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Lower Parel (W), Mumbai, India.

CBC India is one of the biggest Manufacturer, Dealer, Stockist & Supplier of Tunnel Boring Machine Steel Cord Belt in India.

Tunnel boring machines are important for creating underground basic structures like metro networks, railway tunnels, road tunnels, hydroelectric projects, and utility passages. These machines operate in challenging conditions where the constant and effective movement of excavated material is critical. A Tunnel Boring Machine Steel Cord Belt is specially designed to assist heavy-duty material handling work associated with tunnel excavation. With outstanding durability, high tensile strength, and reliable performance over long transporting spans, these belts play an important role in maintaining effective material transportation within tunnel construction projects.

The ability to operate over long spans is one of the major benefits of a Tunnel Boring Machine Steel Cord Belt. Traditional fabric conveyor belts may experience elevated stretching under challenging working environments, whereas steel cord belts provide low elongation and enhanced dimensional stability. These features make them suitable for long conveyor systems typically used in extensive tunneling projects. The rubber cover of the belt is designed to offer protection from abrasion, impact, and other mechanical stresses. During tunnel excavation, the transported material may include sharp rocks, abrasive particles, and heavy debris that can cause wear on the belt surface. A properly designed and manufactured steel cord belt with suitable cover properties can enhance resistance to these difficult conditions and contribute to a long-lasting service life.

Reliability is another critical requirement in tunnel boring machine operations. Any interruption in the material handling system can impact the overall progress of the tunnel construction project. Therefore, the conveyor belt must be capable of performing consistently in continuous working environments. These belts offer strong, excellent framework construction and outstanding load-carrying capacity, making them suitable for challenging applications where consistent performance is essential. Suitable belt selection, depending on factors like tensile strength, conveyor length, material characteristics, belt width, and operating conditions, can further enhance system performance.

CBC India provides premium, high-quality conveyor belt solutions for challenging industrial and material handling applications. With a focus on outstanding durability, reliable performance, and suitable construction, CBC India offers Tunnel Boring Machine Steel Cord Belts designed to meet the needs of demanding tunnel construction and excavation operations. By offering dependable belt solutions suitable for heavy loads, long transporting distances, and abrasive materials, CBC India supports effective and consistent material transportation for current infrastructure and underground construction projects.


Standard specifications

Parameter Technical Specification
Product Type Tunnel Boring Machine (TBM) Steel Cord Conveyor Belt
Application Continuous conveying of excavated soil, muck, rock, spoil and tunnel material
Belt Width 800 mm to 2400 mm
Belt Speed Up to 5 m/s, depending on conveyor system requirements
Belt Construction Steel Cord Reinforced Rubber Conveyor Belt
Belt Strength ST1000 to ST5400 and higher, as required
Top Cover Heavy-Duty Abrasion Resistant Rubber
Bottom Cover Wear Resistant Rubber
Cover Grade DIN-Y / DIN-W / High Abrasion Resistant Grade
Belt Thickness As per belt strength and application requirements
Material Handled Rock, Muck, Soil, Clay, Gravel, Sand and Excavated Spoil
Operating Condition Heavy-Duty, Continuous and Abrasive Tunnel Conveying
Longitudinal Strength High tensile strength for long-distance and high-load conveying
Impact Resistance High impact resistance for large and irregular excavated material
Abrasion Resistance High abrasion resistance for rock and abrasive tunnel spoil
Flexibility Designed for demanding TBM conveyor routing and pulley arrangements
Splicing Method Hot Vulcanized Splicing
Edge Construction Cut Edge / Molded Edge, as required
Temperature Range Typically -20°C to +80°C, depending on rubber compound
Moisture Resistance Suitable for Wet and Damp Tunnel Environments
Flame Resistance Available in Flame Retardant Grade for Specific Tunnel Applications
Conveyor Compatibility TBM Main Conveyor, Booster Conveyor and Tunnel Conveyor Systems
Customization Belt Width, Length, Strength, Cover Thickness and Rubber Grade as per Requirement