Molds & Tooling
5 görüntüleme
PETG product fatigue fracture
Sorun Belirtisi
Fatigue cracks appear under repeated bending or vibration loads and propagate to fracture.
Neden Analizi
Stress concentration points initiate fatigue cracks, internal stress in the product accelerates fatigue, and the material fatigue strength is insufficient.
Çözüm
Improve the design to reduce stress concentration; increase mold temperature to reduce internal stress; toughening modification if necessary.
Temel Çıkarım
PETG fatigue performance is closely related to internal stress and design.
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