Us e r 's GU i d e — 27
3. Calculate the Cutting Speed:
C
* CUT 25. M/MIN
* Repeated presses of
C
will toggle through the inputs and outputs,
starting with the entered Diameter.
FEED PER TOOTH (CHIP LOAD)
Feed per Tooth, or Chip Load, is the thickness of material
removed by each cutting surface. You can calculate Feed per
Tooth given values for Number of Teeth and Cutting Feed.
If the Cutting Feed is not known, the Feed per Tooth can be
calculated given values for Number of Teeth, Feed Rate and
RPM (Spindle Speed).
Feed per Tooth – Based on Cutting Feed and # of Teeth
Calculate Feed per Tooth (Chip Load) with a Cutting Feed of
0.60 millimeters for 4 Teeth:
KEYSTROKE DISPLAY
OO
0.
1. Enter the Cutting Feed:
.6c
CUT
$
0.6 MM/REV
2. Enter the Number of Teeth:
4#
TEETH
$
4.
3. Calculate the Feed per Tooth:
F
FPT 0.1500 MM
F
TEETH
$
4.
F
CUT
$
0.6 MM/REV
Feed per Tooth – Based on Feed Rate, RPM and # of Teeth
Calculate Feed per Tooth (Chip Load) with a 325 millimeters per
minute Feed Rate, 4 Teeth and a Spindle Speed of 800 RPM:
(cont’d)
KEYSTROKE DISPLAY
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