Processing Machinery
3 조회수
PARA Snap-Fit Assembly
문제 현상
PARA snap-fit structures break; high rigidity and low toughness; design stress exceeds the limit.
원인 분석
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
해결 방법
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
핵심 요약
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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