YSP20_Users_E.pdf - 第219页
7-15 7 ther functions 0 Decide on the pattern size. By using the cursor selection buttons and arr ow buttons, adjust the window size and position to enclose the entire pattern. The function of each button is as follows…
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6
Set the board on the conveyor and clamp it.
To clamp the board, press the [Convey In] button and follow the message that appears.
When setting pattern data on a mask, clamp the mask on the printing table.
7
Move the camera so the pattern is shown in the center of the vision monitor.
Use the [Axis] button on the Mark Adjust screen to move the conveyor unit. When positioned, press the
[OK] button to return to the Mark Adjust screen.
8
Adjust the light levels.
Press the [Mark Light] button to open the light level adjustment screen, and adjust the light level in each
lighting zone so that the pattern can be most clearly viewed on the vision monitor.
Light level adjustment
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Refer to step 6 in "7.5 Mark Adjust mode" of Chapter 5 for a general guide to find optimum light levels.
9
Press the [Pattern] button.
The Pattern registration screen appears as shown below.
Pattern registration screen
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0
Decide on the pattern size.
By using the cursor selection buttons and arrow buttons, adjust the window size and position to enclose
the entire pattern. The function of each button is as follows.
The window can be enlarged or reduced with the arrow keys, using the lower right corner of the
window as a start point.
The window can be enlarged or reduced with the arrow keys, using the upper left corner of the
window as a start point.
The entire window moves with the arrow keys.
Press this button when you want to shift the reference position from the center of the window. (The
reference position is displayed as a pink cross cursor.)
Press these buttons to switch the distance that the window moves each time you press an arrow
button.
Window size adjustment and movement
Pattern
Enclose the pattern.
Stationary
point
Entire window moves
[End] button [Start] button [Move] button
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When you place the mouse pointer in the teach window or on the teach window frame, the mouse pointer changes
to a four-way pointer or two-way pointer, allowing you to adjust the window position and size by dragging the mouse.
q
Set the reference position in the pattern.
If the reference position in the pattern is shifted from the center of the pattern, press the [Center Offset]
button, and drag and move the cross cursor (pink) to the center of the pattern.
w
Save the pattern data as a template.
Check that the center of the pattern is at the center of the window and then press the [Save Pattern]
button.
e
Check the pattern image.
Pressing the [Draw Pattern] button displays the pattern image that has been obtained, so check the
shape.
r
Return to the Mark Adjust screen.
Press the [Close] button to return to the Mark Adjust screen.
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t
Perform the vision test.
Press the [Test] button and check to see if the pattern is correctly recognized. Repeat this test several
times. When no error occurs, the pattern data is appropriate.
If an error occurs, check whether "Search Area" on the [Vision] tab is appropriate. If the search area is
too large so that other marks are located within the search area, then reduce the search area.
Conversely, if the search area is too small, then enlarge the search area.
Search area adjustment
Search area
Search area is too large, so
other marks are recognized.
Reduce the search area
Search area is too small,
so the target pattern is not
inside the search area.
Enlarge the search area.
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Press the [OK] button to save the data.
The Mark Adjust screen closes and returns to the Mark screen.
2.2 Using the pattern matching
Pattern matching can be used in the same way as the fiducial marks. In this case, specify the pattern mark No.
in the data list on the [Print]-[Board] tab or [Print]-[Mask] tab. (The figure below shows an example when using
pattern matching as board fiducial marks.
Example of using pattern matching
Specify the mark No. registered as pattern.
[Lane] button
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