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For Machines Mfg. Since 5/11 13" x 40" Heavy 13
®
EVS Lathe
-51-
OPERATION
Figure 66. Apron power feed controls.
E
F
E. Feed Selection Lever: Engages the power
feed for either the cross slide or the carriage
(see Figure 67).
Setting Power Feed Rate
The feed rate chart on the upper right of the
headstock face shows the settings 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 68.
Figure 68. Feed rate chart.
.050 LCT1W .002
.055 LCT2W .0022
.065 LCT4W .003
.085 LCT8W .0033
.10 LCS2W .004
.13 LCS4W .005
.18 LCS8W .007
mm
in.
3. The configuration string of characters to
the right of the selected feed rate (LCS8W)
displays the positions to set the feed controls
for a feed rate of 0.18mm/rev. (see Figure
68).
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
component you are trying to engage, so that
the apron gears can mesh.
F. Apron Feed Direction Knob: Reverses the
feed direction from what is shown on the
headstock.
Note: The advantage of using 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.
Cross Slide
Disengaged
Feed Selection
Lever
Carriage
Figure 67. Feed selection lever positions.