Processing Machinery
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PARA Snap-Fit Assembly
Problembeschreibung
PARA snap-fit structures break; high rigidity and low toughness; design stress exceeds the limit.
Ursachenanalyse
PARA has high strength and high rigidity but limited toughness; snap-fit deformation stress concentration; fiber orientation influence; excessive assembly force.; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
Lösung
①Snap-fit design with fillet transitions; ②Deformation amount within material allowance; ③Consider fiber orientation direction; ④Assembly force control.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
PARA snap-fit design must utilize strength and avoid brittleness; fillet and deformation control are key; orientation direction affects reliability.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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