Filling Pattern

It is difficult to make direct observation of fluid flow inside molds, because the molds and molten metal are opaque, the temperatures are high, and the conditions are highly transient. Fluid flow simulation usually is the most economical and practical way to get information about what is going on inside a mold during filling.

 

It is important that mold fills quickly, but turbulence flow needs to be avoided. These pictures show the improved pattern of gating system and indicate all cavities are filled at the same time because the appropriate of choke and gating system can get easily through fluid flow simulation.

         

SUTCAST mold filling helps designer to:
  • Vent design (size, number, position) 
  • Predicting turbulence spot
  • Dead zone
  • Incomplete filling (Misrun)
  • Checking out the gating system
  • Locating gate
  • Fraction affect
  • The location of dross, oxides while entrapped in mold

It is often the only feasible way. It can give information about the velocity and pressure distributions within the molten metal which cannot be obtained by direct observation. The quality of a casting is affected by the pattern of mold filling. Filling pattern describes as the progression of molten metal filling the mold cavity geometry as a function of time. Knowledge of the anticipated filling patterns in Mold is important for designers