Nordson_EFD_OptiSure_Operating_Manual.pdf - 第45页

OptiSure Automated Optical Inspection 45 www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide. # Click Step Reference Image 9 • Adjust THRESHO…

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OptiSure Automated Optical Inspection
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Using the Arrow Types (continued)
# Click Step Reference Image
4
>
Click the ARROW icon.
In the Primary View screen, right-click
and select ADD NEW ARROW.
The system adds an arrow to the
screen.
5
3.
4.
5.
Repeat step 4 to add another arrow,
and then use the mouse to manipulate
the arrows so they form an array, as
shown.
- To move the entire arrow, click and
drag the middle box (item4).
- To elongate or shorten the arrow,
click and drag the arrow (item5) or
the end box (item 3).
6 Right-click on the middle box of an
arrow and then select PARAMETER.
The AOI Arrow window opens.
7 Select the ALL checkbox.
For Type, select MEA. POINT TO LINE.
8 Select LIGHT TO DARK.
Adjust PIXEL AVG to make the mark
image easier for the system to find.
Check CENTER if you want to center
the image based on the image in the
mark library.
Select the LINE radio button.
Deselect the MAX and MIN
checkboxes.
Continued on next page
Mea. Point To Line Example (continued)
To Create a Mark Image for the Desired Line Width (continued)
OptiSure Automated Optical Inspection
45www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide.
# Click Step Reference Image
9
Adjust THRESHOLD until the two small
red circles (item 6) are positioned on
the top edge of the line.
Close the dialog box to save the
settings.
6.
6.
10
A.
C.
B.
Repeat step 4 to add another arrow,
and then use the mouse to manipulate
the new arrow C such that it is in the
middle between arrows A and B, as
shown.
NOTE: This function will still work
properly if arrow C is not exactly in the
middle.
11 Right-click on the middle box of an
arrow C and then select PARAMETER.
The AOI Arrow window for Arrow C
opens.
12 For Type, select MEA. POINT TO LINE.
Continued on next page
Mea. Point To Line Example (continued)
To Create a Mark Image for the Desired Line Width (continued)
Using the Arrow Types (continued)
OptiSure Automated Optical Inspection
46 www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide.
# Click Step Reference Image
13
Select LIGHT TO DARK.
Adjust PIXEL AVG to make the mark
image easier for the system to find.
Select the POINT radio button.
For MAX, select the checkbox and
enter the maximum allowable width of
the line. The displayed AVG (average)
value is equal to the line width.
For MIN, select the checkbox and
enter the minimum allowable width of
the line.
14 Adjust THRESHOLD until the small red
circle of the middle arrow (item 7) is
positioned on the bottom edge of the
line.
Close the dialog box to save the
settings.
7.
The saved mark image is now ready to be specified in an Arrow Check
Point command to cause the system to check the width of a dispensed line
anywhere on the line. In this example, the checked width must be within
1.35–1.45 mm (as defined in step 13). If the width is greater or lower, a
warning box appears.
Continue to “To Use Arrow Check Point in a Program (Mea. Point to Line
Example)” on page47 to use the mark image.
NOTE: The system can return to the middle of a dispensed line only if the
middle of the line is within the range specified in step 3 on page43.
Using the Arrow Types (continued)
Mea. Point To Line Example (continued)
To Create a Mark Image for the Desired Line Width (continued)