Máy khoan xoay SUNWARD SWDM280 với khả năng khẩu độ lớn

Strong rock penetration and large aperture capability

With a high torque of 300kN · m and a strong pressure of 260kN, it can efficiently drill into hard rock formations such as moderately weathered and slightly weathered granite and limestone.
Construction capacity of 2.5m ultra large aperture, suitable for large-diameter pile foundations such as large bridges, high-speed railway stations, and super high-rise buildings.
Dual motor power head, stable torque output, low impact, and rock entry efficiency about 20% higher than Shanhe 220.

Stable and reliable deep pile construction

85 ton heavy-duty chassis+4.5m ultra wide tracks, low center of gravity, strong anti overturning ability.
High strength box type mast with 6-meter compression stroke, 86 meter deep pile with high verticality and no deviation from the hole.
Large parallelogram variable amplitude mechanism, stable 360 ° rotation, suitable for high-precision construction requirements.

Efficient and energy-saving, fast construction

The main winch has high lifting force and fast speed, coupled with a one click soil shaking function, greatly reducing the auxiliary time.
Cummins engine+Rexroth hydraulic, fast power response, good fuel economy, comprehensive energy saving of 10%~15%.
Step type drum design, single-layer winding of steel wire rope, no compression, longer service life.