BAUER BG 20 H (BT 60)

 

 

Overview

The BG 20 H rotary drilling rig is ideally suited for:

 

  • Drilling cased boreholes (installation of casing by rotary drive or optionally by hydraulic oscillator – both are powered by the drilling rig)
  • Drilling uncased deep boreholes that are stabilized by drilling fluids
  • Drilling boreholes with long hollow stem augers (CFA system), with or without kelly extensions
  • Special drilling systems, such as FOW piles, displacement piles, single mixing walls, and cutter soil mixing
  • The base carrier BT 60 is designed and built by Bauer Maschinen. The engine and hydraulic power pack are mounted in longitudinal direction. Such a construction principle ensures optimal air flow, low transport height, optimal cooling capacity at 40 degrees ambient temperature.

 

Specifications

BG 20 (BT 60) Specifications

 

Rotarty Drive KDK 200 K Metric   Standard  
Torque 200 kNm 147,520 lbs-ft
Max Speed of Rotation 33 rpm 33 rpm
Crowd System     
Chain Driven Crowd     
Crowd Force Push 260 kN 58,450 lbf
Crowd Force Pull 260 kN 58,450 lbf
Stroke (kelly bar system) 8600 mm 28.4 ft
Max. Stroke of Sledge 14530 mm 47.9 ft
Main Winch     
Line Pull (1st Layer) Effective 170 kN 38,218 lbf
Line Pull (1st Layer) Nominal 218 kN 49,008 lbf
Rope Diameter 26 mm 1.02 inch
Rope Length 66 m 216.5 ft
Max. Line Speed 56 m/min 183.7 ft/min
Auxiliary Winch     
Line Pull (1st Layer) Effective 55 kN 12,364 lbf
Line Pull (1st Layer) Nominal 70 kN 15,737 lbf
Rope Diameter 15 mm 0.59 inch
Rope Length 50 m 164.1 ft
Max. Line Speed 55 m/min 180.5 ft/min
Max. Pile Diameter 1500 mm 5 ft
Drilling Depth Standard 25 m 82 ft
Drilling Depth Max. 53.3 m 174.9 ft
Base Carrier     BT 60  
Engine     CAT C 7  
Rate Output ISO 3046-1 205 kW@1800 275 hp@1800
Hydraulic Power Output 146 kW 196 hp
Hydraulic Pressure 300 bar 4,351 psi
Operating Weight 61.5 t 135,608 lbs
Overall Height 19.1 m 62.7 ft

 

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