Investment casting processing steps as follow :
1,Make the pattern - The wax patterns is injected into a metal mould then fashioned jointly piece. many of those patterns ar connected to a central wax gating system, referred to as wax pattern tree , Then swaybacked
2,Pouring - melted metal is poured from gating system of the mould, filling the mould cavity.
3,Cooling - The casting cooling time depends on the the structure of the elements and therefore the totally different material .
4,Remove casting shell – the shell ought to be broken and therefore the casting removed..
5,Finishing - grinding or sandblasting