Processing Machinery
3 조회수
PPSU impact resistance
문제 현상
PPSU excellent impact resistance, but notch sensitivity design attention.
원인 분석
PPSU excellent toughness; 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 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 parameter changes to facilitate locating effective measures
핵심 요약
PPSU toughness and notch sensitivity coexist; design is the prerequisite for exerting advantages; analysis prevents failure.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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