Foundry overhead crane have two shapes. They are light foundry bridge crane and heavy duty foundry crane.
Bridge foundry crane with hook is mainly used at the place where the molten metal is lifted. The working class of the complete machine is A 7, and thermal-protective coating is added at the bottom of the main girder. The assembling and test of the crane conform to the document No.ZJBT 375 which was issued by General Administration of Quality Supervision, Inspection and quarantine of the People’s Republic of China.
It is mainly used for pouring melted iron from additive bay to converter, lifting molten steel from refining bay to refining furnace or to the ladle turret of casting machine. The overall structure of foundry cranes has the following forms:two-girder and two-rail, four girder and four-rail, and four -girder and six-rail, etc.The top two forms are mainly used for middle and large-ton foundry crane. The crane of the last form is mainly used for extra large-ton foundry crane.