Vertical Cylindrical Gearbox A-400 for Crane Mechanisms and Lifting

The vertical cylindrical gearbox type A-400 is designed for the mechanism of movement of the bridge supporting single girder cranes with load capacity of 1; 2; 3,2; 5 tonnes GOST 22045-89 and load-carrying capacity of 10 tonnes TU 566.78.15-01-92. Conditions of application of reducers: constant and alternating load of one direction and reversible; operation with periodic stops (repeated-short-term mode), duration of non-stop operation not more than 30 30 tonnes non-stop operation not more than 30 min; shaft rotation in any direction; input shaft rotation speed up to 1000 rpm, with limitation of the circumferential speed of gears peripheral speed of gears -12 m/s; atmosphere I and II according to GOST 15150 with air dustiness not more than 10 mg/mS; climatic versions U and T for placement categories 1, 2, Z and 4 according to GOST 15150-69. Unit designation A-400-25-U2, where A - cylindrical vertical crane three-stage reducer, 400 - inter-axial distance, 25 - nominal gear ratio, U2 - climatic execution and placement category.