Material Drying
5 görüntüleme
Precision Applications of LCP's Low Moisture Absorption and Dimensional Stability
Sorun Belirtisi
【Problem Phenomenon】Precision connectors exceed dimensional drift limits after use in hot and humid environments; after switching to LCP, process matching needs to be confirmed
Neden Analizi
LCP has extremely low moisture absorption and very small dimensional change with humidity, and combined with low shrinkage it suits precision electronic parts; but orientation shrinkage differences still affect the bidirectional consistency of precision dimensions; both Fictiv and MEMS literature emphasize the low moisture absorption characteristic
Çözüm
After selecting LCP for precision parts, focus on controlling orientation shrinkage differences: symmetric gate arrangement and uniform mold temperature; design mold compensation according to actually measured directional shrinkage; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
LCP's low moisture absorption ensures dimensional stability; the success or failure of precision parts lies in orientation shrinkage compensation; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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