Processing Machinery
7 조회수
EVA shoe sole foaming formula optimization
문제 현상
After formula adjustment, product performance is unstable.
원인 분석
In the foaming system, the foaming agent, crosslinking agent, and filler affect each other; adjusting a single item affects the whole.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
해결 방법
①Systematically design formula experiments; ②optimize with the DOE method; ③scale up after small-scale test verification; ④establish a formula database.; after adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
The foaming formula is a system engineering; the DOE method can efficiently find the optimal combination.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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