what is lost wax technique
Answers
Answer:
Lost-wax process, also called cire-perdue, method of metal casting in which a molten metal is poured into a mold that has been created by means of a wax model. Once the mold is made, the wax model is melted and drained away.
Advantages of Lost-Wax Moulding:
The process is especially advantages for high-melting-point alloys as well as for difficult-to-machine metals.
It is most suitable for producing small castings having intricate shapes.
It maintains a very close tolerance of about ± 0.05 mm.
It produces very smooth surfaces.
After closing the mold around the clay model, hot wax is poured into the gap between the model and the mold. ... This causes the wax to melt and flow out of the mold, leaving a space between the fire resistant clay model and the investment mold. This is why this method is called the lost wax process.
Answer:
Lost-wax process, also called cire-perdue, method of metal casting in which a molten metal is poured into a mold that has been created by means of a wax model. Once the mold is made, the wax model is melted and drained away.