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Zoomlion ZR220C Rotary Drilling Rig

Zoomlion ZR220C Rotary Drilling Rig

Product Feature

Rotary Drilling Rig ZR220C

• Zoomlion’s specific-use in-house telescopic-crawler undercarriage is used to achieve superior stability and transport convenience.
• The over-loading proof device of the crowding system can protect the Kelly bar effectively and fully make use of capacity of the machine to ensure verticality of the borehole.
• Pilot and proportionally controlled hydraulic systems, load-sensing or negative-flow controlled main pump or auxiliary pump systems with high control accuracy help to achieve high efficiency and less energy loss;
• Zoomlion's patented high-accuracy depth measurement device whose accuracy is several times better than domestic or international competitions is used for automatic measurement;
• Drilling tools for different purposes with different specifications such as long or short augers, generic-use drilling buckets and core barrels, etc, are equipped to satisfy construction requirements in different geological conditions.        

Product Parameter

NAMESPEC.
Torque(KN.M)220
Drilling Diameter(mm)2000
Drilling Depth(m)inter-locking56
Friction70
Drilling Speed(r/min)7-26
Engine ModelCummins QSL9
Rated Power(kw)242
Rated Engine Speed(r/min)2000
Max.Crowd Force(kN)180
Max.Crowd Cylinder Pull(kN)200
Line Pull(main winch)(kN)220
Line Speed(main winch)(m/min)70
Line Pull(aux.winch)(kN)110
Line Speed(aux.winch)(m/min)66
Operating Mass(t)80
Traction Force(kN)423
Diesel Tank(L)68
Rope diameter(Main winch)(mm)32
Rope diameter(auxiliary winch)(mm)22

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