CNC milling machine processing F, S are on behalf of what, what is the unit?
S spindle speed {(.... / min) how many minutes per minute} If no minute 500 turn (500 / min)
Walking speed {(mm / min) how many millimeters per minute} such as 5000 mm per minute (5000 / min)
how many millimeters per minute} such as 5000 mm per minute (5000 / min)
