Processing Machinery
3 조회수
PMMA Recycled Material Sheet Quality Fluctuation
문제 현상
Under the same process, different sheet batches show large differences in processing performance, with fluctuating bubble and crack occurrence rates.
원인 분석
Recycled material has complex sources and inconsistent quality; even different positions of the same sheet batch may have different properties; extruded and cast sheets also respond differently to heat.; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based on experience alone.
해결 방법
①Prioritize virgin-material cast sheets; ②establish incoming material quality inspection; ③adjust and verify process batch by batch; ④prohibit recycled material for critical products.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
핵심 요약
Sheet quality consistency is the prerequisite for processing stability; the economy of recycled material must be comprehensively weighed against scrap risk.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.
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