In ANSI Valve Body casting, the following will focus on the investment casting precision, the specific explanation is as follows.
Investment casting, which was developed on the basis of ancient wax mold casting, is also a casting process. In the exact case, it is a casting process with less cutting or no cutting. Its application, for the time being, is very extensive and can be used for casting of various types and various alloys.
By adopting the method of investment casting precision casting, the obtained casting has a much higher surface finish than the general casting, and the specific value can reach Ra. 1.6-3.2 um. Moreover, the dimensional accuracy of the casting is also very good. If it is necessary to carry out subsequent machining, then only a small amount of machining allowance is needed, and even a simple treatment is required, so it is very convenient and can save a lot of money. Time and materials, and get good processing results.
