Injection Molding
3 Aufrufe
Flow marks/water wave marks on product surface
Problembeschreibung
Concentric circular or arc-shaped ripples appear on the surface, spreading like water waves, with irregular distribution
Ursachenanalyse
The melt flow front temperature is too low, causing repeated solidification and re-melting; the injection speed curve fluctuates; mold temperature is too low
Lösung
Increase melt temperature by 5-15°C and mold temperature; use a slow-fast-slow three-stage injection speed curve; enlarge gate size
Wichtigste Erkenntnis
Flow marks reflect the unstable state of melt front filling
War das hilfreich?
0 Personen fanden dies hilfreich
Vielen Dank für Ihr Feedback!