Investment mold precision casting impeller

Compared with the traditional casting process, precision casting is a casting method. The shape is relatively accurate and the casting precision is strong. It is more common to first make the required blank (which can leave exceptionally small or no capacity) of electrical grade, and then use the grade to etch the mold to actually generate the inner cavity. The initial wax mold is obtained by casting the wax and then changing the casting method. Brush heat resistant liquid sand on the wax mold in layers. After getting enough thickness to dry, then heat to melt the internal wax mold to get a cavity in line with the desired blank. Steel is poured into the cavity, and after drying and solidifying, the shell is peeled off to obtain the finished product for precision machinery manufacturing.

Lost wax casting is now called sand casting precision casting, investment casting process is a kind of technology in the field of casting, is a kind of less cutting or cutting-free casting process, widely used. Investment casting parts it is not only suitable for various types and alloys of casting, and than other casting methods have higher dimensional accuracy and surface quality, even other casting methods are difficult to cast complex, heat-resistant, difficult to process castings.