Processing Machinery
3 조회수
PC Product Drop Fracture
문제 현상
PC housings break along weld lines or sharp corners in drop tests.
원인 분석
Insufficient weld line strength or sharp-corner stress concentration; when internal stress is large, drop performance further deteriorates; the fracture path points to the root cause; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience.
해결 방법
①Keep weld lines away from the load path; ②Change sharp corners to fillets; ③Reduce internal stress; ④Verify whether the material's moisture content and molecular weight are qualified; ⑤Structurally reinforce weak parts (fillets, ribs).
핵심 요약
For PC drop failure, 'first draw the fracture path map': check where it breaks; weld lines, sharp corners, and internal stress are the three high-incidence areas, and path analysis locates the fastest; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence.
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