Defect: Too big or no/minus gap between lid and cup body | Stainless steel bottle
Cause: 1)Cap mold is bigger / Smaller; 2)Tool of neck, thread rolling, mouth welding.. is bigger or smaller or aged which will make the screw thread neck longer or shorter.
Solution: 1)Every product with function must be full reviewed & applied before mass production. 2)Make an inspection tool checking neck height for every piece of stainless steel bottle body.
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Rework difficulty: * * * * *
Rework collateral risk: * * * *
