Calculate Speeds and Feeds

Calculate Speed
Cutter
Diameter
(1)

(1)Enter Cutter Diameter

(2)Surface Speed to Calculate the R.P.M.

***For deep slots reduce the Ft./Min. by 20 to 40%

Surface Speed
Ft./Min.
(2)
R.P.M.

Calculate Feed
Number of
Teeth
(1)

(1)Enter the No. of Teeth

(2)Enter Chip Load per Tooth to Determine the Feed Rate (In./Min.)

***Use .002-.005 as starting chip load per tooth

Chip Load
per Tooth(2)
Feed Rate in
In./Min.