Processing Machinery
4 görüntüleme
Performance Decay of LCP After Long-Term Thermal Aging
Sorun Belirtisi
【Problem Phenomenon】LCP products become brittle after long-term high-temperature service, and service life needs to be evaluated
Neden Analizi
Long-term thermo-oxidative aging slowly degrades LCP molecular chains, and mechanical properties gradually decay; high-temperature applications must be evaluated according to temperature-time curves; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience
Çözüm
Extrapolate service life according to the resin supplier's thermal aging curve; regularly sample-test key parts; design safety factors to cover performance decay margin; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
LCP's long-term heat resistance has an upper limit; design life margin according to the aging curve; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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