Feeds/Speeds Flashcards
0
Q
What is the formula used to calculate FEED RATE?
A
feed rate (in IPM) = F x N x rpm
Where
IPM = inches per minute F = feed per tooth N = number of teeth in cutter rpm = revolutions per minute
1
Q
What is the formula used to calculate spindle RPM?
A
Rpm = (cutting speed x 12)/(cutter/work piece diameter x π)
