Rpm - Turning; Rpm - Drilling - Calculated Industries MACHINIST CALC PRO User Manual

RPM – Turning
Calculate the Spindle Speed (RPM) needed to turn a piece
with a 125 mm Diameter at a recommended Cutting Speed
of 200 smm:
KeysTRoKe
OO
1. Enter the bit Diameter:
12 5 d
2. Enter the Cutting Speed:
2 00 C
3. Calculate the Spindle Speed (RPM):
*
R
* Repeated presses of
starting with the entered Cutting Speed.
RPM – Drilling
Calculate what the RPM (Spindle Speed) should be set to
when drilling into material with a recommended Cutting Speed
of 25 smm using a 17 mm bit:
KeysTRoKe
OO
1. Enter the Diameter:
17 d
2. Enter the Cutting Speed:
2 5C
3. Calculate the RPM:
*
R
* Repeated presses of
starting with the entered Cutting Speed.
22 — M
achinist
will toggle through the inputs and outputs,
R
will toggle through the inputs and outputs,
R
c P
alc™ ro
DIsPlay
$
DIa 125.
$
CUT 200.
M/MIn
RPM 509.
DIsPlay
$
DIa 17.
$
CUT 25.
M/MIn
RPM 468.
0 .
MM
0.
MM