This standard specifies the type, basic parameters, dimensions, technical requirements, test methods and inspection rules of three-in-one reducers for cranes. The reducer specified in this standard is mainly suitable for the operating mechanism of bridge, gantry and other cranes with a lifting capacity of no more than 125t. It can also be used for the transmission mechanism of mechanical equipment such as transportation, metallurgy, mining, chemical industry, water conservancy and hydropower, construction and light industry. .
JB/T 9003-2004 history
2004JB/T 9003-2004 Gearboxes with brake motors for cranes
1999JB/T 9003-1999 Gearboxes with brake motors for cranes