PSV7000_ Owners Manual_096-0460-001B - 第122页
Maintenance ■ Workspace, Head and Gantry 4—16 Data I/O • 096-0640-001B back WARNING: Possible collision hazard! The h igh speed and force of the gantry can seriou sly harm anyone working inside the workspace. When workin…
■ Workspace, Head and Gantry ◘ Adjusting Probe Blow-Off Pressure
PSV7000 Owner’s Manual 4—15
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Adjusting Probe Blow-Off Pressure
Note: The flow controls are set at the factory and should not
require adjustment. If adjustments need to be made, they should be
done in small steps until the desired results are reached.
Blow-off is a small puff of air applied at the probes during the device
drop event to assist in removing a device from the probe. Blow-off is
produced by a vacuum generator on the PNP head. If set too high,
blow-off could cause device misalignment during placement.
Tools Required
• Large flat screwdriver
• Very small flat screwdriver
To adjust blow-off pressure on any vacuum generator:
1. Click System > Misc. I/O.
2. At the I/O Interface window, select the desired vacuum genera-
tor, probe 1 or probe 2 (or both).
3. Click Vacuum to the OFF position. Refer to Figure 4-5.
4. Click Blow-off to the ON position.
Figure 4-5: Vacuum and Blow-off on the I/O Interface window.
Maintenance ■ Workspace, Head and Gantry
4—16 Data I/O • 096-0640-001B
back
WARNING: Possible collision hazard! The high speed and
force of the gantry can seriously harm anyone working inside
the workspace.
When working within the machine workspace, moving the
PNP head must be the responsibility of only one qualified
individual. All others must stay clear of the machine controls
to prevent injury to that person.
Ensure that a job is Paused or Finished, or the system power
is OFF prior to opening any safety doors.
5. Locate the actual vacuum generator (Data I/O PN 815-0047-001+)
on the right side of the PNP head. Find the blow-off adjustment
set-screw. It is inside a long knurled stem which needs to be
loosened before adjusting the set-screw. See Figure 4-6.
Figure 4-6: The Blow-off adjustment set-screw on the vacuum
generator is inside a knurled locking stem (arrow). (The vacuum block
must NOT be removed as shown here.)
6. Turn the adjustment screw until the vacuum generator readout
displays +1.5 to 2.0 kPa.
7. While holding the set screw with the screwdriver, tighten the
knurled stem.
8. Do the same for the other probe.
9. Click Blow-off to the OFF position.
If you had a blow-off problem, test your results.
■ Workspace, Head and Gantry ◘ Adjusting the Vacuum Generator Sensors
PSV7000 Owner’s Manual 4—17
back
Adjusting the Vacuum Generator
Sensors
Note: If you notice consecutive programming pick errors, before
adjusting vacuum sensors complete the Z-Axis adjustment. For
instructions on Z-Axis adjustment, see Teaching the Workspace
Locations on page 3-9. If completing the Z-Axis adjustment does
not reduce or eliminate subsequent pick errors, complete the vac-
uum sensor adjustments described here.
Vacuum sensors on the PSV7000 System are adjustable. The
I/O Interface window displays a list of the sensors in the
PSV7000 System and the status of each sensor.
Note: The number of sensors on the PSV7000 System depends on
the options installed.
To view the status of sensors at the main AH700 Setup window, click
System > Misc. I/O.
Figure 4-7: The I/O Interface window reports sensor status and allows
switching options on or off. (The number of tabs vary.)
To Adjust Probe Vacuum Generator Sensors:
1. Finish a job.
2. At the Gantry window, move the PNP head to the Tool position
3. Close the Gantry window and at the System window click
Misc. I/O.
4. At the I/O Interface tab, for both probes, click the Vacuum toggle
ON and the Blow-off toggle OFF. Refer to the figure above.
Click the Tool label on
the Gantry window to
move the head for easy
access; front and center.