Processing Machinery
3 Aufrufe
EVA Shoe Sole Hardness Deviation
Problembeschreibung
The hardness of shoe soles varies greatly between batches in testing.
Ursachenanalyse
Fluctuations in foaming ratio and crosslinking degree directly change the hardness; raw material batch differences are also transmitted.; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Lösung
①Stabilize the foaming and crosslinking processes; ②test raw material batches; ③test hardness by batch; ④fix the process parameters.; After adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Wichtigste Erkenntnis
Hardness is a comprehensive indicator of foaming process stability; batch management is the key to control.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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