On June 17, with the "China Railway No. 797" cutter head turning slowly, a slurry shield machine with diameter of 13.46 meters was officially off line. The slurry shield machine, China's first super-large diameter slurry shield machine exported to Europe, will be used in thshield machine, China's first super-large diameter slurry shield machine exported to Europe, will be used in the construction of the Swinoujscie tunnel in Poland.
The "China Railway No. 797" slurry shield machine has a cutter head diameter of 13.46 meters, a total length of about 105 meters, and a total weight of more than 2700 tons. Based on the requirements of customers and in-depth analysis of specific application conditions, Luoyang Bearing Research Institute Co. Ltd. (ZYS) gave full play to ZYS comprehensive technical advantages and developed slewing bearings of extra large segment assembling machines for customers. The ZYS bearing product adopts a four-point contact ball bearing structure, and the bearing inner ring is integrated with high-precision gears. Thus the slewing bearing has a higher load-bearing capacity to meet special installation requirements, and also ensures the accuracy of the segment assembly to improve the overall performance of the slurry shield machine.
ZYS can offer five types of slewing ring bearings, including single row four point contact ball slewing bearing, double row different ball diameter slewing bearing, single row cross roller slewing bearing,roller&ball combination slewing bearing and three-row cylindrical roller slewing bearing. If you want to learn more about zys slewing bearing for shield machine, please visit /slewing-bearing/.
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