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Automatic Robbins Single Shield TBM
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Automatic Robbins Single Shield TBM

ऑटोमैटिक रॉबिन्स सिंगल शील्ड टीबीएम
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Automatic Grade Automatic
Brand Robbins
Feature Flat, low profile cutterhead to enhance face support in broken rock.
All Robbins Single Shield TBMs are equipped with these features: Flat, low profile cutterhead to enhance face support in broken rock.Back-loading cutters for safer cutter changing in unstable rock conditions.Recessed muck buckets with grill bars to prevent ingestion of large rock blocks.Fast resetting propel cylinders.Skew ring to react cutterhead torque.Articulated cutterhead for steering.High-speed segment erector (single- or dual-arm depending on machine diameter) to install pre-cast concrete segments with precision.Short shield for a small turning radius and minimum exposure to trapping friction.Digital guidance system for continuous information on alignment Robbins Single Shield TBMs can be customized with: Probe drilling equipment for determining rock conditions ahead of the TBM.Automatic monitoring and data acquisition to store the real-time data from the machine functions, including penetration rate, thrust pressure, and drive motor current.Closable muck bucket doors to control muck inflow.Tail seals with grease system to prevent muck from entering between the shield and the lining.Ultra-high emergency thrust system to prevent entrapment in squeezing ground.
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Robbins Tunneling & Trenchless Technology (India) Private Limited

Chanakya Puri, Delhi
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Call 08048728905
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Product Details

Product Specification

Automatic Grade Automatic
Brand Robbins
Feature Flat, low profile cutterhead to enhance face support in broken rock.

Product Description

Contractors rely on Robbins Single Shield TBMs in massively fractured rock.

When you have large sections of broken ground to bore through, your project risk can be significant. The Robbins Single Shield TBM provides the rock boring capability of a Robbins Main Beam TBM and protects against rock collapse like a Double Shield TBM, but with minimum shield length.

What is a Single Shield TBM

  • Single Shield TBM for the Laos ProjectRobbins Single Shield TBMs protect workers from broken rock until the tunnel lining can be safely installed. The body of the machine is enclosed in a shield that is marginally smaller than the diameter of the tunnel. The flat, low-profile cutterhead minimizes disturbance of the face as it bores, and prevents large blocks from collapsing and causing excessive boring stresses. The front of the TBM is a rotating cutterhead that matches the diameter of the tunnel. As the cutterhead turns, a ring of hydraulic cylinders provides forward thrust through shoes that push against the tunnel lining. The cutterhead holds disc cutters (ranging from 11″ to 20″ in diameter) positioned for optimal boring. The transfer of high thrust through the rolling disc cutters creates fractures in the rock, causing chips to break away from the face. Boring and lining installation are performed sequentially. To steer, cylinders orient the articulated cutterhead in the required direction.
  • Robbins Single Shield TBMs are available in diameters from 1.6 to 15 m (5 to 50 ft). All Single Shields are equipped with high-speed segment erectors for rapid tunnel lining installation. To steer the machine, the cutterhead is articulated. The short shield length enables a small turning radius and minimizes exposure to squeezing ground forces that could potentially trap the machine.

Single Shield TBM Features
All Robbins Single Shield TBMs are equipped with these features:
  • Flat, low profile cutterhead to enhance face support in broken rock.
  • Back-loading cutters for safer cutter changing in unstable rock conditions.
  • Recessed muck buckets with grill bars to prevent ingestion of large rock blocks.
  • Fast resetting propel cylinders.
  • Skew ring to react cutterhead torque.
  • Articulated cutterhead for steering.
  • High-speed segment erector (single- or dual-arm depending on machine diameter) to install pre-cast concrete segments with precision.
  • Short shield for a small turning radius and minimum exposure to trapping friction.
  • Digital guidance system for continuous information on alignment
Robbins Single Shield TBMs can be customized with:
  • Probe drilling equipment for determining rock conditions ahead of the TBM.
  • Automatic monitoring and data acquisition to store the real-time data from the machine functions, including penetration rate, thrust pressure, and drive motor current.
  • Closable muck bucket doors to control muck inflow.
  • Tail seals with grease system to prevent muck from entering between the shield and the lining.
  • Ultra-high emergency thrust system to prevent entrapment in squeezing ground.

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Automatic Robbins Single Shield TBM

Company Details


About us

Legal Status of FirmPrivate Limited Company
Nature of BusinessManufacturer
IndiaMART Member SinceSep 2014

With more than 60 years of innovation and experience, The Robbins Company is the world’s foremost developer and manufacturer of advanced, underground construction machinery.

Robbins has been involved in hundreds of tunnel boring projects around the world. Today Robbins offers an extensive range of underground excavation equipment. Whether you need to build a 4-lane highway through the heart of the Himalayas, construct a 10 km subway tunnel through Hong Kong, or bore a 0.7 m tunnel for a gravity sewer in your town, Robbins makes the best machines to do the job safely and efficiently. To learn more about our past and current projects, visit our Case Studies section of the website.

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