Our drill jumbos are the result of a decade–long, worldwide employment in underground mining, tunneling and gallery construction. A complete range of customized drill jumbos, made from a modular system of proven components, are offered for a variety of applications. Our drill jumbos are highly efficient in underground blast hole drilling, bolting, grouting and probe hole drilling for strata reconnaissance.

A large choice of undercarriages, booms, drill feeds and rock drills is the basis of optimal equipment tailored specifically to each particular job. The modular design of our drill jumbos allows them to be easily transported, assembled and dismantled while ensuring that simple maintenance is also possible.

Robustly built, providing high availability and long service life, our drill jumbos have been proven time and again throughout the world under the most adverse conditions. On request, we can design and manufacture special models for a wide range of applications that go beyond the ordinary.

Undercarriages
Our drill jumbos are normally fitted with crawler undercarriages. They can also be offered on wheeled and rail-bound carriages. In each case, the undercarriage is adapted to support one or two booms and additional devices such as service platforms. The crawlers have a similar design as the loaders. They guarantee easy control and outstanding stability in all modes of operation. Hydraulic tramming drives with an integrated brake system make it possible to use the jumbos in steep inclines as well.

Drive systems
Our drill jumbos are fitted with electro-hydraulic drives selected to provide ample power and a separate drive train is provided for each boom. Electric motors are available for various operating voltages and frequencies. As independent drive train for the carrier a diesel engine can be adapted. The switch-gear includes a diagnostic and monitoring module for high-speed analysis of all relevant machine conditions and run-time monitoring.

The hydraulic power pack consists of a number of pressure-regulated variable displacement axial-piston pumps. Mineral oils, biological oils or flame resistant liquids can be used as hydraulic medium, if required. The hydraulic power pack includes both a cooler and a filtering system. Temperature and level of the hydraulic medium are monitored automatically.

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