Squaring 17-4 blocks(Fast)
Just squaring up some blocks. 17-4 H1150 ( about 30Rc). Cuts were as follows,
A) 3.0 mitsubishi asx - 600 rpm, 20 ipm and .02 deep
B) Garr 630 series resharpened to .675
cut #1 2800 rpm, 34 ipm .175 deep, .25 radial
cut #2 6200 rpm, 200 ipm, 1.52 deep, .04 radial
C) M.A. Ford 3/4 Tuffcut 177, 3100 rpm, 33 ipm,1.52 deep, .01 radial.
Update;
Changed facemill to NX4545 grade inserts- 2000 rpm, 56 ipm
Changed finish endmill to 3400 rpm, 40 ipm
Cycle time 1:50
Rougher ran 120 parts for a actual in cut time of 1 hour.