ZOLLERN GmbH & Co. KG

ZOLLERN offers main drives, screw drives, and erector drives for hard rock TBMs, earth pressure balance (EPB), micro TBMs and multi-mode TBMs up to 400 kW. 30% more compact design Torques up to 3...

In a mixed and unpredictable underground environment the increasing use of hybrid TBMs is one that goes with the territory. Where multiple machine types might have once been used for different...

Planetary gears are compact, possess a high power density and high efficiency given low construction space. They are mostly used for heavy-duty operation. Planetary gears are suitable for continuous...

Las Vegas the famous Nevada resort city with its casinos and entertainment-business, draws 90 percent of its water from Lake Mead. This largest reservoir in the United States is fed by the Colorado...

The significant adaptable features of a cutterhead are the cutting tools and the cutterhead geometry with muck conveyance. The various tools chosen to cope with the ground encountered are operated...