Injection Molding
12 görüntüleme
Failure of PBT Injection-Molded Parts Under Dynamic Fatigue
Sorun Belirtisi
PBT products undergo fatigue fracture under cyclic loading.
Neden Analizi
Stress concentration points initiate fatigue cracks; internal stress and notch sensitivity accelerate fatigue failure; the design stress-strain level is too high.
Çözüm
Optimize the product design to reduce stress concentration; fully anneal to reduce internal stress; increase the safety factor.
Temel Çıkarım
PBT fatigue performance is a key consideration for electrical switches and structural parts.
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