DF20A-2BD Double Boom Jumbo

DF20A-2BD Double Boom Jumbo

This DF20A-2BD double boom drill rig is a kind of crawler drilling equipment typically used in tunneling construction of mining, metallurgy, water and electricity, railway, highway engineering, etc. It can work on face of the tunnel, roof, side and floor. In addition, this double boom drill rig can not only drill the blast hole, but also drill the bolt hole easily. Its drilling speed can reach 0.8-2 m/min.

1. This kind of crawler drilling equipment has a low center of gravity, great mobility, remarkable stability and great grade ability.
2. This double boom drill rig features compact structure, small external dimensions, low consumption, low noise, multiple function and high efficiency. Equipped with other rock drills, it can enormously enhance the drilling speed.

1. Compared with other drill machines, the delivery cycle of this kind of crawler drilling equipment is shorter, needing 60~90 days. And customized product requires 60~120 days.
2. Overseas customers can enjoy 24/7 after-sale service and dispatching service. We send professional engineers there to give technical instructions and maintenance. There is also components storage of this double boom drill rig there to supply timely.
3. This kind of crawler drilling equipment is stable to operate with no need of maintenance at front 2000 hours.

Maintenance and Repair
1. Please refer to service manual to maintain and take good care of this double boom drill rig to prolong the operating life.
2. Remember to refer to the components atlas to purchase parts of this crawler drilling equipment from the original supplier, in order to prolong the operating life.
3. The components are delivered along with the double boom drill rig.

Package and Transportation
This DF20A-2BD crawler drilling equipment is packed in nude by 40 foot container.

Technical Parameters of DF20A-2BD Double Boom Drill Rig

Item Unit DF20A-2BD
Drill Rod Speed m/min 0.8-2
Drill Rod Length m 3.05 (Standard)
Drill Rod Diameter mm 27-45
Hole Depth (Once) m 2.7
Applicable Section (WⅹH) m 2.5ⅹ2.5-5.5ⅹ4.5
Traveling Speed km/h 3
Grade Ability % 25
Equipped Rock Drill Type and Number   2ⅹHYD200
External Dimensions (LⅹWⅹH) m 7.95ⅹ1.35ⅹ1.6
Motor Power kw 45
Service Voltage V 380 or 660
Total Weight kg 9800
Drill Arm Type and Number   2ⅹZB2.9
Up/Down (°) 55/16
Swing Arm  Inner/Outer (°) 14/47
Compensation m 1.5
Rotation  Positive/Negative (°) 180/180
Propeller Type and Number   2ⅹTJ2.7
Down/Up (°) 105/15
Tilt Angle  Left/Right (°) 45/45

Founded in March, 2003, Nanchang Kama Co., Ltd specializes in research, development, production and sales of mining machinery in China. We have a specialized quality control department to conduct sample inspection of our mining machinery, and then the products can be put in storage after passing the test. So the quality is guaranteed. The mentioned double boom drill rig, a kind of crawler drilling equipment, is one of our company’s main products. If you are interested in this product, please enter our website and do not hesitate to contact us.

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