Atlas Copco's new rotation unit

A new series of rugged, hydraulically-powered rotation units for use with any type of DTH (down-the-hole) hammer in the 92-203mm range as well as ITH (in-the-hole) underground production work with Simba drill rigs, has been introduced by Atlas Copco. The DHR 6 is the latest unit in the company's well known DHR series and complies with demands for air pressure of up to 35 bar and a maximum torque of 6kNm. This means the unit will allow a DTH hammer to be run at much greater power, significantly accelerating
July 19, 2012 Read time: 2 mins
The latest rotation unit from Atlas Copco, the DHR 6 is said to pave the way for high-powered DTH drilling and offers easier maintenance and serviceability
A new series of rugged, hydraulically-powered rotation units for use with any type of DTH (down-the-hole) hammer in the 92-203mm range as well as ITH (in-the-hole) underground production work with Simba drill rigs, has been introduced by 161 Atlas Copco.

The DHR 6 is the latest unit in the company's well known DHR series and complies with demands for air pressure of up to 35 bar and a maximum torque of 6kNm. This means the unit will allow a DTH hammer to be run at much greater power, significantly accelerating the drilling rate.

"In addition, the DHR 6 has been improved for maintenance and serviceability. Air inlet seals can be more easily replaced and there are inspection holes and hatches for checking possible oil leakage," says Atlas Copco.

The unit is mounted on the Atlas Copco surface crawler rigs ROC L625, ROC L630, ROC L825, ROC L830 and is also suitable for all Simba ITH production drilling rigs.

Earthmoving & soil compaction

For more information on companies in this article

Related Content

  • Asphalt paving review for 2019
    February 12, 2020
    A series of new asphalt pavers have been introduced in 2019
    Read More
  • Four more Jetpatcher units for Mexico
    September 13, 2023
    The Jetpatcher kits include all the proprietary control systems as well as the company’s Spreader Box attachment for localised sheet patching applications.
    Read More
  • Increased electric power
    February 6, 2012
    ATLAS COPCO is introducing its new QAC800 generator, which can deliver up to 800kVA and replaces the earlier QAC750 model. The QAC800 supplies power at 50Hz and is designed to meet increasing demands from generator users. The machine is an upgrade of the well-proven QAC750, which delivers 750kVA. Although the electric power output is increased the unit still uses the same MWM engine however. Designed for extreme operating conditions, the QAC series generators can work in all weathers. A built-in engine cool
    Read More
  • SDLG wheeled loaders assisting in Georgia’s concrete production
    December 8, 2014
    A fleet of wheeled loaders from SDLG is playing a key link in the chain for producing concrete at a facility in Georgia. With this equipment HeidelbergCement Georgia and HeidelbergBeton Georgia are proving able to keep pace with an intensive production schedule at a number of concrete production sites across Georgia. Overall HeidelbergCement Caucasus has seven concrete and two cement manufacturing plants in Georgia that are running SDLG wheeled loaders. The company’s SDLG fleet comprises LG936L, LG953 a
    Read More

Highlighted Content