Production & Quality
4 görüntüleme
PTFE Compression Molding Discoloration and Dents
Sorun Belirtisi
The surface of PTFE products discolors accompanied by dents, local color turns yellow and gray, and the density of the dented area is uneven.
Neden Analizi
High content of low-molecular component impurities in the resin; foreign impurities entrained during operation; uneven feeding causing inconsistent compactness; unbalanced pressure distribution with single-side pressing; insufficient holding pressure time.
Çözüm
①Select resin with few impurities and prevent entrainment during operation; ②Feed uniformly and level off to ensure consistent compactness; ③Adopt two-side pressing; ④Appropriately extend the holding pressure time.
Temel Çıkarım
Tracing PTFE discoloration and dents must consider both raw material purity and pressing method; double-side pressing is the structural guarantee of uniformity; operational cleanliness is detail management.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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