Recently, LYC and China Railway Tunnel Group jointly held Shield Machine Remanufacturing Main Bearing Use Assessment Conference in Guangzhou. The shield machine remanufacturing main bearing supporting shield machine for Guangzhou Metro Line 4 successfully passed through expert assessment. LYC becomes the first enterprise in China passed through industrial assessment in shield machine remanufacturing main bearing, marking LYC is the first one in China to break shield machine main bearing remanufacturing technology.
According to the relevant person in charge of LYC, the shield machine remanufacturing main bearing supporting Guangzhou Metro Line 4 this time has the diameter of 4.8 meters. Since the bearing used in the machine last year, it has achieved the driving distance of 1.5 kilometers in Guangzhou Metro Line 4 under complicated geological conditions.
Product Model | Inside Diameter | Outside Diameter | Thickness |
29388EM bearing | 440 | 680 | 145 |
81176M bearing | 380 | 460 | 65 |