N7201A652E.pdf - 第359页
NPM- TT2 EJM1EE-MB-04 O-03 4-2-10 -2 Ｓｅｔｔｉｎｇ change 1 2 Set a PCB on the PCB entrance + (The PCB is loaded onto the mount stage, and the recognition camera moves to the bad mark positio n) Descr ibes how to check mark re…
NPM-TT2 EJM1EE-MB-04O-03
Produc-
tion data
teaching
Bad mark recognition
teach 1
4-2-10-1
Operating procedure
4-2-10
Inputting the PCB data
Inputting the pattern attribute data
Starting the teaching
Choosing the bad mark
Setting the lamp values
Setting the area and threshold
Recognition
Saving data
To enable the bad mark recognition process, you need to turn ON the corresponding soft
switch.
Input the bad mark
position (coordinates).
Input the bad pattern
mark position
Created on
NPM-DGS.
Recognition Test
Teaching is complete.
When partial defect occurs in the produced PCB in the middle of the process, if a bad
mark is put on it, you can skip placement on that pattern.
Teaching Flow
NPM-TT2 EJM1EE-MB-04O-03
4-2-10-2
Ｓｅｔｔｉｎｇ
change
1
2
Set a PCB on the PCB entrance
+
(The PCB is loaded onto the mount
stage, and the recognition camera
moves to the bad mark position)
Describes how to check mark recognition when a bad mark exists on the PCB.
2
3
3
4
4
When the bad
mark is white
White
Black
●Select the mark type.
When the bad
mark is black
NPM-TT2 EJM1EE-MB-04O-03
Produc-
tion data
teaching
Bad mark recognition
teach 2
4-2-10-3
Operating procedure
4-2-10
5
5
5
6
■When the position and the size of
recognition area are changed.
7
■When the threshold value being
recognized, screen switch or mark
type are changed.
6
8
7
+
8
After change
（Recognition is performed）
■If the bad mark is not located
near the center
●Align the cross line center to the
bad mark center.
+
●Adjust the brightness to obtain the
bad mark.
(→P.4-2-1 ‘How to adjust the lamp
value’)