Processing Machinery
3 조회수
PA66 bicycle pedals
문제 현상
Bicycle pedal axle hole cracks after pedaling impact
원인 분석
The pedal is subject to repeated pedaling impact, stress concentrates at the axle hole, and fatigue and creep act together; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience
해결 방법
Metal insert at the axle hole; select impact-resistant reinforced grades; fatigue test according to bicycle standards; after adjustment, take continuous samples to verify the effect, confirm stability before resuming mass production; change only one variable at a time and record parameter changes to facilitate locating effective measures
핵심 요약
Pedal axle hole metallization plus impact-resistant grades; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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