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Double-shield tunnel boring machine SBU-RHSS,SBU-RHDS
single-shield

double-shield tunnel boring machine
double-shield tunnel boring machine
double-shield tunnel boring machine
double-shield tunnel boring machine
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Characteristics

Options
double-shield, single-shield
Diameter

Min.: 54 in

Max.: 78 in

Description

Team up with the most capable mid-sized machine on your next hard rock bore Get the most efficient and valuable tool for excavating longer hard rock bores. If you have a project that requires accurate line and grade or if you need to bore a longer drive, then the Robbins Rockhead could be the most successful solution for your project. Since each project is different, each solution will vary. To find out if this system is the best fit for your project, read carefully about the machine itself and all of the options Robbins has availab The Robbins Rockhead is a powerful mid-sized tunneling machine modeled after larger TBMs that generates torque from a drive unit mounted at the cutterhead thrust bearing assembly. Each Rockhead is custom designed to fit your project’s specifications, and is available in both Single Shield (SBU-RHSS) and Double Shield (SBU-RHDS) models. Rockheads employ a different excavation method from the Robbins SBU-A, which is dependent on the auger for torque and a standard boring machine for thrust. Double Shield Rockheads are self-propelled using a gripper system, while Single Shield Rockheads must be used with a pipe-jacking system or primary liner erected in the tail shield. Torque is achieved through an in-shield drive motor. The Robbins Company has the right machine for your job. Let us help you select the right machine from our proven designs. PROJECT SPECIFICATIONS AND THE MACHINE SOLUTION BORE DIAMETER The diameter range for the Robbins Rockhead between 54 inches (1.35 m) and 78 inches (2.00 m).

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.