Shield main bearing of remanufacturing breakthrough the bottleneck of our country

November 26, China's first domestic main bearing remanufacturing of shield in hefei offline smoothly, and through the China quality certification center for acceptance. The graph is through the acceptance of the remanufacturing of shield that day. China's first domestic main bearing remanufacturing shield on November 26th in hefei offline smoothly, and through the China quality certification center for acceptance. This symbolized our country in the field of shield to make breakthrough the main bearing of autonomous development bottleneck, the end of the history of our country cannot produce such high-end bearing. The device is in order to adapt to hefei strata excavation organization remanufacturing of earth pressure balance shield. It is understood that the new main bearing diameter is 2. 6 meters, which can meet 6 to 7 m diameter of shield 1 continuous work. More than 50000 hours, formed the raw materials design and so on six independent intellectual property rights and a number of special standard, marked the our country had mastered the shield tunnel machine core technology, technological monopoly broke a few foreign companies, realize the localization of shield main bearing. Shield as a kind of short life cycle cost of equipment, high value, the current domestic ownership has more than 1200 units. At present, a large number of shield tunnel face severe performance degradation, increasing the cost or destroyed, the implementation of remanufacturing, has significant social benefits and economic benefits. China railway tunnel group pioneering use of production mode of 'scientific research and manufacturing orders', in the shield and tunneling technology state key laboratory of scientific research team, led by the same government of luoyang bearing co. , LTD. , shandong, so as to realize the development of remanufacturing of shield breakthrough. （ Economic daily) Jiaxing seiko co. , LTD. ( Professional motor bearing application solutions provider) Focus on miniature high speed, low noise, long life motor bearing telephone: fax: an article on the sales @ : China's bearing industry market situation and industry present situation analysis in the next article: '2016 annual list of the ten famous brands in Chinese bearing judgement' glory