جهاز الحفر الدوراني XCMG XR220D، قابل للتكيف مع الظروف الجيولوجية المعقدة

Powerful and high torque, suitable for complex geological conditions

220kN · m torque+242kW Cummins power, high drilling efficiency in hard soil, strongly weathered rock, and gravel layers, and less likely to get stuck.
Full power matching+Kawasaki main pump, fast hydraulic response, smooth composite action, and 15% -20% higher efficiency than older models of the same level.

Strong pore forming ability, preferred for deep hole large piles

With a diameter of 2m and a depth of 64m, it covers the vast majority of building, bridge, and high-speed railway pile foundation needs.
Supports dual configuration of friction bar/machine lock bar, with friction bar for soft soil (faster) and machine lock for hard rock (more stable).

Stable and precise, with guaranteed verticality

70t self weight+telescopic track+large diameter slewing support, strong working stability and good anti overturning ability.
Box type high-strength mast+parallelogram variable amplitude mechanism, with a large range of vertical adjustment and strong rigidity, and the verticality of the borehole can reach within 1/300.
Standard configuration includes automatic depth recording and real-time display of verticality, reducing manual errors.

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