Molding Process
12 görüntüleme
POM spray pump valve parts
Sorun Belirtisi
The fitting accuracy of internal POM parts of the spray pump decreases, the spray volume is inaccurate, and the spring seat breaks
Neden Analizi
Pump valve parts require dimensional precision and chemical resistance; long-term contact with the content solvent superimposed with cyclic load initiates cracks at stress concentration points; dimensional drift changes the fitting clearance
Çözüm
①Perform immersion verification of content compatibility; ②round and strengthen load-bearing parts such as spring seats; ③accept dimensions in the stabilized state after annealing; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
POM pump valve parts are a combined test of precision plus chemical resistance; compatibility verification and structural reinforcement go in parallel, and dimensional acceptance looks at the stabilized state; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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