Processing Machinery
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PMMA Medical Window
Fenómeno do problema
Medical equipment windows whiten after disinfection
Análise das causas
Repeated wiping with alcohol-based disinfectants induces stress cracking and whitening; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
Solução
Choose chemically resistant grades for medical windows; use compatible reagents in disinfection procedures; replace regularly; after adjustment, take samples continuously to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Conclusão principal
Medical windows must be material-selected according to disinfectant compatibility; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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