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XR280E Rotary Drilling Rig

Applications: The XR280E rotary drill rig is used in the piling constructions.


Product Detail

Product Tags

Features

The XR280E rotary drill rig enjoys the following features.
- (1) It adopts Volvo electrically controlled turbo engine with high power and low fuel consumption.
- (2) Equipped with H-type hydraulic telescopic undercarriage to ensure the large diameter slewing support as well as super stability and convenient transportation.
- (3) Main and auxiliary winch adopt single-row rope technology, so the life of wire rope is 2~4 times longer than that of multi-layers rope and usage cost is much lower.
- (4) Hydraulic system adopts load sensing technology, superposition total power control and extreme power control technology. It makes hydraulic system more efficient and energy-saving. Independent radiator system ensures higher heat dissipation efficiency.
- (5) Intelligent control system makes these functions realized, such as automatic adjustment and verticality display of mast, automatic rotation, automatic soil dumping, dynamic lifting cast-in-place, pile type display functions under CFA method, and so on. Bus panel design prevents mis-operation effectively.

Introduction

As a high-efficiency machine, XR280E can realize the quick switching of functions such as crowd cylinder, crowd winch, CFA and dual rotary drive to meet various construction needs.

Specification of XR280E Rotary Drill Rig

 

Description

US Units

Metric Units

Max. drilling diameter

Crowd cylinder

98.5in

Φ2500mm

Crowd winch

90.5in

Φ2300mm

Max. drilling depth

200ft (256ft)

61(78m)

Working height

82.7ft

25.2m

Working weight (excluding drilling tool)

220,500lbs

100t (incl. kelly bar 15t)

Luffing

Working range

13.78~15.10ft

4200~4600mm

Rotary drive

Torque

221,100lbf-ft

300kN·m

Speed

6~27 r/min

Spin-off (optional)

40 r/min

Crowd cylinder

Crowd force

58,500 lbf

260kN

Lifting force

74,200 lbf

330kN

Stroke

19.6ft

6m

Crowd winch (optional)

Crowd force

74,200 lbf

330kN

Lifting force

74,200 lbf

330kN

Stroke

42.6ft

13m

Main winch

Lifting force

74,200lbf

330kN

Max. speed

246 ft/min

75m/min

Engine

Model

TAD1352VE

Power

423hp

315kW

Speed

1900r/min

 

Emission standard

Euro IV

List of World-Famous Main Parts

Item

Brand

Original

Engine

Volvo

Sweden

Main hydraulic pump

Rexroth

Germany

Main hydraulic valve

Rexroth

Germany

Pilot control handle, foot valve

Eaton

Korea

Rotary drive bearing

NSK

Japan

Rotary drive gear reducer

Bonfiglioli

Italy

Main winch motor

Rexroth

Germany

Main winch gear reducer

Rexroth

Germany

Controller

Rexroth

Germany

Travelling reducer

Doosan

Korea

Solenoid valve

Eaton

USA

Proportional valve

Thomas

Germany

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