Injection Molding
8 visualizaciones
PETG '2079851475616104452 jetting marks near the gate
Fenómeno del problema
Snakeskin-like or twisted jetting flow marks appear near the gate of PETG injection molded products.
Análisis de la causa
Gate size too small, the melt enters the cavity in a jet, injection speed too fast, melt temperature low.
Solución
Increase the gate size; reduce injection speed using multi-stage injection; appropriately increase the melt temperature.
Conclusión clave
PETG jetting marks are a manifestation of unstable filling flow.
¿Le ha resultado útil?
0 personas encontraron esto útil
¡Gracias por sus comentarios!