26 — M
achinist
c
alc™
P
ro
r C
*
CUT
$
58.904862
M/MIn
* The calculated Cutting Speed is displayed as a rounded, whole
number value.
r
C
displays the stored Cutting Speed value in
decimal floating point format.
Cutting speed –
Turning
Calculate the Cutting Speed when turning a 100 mm rod at 300
RPM (Spindle Speed):
KeysTRoKe
DIsPlay
O O
0.
1. Enter the Diameter of the rod:
1 0 0 d
DIa
$
100.
MM
2. Enter the RPM:
3 0 0 R
RPM
$
300.
3. Calculate the Cutting Speed:
C
*
CUT 94.
M/MIn
* Repeated presses of
C
will toggle through the inputs and outputs,
starting with the entered Diameter.
Cutting speed –
Drilling
Calculate the Cutting Speed using a 10.5 mm drill bit with the
Spindle Speed set to 750 RPM:
KeysTRoKe
DIsPlay
O O
0.
1. Enter the Diameter of the hole to be drilled:
1 0 . 5 d
DIa
$
10.5
MM
2. Enter the RPM:
7 5 0 R
RPM
$
750.
(cont’d)
KeysTRoKe
DIsPlay
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