M20_Ope_E - 第489页
Chapter 16 Dispenser 16-19 16-3-1-4 Image Library (image data) setting Menu: Dispense data>Dispense Library - Dispense Check>Image Library Action: ① Double-click the [Image Code] cell in the Dispense Library - Disp…
Chapter 16 Dispenser
16-18
Item Contents
Recommended
value
Discharge Press. Change
At dispense corrections, the correction value is set as the ratio
when the dispense amount (hemisphere volume) is set as "1".
0.050 to 0.100
PCB Wait Time Until
Checking [Sec.]
If the PCB loading wait time exceeds the set value, the
dispense check is performed before the PCB count reaches the
value set in [Check Interval].
When the stop time becomes long if a component shortage or
trouble occurs in the pre-process or post-process equipment,
the dispense check is performed to make the dispense amount
stable.
0(sec)
Image Code
Select an image code of the Image Library (image data) for the
image process, and then enter it.
Additionally, double-clicking this cell will jump to the Image
Library (image data).
―
Line Check Pitch [mm]
Specify a pitch between line dispense check points.
Point No. 1 becomes the pitch from the start point.
4.000(mm)
Line Check Points Specify the number of points for the line dispense check. 4 (points)
Chapter 16 Dispenser
16-19
16-3-1-4 Image Library (image data) setting
Menu: Dispense data>Dispense Library - Dispense Check>Image Library
Action:
① Double-click the [Image Code] cell in the Dispense Library - Dispense Check window to display the
Image Library (image data) window.
② In this window, you can set the Image Library (image data) parameters.
Item Unit Contents Recommended value
Image Type ―
Specify a dispense image type.
Select dispense points and background type.
Two-dot Dark
(Background Bright)
Image Code ―
Enter an image code.
This image code will link with the image code in the
Dispense Library - Dispense Check window.
―
Comment ― Enter a comment. ―
Target Diameter mm
Enter a target dot dispense diameter (dispense diameter
to be adjusted in the adjustment of the dispense check).
Normally, the dispense diameter is larger than the outer
diameter of the nozzle.
Nozzle outer
diameter or more
Overall Search X mm
Input an area X where the dispense point is searched
for.
Target Diameter + 1
mm + dispense point
X offset pitch
(1.5mm)
Overall Search Y mm
Input an area Y where the dispense point is searched
for.
Target Diameter
＋
1
mm
Brightness ―
Enter a brightness used to recognize the dispense
material that has been dispensed.
(0 to 255)/2 ＝ 128 (Default value)
128
Chapter 16 Dispenser
16-20
Item Unit Contents Recommended value
Expected width mm
Enter a desired line dispense width (line dispense
width to be adjusted in the adjustment of the dispense
check).
Normally, the line dispense width is larger than the
outer diameter of the nozzle.
Outer diameter of
nozzle or more
Width Perm %
A permissible value of the line dispense width, the
image process of which is determined as OK.
This value is expressed by ±% value based on the
expected width.
20%
Gain ― Teach camera gain 150
Offset ― Teach camera offset 200
Teach Camera Light
Inside Light
― Teach camera light, inside light 8
Teach Camera Light
Outside Light
― Teach camera light, outside light 0
Note: It is recommended to use only [Inside Light] of the teach camera light.
If [Outside Light] is used, the edge of the dispense material that has been dispensed may be blurred.
Note: Move the teach camera to the dispense point on the dot station to perform the image test.
Make sure that the square frame of the image test result is in contact with the edges of the dispense
material that has been dispensed.
The long side of the square frame of this image test result becomes the maximum diameter of the
dispense diameter while the short side becomes the minimum diameter of the dispense diameter.
If the square frame of the image test result is not in contact with the dispense material that has been
dispensed, adjust the light.
Dispense status on the dot station when dispensed with the recommended values entered.
Dispense offset pitch
1.500 (mm)
1 image process block
5th shot 32nd shot
Pre-dispense