This page last modified on Sunday, August 12, 2007
Speed and Feeds
These calculators are for reference. JanProducts gives no warranty, express or implied, as to the accuracy, reliability and completeness of any information, formulae or calculations provided through the use of these calculators and does not accept any liability for loss or damage of whatsoever nature, which may be attributable to the reliance on and use of these calculators.
Cutting Speed of Metals
Values for High Speed Cutters in Feet/Minute
Multiply x3 for Carbide
Aluminum All alloys 250 and up
Soft Brass Half hard 150-220
Hard Brass and bronze Full hard 60-160
Cast Iron All 60-100
Mild Steels 1018, Free machining stainless 80-120
Tough Steels 304 Stainless, Tool steels 40-80
Cutting Speed Calculator
This will calculate the spindle speed to use based on the cutting speed
of material and the diameter of the stock(on lathe) or cutter(on mill).
Some generics cutting speeds are given on the table. Refer to your supplier
or reference books like Machinery Handbook for a more complete list.