Southbend South Bend SB1051 - Manual (Page 54)

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For Machines Mfg. Since 5/11 13" x 40" Heavy 13 ® EVS Lathe O P E R A T I O N
Note: In the next step, use the chuck key to rock
the spindle back-and-forth to help mesh the
gears as you make adjustments.
4. Position the controls as directed by
the configuration string as follows (see
Figure 69):
L Move the feed range lever to the low
(Low) position.
C Point the left quick-change gearbox lever
to the C.
S Move the middle quick-change gearbox
lever to the S.
8 Position the bottom gearbox lever in the
8
slot.
W Point the right gearbox lever to the W.
The end gears can be setup for the standard or
alternate configuration, depending upon the
type of operation to be performed. The lathe
is shipped with the end gears in the standard
configuration.
Standard End Gear Configuration
Use the standard end gear configuration for inch
threading, metric threading and all general feed
operations.
In the standard configuration (see Figure 70),
the 24T end gear is installed in the top position,
the 44T/56T transposing gears in the middle
position, and the 57T end gear in the bottom
position. The 56T, 57T, and 24T gears are
meshed.
End Gears
24T 44T
56T
57T
Figure 70. End gears in the standard configuration.
57T
56T
24T
Inch and Metric Pitch
Threading
Inch and Metric Feeding
44T
Figure 69. Power feed controls positioned for
0.18 mm/rev.
.18 LCS8W .007
When using power feed to move the cross
slide, the feed rate is
1 ⁄
2
the value stated in
the feed rate chart.