Processing Machinery
3 조회수
PESU Impact Resistance
문제 현상
PESU unnotched impact does not break, but notch sensitivity requires attention in design.
원인 분석
PESU has excellent toughness, unnotched impact does not break; but notch sensitive; design avoids sharp corners; uniform wall thickness; stress concentration.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
해결 방법
①Design rounded corner transitions; ②uniform wall thickness; ③avoid notches; ④stress analysis.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record the parameter changes, to facilitate identifying effective measures
핵심 요약
PESU toughness and notch sensitivity coexist; design is the prerequisite for exploiting the advantage; analysis prevents failure.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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