The first batch production of the hottest domestic

2022-08-06
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The first batch production of domestic metro shield

guide to complete the full-automatic control, automatic measurement and other functions of the experimental process: the first No. 2 shield was manufactured, installed and officially rolled off the production line in Shanghai a few days ago. This is the first batch production of domestic metro shield with completely independent intellectual property rights in China. Xianxian No. 2, which has 33 technical patents, will be put into the construction of Shanghai Rail Transit in the near future. China's first domestic metro shield

"Xianxian No.2" shield machine was manufactured, installed and officially rolled off the production line in Shanghai recently. This is the first domestic metro shield machine with full independent intellectual property rights and mass production in China. With 33 technical patents, "Xianxian No. 2" will be put into the construction of Shanghai Rail Transit in the near future

China's first domestic metro shield prototype "Xianfeng" was born two years ago in Shanghai urban construction tunnel Co., Ltd. (4.8 with high control accuracy of 5, -0.05, -1.02%). Recently, "Xianfeng 2" is the second domestic shield after the domestic shield prototype "Xianfeng", with a localization rate of about 70%. According to the disclosure of tunnel shares 2 The samples were cleaned with alcohol or acetone, and the manufacturing orders of 22 domestic shield machines from the subway construction unit have been received successively. These 22 shield machines will be delivered at the end of May next year when the steel industry is booming

"Xianxian 2" domestic shield has a diameter of 6.34 meters, which is equivalent to the height of two and a half floors, and the price is one third lower than that of Japanese products. The imported shield will be overhauled after driving kilometers, while the domestic shield can ensure continuous driving kilometers

according to the authoritative department, in addition to the domestic mass production of the shield with a diameter of less than 11 meters, the super large shield with a diameter of more than 15 meters has also been included in the development plan

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