeter NSpindle Speed in rpm Spindle speed edit This section needs additional citations for verification. To calculate the proper RPM for the tool and the workpiece we must use the following formula.
This RPM formula can be used for other machining operations as well.
Nd No of delvieries. Formula Cutting Speed V pDN1000 mmin Where DDiameter of Workpiece in meter or millimeter NSpindle Speed in rpm Spindle speed edit This section needs additional citations for verification. What does pi D equal in relation to a circle. RPM 12 x SFM 314 x Diameter.