Name: 20m depth 7 bar rotary drilling rig HQD70
Brand: Kerex
Availability: InStock

Product Details

20m depth 7 bar rotary drilling rig HQD70

rotary drilling rig are widely used in the coal, ferrous and non-ferrous metal mining, chemical, railway, road, water and electricity, military and other tunneling engineering applications.

Features of rotary drilling rig:

1. portable drilling rig widely used in mines,transportations,defense,water conservancy,rock engineer,especiaaly rugged terrain.

2. Low center of gravity,easy to fold and to move.

3. Rotator reducer with high torque ensure operating reliable in the case of strong vibrations or heavy duty.

4. Simple structure,easy to operate,low cost.

5. Propulsion system equipped with relief valve,adjusting propulsion,ensure excellent performance

6. Different types,such as hydraulic and electric,and pneumatic.

Specifications of rotary drilling rig:

Model	HQD70
Rock rigidity	f=6~20
Diam. of hole(mm)	68~80
Optimum drilling depth(m)	15
Rod length(mm)	1000
Max. lifting power(N)	4200
Working pressure(mpa)	0.5~0.7
Air consumption (m3/min)	3.5~5
Speed of rotator(r/min)	0~90
Motor power(kw)	3
Weight(kg)	175