Small Boring Machines | The Robbins Company

The Robbins Rockhead is a powerful mid-sized tunneling machine available in both Single Shield and Double Shield models. Remote Controlled Small Boring Unit (SBU-RC) The Remote Controlled SBU (SBU-RC) is the ultimate solution for high-precision tunneling at small diameter.

Small-Diameter Tunneling: A Historical Perspective

This machine was used for many tunnels throughout the world, including a 7,900-ft long tunnel in 1980 that was reported to be the longest small bore rock tunnel constructed to that time. In 1977, the Jarva Corp. produced a truly circular, full-face TBM rock coring machine that was used successfully for a 4,400-ft long tunnel in Davenport, Iowa.

Small Tunneling Machine - Image Results

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Products | The Robbins Company

Robbins products are engineered for durability and performance, ensuring the successful completion of even the most difficult underground construction projects. The Robbins Company is best known for its high quality large diameter tunnel boring machines (TBMs).

Small "Tunnel" Boring Machine for running electric cables ...

This video shows how a small machine is able to make a small tunnel under the ground in a backyard to allow a big plastic pipe to be pulled through, as shown in the third of these videos.

small tunneling machines - alibaba.com

Alibaba.com offers 8,782 small tunneling machines products. About 6% of these are wrapping machines, 1% are mine drilling rig, and 1% are industrial freezer. A wide variety of small tunneling machines options are available to you, such as core drilling rig, rotary drilling rig.

small tunneling machines - Cutting Head

A small tunnel boring machine in New York City ready to build the ... The tunnle network under the city is amazing. I never realized just how vast it is until I saw a previous picture of a boring machine a few years ago.

New & Used Boring & Tunneling Machines For Sale & Rental

Boring or Tunneling Machine for sale & rental | Rock & Dirt. Search from 1000's of listings for new & used Boring & Tunneling Machines for sale or rental updated daily from 100's of dealers & private sellers.

Small Tunnels, Big Challenges - Tunnel Business Magazine

The company used a 72-in. Double Shield machine to complete 2,014 ft of tunnel earlier this year for a project that faced similar challenges. “Installing small diameter tunnels at longer distances (greater than 750 ft) can sometimes be more challenging than large diameter tunneling.

Tunnel boring machine - Wikipedia

A tunnel boring machine (TBM), also known as a "mole", is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata.They may also be used for microtunneling.

Microtunneling Equipment For Sale and For Rent - Down2Earth

We supply all kinds of power supply cables to the pipejacking and small sized segmental lining machines. Lubrication plants We supply different types of bentonite mixing plants for use in both slurry circuits and pipelubrication.