In the casting process of large gear ring casting manufacturers, the commonly used casting molds are matched with the casting process, including gravity casting molds, high-pressure casting molds, low-pressure casting molds, etc. The mold is one of the important processes in the entire production process. The quality of the mold will have a great impact on the product quality during large gear processing. If the mold process is improved, it will also drive the quality of the casting and have important significance for the level of casting processing technology. In the machinery industry, the molds used in large gear processing are important. Therefore, when large gear ring casting manufacturers produce large steel castings, they will require mold manufacturers to provide high-quality and complex molds, so that the entire casting level will have a step up. With the rapid development of industry, my country's casting molds have also grown rapidly year by year, and the technical level in recent years has been greatly improved compared with the past. When large gear ring casting manufacturers use large gear ring processing, they should choose appropriate molds according to actual conditions.