Southbend 18' & 60: EVS Toolroom Lathes 220v sb1016 User Manual
Page 60
-58-
For Machines Mfg. Since 7/09
Model SB1016/SB1036
O P E R A T I O N
Other Fractional TPI
Select one position and always return to that
single position on the thread dial for cutting the
TPI shown in Figure 101. Typically 1 on the
thread dial is selected for ease of memory.
Figure 101. Number 1 on the dial is selected for other
fractional TPI.
Position
1 Only
2¼,2¾,
3¼,3¾
2
7
⁄
8
TPI
You cannot use the thread dial when cutting this
thread. The chart indicates that in order to cut
this thread, the process is the same as for cutting
metric threads where the halfnut must stay
engaged until all threading pass are complete.
Figure 102. Cannot use the thread dial for 2
7
⁄
8
TPI.
2
7
⁄
8
Same as
Metric
Threads
Do Not Use
the Thread Dial for
This Thread. Must
Keep the Halfnut
Engaged Untill
this Thread is
Complete