The first "domestic shield machine" of Shenyang Heavy Machinery was born
At the end of November, Shenyang will see the deployment of its first domestically produced shield machine for subway construction, marking a significant milestone in the city's metro development. This advanced tunnel-boring equipment is set to play a crucial role in the ongoing expansion of the Shenyang Metro system.
According to an official from Shenyang Heavy Machinery Group, the shield machine represents the pinnacle of modern tunneling technology, featuring over 10,000 components. A 6.4-meter diameter model can cost up to $5 million, yet it remains significantly more affordable compared to imported alternatives. Despite this cost advantage, the machine still relies on some imported parts, highlighting the challenges in achieving full localization.
Industry experts note that while the majority of the machine’s structure is manufactured locally, critical precision components are still sourced from overseas. This dependency underscores the need for continued technological advancement and investment in domestic production capabilities.
To accelerate the integration of advanced equipment and technology, the company partnered with two international firms—Germany’s Wilt Group and France’s NFM Company—in April this year. Together, they established the Shenyang Weite Heavy Tunnel Engineering Machinery Complete Equipment Company. Under this collaboration, the foreign partners are responsible for supplying the necessary imported components.
So far, the first batch of imported parts has arrived from Germany, and the initial shield machine is now fully assembled and ready for operation. This partnership not only supports the current project but also lays the foundation for future advancements in China’s underground construction industry.
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