4. Dispensing Solder Paste
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Before starting, ensure you have completed the previous section, and have assembled and primed the solder paste dispenser
Like you did previously:
Clamp the board
Mount the probe
To dispense solder paste, the V-One first needs to know the orientation of the board. To do this, you will need to help the V-One locate the designated pads:
Click the MOVE TO PAD button to start the pad location process.
Use the arrow keys to move the printer to the approximate location of the pad that is highlighted in the print preview. You do not need to align it perfectly just yet.
Click LOWER to drop the probe to the surface of the board.
Use the arrow keys to once again adjust the position of the probe. This time, position the probe in the center of the highlighted pad
Click MEASURE to confirm the pad location.
Repeat steps 1-5 for the second highlighted pad.
Take your time! If the alignment is off, the solder paste will not print in the right spot.
After locating the pads, the V-One now has a pretty good idea of where the board is located.
Before we get to printing the solder paste, use this step to make sure that the pad alignment is accurate.
Click on any pads in the print preview, and the printer will go to the center of the pad. If you notice that the position is off, press the BACK button and repeat the Locate Pad steps.
Dispense solder paste on a few small pads close to the edge – we recommend using the orange pads selected above.
Click START to begin printing. Adjust the solder paste flow using + and - until the pads are completely covered, but not overflowing.
If there is too much paste, wipe the solder off of the selected pads and decrease the flow.
When you are happy with the amount of solder paste, select the remaining pads and press print!
This completes the solder paste dispensing feature. Let’s move along to the next article and discover the V-One’s reflow capabilities!
