roadway excavation

Application of Boomer 281 Tunneling Jumbo in Roadway Tunneling Construction of Lilou Iron Mine

In order to improve the roadway excavation speed and forming quality, and ensure that the roadway section after blasting is flat and smooth, according to the field construction conditions of the test roadway in Lilou Iron Mine, the blasting parameters such as the distance between the smooth

Hydraulic rock drill

Concise Introduction to EPIROC's COP MD20 Hydraulic Rock Drill

The paper outlines EPIROC’s COP MD20 hydraulic rock drill and analyzes its advantages in usage. This hydraulic rock drill is compared with COP 1838 in terms of structural features. The paper also assesses the technical road of double- side oil return system and the prospect of COP 1838 product.