Southbend SB1059F Manuale Utente

Pagina di 140
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For Machines Mfg. Since 3/11
EVS Toolroom Lathe w/DRO
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.
3.
  For a metric thread pitch of 2.5mm, use the 
configuration string of characters to the 
right of the selected thread pitch (LCR3Z) to 
position the threading controls as follows:
L
 
Move the gearbox range lever to the low 
position.
C
 
Point the left gearbox lever to the C.
R
 
Point the middle gearbox lever to the R.
3
 
Position the bottom gearbox lever in the 
3
 slot.
Z
 
Point the right gearbox lever to Z.
The lathe is now setup to cut a 2.5mm thread 
pitch.
Apron Controls
The half nut lever engages the apron with 
the leadscrew which moves the carriage and 
cutting tool along the length of the workpiece for 
threading operations (see Figures 78–79).
Important: 
Make sure the feed control lever 
is in the disengaged (middle) position before 
attempting to engage the half nut.
Engaged
Disengaged
Engaged
Disengaged
Half Nut Lever
and Half Nut
Feed ON/OFF
Lever
Figure 79. Feed ON/OFF lever and half nut positions 
for threading.
Attempting to engage the half nut while the 
cross slide or carriage is engaged with the 
feed rod could cause severe damage to the 
lathe. Never attempt to engage the half nut 
while the feed control lever is engaged.
Figure 78. Carriage controls.
Feed ON/OFF 
Lever
Half Nut
Lever