... repair bogie components. The workshop area is 1440 with two repairing lines separately for big parts including frame, bolster, split, ... machine, frame overturn machine, tri-dimension measurer, etc.. The repairing line for small parts is deployed 8 pcs of special ... defectoscope, set-in pressure machine, etc.. In the course of repairing bogie, the flawless defectoscope check range is expanded to ensure ...