On July 9, the first rail grinding train was put into operation in Beijing. This is a result of cooperating with SPENO.
The technical specification is as follow:
Number of stones 96
Number of motors 96
Min. grinding radius 300 m
Max. grinding gradient 33
Maximum Self-propelling speed (two-way)100 km/h
Maximum coupling speed 120 km/h
Grinding speed 6 h
Capacity of grinding 0.2mm
Longitude grinding capability 0.02 mm
Roughness of rail surface after grinding <Ra10 m
