How do I handle large and fine pitch chips?

1. Make sure the PCB is fixed by the corner of the machine. Please also try to make sure the Jedec

tray parallel to the PCB if possible.

2. Use a suitable nozzle, for example, we use CN750 to handle TQFP100.

3. Lower the speed (to 40% for example)

4. You need to do a rough place test and check the offset.

Then adjust the coordinate according to the actual placement effect, if it's off in the X direction

by +0.1mm every time, then you can adjust the X value -0.1 to compensate.