تبلیغات

Cutting Speed (feet per minute):

Diameter (inches):

Result:
RPM
RPM = 12*CS/(pi * diameter)

 

Suggested starting values (HSS tool)


Feet per minute
Steel (tough)50–60
Mild steel100–125
Cast iron (medium)60–80
Stainless steels (300 & 400 series)75–130
Bronzes80–150
Aluminium250–350
Brass300-700