classification of casting process

Introduction to Special Casting Process Sand castings are being used to cast both ferrous and nonferrous metals, but they are only used once because the mould is broken when the metal becomes solidified. So, the cost of production will go up as a result. Sand castings, too, are unable to sustain resistance and a smooth finish. The following casting methods can be used to satisfy these requirements: Now a day’s special Casting process has been developed to effect to save time and expense while producing better quality casts. In comparison to sand casting, the main difference is, these processes do