Cutting Feed - Based On Feed Rate And Rpm; Drill Sizes - Calculated Industries 4087 User Manual

Advanced machining math and reference tool
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(cont'd)
KeySTROKe
3. Calculate the Cutting Feed:
c
c
c
Cutting feed – based on Feed rate and rpM
Calculate a Cutting Feed using a 15" Feed Rate and a Spindle
Speed of 800 RPM:
KeySTROKe
O O
1. Enter the Feed Rate:
1 5 f
2. Enter the Spindle Speed (RPM):
8 00 R
3. Calculate the Cutting Feed:
*
c
* Repeated presses of
starting with the entered Feed Rate.

DrIll SIzES

The
key allows the selection of a desired Drill Size, which can
D
be entered as a:
▪ Numeric value (whole digits 1 through 97)
▪ Letter between A and z
▪ Fractional or decimal Inch value (maximum of 3-1/2 Inches)
▪ Millimeter value (maximum of 78 mm).
36 — M
achinist
will toggle through the inputs and outputs,
c
c
P
alc™
ro
CUT 0.0200
INCH/ReV
fPT
0.005
$
TeeTH
feeD
15.
$
INCH/MIN
RPM
CUT 0.0188
INCH/ReV
DISPLAy
INCH
$
4.
DISPLAy
0.
800.
$

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Machinist calc pro 4087

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