Grizzly G0709 Owner's Manual: Feed Settings

14" x 40" gunsmithing lathe.
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A high feed rate or threading at a high speed
reduces your reaction time to disengage the
apron or leadscrew to avoid a crash with
the spinning chuck. When threading, mak-
ing too deep of a cut can result in the half
nut binding with the leadscrew causing an
impaired ability to disengage the half nut
to avoid a chuck crash. pay close atten-
tion to the feed rate you have chosen and
keep your foot poised over the brake pedal.
failure to fully understand this may cause
the carriage to crash into the chuck.

feed Settings

various feed rates are achieved on this lathe by
moving knobs, levers, and rearranging change
gears according to the threading chart located
on the headstock. All required change gears are
pre-installed on this lathe, and no external gears
are required.
To set up for a power feed operation:
disConneCt lAthe FroM poWer!
remove the cover on the left-hand side of the
headstock to expose the change gears.
look at the lathe feed rate chart, and find the
required feed rate for your turning or facing
operation. in each box on the chart, two num-
bers are separated by a slash (see figure
51). the top-right number is carriage feed,
and the bottom-left number is cross feed. if
for example, a carriage feed rate of 0.00168"
is needed, the change gears and feed dials
must be in the following positions fATX1.
—"f" is the first letter in the sequence and
indicates that the change gears must be
rearranged in the "F" sequence as shown
in figure 52. the change gears are locat-
ed on the left-hand side of the lathe, behind
the headstock gear cover shown in.
—"ATX" is the second group of letters that
indicate which positions to turn the lettered-
feed dials to.
—"1" is the last digit and indicates which posi-
tion to turn the numbered feed dial to.
Cross slide
Feed rate
figure 51. Feed rate chart.
Model G0709 (Mfg. Since 5/11)
Carriage Feed rate


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