Polyurethane quantitative filling machine Sep 04, 2017 Foundry is one of the basic technology of modern machinery manufacturing industry. As a kind of metal thermal processing technology, foundry has matured gradually in our country. Foundry Machinery is the use of this technology to melt metal into a certain required liquid and poured into the mold, after cooling solidification, scrubbed treatment of the predetermined shape, size and performance of the casting of all the available mechanical equipment, also known as foundry equipment. Foundry machinery is generally classified according to the molding method, which is usually divided into ordinary sand-casting and special casting.