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Model G0740 (Mfg. Since 11/12)
E. Feed Selection Lever: Directs the power
feed to either the cross slide or the carriage.
When the lever is down and the indent pin
is pointing up, the cross slide is selected.
Conversely, when the lever is up and the pin
is pointing down, the carriage is selected.
In the middle position, the apron gears are
disengaged from the feed rod and neither
component will move.
Note: When using this lever, you may need
to slightly rotate the handwheel of the com-
ponent you are trying to engage, so that the
apron gears can mesh.
F. Apron Feed Direction Knob: Changes the
feed direction when the lathe is running.
The advantage of this knob is that you can
quickly reverse power feed direction while
the spindle is rotating—without having to turn
the lathe OFF, waiting until the spindle is
stopped, then using the feed direction lever
on the headstock.
Setting Power Feed Rate
The feed rate chart on the upper right of the head-
stock face displays the settings for the headstock
feed controls for metric and inch feed rates.
Using the controls on the lathe, follow along with
the example below to better understand how to
set the lathe for the desired power feed rate.
Setting Power Feed Rate of 0.18mm/rev
1. Make sure the end gears are in the standard
configuration, which is applicable for general
feed operations (refer to End Gears on the
next page for detailed instructions).
2. Locate the line in the feed rate chart that lists
the setting for 0.18mm of feed per revolution
of the spindle, as illustrated in Figure 74.
Figure 74. Feed rate chart.
.050 LCT1W .002
.055 LCT2W .0022
.065 LCT4W .003
.085 LCT8W .0033
.10 LCS2W .004
.13 LCS4W .005
.18 LCS8W .007
.22 LCR3W .009
.28 LCR4W .011
.35 LCR8W .014
.44 LCS8X .017
.55 LCR2X .022
.68 LCR3X .027
.85 LCR8X .033
1.2 HCS2X .047
1.4 HCS4X .055
1.7 HCS8X .067
mm
in.
Figure 73. Apron power feed controls.
Depending on the combined configuration
of the headstock feed direction lever and
the apron feed direction knob, the actual
direction of power feed may be different
from the printed indicators on the machine!
When using power feed to move the cross
slide, the feed rate is
1
⁄2 the value stated in
the feed rate chart.
E
F