YSD_Users_E.pdf - 第139页
4-11 4 Making the dispensing stable 3 Set the “PreDisp Check” parameter to “Use” . 1. Press the [Machine] button to open the VmSpec window. 2. Open the “Machine Data” – “Dot Station” screen, and set “PreDisp Ch eck” to “…
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Making the dispensing stable
3.1.1 Enabling each setting
To perform dispense correction, enable the settings for correction type, dispense check, and correction amount
check in the nozzle information. First select the board data and then make the settings.
1
Select the correction type for each head.
1. On the Setup screen, press the [Nozzle] button to open the “Nozzle Information” dialog box.
2. Select the nozzle and correction type to use.
3. Press the [Close] button to close the “Nozzle Information” dialog box.
Nozzle information
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2
Set the “Dot Checking” parameter to “Use”.
Open the [Board] - [Board] screen and set “Dot Checking” to “Use”.
”Dot Checking”
Set to "Use".
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Dot Checking Description
Use
When “Check” is set for the predispense parameter during predispensing, dot recognition is
performed based on the corresponding mark.
Not Use
Even when “Check” is set for the predispense parameter during predispensing, dot recognition is
not performed and only predispensing is done.
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Making the dispensing stable
3
Set the “PreDisp Check” parameter to “Use”.
1. Press the [Machine] button to open the VmSpec window.
2. Open the “Machine Data” – “Dot Station” screen, and set “PreDisp Check” to “Use”.
”PreDisp Check”
Set to "Use".
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PreDisp Check Description
Use
• Checks the dispensing amount after correction. The head moves 20 mm in the Y direction by
utilizing the correction amount obtained by the first predispensing and performs dispensing and
recognition (for mark check).
• Performs predispensing immediately before dot dispensing for the corresponding head.
Not Use All heads perform predispensing before starting dot dispensing.
c
CAUTION
When the correction amount check is used, the predispensing and dot recognition count increases, causing the
production cycle to become longer.
4
Reload the board data.
Press the [Board] button and then the [Select] button to reload the board data.
n
NOTE
After changing the machine data setting, the board data must be reloaded to enable the change.
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Making the dispensing stable
3.1.2 Creating the predispense parameters
In most cases, copy the predispense parameters from other board data and paste them to create the necessary
predispense parameters. Also set the information on the predispensing coordinates and correction.
1
Copy the predispense parameters.
1. Open the board data from which you want to copy the parameters.
2. Open the [Board]-[Pre Dispense] screen and press the [Assistant] button.
3. Press the [ALL] button and then the [Copy] button.
[Pre Dispense] screen
Examples of Parameters
[ALL] button [Copy] button [OwPaste] button
[Edit] button
[Assistant] button
[Pre Dispense] – [Assistant]
Mark No.
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TIP
Refer to the above values when creating the predispense parameters.
2
Paste the predispense parameters.
1. Open the board data where you want to paste the parameters.
2. Open the [Board]-[Pre Dispense] screen, place the cursor on the first row, and press the [OwPaste]
button.
3. Add, edit or delete the parameters according to the number of heads you use.
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CAUTION
When using two or more heads while “PreDisp Check” on the “Machine Data” – “Dot Station” screen in the VmSpec
window is set to “Not Use”, enter the minus offset value in the X coordinate for the head that will be used for the next
predispensing.
(Example) Head 1 “X: 0.00”, Head 2 “X: -4.00”, Head 3 “X: -8.00”