Molds & Tooling
4 조회수
POM mold temperature uniformity
문제 현상
The teeth of POM precision gears have inconsistent dimensions
원인 분석
Uneven mold cooling causes different crystallization shrinkage at various positions, directly impairing gear accuracy; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
Design the water channels for equal flow; control the cavity surface temperature difference within ±3°C; measure the mold surface temperature regularly; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
Mold temperature uniformity of precision parts is the foundation of dimensional accuracy; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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