Processing Machinery
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EVA shoe sole foaming formula optimization
Problembeschreibung
After formula adjustment, product performance is unstable.
Ursachenanalyse
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
Lösung
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
Wichtigste Erkenntnis
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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