Positioning a 3,600-ton tunnel boring machine at the starting point! A case of a 2.5 km underground twin tunnel.
We would like to introduce a case study of the EVO synchronous lifting system and the CLRG series cylinders. The construction of the 4.5 km Waterview Connection highway includes the deployment of a ground pressure balance machine to excavate a 2.5 km underground twin tunnel. To initiate the tunnel excavation process, it was necessary to position a 3,600-ton tunnel boring machine at the starting point. Ten 600-ton cylinders equipped with internal stroke sensors controlled by the EVO synchronous lift system descend to tilt the tunnel boring machine into the starting position. Once the positioning is complete, tunnel excavation begins. After the first tunnel's length is completed, the system is redeployed to lift and tilt the machine to complete the other parallel lengths of the twin tunnels, ultimately returning to the starting point. *For more details, please refer to the PDF materials or feel free to contact us.*
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【Case Overview】 ■Customer: Auckland, New Zealand ■Product: EVO Synchronization Lifting System, CLRG Series Cylinder *For more details, please refer to the PDF document or feel free to contact us.*
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For more details, please refer to the PDF document or feel free to contact us.
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Company information
The Japanese corporation Enapack is the local subsidiary of the American company Actuant in Japan. It was established domestically in 1967. The U.S. headquarters is the world's largest manufacturer of high-pressure hydraulic equipment, with a history spanning a century. It has 2,300 employees on a consolidated basis and sales of 84 billion yen. The company manufactures hydraulic and electrical equipment (hydraulic pumps, hydraulic cylinders) and operates globally with local subsidiaries in 30 locations and over 2,000 distributors. In Japan, the sales offices include the headquarters in Saitama Prefecture, as well as sales offices in Osaka and Fukuoka. The sale of industrial hydraulic equipment primarily relies on wholesale through distributors, with over 100 distributors nationwide. Thanks to the long-standing trust and achievements from our customers, our company has continued to grow together with them and has earned a strong reputation in domestic sales. Furthermore, we provide global support for product exports worldwide.