wave solder bridges

2017/4/17 5:58:21

Hello once again! I am having a problem with a 24 pin connector bridging on the wave. We use very similar connectors on other PCB with zero problems. This connector bridges in the same place on the same pins. It forms like a little block of four pins that bridge every time. I've tried all I can think of....more flux, wave height, lead clearance, conveyor speed...and the list goes on. I am very puzzled. It is mostly SMT with only a few through hole parts. The rest of the board is good and other than the 4 pins that bridge the rest of the connector is good. I need help.
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Paolo Sanna

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