Injection Molding
8 görüntüleme
Excessive PPO Injection Cycle Optimization
Sorun Belirtisi
After excessively shortening the cycle to improve efficiency, PPO shows unstable filling and quality fluctuation, and the optimization instead reduces the yield rate.
Neden Analizi
Although PPO requires holding pressure and cooling not to be too long, excessive cycle compression causes insufficient plasticization and mold temperature imbalance; high-viscosity materials are sensitive to rhythm; equipment response capability cannot keep up with the settings.
Çözüm
①Advance cycle optimization step by step and verify quality at each step; ②ensure sufficient plasticizing time; ③stabilize mold temperature before increasing speed; ④balance cycle and yield rate.; After adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Temel Çıkarım
PPO cycle optimization has bottom-line constraints; quality stability takes priority over efficiency numbers; equipment capability is the physical boundary of the cycle.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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