... 1440 with two repairing lines separately for big parts including frame, bolster, split, etc. and small parts including brake ... 7 sets of special facilities and frocks including frame set in-off machine, frame overturn machine, tri-dimension measurer, etc.. The repairing ... particle defectoscope for hangers, ultrasonic defectoscope, set-in pressure machine, etc.. In the course of repairing bogie, the ...