10 —
M
achinist
c
alc™
P
ro
(cont’d)
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.
g f
Wire Size —
Enters or calculates Wire Size for
3-Wire Measurements. Unitless entries assumed
Inches in U.S. mode; millimeters in Metric mode.
Calculates the recommended Ideal, Maximum
and Minimum Wire Sizes given an entered Thread
Size.
b
bolt pattern —
Enters the number of holes in a
Bolt Pattern. Calculates the hole Center-to-Center
Spacing and the x and y coordinates for each hole
in a Bolt Pattern given entered Diameter, Number
of Bolt Holes, Starting Angle (optional) and Center
x and y coordinates (optional).
g b
Thread Classification (Thread Class)
—
Used
to select the Thread Class for numeric and
fractional Threads and the Tolerance Class for
metric Threads. The default Class for numeric and
fractional Thread Sizes is 2B (Internal) and the
default Tolerance Class for metric Thread Sizes
is 6H (Internal). See
Thread Sizing
section for
further details on available Classes.
t
Thread Size —
Enters a numeric, fractional
or metric Thread Size and provides Thread
characteristics such as Cut Tap Drill Size,
Minimum Major Diameter, etc. See
Thread
Sizing
section for further details on entry format,
valid entries and a listing of the resulting Thread
characteristics.