Extrusion & Post
12 görüntüleme
POM Coating Adhesion
Sorun Belirtisi
Extremely poor adhesion after painting POM parts
Neden Analizi
POM has low surface energy and dense crystallinity, making conventional pretreatment difficult to activate; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
Çözüm
Select special primer; special surface treatment (sandblasting/primer coating); change material when appearance requirements are high; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
POM coating is inherently difficult—choose carefully for important appearance parts; 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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