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SKU: XR280D Category:

XCMG Official 84ton Rotary Drilling Rig XR280D.

XR Series Rotary Drilling Rig stands for our company’s achievement in many years’ development and researches on piling machines, adopting advanced technology, both at home and abroad. With our company’s powerful machinery manufacturing capacity, it is specially designed to drill the pile hole with the big diameter and into hard—layers, fitting for layer conditions in most areas.

XCMG XR280D Rotary Drilling Rig widely used in the boring operation of the bored concrete pile in foundation engineering of highway, railways, bridges, ports, docks, and high-rise buildings.

Performance Characteristics:

* The special hydraulic chassis for the rotating drill with an extensible crawler is provided with excellent stability and is convenient to transport. The imported Cummins turbo—supercharged engine (meeting EU—III standard) is powerful, and has sufficient power reserve, which can be operated in the plateau. Its noise and emission meet the national standards. The constant power and the best output enable the complete machine to function at its best;

* The load—sensing technique is used in the hydraulic system to make it more efficiently and save more energy;

* The patented parallelogram articulation mechanism can work in a large area. The drill mast, which is designed inbox structure and made of the materials with high strength, has good rigidity and anti-distortion, guaranteeing the drilling accuracy. The hinge is provided with the bearing exempt from lubrication and can work freely. The slag can be discharged at any angle due to 3600 lifting and revolving;

* The intellectual controlling system, CAN bus and PLC with self-intellectual property right are used, including the automatic and manual regulation of the perpendicularity of the drill mast, automatic display of the drilling depth, automatic rotation positioning control, and intelligent fault diagnosis control;

* The machine adopts a single row rope for the main winch to figure out the wear of steel rope. extend the life—span. And high reliability;

* With infrared camera for observing the main winch, Manipulator can observe the state of steel rope at day and night in the cab;

* Standard centralized lubricating system, allowing easier maintenance;

* The complete machine has passed CE certification of T ü V Rheinland group.

Max.Drilling Diameter
Max.Drilling Depth(mm)88
Working condition L × W × H(mm)10770×4800×23146
Transportation condition L × W × H(mm)17380×3500×3520
Overall Drilling Weight(t)83
Model-CUMMINS QSM11-C400
Rated Power(kW)298/2100
Hydraulic System
Working pressure(MPa)35
Rotary Drive
Max. output torque(kN.m)280
Rotary speed(r/min)6~22
Spin off speed(r/min)90
Pull-Down Cylinder
Max.pull-down piston push(kN)210
Max.pull-down piston pull(kN)220
Max.pull-down piston stroke(mm)6000
Crowd Winch
Max.pull-down piston push(kN)210
Max.pull-down piston pull(kN)220
Max. pull-down piston stroke(mm)6000
Main Winch
Max.pulling force(kN)260
Max. single-rope speed(m/min)60
Diameter of the steel wire rope(mm)32
Auxiliary Winch
Max. Pulling force(kN)80
Max. single-rope speed(m/min)65
Diameter of the steel wire rope(mm)20
Drilling mast
Left/right inclination of mast(°)42464
Front inclination of mast(°)5
Rotary table slewing angle(°)360
Max. traveling speed(km/h)1.5
Max.grade ability(%)
Track shoe width(mm)800
Distance between tracks(mm)3500~4800
The length of crawler(mm)5052
Average ground pressure(kPa)102


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