Processing Machinery
3 조회수
PP Heat Resistance Grade
문제 현상
【Problem Phenomenon】PP parts serve at high temperature for a long time, temperature resistance selection is in doubt
원인 분석
PP long-term use is about 100°C, short-term 150°C; glass fiber reinforcement and heat-resistant grades improve it; for over-temperature select PA/PPS; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
해결 방법
Select PP within long-term 100°C; short-term 150°C can be withstood; switch to PA/PPS for over-temperature; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
PP long-term 100°C, short-term 150°C, switch to high-temperature material for over-temperature; 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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