Micron Technical Reference V9 Volume 1.pdf - 第249页

SQUEEGEE MODULE CALIBRATIONS Chapter Issue 6, Jul 16 Technical Reference Manual 9.21 1 1. Select Squeege es . 12. Select Calibrate Heights . 13. The following machine sequence is carried out: a. The rails are checked for…

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SQUEEGEE MODULE
CALIBRATIONS
9.20 Technical Reference Manual Chapter Issue 6, Jul 16
The figure below gives a representation of the Ptest.dat file.
Squeegee
Reference Height
(Non Pressure
Feedback)
The squeegee reference height is carried out after a squeegee change on
machines without the Pressure Hardware option. This procedure must be used
if Pressure Hardware is disabled.
Use the following procedure to set the squeegee reference height:
1. Select Open Cover Commands.
2. Select Carriage To Front.
3. Select Unload Screen.
4. Open the front printhead cover.
5. Remove the stencil from the machine.
6. Fit the required squeegees to the front and rear squeegee mounts as
detailed in the Replacement Procedures section of this chapter.
7. Close the front printhead cover.
8. Press the System button.
9. Select Back.
10. Select Setup Product.
(Fwd Press Flood) (Rear Press Flood) (Flood Ref. Height) (Front Ref. Height) (Rear Ref. Height)
33.1004 31.9668 3951.6971 3947.7037 3935.1178
(steps)
(kg)
Rear Squeegee
4301.000000
4286.000000
4271.000000
4256.000000
4241.000000
4226.000000
4211.000000
4196.000000
4181.000000
4166.000000
4151.000000
4136.000000
4121.000000
4106.000000
4091.000000
4076.000000
4061.000000
4046.000000
4031.000000
4016.000000
22.480215
21.961163
21.503175
21.045188
20.587201
20.068149
19.640694
19.182706
18.724719
18.266732
17.747680
17.289692
17.801172
16.343185
15.885198
15.396678
14.908158
14.480703
13.992184
13.564729
Front Squeegee
(steps)
(kg)
4039.000000
4324.000000
22.388617
21.930630
21.472643
21.045188
20.587201
20.129213
19.640694
19.213239
18.694187
18.266732
17.839277
17.350757
16.892770
16.465315
16.007328
15.579873
15.121886
14.724963
14.236444
13.778456
4309.000000
4294.000000
4279.000000
4264.000000
4249.000000
4234.000000
4219.000000
4204.000000
4189.000000
4174.000000
4159.000000
4144.000000
4129.000000
4114.000000
4099.000000
4084.000000
4069.000000
4054.000000
NOTE
Text shown in italics is not
displayed in the Ptest.dat file.
SQUEEGEE MODULE
CALIBRATIONS
Chapter Issue 6, Jul 16 Technical Reference Manual 9.21
11. Select Squeegees.
12. Select Calibrate Heights.
13. The following machine sequence is carried out:
a. The rails are checked for the presence of a board.
b. The rising table is driven to print height.
c. The board clamps are closed.
d. The print carriage drives the front squeegee over the front rail.
e. The front and rear squeegees are driven down by the stepper motor to
dwell height.
14. Select Calibrate Front Squeegee.
15. The front squeegee is driven down to the current reference height position.
16. Select Jog.
17. Open the front printhead cover.
18. Using a 0.1mm shim placed between the front rail and the front squeegee,
check that the shim moves with a small amount of friction.
19. If the gap is correct, go to Step 29.
20. For adjustment, select the appropriate Jog Up/Jog Down button on the
monitor.
21. Using the two button controls simultaneously, jog the squeegee in the
chosen direction.
22. Recheck the gap.
23. Repeat Steps 20 to 22 until the correct gap is achieved.
24. Close the front printhead cover.
25. Press the System button.
26. Select Back.
27. Select Save.
28. Go to Step 31.
29. Close the front printhead cover.
30. Press the System button.
31. Select Back.
32. Select Calibrate Rear Squeegee.
33. The rear squeegee is driven down to the current reference height position.
34. Repeat Steps 16 to 31 for the rear squeegee.
35. Select Back.
36. Select Back.
37. Select Back.
SQUEEGEE MODULE
CALIBRATIONS
9.22 Technical Reference Manual Chapter Issue 6, Jul 16