Poor quality analysis of common pogo pins

　　1. The pressing needle is not stuck properly

　　Bad causes:

　　a) Poor shrinkage of riveted finished products. b) The inside of the needle hole is rough. c) Multiple springs

　　2. Poor spring shortage

　　Poor structural design

　　3. Pogo momentary failure

　　Poor needle/needle contact, too large clearance

　　4. Pogo pin thermal failure

　　wrong spring structure, design problem

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