Processing Machinery
3 조회수
PMMA continuous load
문제 현상
PMMA structural parts creep and fracture after long-term loading
원인 분석
PMMA has limited continuous load capacity, and creep accumulates under long-term stress; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
해결 방법
Design structural load-bearing parts according to creep data; keep long-term load below 20% of strength; change material if necessary; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
PMMA long-term load bearing must be designed according to creep limits; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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