Calculated Industries 4088 - Page 30

30 — Machinist calc
®
Pro 2
1L
HIGH SPEED STEEL
TOOL 1.
3. Select the Material:
4N
4140-ALLOY STEEL
MATL 4.
4. Enter the Number of Teeth:
2gI (#Teeth)
NUMBER OF TEETH
2.
5. Enter the Depth of Cut:
.1gN (DOC)
DEPTH OF CUT
0.1 INCH
6. Enter the Diameter:
1d
DIAMETER
1. INCH
7. Find the Feed per Tooth and other values:
T
FEED/TOOTH
0.012 INCH
T
FEED/MINUTE
12.376 INCH
T
NUMBER OF TEETH
2.
T
RPM
516.
8. Now, add a Width of Cut to 0.15" and a 45° Lead Angle and
recalculate:
.15gP (WOC)
WIDTH OF CUT
0.15 INCH
(cont'd)