Injection Molding
11 조회수
PET recycled '2079851475616104452
문제 현상
Large fluctuations in impact strength of rPET injection molded parts
원인 분석
Recycled material has large batch-to-batch differences in IV value and varying degrees of degradation, causing mechanical properties to fluctuate accordingly; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
Test incoming material IV value and use in batches; adjust blending ratio according to IV value; toughening modification compensation; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
rPET '2079851475616104452 manages performance by IV value grading; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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