Large-Diameter Tunnel Boring Machine

Large-Diameter Tunnel Boring Machine: Revolutionizing Underground Construction

Shenyang Zhongda Steel Structure Engineering Co., Ltd. is a leading Large-Diameter Tunnel Boring Machine manufacturer and supplier. Our advanced products offer unparalleled precision, efficiency, and reliability for your most demanding tunneling projects.

Product Description:

Our state-of-the-art products are designed to meet the rigorous demands of major infrastructure and mining projects. With customizable diameters ranging from 4 to 15 meters, these powerful machines can tackle a wide variety of geological conditions. Whether you're constructing metro tunnels or excavating hydraulic culverts, our products deliver exceptional performance with a maximum thrust speed of 80mm/min.

Product Features:

• Adaptable Earth Pressure Balance (EPB) and Slurry Shield modes
• Robust Q460C low alloy steel cutterhead body (80-120mm thickness)
• High-performance tungsten carbide cutter inserts
• Advanced thrust cylinder system (35-40MPa pressure)
• Cutting-edge control systems for precise operation

  

   

Quality Control:

At Zhongda, we prioritize quality at every stage of production. Our products undergo rigorous testing and quality assurance processes, including non-destructive testing and advanced CNC machining. We adhere to international standards, ensuring our machines meet or exceed industry expectations.

Why Choose Us?

With our Class I Steel Structure Professional Contracting Qualification and ISO certifications, Zhongda offers unmatched expertise in Large-Diameter Tunnel Boring Machine manufacturing. Our vertically integrated capabilities, from R&D to precision fabrication, ensure superior quality and efficiency. Trust in our 70% client retention rate and proven track record of delivering complex projects on time.

Production Process:

Our products are manufactured using advanced equipment, including CNC ultra-thick plate cutting (300mm) and automated welding lines, ensuring high-precision results.

OEM & ODM:

We offer comprehensive OEM and ODM services for the products. Our experienced team can customize machines to your exact specifications, whether you need a specific diameter, geological adaptations, or unique features. We leverage our R&D partnerships with top-tier design institutes to provide innovative solutions tailored to your project requirements.

Our flexible manufacturing process allows for modifications at various stages, ensuring your product meets evolving project needs. With our BIM-based digital design capabilities, we can optimize your machine's performance and integrate seamlessly into your project workflow.

Project Cases:

Our products have been instrumental in numerous landmark projects:

• Shenyang Metro Line 4: Our 6.5m diameter EPB TBM excavated 3.2km of tunnel in challenging urban conditions.
• Jingha Expressway Expansion: We supplied a 12m diameter Slurry TBM for a 5km mountain tunnel, completing ahead of schedule.
• Australian Mining Project: Our custom 8m diameter Hard Rock TBM successfully bored through 10km of granite for a major mining operation.

These projects showcase our machines' versatility and reliability across diverse geological and project requirements.

Certifications:

Our products are CE certified (EN 12336) and have obtained TUV Shield Machine Safety Assessment Reports.

Packaging and Delivery:

At our company, we are committed to delivering a hassle - free experience. We take great care in ensuring secure packaging for all our products, using top - notch materials to protect them during transit. Additionally, we offer flexible shipping terms to accommodate diverse business needs. Whether you prefer the FOB Shanghai option, where the goods' responsibility transfers at the Shanghai port, or the CIF option that includes cost, insurance, and freight, we've got you covered. For standard models, we operate on a 6 - 8 month delivery cycle, keeping you informed at every stage to guarantee a smooth process from order placement to receipt.

FAQ:

Q: What after-sales support do you provide?
A: We offer 48-hour global engineer response and free first-time cutter replacement.

Q: Can your products handle variable ground conditions?
A: Yes, our machines are designed with adaptable modes (EPB/Slurry) to tackle diverse geological challenges effectively.

Q: How do you ensure the machines meet international standards?
A: We adhere to EN 1090, AWS, and JIS standards, enabling seamless integration into global EPC project chains.

Contact Us:

Ready to revolutionize your tunneling projects with our Large-Diameter Tunnel Boring Machine? Contact us at Ava@zd-steels.com for a personalized consultation and quote.