Calculated Industries 4088 - Cutting Speed - Drilling

User's Guide — 27
(cont'd)
S
CUT SPEED
/MIN 370.
7. Calculate the RPM:
S
RPM
2827.
Cutting Speed – Drilling
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g*
ALL CLEARED 0.
1. Select the Process:
6P
DRILLING
6.
2. Select the Tooling:
1L
HIGH SPEED STEEL
TOOL 1.
3. Select the Material:
1N
1020-LO C. STEEL
MATL 1.
4. Enter the Drill Size:
.5D
1/2" DRILL
SIZE 0.500 INCH
5. Find the Cutting Speed:
S
CUT SPEED
/MIN 85. FEET
6. Calculate the Spindle Speed:
S
RPM
649.