Universal Drilling Machine In Underground Mines (UDM)
It is a crawler mounted electro-hydraulic machine which can drill blast-holes in the face and also Drill holes for roof/side/floor bolting at various angle. hence it I known as Universal Drilling Machine (UDM).
Universal Drilling Machine |
The machine can drill holes from 38 to 63mm diameter and 3 to 5 meter deep. By adding more drill rods, holes upto 20m long can be drilled. Hence it is found very useful in blasting gallery panels also.
The UDM can work in gradient upto 1 in 4 and in seam heights upto 3.5m.
The height of UDM is 1.6m, length is 4.6m and width of UDM is 1m .
The travelling speed of UDM is 3km/h.
The machine is provided with a 22kw flame proof motor.
Safety Device In UDM
Rear Brake
Parking Brake
Audio Visual Alarm
Canopy
Hand lever
Light
Foot switch
Advantages
Due to speedy drilling production and productivity of loading machines (SDL, LHD) also increase considerably.
Handheld drill can not drill long holes but, UDM permits drilling of longer holes easily.
The UDM is provided with flameproof motor.
It has a strong canopy which prevent any fall of roof or object on the UDM operator.
By adding more drill rods, it can drill holes upto 20m long.
lights are provided, which provide sufficient light to UDM operator to work in underground mines.
It can move in narrow galleries and can take sharp turns.
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Universal Drilling Machine
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