Author: | E. Fisher |
Reviewer(s): | |
Editor(s): | S. Boehm, S. Frank |
Management Approval (Name, Title, Date): | B. Mills (Lab Officer) |
Audience: | Technicians |
Origination date: | 4/28/2013 |
Current version: | 7/30/2018 |
Revised: | |
Domain: | Thin Section Lab |
System: | Logitech LP50 |
Keywords: |
This User Guide will help Thin Section technicians start up and check the flatness of the Logitech LP50. For more information refer to the Logitech Thin Rock Section Production manual, available in the Thin Section Lab both on a Logitech thumb drive in the bookcase and computer under the "Manual" folder on the desktop. Also refer to Operation and Maintenance of the LP50 Lapping and Polishing Machine manual, located in the black binder in the Thin Section Lab bookcase labeled "LP50, PM5 and Associated Equipment".
Figure 1
2. Press the middle of the joystick for ok (Fig. 2).
Figure 2
3. Checking systems (Fig. 3) screen will appear, make sure no jigs on the lapping plate and press ok to continue.
Figure 3
4. Process Screen and Machine Setup (Fig. 4) screen will appear.
Figure 4
Figure 5
6. On the Process Screen and Machine Setup (Fig. 4) screen move the joystick down and select Machine Setup. Press ok.
7. On the Machine Setup (Fig. 6) screen move the joystick down and select Monitor Set-Up. Press ok.
Figure 6
8. On the Monitor Set-Up (Fig. 7) screen there will be a Raw Plate Shape scale and an Actual Plate Shape scale.
Figure 7
d. Move the joystick to the right and select Exit. Press ok.
e. It will return back to the Machine Setup (Figure 6) screen. Move the joystick down and select Exit. Press ok.
f. It will return back to the Process Screen and Machine Setup (Fig. 4) screen.
Figure 8
3. When the Please Set Jig Positions screen (Fig. 9) appears, the monitor and jig arms need to be positioned. Do not press ok yet.
Figure 9
Figure 10
c. Place the large arm with rollers facing up on the post that is forward and on the right side of the lapping plate.
Figure 11
d. Remove the center cross.
e. On the Please Set Jig Positions screen (Fig. 9) select and press OK.
Figure 12
2. Abrasive screen (Fig. 13), select Abrasive Drum and rotate the joystick clockwise to change it from OFF to ON
Figure 13
3. Abrasive screen (Fig. 13), move the joystick down and select Override. Press ok to change it from an X to a checkmark.
4. Move the joystick down and select and press OK.
5. Operating screen (Fig. 12), move the joystick up and select Set Time. Press ok.
6. Timer screen (Fig. 14)
If screen is left untouched for four seconds it will revert back to the Operating screen (Fig. 12). Just reselect the previous screen and press ok.
Figure 14
7. Operating screen (Fig. 12), move the joystick down and left and select Plate. Press ok.
8. Plate screen (Fig. 13), select Target Plate Speed.
Figure 15
b. Rotate the joystick clockwise to increase speed and counterclockwise to decrease speed. Set the Target Plate Speed to 5 rpms.
c. Move the joystick down to select OK. Press ok.
9. Operating screen (Fig. 12), move the joystick down and to the left to select Start. Press ok.
10. The lapping plate will begin to rotate.
11. Operating screen (Fig. 12), move the joystick up and select Plate. Press ok.
a. Increase Target Plate Speed (Fig. 15) in increments of no more than 10 rpms up to 70rpms.
b. Move the joystick down and select ok.
12. The test block and monitor should rotate counterclockwise. If it does not right away, it just may take a couple of minutes to adjust to the plate flatness. Then they will begin to rotate.
13. Operation screen (Fig. 12), the Actual Flatness should stay within plus or minus 5 um and the Target Flatness should stay at 0 um.
14. When 15 minutes has passed, select Stop on the Operating screen (Fig. 12) and press ok.
15. The abrasive drum and lapping plate will stop rotating.
a. Make sure the abrasive stops dripping by rotating it so the scoop inside the drum is vertical (Fig.16).
Figure 16
b. Wipe down the drip tray and turn off the drip monitor.
Figure 17
4. Carefully set the scale on the master flat and wiggle the scale back and forth to let it 'bed down' to the surface (Fig. 18).
Levers to ControlSpindle TipsMaster FlatSlacken Screw to Zero Dial
Figure 18
5. Move scale over to the test block by keeping constant pressure on the spindle tip levers (Fig. 19).
Figure 19
6. Set down gently and wiggle.
7. The scale should read the same as the Actual Flatness on the Operating screen (Fig. 12).
This document was originally written by Emily Fisher
4/28/2013