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Bosch Rexroth Cylinders Help To Promote The Yangtze River Tunnel In Natural Moat by big tree
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Bosch Rexroth Cylinders Help To Promote The Yangtze River Tunnel In Natural Moat by BIG TREE
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| Article Posted: 09/27/2010 |
| Article Views: 9 |
| Articles Written: 1033 - MORE ARTICLES FROM THIS AUTHOR |
| Word Count: 751 |
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Bosch Rexroth Cylinders Help To Promote The Yangtze River Tunnel In Natural Moat |
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Business,Business News,Business Opportunities
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1957 years ago, take the ferry from Wuchang to Hankou to several hours. 2008 years ago, driving tens of minutes over the Yangtze River Bridge in need. The end of the year after the Wuhan Yangtze River Tunnel was opened to traffic, just a mere seven minutes across the Yangtze River. Known as "the first Yangtze River Tunnel," the Wuhan Yangtze River Tunnel Construction in human history, one of the most difficult projects, rely on Bosch Rexroth's sophisticated technology and promoting strong tank force, two important groups of Taipei Shield Created a tunnel boring one-time non-repair of the world's best promote long-distance records for natural moat into a thoroughfare.
Wuhan Yangtze River Tunnel and Bridge in Wuhan Yangtze River Bridge, between what two-hole bi-directional four lanes, total length of 3,630 meters. Design anti-6 earthquake and flood once every 300 years. Crossing, will effectively ease the Yangtze River Bridge, the Bridge of the traffic pressure, and significantly reducing the passage of time, to facilitate rapid adoption of transit vehicles.
The industry's difficult tunnel project, dubbed the "body in the Yangtze River under the disembowelling dragon." The construction of the bad difficult and the work environment are extraordinary imagination, and the end of the high river water pressure and strong construction permeable bring more global problem. Assume the responsibility of the shield tunnel boring machine, is to rely on forward cylinder Rexroth provides steady stream power, become invincible Lee spear ripped through the Yangtze River natural moat.
Tailor-made Wuhan Yangtze River Tunnel project enabled two of the largest most advanced shield machine, the maximum diameter of 11,380 mm, tunnel into the hole diameter of 10000 mm, driving mileage from 2550 to 2499 meters. In order to ensure both the "interest spear" Driving a successful transmission and control of the world's leading technology experts?? Bosch Rexroth shield forward with its development and production of fuel tanks on the long experience of the German headquarters of the Engineers Joint , using a unique measurement system for a large number of virtual and experimental workshop, tailor-made for the project and built the 72 most powerful to date to promote domestic oil tanks. As the special nature of tunnel construction, installation space is considerably limited, the promotion of Rexroth design is only 360 mm cylinder bore, rod diameter 280 mm, the maximum thrust of each cylinder is up to 360 tonnes, 2.6 m trip. This is the first time on Chinese soil to produce such advanced propulsion tanks!
Performance Excellence Order to adapt to dynamic load, heavy duty, high frequency, high-pressure working conditions, the fuel tank by a special material and sealed with a unique design and welding technology, so as to prevent leaks. Promote fire plug rod cylinder surface have also been specially treated to make it more wearable, corrosion, can cement mortar running smoothly. Accurate design of advanced fuel tank to advance to the minus 40 to 50 zero on the environment can cope with, and can withstand the tremendous work pressure and lateral forces. Wuhan Yangtze River Tunnel project up to the maximum working pressure of 35 MPa, the advance of tanks Rexroth withstood this severe test. Moreover, according to laboratory data showed that 72 tanks to promote maximum acceptable pressure of 52.5 MPa. In addition, Rexroth also shield installed on each of four cylinders with a displacement sensor advance by means of GPS satellite positioning, real-time accurate positioning and orientation, to ensure the shield to the scheduled Track Lane for driving, crossing the river once the end of 1400 meters long, high-pressure, high permeability formation.
Local advantage Yangtze River Tunnel Project to promote the use of 72 units by Bosch Rexroth cylinder plant in Changzhou. Localization of production not only reduces the cost, but also allows customers to receive better service. In the course of the project, Bosch Rexroth engineers stationed in the field guide, to help complete the construction Fangshun Li tunneling. After the end of the project, Bosch Rexroth will also promote the decomposition and research tanks to provide maintenance services to enhance the utilization of tank advance.
Cylinder Rexroth promote excellence exchange for the customer's trust. Responsible for project construction of China Railway Group invited again Rexroth Cooperation Its production of China's first independently developed for propulsion fuel tank shield. I am China Manufacturers writer, reports some information about sunflower oil painting , faux painting technique.
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