Directions: Fill in the blocks shaded in blue with the appropriate information. The calculator will automatically provide the necessary speed and feed in the green fields. For assistance, call Dapra @ (800) 243-3344.
No of inserts (flutes)
Maximum spindle speed of the milling machine
Recommended cutting speed
Spindle speed (unadjusted)
Spindle speed (adjusted for machine maximum)
Axial depth of cut (d.o.c.)
Radial width of cut (w.o.c.)
Feed per tooth (desired chip thickness)
Actual chip thickness (before w.o.c. adjustment)
Unadjusted feed rate
Adjusted feed rate (compensates for w.o.c.)
Adjusted FPT (for width of cut < 1/2 tool dia.)
Metal removal rate with adjustment to w.o.c.