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Rotary Drilling Rig ZR280C-2
  • Rotary drive with three motors, which ensures large torque, high reserve coefficient and stronger construction capacity.

  • High construction efficiency due to big flow main pump, multi-gear rotary drive, and two-speed crowd cylinder.

  • More stable structure and stronger bearing capacity due to large supporting angle of the mast cylinder, lower center of gravity, and reinforced chassis.

  • New generation cab with better vision, more comfortable operation, new electrical control panel. 360 degree full view monitoring.

  • Options:5th generation rotary drive,  auto-lubrication,  spin-off.

PARAMETERS
NAMESPEC.
Torque(KN.M)280
Drilling Diameter(mm)2500
Drilling Depth(m)inter-locking58/62
Friction88/94
Drilling Speed(r/min)5~28
Engine ModelCummins QSM11
Rated Power(kw)298
Rated Engine Speed(r/min)2100
Max.Crowd Force(kN)260
Max.Crowd Cylinder Pull(kN)260
Line Pull(main winch)(kN)290
Line Speed(main winch)(m/min)68
Line Pull(aux.winch)(kN)90
Line Speed(aux.winch)(m/min)66
Operating Mass(t)93
Traction Force(kN)557
Rope diameter(Main winch)(mm)32
Rope diameter(auxiliary winch)(mm)22
Construction Case Picture
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