Category Archives: SMT Machines MRO

Possible defects in SMT Assembly: Defect Opportunities

ASM Siplace Siemens X4 SMT Assembly Machine

1. Component opportunities (OC) All parts that need to be assembled on board (incl. PCB) Every part counts for one defect opportunity Defect example: damaged parts Component defects: Base material damage Bent lead Birdcaged wire Blisters, mealing, peeling Board warped or bowed Cable made wrong Circuitry damaged Connector damaged Gold not removed Improper stress relief […]