Us e r 's GU i d e — 9
gS
Preference Settings (Prefs)
— Accesses various
customizable settings, such as dimensional answer
formats (see Preference Settings section).
Machinist Function Keys
C
Cutting Speed
— Enters or calculates Cutting
Speed. Unitless entries assumed feet per minute
in U.S. mode; meters per minute in Metric mode.
Calculates Cutting Speed given entered Diameter
and RPM (Spindle Speed). Result is displayed as a
whole number.
R
Revolutions per Minute
— Enters or calculates
RPM (Spindle Speed). Calculates RPM given entered
Diameter and Cutting Speed. Result is displayed as a
whole number.
gR
Model 4087
only
3-Wire Measurement (3-W Measure)
— Enters
or calculates a Three-Wire Measurement. Unitless
entries assumed Inches in U.S. mode; millimeters in
Metric mode. Calculates the maximum Three-Wire
Measurement and Pitch Diameter given entered
Thread Size and Wire Size, as long as the selected
Thread Classication is set to an External thread
type. If a Three-Wire Measurement value is entered,
the Pitch Diameter calculation is based on this
entered measurement.
f
Feed Rate
— Enters or calculates Feed Rate.
Unitless entries assumed inches per minute in
U.S. mode; millimeters per minute in Metric mode.
Calculates Feed Rate given values for Cutting Feed
and RPM (Spindle Speed) or Feed per Tooth (Chip
Load), RPM and Number of Teeth. If all of these
values are entered, the calculation based on Cutting
Feed and RPM takes precedence.
(cont'd)
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