Process Lens PL Service Manual_EN - 第53页
3 Replacing spare parts Se rv ic e Ma nu al P ro ce ss L en s PL - 0 3/ 20 25 53 ► Select the System Test tab (1) . ► Ignore the message “Please lock the flexure first” in the message window (2) under Gantry Par- allel …
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3.3.3 Checking the alignment of the encoder reader of the Y gantry
Whenever the encoder readers and/or scale bars have been removed, they need to be realigned.
Requirements
●
Machine is switched on.
●
Optical head is centered on the X position.
Checking the alignment
Fig.61: “Unit Function” tab
► Select the Unit Function tab(2) on the Diagnostic Page(1).
► Check the value differences between YL & YR under Encoder Info(3). Adjust them if necessary
(see 3.3 "Encoder" [}50])
► Click Motion Initialisation(4) to reset all NuMotion values.
Fig.62: “System Test” tab
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Service Manual Process Lens PL - 03/2025 53
► Select the System Test tab(1).
► Ignore the message “Please lock the flexure first” in the message window (2) under Gantry Par-
allel Calibration. This step is not necessary.
► Click Start(3) to continue, the calibration status will update on the message window.
► A pop-up message will show the encoder count. Adjust the encoder if the value does not fall
within 10,000-digit. See also 3.3 "Encoder" [}50].
Fig.63: Message showing encoder counts
► Click Ok, a success message will appear at the end.
Fig.64: Success message
► Click Ok and the calibration is completed.
3.3.4 Checking the alignment of the x, y and z encoder reader
Furthermore the alignment of the x, y and z readers need to be checked whenever the readers or the
scale bar has been changed.
Requirements
●
Machine is switched on.
Checking the alignment
Fig.65: Checking the alignment
► Go to the Diagnostic page.
► Click on the Unit function(1) tab.
► Go to the Gantry section(2).
► Select the X button(3) and click on Home(4).
► Select the Y button(3) and click on Home(4).
► Select the Z button(3) and click on Home(4).
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54 Service Manual Process Lens PL - 03/2025
3.4 Scale bars
3.4.1 Replacing the Y scale bars
Parts
Fig.66: Y scale bar, 2 Scale
03139293-xx Y scale assembly
03139296-xx X scale assembly
Equipment and tools
●
Allen key size 2.5
●
Spacer 2.1mm
●
Piece of paper
Requirements
●
Machine is switched off.
Removal and installation
Fig.67: Removing the screws
► Unscrew and remove the seven screws(1)
off the scale bar using a T shaped Allen
key size 2.5.
► Carefully pull out the scale bar.
► Do not damage the encoder reader. The
sensitive reader may be protected by
using a piece of paper.
► Put in the new scale bar.
CAUTION!
The surface of the scale bars
Fingerprints or scratches damage the
scale bars which then need to be ex-
changed.
Do not touch or scratch the surface of the
scale bars.
Be careful when pulling out the reader
and when putting it back again.
.