Guide / Investment Casting

Investment Casting Process

High-precision metal casting using sacrificial wax patterns

Process Parameters

StepParameterValue
Wax InjectionTemp/Pressure55-70C, 5-15 bar
Shell BuildingLayers5-8 layers (3 coarse, 2 seal)
DewaxingAutoclave160-180C, 6-8 bar
FiringTemp900-1100C
PouringMetal/Mold temp1550-1650C / 800-1050C

Tolerances

Linear: +-0.5% of dimension. Min feature: 0.5mm. Surface finish: Ra 1.6-6.3.