The Lost Wax Process can be used for Precision Ivestment Casting in almost any metal, including Iron, Steel Casting, Copper or Aluminium Alloys and Aluminium.
The process is almost Identical for each Metal Specification.
The main benefits of Lost Wax Castings is that they can be made with closer dimensional tolerances than Sand Casting techniques and will give exact repeatability for each casting.
1) Construct a Tool or Die in which Wax will be injected.This Tool can be used for many thousands of castings.
2) The waxes are then assembled onto a Runner or Downsprue
3) The assembly is now dipped into a Ceramic Slurry
4) Sprinkle grains of aRefractory Material onto the assembly. The assembly is dried prior to repeating 3 & 4 enough times until you have a thickness of shell to hold the molten metal.
5) The assembly must be completely dryprior to inverting it and placing into a Steam Autoclave to remove the wax.
6) The hollow assembly or Mould is placed in a Firing Oven to both cure the ceramic and to preheat the mould.
7) Molten Steel, Iron, Copper Alloy or Aluminium is poured into the mould
8) The assembly is now vibrated to break down the ceramic.
9) After cutting the castings off, they can be ground where required
10) Inspect the Lost Wax Castings prior to despatch for quality purposes.Different applications will require varying levels of quality and precision.