Processing Machinery
3 조회수
PA6 Office Chair Caster
문제 현상
The PA6 caster of the office chair cracks at the wheel axle under heavy load
원인 분석
The caster bears the seat load and rolling impact for a long time, the wheel axle hole wall undergoes compression creep, and stress concentration at the thin wall causes cracking; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
Strengthen the wall thickness at the wheel axle and add a metal bushing; select reinforced grades; conduct rolling durability tests according to standards such as BIFMA; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
핵심 요약
Casters undergo rolling durability tests according to furniture standards, and axle hole metallization is a reliable solution; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
이 정보가 도움이 되었나요?
0 명이 도움이 되었다고 합니다
의견 주셔서 감사합니다!