Product Details
Place of Origin: Hefei Anhui China
Brand Name: FeiChun™
Certification: International Electrical Commission (IEC) standards
Model Number: Long-Length TBM Machine Cable
Payment & Shipping Terms
Minimum Order Quantity: 800 M
Price: 10-30 USD per meter, price varies according to specifications
Packaging Details: Cable Reels or Packaging Bags
Delivery Time: 15-30 Days
Payment Terms: T/T or Western Union
Supply Ability: 12,000 meters per week
Heavy-Duty Performance: |
Suited For Demanding Tasks |
Adaptable Voltage: |
Versatile Voltage Compatibility |
Excavation Safety: |
Minimizes Fire Risks |
Corrosion Resistance: |
Endures Tunnel Environments |
Rail Tunneling: |
Essential For Rail Projects |
Certified Compliance: |
Meets Safety Standards |
UV Resistant: |
Withstands Sunlight Exposure |
Dust-Resistant Design: |
Maintains Cleanliness In Tunnels |
Heavy-Duty Performance: |
Suited For Demanding Tasks |
Adaptable Voltage: |
Versatile Voltage Compatibility |
Excavation Safety: |
Minimizes Fire Risks |
Corrosion Resistance: |
Endures Tunnel Environments |
Rail Tunneling: |
Essential For Rail Projects |
Certified Compliance: |
Meets Safety Standards |
UV Resistant: |
Withstands Sunlight Exposure |
Dust-Resistant Design: |
Maintains Cleanliness In Tunnels |
When it comes to tunneling and underground mining, reliable power supply is critical for keeping operations efficient, safe, and uninterrupted. Tunnel Boring Machines (TBMs), especially in deep tunnels, require specialized cables capable of withstanding harsh conditions, extended lengths, and constant movement.
These cables are specifically designed to endure the rigorous demands of deep tunneling projects. In this article, we'll introduce the Long-Length TBM Machine Cable and explore why it's the perfect solution for deep underground applications.
The long-length TBM machine cable is a type of tunneling machine cable designed to power and control tunnel boring machines used for deep underground construction.
These cables provide a consistent electrical connection to the TBM while it bores through rock and soil in long, deep tunnels. TBM cables must be flexible, durable, and resistant to extreme conditions such as heat, moisture, mechanical stress, and chemical exposure.
This cable is crucial for large-scale projects such as deep bore tunneling, mining operations, and other underground construction activities where long-distance power transmission is necessary. These cables can handle both low resistance and high voltage requirements, ensuring that even the deepest tunneling operations remain powered without interruption.
TBM projects in deep tunnels often require cables to stretch across great distances without losing conductivity. Extra-long TBM cables are designed for just this purpose. The extended length feature ensures the cable can maintain consistent power and signal transmission over long distances, minimizing the need for frequent cable replacements or connections.
Typical length: 500 meters to over 1 kilometer.
Voltage rating: Up to 35kV for heavy-duty applications.
Operating temperature: -40°C to 90°C, making it suitable for both deep hot tunnels and cold underground spaces.
Due to the nature of TBM operations, these cables must be highly flexible to adapt to the constant movement of the boring machine as it progresses through the tunnel.
A flexible extra-long tunneling machine cable ensures that the machine can move smoothly without experiencing cable wear or electrical faults.
Bending radius: Typically between 5 to 10 times the outer diameter of the cable.
Core structure: Designed with finely stranded copper or aluminum conductors to improve flexibility.
In deep tunneling, conditions are often unpredictable and harsh, including exposure to moisture, chemicals, and mechanical wear. The durable extended length underground cable is engineered with special insulation and sheathing to withstand these elements.
Whether the environment is wet, corrosive, or abrasive, these cables continue to function reliably.
Insulation material: Cross-linked polyethylene (XLPE) or ethylene propylene rubber (EPR) for excellent heat and chemical resistance.
Sheathing: Highly resistant to oils, solvents, and other chemicals often found in deep tunnel construction.
TBM cables are designed to minimize energy losses over long distances. The low resistance long-distance mining cable ensures that power is transmitted efficiently from the surface to the TBM, even when operating deep underground.
This is crucial in avoiding voltage drops and ensuring that the TBM operates at optimal performance.
Copper vs Aluminum conductors: Copper provides lower electrical resistance, while aluminum offers a more cost-effective, lightweight alternative for extended lengths.
Deep tunneling operations require equipment that can handle prolonged exposure to extreme environments.
