Processing Machinery
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PSU Long-term Thermal Aging
Fenómeno do problema
PSU products degrade in performance after long-term high-temperature use; strength declines and color changes; life assessment is insufficient.
Análise das causas
PSU long-term use temperature range is limited; thermo-oxidative aging accumulates; actual operating temperature exceeds expectations; processing heat history consumes life reserve.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based solely on experience
Solução
①Select materials according to long-term temperature rating; ②Control processing heat history; ③Extrapolate life from accelerated aging data; ④Track service performance.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusão principal
PSU thermal aging management starts with material selection margin; heat history is irreversible consumption; data tracking supports life management.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence
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