Molds & Tooling
3 조회수
EVA foaming mold temperature unevenness
문제 현상
Different positions of the same mold have different foaming degrees.
원인 분석
Unreasonable design of the mold heating channels causes a temperature difference exceeding 10°C; aging of heating elements also causes local temperature deviation.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
해결 방법
①Optimize the mold heating channel design; ②adopt a high-precision temperature control system; ③regularly test the mold temperature distribution; ④replace aged heating elements.; after adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
Mold temperature uniformity is the hardware foundation of foaming consistency; regular heat distribution testing should be included in maintenance.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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