Nordson_EFD_OptiSure_Operating_Manual.pdf - 第30页

OptiSure Automated Optical Inspection 30 www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide. Using the Arr ow T ypes (continued) Positional …

OptiSure Automated Optical Inspection

29www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide.

Using the Arrow Types (continued)

# Click Step Reference Image

• Jog the camera to center the

crosshairs over one of the circles.

• Click SET MARK, then drag to position

the red box around a circle.

• Click a socket in the Mark Library to

save the mark, then click TEMPLATE

when the Template Match window

appears.

The system saves the image in the

Mark Library (no. 81 in this example).

• Click the ARROW icon.

6 • In the Primary View screen, right-click

and select ADD NEW ARROW.

The system adds an arrow to the

screen.

Continued on next page

Positional Checking Example (continued)

To Create a Circle Center Mark Image (continued)

OptiSure Automated Optical Inspection

30 www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide.

Using the Arrow Types (continued)

Positional Checking Example (continued)

To Create a Circle Center Mark Image (continued)

# Click Step Reference Image

• Drag the triangle of the arrow (item 3)

close to the center of the circle.

• Drag the upper box of the arrow

(item1) such that the middle box

(item 2) is located on the outer

circumference of the circle.

NOTES:

- To move the entire arrow, click and

drag the middle box (item 2).

- To elongate or shorten the arrow,

click and drag the triangle (item 3) or

the upper box (item 1).

• Right-click on a box on the

arrow (item4) and select CIRCLE

DUPLICATE.

The Arrow Circle Duplicate window

opens.

9 • Enter 5 for the number of arrows

around the circle.

• Select the SNAP ARROW TO CENTER

checkbox (checked by default).

• Select the REMOVE THE PREVIOUS

ARROW checkbox (checked by

default).

10 • Click OK.

Five arrows appear on the image.

11 • Right-click on any middle box of an

arrow and then select PARAMETER.

The AOI Arrow window opens.

Continued on next page

OptiSure Automated Optical Inspection

31www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide.

# Click Step Reference Image

• Select the ALL checkbox (to cause the

system to enter the same settings for

all arrows).

• For Type, select CIRCLE CENTER.

• Select LIGHT TO DARK.

• Set PIXEL AVG to 3.

• Adjust THRESHOLD until the

circumference measurement appears

and is stable.

NOTES:

- Alternatively, you can use the Image

Threshold feature by right-clicking

in the Primary View screen and

selecting Image Threshold. Refer

to “Using Image Threshold” on

page13 for details.

- CENTER is not used in this example.

- MAX and MIN are not used in this

example but can be selected and

added if desired.

13 • Close the dialog box to save the

settings.

The system adds the circle diameter

and its value (item 4) to the mark

image of the circle and displays the

measurement at the bottom of the

Primary View screen (item 5).

The saved mark image now contains

additional data that will allow the

system to accurately ﬁnd it upon

reaching its corresponding Find Mark

or Arrow Check Point command in a

program.

• Continue to “To Use Positional

Checking in a Program” on page32.

Using the Arrow Types (continued)

Positional Checking Example (continued)

To Create a Circle Center Mark Image (continued)