Molds & Tooling
8 görüntüleme
Skewed deformation of PET bottle mouths
Sorun Belirtisi
The thread area of the PET bottle mouth is skewed and elliptically deformed, causing poor sealing and difficult cap screwing.
Neden Analizi
Insufficient cooling of the preform mouth; deformation due to excessive temperature during demolding; unreasonable cooling water channel design at the bottle mouth; uneven demolding force.
Çözüm
Strengthen bottle mouth cooling, increasing cooling time by 0.5-1s; optimize bottle mouth water channels; adjust demolding parameters to ensure balanced ejection.
Temel Çıkarım
PET bottle mouth precision directly affects sealing; mouth cooling and demolding are key.
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