High temperature long-length TBM cables for deep hot tunnels are crucial in preventing overheating, electrical malfunctions, and cable degradation in tunnels with high ambient temperatures. Similarly, cables for cold, damp, or chemical-exposed environments require specific materials and coatings to prevent damage.
Condition | Cable Specification | Benefit |
---|---|---|
High heat tunnels | XLPE insulated cables | Resistant to high temperatures |
Chemical exposure | EPR insulated cables | Excellent chemical resistance |
Moisture | Water-resistant outer sheath | Prevents short circuits |
Mechanical stress | Armored cable options | Protects against abrasion |
Deep tunneling projects are often time-sensitive, and any equipment failure can lead to significant delays.
Using a long-length TBM cable ensures continuous power delivery, reducing downtime and increasing productivity. This makes it an essential part of the underground construction process, particularly in long tunnel projects.
Every tunneling project is different, and the environment, tunnel length, and required voltage vary based on geography and project scope.
That's why custom TBM cable solutions for deep tunnel applications are essential for providing a tailored solution to your specific tunneling needs. Whether you need extra insulation for chemical resistance or cables built for extended lengths and high voltage, customized cables can offer:
Specific chemical compatibility for deep mining applications.
Tailored length to avoid unnecessary connections or splicing.
Sheathing options to handle the specific environmental challenges of your project.
Customization Need | Cable Feature | Benefit |
---|---|---|
Chemical exposure | Custom chemical-resistant sheath | Protection against corrosive environments |
Extreme flexibility | High-flexibility cable design | Enables easy movement in tight spaces |
Extended cable lengths | Extra-long cable solutions (over 1,000 meters) | Ideal for large, deep tunneling projects |
High voltage or high power needs | Customized conductor size (up to 35kV) | Ensures efficient power transmission |
Low-temperature resistance | Special cold-resistant insulation | Performs reliably in freezing underground areas |
When selecting the right cable for a deep tunneling project, one critical decision is whether to use copper or aluminum conductors. Each has its own advantages depending on the project requirements.
Feature | Copper Conductor | Aluminum Conductor |
---|---|---|
Electrical Conductivity | Higher conductivity | Lower conductivity |
Weight | Heavier | Lighter |
Cost | More expensive | More cost-effective |
Corrosion Resistance | High resistance | Requires special sheathing for protection |
Application | Ideal for long-distance high-power needs | Suitable for projects requiring lightweight cables |
In deep tunneling, copper is often preferred for its lower resistance and better performance in high-power applications. However, aluminum offers a more lightweight and cost-effective solution for long-distance cable installations.
When selecting cables for deep tunnel projects, it's essential to ensure they meet industry safety standards. Safety standards for long-distance underground cables include ensuring proper insulation, flame resistance, and mechanical strength to withstand the intense demands of tunneling projects.
Some common safety certifications for TBM machine cables include:
IEC 60287 for thermal performance of electrical cables.
IEC 60502 for power cables with rated voltages of 1kV and above.
ISO 9001 for quality management systems in cable manufacturing.
Ensuring that your TBM machine cable complies with these standards ensures long-term reliability and safety in deep underground environments.
Several large-scale tunneling projects have successfully used long-length TBM cables to power their operations. One example is the Gotthard Base Tunnel in Switzerland, which is the longest and deepest railway tunnel in the world.
This project required over 57 kilometers of tunnel boring, and extra-long tunneling machine cables were critical for powering the TBMs throughout the entire construction process.
In another case, a deep bore project in Australia’s mining sector utilized extended length underground cables to power TBMs in extreme heat conditions. The project was successful due to the reliable power delivery provided by the custom cable solution.
Choosing the right long-length TBM machine cable for deep tunnels can make or break the success of your tunneling project.
With features such as high flexibility, low resistance, chemical and heat resistance, and customizable options, these cables are designed to withstand the most challenging underground environments.
For your next deep tunneling or mining project, consider investing in high-quality TBM cables that meet your specific needs. Whether you're working in deep hot tunnels, dealing with chemical exposure, or simply need a long-distance mining cable, the right TBM cable can ensure your project runs smoothly and efficiently.
If you're looking to purchase long-length TBM cables or want to explore custom cable solutions, our team of experts is here to help. Contact us today to find the perfect cable for your next deep tunnel project.
Note: This is just part of the standard parameters of our products. Please contact our Engineer if you need more. And the information contained within this webpage is for guidance only and is subject to change without notice or liability. All dimensions and specifications are nominal and are subject to normal manufacturing tolerances. All pictures shown are for illustration purposes only. The actual product may vary. All the information is provided in good faith and is believed to be correct at the time of publication.