Processing Machinery
2 görüntüleme
PA66 thermal oxidative aging
Sorun Belirtisi
PA66 parts in the engine compartment have surface cracking after five years
Neden Analizi
Long-term high-temperature oxidation breaks surface molecular chains, and aging accelerates after heat stabilizers are exhausted; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience
Çözüm
Select heat-stabilized system grades for engine compartment parts; verify according to vehicle thermal aging standards; periodically replace safety parts; after adjustment, take continuous samples to verify the effect, confirm stability before resuming mass production
Temel Çıkarım
Thermal aging life is guaranteed by stabilization system and verification; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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