Micron Technical Reference V9 Volume 1 - 第287页

PROFLOW MODULE REPLACEMENT PROCEDURES Chapter Issue 2, Aug 14 Technical Reference Manual 11.13 1 1. Loosen the four captive screws securing the ProFlow printhead mechanism to the print carriage using a 4mm Allen key . Ca…

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PROFLOW MODULE
REPLACEMENT PROCEDURES
11.12 Technical Reference Manual Chapter Issue 2, Aug 14
nism. Once the unit is slid fully home, it is secured by closing the locking clip.
6. Connect both curly air lines to the self-seal pneumatic connectors situated
either side of the ProFlow printhead mechanism, figure in Step 2 refers.
7. Connect the ProFlow Paste Level connector (9PL62) to the amplifier con-
nector 9PL61, left hand side, figure in Step 2 refers.
CAUTION
ELECTRICAL CONNECTION.
This electrical connection informs the
machine of ProFlow fitment and must always be connected whilst the
ProFlow unit is fitted otherwise damage may occur if machine is run.
NOTE
If the squeegee paste dispenser is fitted to the print carriage, before using
ProFlow, ensure that the paste dispenser regulator gauge reads '0' pres-
sure.
8. Switch the mains isolator to ON and ensure that the machine recognizes the
ProFlow module fit by displaying ProFlow Uninitialised during the machine
initialisation sequence.
9. Carry out the ProFlow Contact Position Setup in the Calibrations section
later in this chapter.
Drive Belt
Replacement
1. Select Open Cover Commands.
2. Select Carriage To Front.
3. Select Back.
4. Select Shut Down.
5. Select Continue.
6. Switch the mains isolator to OFF.
7. Open the front printhead cover.
8. Disconnect both curly air lines from the self-seal pneumatic connectors
situated either side of the ProFlow printhead mechanism.
9. Disconnect the following connectors from the print carriage, left hand side
(figure in Step 8 of Squeegees to ProFlow section refers):
• ProFlow Motor
• Home Sensor
• ProFlow Paste Level
10. Remove the ProFlow pressure mechanism and transfer head.
PROFLOW MODULE
REPLACEMENT PROCEDURES
Chapter Issue 2, Aug 14 Technical Reference Manual 11.13
11. Loosen the four captive screws securing the ProFlow printhead mechanism
to the print carriage using a 4mm Allen key. Carefully remove the mecha-
nism from the print carriage.
12. Placing the unit on a secure surface, slacken off the four screws securing
the stepper motor to the support plate.
13. Remove the old belt and fit the new belt in position.
14. Using a cable tie wrap or similar, provide a loop around the top of the motor
body enabling the motor to be pulled using a force meter. Ensure that the
force meter is pulled in the direction which the drive belt is fitted.
15. Pull the force meter until a tension of 3kgs to 4kgs is monitored on the
meter. Tighten the four screws whilst the motor is under tension.
16. On completion re-fit the printhead mechanism to the print carriage and re-
connect all leads to the print carriage.
17. Re-fit pressure mechanism and transfer head to printhead mechanism.
Motor Securing Screws
(4 positions)
Force Meter
Tie-wrap
3kgs to 4kgs
Tension
PROFLOW MODULE
CALIBRATIONS
11.14 Technical Reference Manual Chapter Issue 2, Aug 14
CALIBRATIONS
ProFlow Contact
Position Setup
To set up the ProFlow contact height position carry out the following procedure:
1. Select Open Cover Commands.
2. Select Carriage To Front.
3. Select Back.
4. Open the front printhead cover.
5. Load the calibration stencil into the chase.
6. Fit an empty transfer head to the ProFlow pressure mechanism and remove
the ProFlow cover.
7. Position a 0.1mm shim on the stencil under the transfer head.
8. Close the front printhead cover.
9. Press the System button.
10. Select Load Screen.
11. Select Maintenance.
12. Select Calibrations.
13. Select ProFlow.
14. Select ProFlow Heights.
The following window and menu bar is displayed:
This parameter sets the height of the ProFlow printhead so that it just
touches the stencil surface.
15. Using the Incr. or Decr. keys, set the Contact Position to 5.5mm.
16. Select Move to Position, the ProFlow unit is driven to the position set.
17. Open the front printhead cover.
NOTE
Correct contact height is when the shim is just held between the transfer
head wipers and stencil. At this position it is not possible to slide the shim
sideways past the transfer head skis.
18. If correct contact height is achieved go to Step 24.
19. Close the front printhead cover.
20. Press the System button.
21. Using the Incr. or Decr. buttons, increase or decrease the Contact Position
set height by 0.5mm (eg 5.0mm or 6.0mm).
NOTE
Normally the contact position is between 4mm and 8mm (nominally 6mm).
Minimum Maximum Increment Default
- 10mm +10mm 0.1mm 0.0mm
ProFlow Calibrations
PFLOW CONTACT POS.
0.0
mm