Varian Ion Implant Systems Inc, Gloucester, Massachusetts, experienced vacuum failures in its particle accelerator assembly. An engineer with the organisation, found that the vacuum O-ring was inadvertently scratched during assembly. To solve this problem, he installed alignment pins into components with O-ring sealing surfaces, and additional pins to prevent damage to the sealing surface when a component rests on a bench during assembly or service. Poka-yoke ideas made it impossible to incorrec...

BPIR Categories

14.3.2 Implement an improvement approach/method/technique
5.5.3 Improve process/product performance

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