U
ser
'
s
G
Uide
— 31
2. Enter the Number of Teeth:
4 #
TeeTH
4.
3. Calculate the Feed per Tooth:
F
fPT 0.0060
INCH
F
TeeTH
4.
F
CUT
0.024
INCH/ReV
feed per Tooth –
Based on Feed Rate, RPM and # of Teeth
Calculate Feed per Tooth (Chip Load) with a 12.8 Inch per
minute Feed Rate, 4 Teeth and a Spindle Speed of 800 RPM:
KeYSTROKe
DISPLAY
O O
0.
1. Enter the Feed Rate:
1 2 . 8 f
feeD
12.8
INCH/MIN
2. Enter the Number of Teeth:
4 #
TeeTH
4.
3. Enter the Spindle Speed (RPM):
8 0 0 R
RPM
800.
4. Calculate the Feed per Tooth:
F
*
fPT 0.0040
INCH
* Repeated presses of
F
will toggle through the inputs and outputs,
starting with the entered Number of Teeth.
cuTTINg FEED
Cutting Feed is the distance the cutting tool or workpiece
advances during one revolution of the spindle, typically measured
in inches per revolution (IPR). You can calculate Cutting Feed
given values for Feed per Tooth (Chip Load) and Number of Teeth.
If these values are unknown, you can calculate Cutting Feed with
Feed Rate and RPM (Spindle Speed).
KeYSTROKe
DISPLAY
(cont'd)