Calculated Industries MACHINIST CALC PRO - DRILL SIZES

28 — Ma c h i n i s t ca l c ™ Pr o
(cont’d)
KEYSTROKE DISPLAY
OO
0.
1. Enter the Feed Rate:
325f
FEED $ 325. MM/MIN
2. Enter the Number of Teeth:
4#
TEETH $ 4.
3. Enter the Spindle Speed (RPM):
800R
RPM $ 800.
4. Calculate the Feed per Tooth:
F
* FPT 0.1016 MM
* Repeated presses of
F
will toggle through the inputs and outputs,
starting with the entered Number of Teeth.
RADIAL CHIP THINNING
In a Milling operation when the depth of a cut is less than half
the diameter of the tool, you can use the Radial Chip Thinning
to determine a new, faster and more efcient Chipload or Feed/
Tooth value.
Radial Chip Thinning –
Based on Feed per Tooth, Tool Diameter and Cut Depth
Calculate Radial Chip Thinning value with a Feed Per Tooth of
0.15 millimeters, a 25 millimeter Tool Diameter and a Cut Depth
of 2.5 millimeters:
KEYSTROKE DISPLAY
OO
0.
1. Enter the Feed per Tooth:
.15F
FPT $ 0.15 MM
2. Enter the Tool Diameter:
25d
DIA $ 25. MM
UG4089E-A-inside.indd 28 6/9/2011 3:16:17 PM