Specifications
45 
Southwestern Industries, Inc. 
TRAK LPM Programming, Safety, & Operating Manual 
6.5 Return to Absolute Zero 
At any time during manual DRO operation you may automatically move the table to your 
absolute zero location in X and Y by pressing the RETURN ABS 0 soft key. When you 
do, the message window will read "Ready to Begin: Press Go when Ready”. Make sure 
your tool is clear and press the GO key. The machine will move in rapid the Z axis to 
tool change position and then move the table to your X and Y absolute zero position. 
You will be at zero and in manual DRO operation. See Section 6.2, Reference Locations. 
6.6 Spindle Operation 
To set spindle speed press the SPIN SPEED softkey. The Data Input Line will prompt 
“Spindle RPM”. Enter the RPM value (150-8000) and press SET. If the spindle was 
already on when you began to enter the new speed, it will stay at the current speed until 
you press the SET key. 
You may override the spindle speeds with the SPINDLE OVERRIDE button above the 
handwheel. Press the SPINDLE OVERRIDE button. Use the Handwheel to change the 
spindle speed in 2% increments per pulse. Press the SPINDLE OVERRIDE button again 
to turn off the override feature. 
6.7 Axis Motion In The DRO Mode 
Whenever using the GO TO and ABS 0 function, keep the following in mind: 
When you press a location for positioning the machine, the message window will read: 
"Ready to Begin: Press Go when Ready” 
a.  Make sure your tool is clear of any fixturing or workpiece. 
b. The door must be closed before the machine will move. 
c. The Z axis will retract to the tool change position before moving in X and Y. 










