Processing Machinery
3 조회수
PA6 and PP Selection Cost
문제 현상
To reduce cost, PP replaces PA6 structural parts, and high-temperature deformation occurs after installation on the vehicle
원인 분석
PP's continuous use temperature and rigidity are far lower than glass-fiber reinforced PA6; in high-temperature occasions such as the engine compartment, PP softens and creeps, and the low price brings performance downgrade; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
Insist on reinforced PA6 for high-temperature load-bearing parts; PP is suitable for normal-temperature low-load interiors and containers; for cost reduction, prioritize PA6-PP composite structures or partial replacement
핵심 요약
Material substitution must be evaluated by temperature and load boundaries, and cannot only compare unit prices; 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
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