Processing Machinery
4 조회수
EVA Shoe Sole Hardness Deviation
문제 현상
The hardness of shoe soles varies greatly between batches in testing.
원인 분석
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
해결 방법
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
핵심 요약
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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