Roof Master 1.8 AWK ATEX

Self-propelled bolting rig for operation in explosive environments

Self-propelled Bolting Rig RM 1.8 AWK ATEX is designed to perform roof bolting work in the headings with min. height of 4.3 m and max. 7.6 m. There are 8 bolts in the carousel on the bolting mast. The machine has the ability of two types of drilling. The first - drilling holes of 33 mm diameter in soft rocks, up to 50 MPa - rotary type with air blowing; the second - drilling holes of 42 mm diameter in hard rocks, up to 160 MPa - rotary-percussive type with air-water mist flushing. To change the type of drilling, it is necessary to change the drifter and connect some hydraulic hoses.

Drilling of holes and installation of bolts are possible both with power from the mine’s electric grid and with Diesel engine.


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Technical information

Feature Unit Description
Type of machine    Roof Master 1.8 AWK ATEX
Length [mm]  13 750
Width [mm]  2 400
Tramming height [mm]  2 600
Working height [mm]  2 600
Outer turning radius [mm]  6 500
Inner turning radius [mm]  3 300
Weight [kg]  27 900
Gradeability [deg]  10
Cross-grade [deg]  5
Max. tramming speed [kph]  12
Length of bolts  [m]  1,8 / 2,5 (optionally)
Type of bolts    Mechanic / resin (optionally)
Max. bolting height [mm]  7 600
Engine   Perkins
Tramming system    Mechanical (Powershift)
Boom   B-40HD
Rock drill    Montabert HC-25 rotary-percussive/Mine Master MMF1 rotary