Tormach ATC Operator's Manual page 21

8.
Remove the tool from the tray, then jog the Z axis
back down until the spindle is just above the tool fork.
Visually check that the tray is level and on a parallel
plane to the underside of the spindle. You should
see the same distance between the tool fork and the
spindle face around the perimeter of the spindle.
9.
Now, pull your hand away, and click "Reference tool
tray". It will return to the newly centered position.
Once the first slot is oriented, all other slots will stop
in the same relative position. The ATC will remember
this offset indefinitely, until it is reset by the same
procedure. This is now the reference location for the
ATC.
We're now ready to verify the alignment. First, verify that
the power drawbar is adjusted correctly. The drawbar
should be adjusted so that a tool holder will fall out of
the spindle when the drawbar is actuated. Draw bar
adjustment is discussed in the power draw bar installation
manual, included for reference on the ATC software
installation CD.
Test the ATC Alignment
1.
Click "Go To Tray Load Position" on the ATC Setup
screen.
2.
Push the TTS tool holder with dowel into the open slot
in the tool tray.
3.
Slowly jog Z down until the TTS shoulder touches
the spindle nose. It should slide smoothly on the
TTS shank. If it doesn't, the tray is miss-aligned (not
centered or perpendicular to the spindle), or the collet
hasn't opened far enough to spring out for smooth
entry.
If the tray is not properly aligned there will be
noticeable movement at the end of the dowel as the
spindle slides down over the tool shank. This must
be corrected by adjusting either the tilt or the XY
location of the forks to ensure trouble-free operation.
4.
Once you get aligned for a smooth descent, jog Z to
the shoulder. When the spindle is resting on the tool
shoulder, click the "Set Tool Change Z" button on the
ATC Setup screen.
5.
You've now set the tool change location of the Z axis
for all tool changes. This position is remembered as
a machine coordinate, is saved at shutdown, and is
independent of all work or tool offsets established
during machining. As long as Z is referenced, the tool
change will occur at the same place.
6.
After setting the tool change location, jog the Z axis
back up off of the tool shank and remove the tool from
the fork.
Now check the individual fork alignment. During shipping
or assembly, the forks in the tool tray can shift a bit off
center. The tool holding forks need to all line up the same
way under the spindle. Jog the spindle up slightly, then
on the ATC Control screen click the Tray FWD button to
index the carousel to the next tool fork. Jog Z down to
so the spindle is touching the top of the fork spring. Push
the spring left or right until it is roughly centered using
the thumb and index finger technique employed in step
7 in the previous section (Align tool Tray and Slots). If the
alignment is off, you might have to jog up and loosen the
nylon bolts a tad first. Jog up and tighten the nylon bolts
at center until snug but not overly tight. Repeat to align all
the slots.
You should only have to do this once. At this point all the
forks will align identically to the spindle and work as SLOT
1 did. You may verify this by hitting the "Go To Tray Load
Position" button and advancing through each of the tool
positions. With the draw bar actuated, insert a tool holder
in the slot, jog down to Tool Change Z by hitting the "Go to
Change Z" button on the ATC screen. When finished, click
"Go To Tray Load Position" to move the spindle away from
the tool, then manually remove the tool from the fork.
Your system, once aligned and verified, is ready for use.
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