Injection Molding
7 görüntüleme
PBAT '2079851475616104452 insufficient filling
Sorun Belirtisi
Short shot occurs in thin-wall or long-flow-path parts of PBAT '2079851475616104452, due to insufficient flowability or improper process parameters.
Neden Analizi
PBAT melt viscosity is relatively high; injection pressure and speed insufficient; barrel temperature low; mold temperature low and the melt front freezes; gate and runner dimensions small.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Çözüm
①Increase injection pressure and speed; ②appropriately increase barrel temperature; ③increase mold temperature; ④enlarge gate and runner dimensions; ⑤select a flowability grade.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
Temperature, pressure and speed are the routine adjustments for PBAT '2079851475616104452 short shot; gate design is the structural guarantee; grade selection matches the application.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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