Rotary Drilling Rig Prakla RB 40

The series of RB 40 Universal Rotary Drilling Rigs has been completely reworked and upgraded, technically as well as power-wise.
The PRAKLA RB 40 Universal Drilling Rig enables each user to drill with the following methods, with borehole diameters of 4″ (108 mm) to 40″ (1016 mm) and drilling depths up to 700 m.

  • Rotary-drilling with direct circulation
  • Rotary-drilling with reverse circulation
  • Auger drilling
  • Percussion core drilling
  • Wire-line core drilling
  • Down-The-Hole hamemr drilling
  • Free-fall drilling

Drill Rig Prakla RB 40 [pdf, 1.75 Мб]

Prakla RB 40

Technical Data

Chassis
3-axle truck 6 x 6
e.g. MAN, TGA 33.430 424 HP
Mast
Mast height aGL 44 ft
Casing installation height 26 ft
Free working height power swivel 23.6 ft
Regular operational hook load 67,440 lbf
Max. permissible hook load 78,860 lbf
Feed device (hydr. cylinder)
Push-down / Pull-back force 15,700 / 33,720 lbf
Feed speed 0-2.6 ft/sec
Power swivel
gear select, 3 speeds
Torque at 0 – 62 rpm 16,816 lbf-ft
Torque at 0 – 120 rpm 8,556 lbf-ft
Torque at 0 – 240 rpm 4.200 lbf-ft
I.D. hollow shaft 5 7/8″
Carrying capacity 123,650 lbf
Draw works
Line pull 1st layer 14,837 lbf
Line pull (6-fold crane block) 78,680 lbf
Wire rope diameter / Rope length 5/8″ / 295 ft
Coring winch / sand winch
Line pull 1st layer 4,500 lbf
Wire rope diameter / Rope length 5/16″ / 2,625 ft
Piston mud pump Duplex 5″ x 6″
Discharge capacity 180 gal/min
Operating pressure 305 psi
Centrifugal mud pump Mission Magnum 4″x3″x13″
Discharge capacity 793 gal/min
Operating pressure 101 psi
Compressor
1 Stage, Screw type Atlas Copco XAH 4
Discharge capacity 466 cfm
Operating pressure 203 psi

Further alternatives acc. to customer specification after technical clarification.