30 — M
achinist
c
alc™
P
ro
(cont’d)
c
TeeTH
$
4.
Cutting feed –
based on Feed rate and rPM
Calculate a Cutting Feed using a 375 millimeter Feed Rate
and a Spindle Speed of 800 RPM:
KeysTRoKe
DIsPlay
O O
0.
1. Enter the Feed Rate:
3 7 5 f
feeD
$
375.
MM/MIn
2. Enter the Spindle Speed (RPM):
8 0 0 R
RPM
$
800.
3. Calculate the Cutting Feed:
c
*
CUT 0.4688
MM/ReV
* Repeated presses of
c
will toggle through the inputs and outputs,
starting with the entered Feed Rate.
DRILL SIzES
The
D
key allows the selection of a desired
metric Drill Size,
which can be entered as a millimeter value (maximum of 78 mm).
If the entered value doesn’t match a Drill Size, the next smaller
size is displayed.
To set the displayed Drill Size, press
O
(or any
other key).
Note:
You can toggle through the available sizes in increasing order with
either the
D
key or the
+
key. The
-
key displays the available sizes in
decreasing order. U.S. drill sizes will be displayed as well, as they are also
included within the Drill Size table.
Enter a 3.7 mm hole size and toggle through the available sizes
to view the next larger and next smaller sizes:
KeysTRoKe
DIsPlay
UG4089E-A-inside.indd 30
6/9/2011 3:16:17 PM
