Water glass casting furnace bar

I. What is called investment casting (lost wax casting)?

The investment mold precision casting process, also known as lost wax casting, includes pressing wax, trimming wax, group tree, dipping slurry, melting wax, casting metal liquid and post-treatment. Lost wax casting is a wax mold made of wax, which is subsequently coated with sand slurry, which is a clay mold. After drying, the internal wax mold is melted in boiling water. The clay mold of the molten wax mold is removed and then baked into an earthenware mold. Once baked. Generally, when making a clay mold, a pouring opening is left and the molten metal is then poured through the opening. After refrigeration, the desired part is made.

II. What are the advantages of investment casting technology?

1. Generally high dimensional accuracy of investment casting can be achieved. CT4-6 (CT10~13 for sand casting and CT5~7 for die casting)

2. When suppressing the molten die, choose the cavity surface smoothness of the die, so the molten die surface smoothness is also high

3. Because the molten die casting has strong dimensional accuracy and surface smoothness, it can reduce the machining work, only a small amount of machining allowance is left on the part

4. Can forge a variety of complex alloy castings, especially heat-resistant alloy castings. Such as jet engine blades