Overall Solutions

This maintenance line undertakes wheel maintenance, axle maintenance, and gearbox maintenance.

The wheel, axle and gearbox maintenance line is suitable for maintenance of disassembled components of wheel, axle and gearbox of Xi’an EMU Depot.

The wheel maintenance line is for maintenance of wheel and brake disc, which includes disassembling & assembling of wheel and braking disc, conveying to maintenance, rinsing, detecting, painting, inspecting, static balance testing, wheel disc turning (reserved), brake disc surface beating test, wheel inner bore measuring, wheel warehousing as well as conveying during maintenance process. Meanwhile, inspection and storage of new wheels and discs have also been carried out.

Axle maintenance service includes transportation of axle for maintenance, disassembly & assembly of gearbox and brake disc, detecting of axle and big gearwheel, gearbox and pinion maintenance, gearbox gap adjusting and rotation test, axle parameters measurement, and etc.

Gearbox maintenance includes disassembly of axle gearbox, conveying, gearbox and pinion maintenance, assembly, gearbox gap adjustment and rotation test, as well as logistics of maintenance process.

System integration technology has been adopted for wheel, axle, and gearbox maintenance line. It satisfies technical requirement of CRH2 and CRH3 model EMU maintenance operation procedure. The key equipment can be used for level-3 maintenance operation requirements for EMU of CRH5 model, and it allows CRH5 specialized equipment to be used.