قدرة بناء قوية لجهاز الحفر الدوراني SANY SR405R

Strong construction capacity, suitable for large and deep piles

KN ・ m high torque+377kW high power engine, pebbles, moderately weathered rock, sludge layer, deep sea beach pile foundation;
The maximum hole diameter is 2.8m and the deep pile of hectometer level is applicable to high-speed railway, sea-crossing bridge, super high-rise real estate and large wharf foundation;
The sixth-generation 580 high-strength drill pipe has a strengthened structure, and the rock penetration capacity is increased by 25%. The hard rock construction efficiency is significantly higher than that of the same level.

Efficient and fuel-saving, fast cost recovery

The large-displacement main pump is matched with the compound action control, and the construction efficiency is increased by more than 17%; The main winch lifts the drill at a high speed of 75m/min, and the single-hole pile forming speed is faster;
The electronic control and energy saving of the whole machine is optimized, and the average annual fuel saving is 60000 – 120000 yuan. The cost can be recovered within one and a half years under most of the working conditions measured on the site.

Durable structure with low failure rate

Box-type mast+double boom luffing, anti-alternating impact, design life of structural parts 20000 hours;
Single-layer rope winding of the main winch, no extrusion and wear of the steel wire rope, service life increased by 35%;
Patented pre-tensioning of steel wire rope, preventing disordered rope and twisting and reducing replacement cost.

Intelligent operation and control, reducing operation threshold

S HD touch control large screen, pressure bench lock bar prompt function to avoid jamming and drill pipe wear;
Automatic roller drilling, adaptive rock entry mode, one-key stable cutting of hard rock;
Panoramic image, low-noise thermostatically sealed cab, not easy to fatigue after long-time operation;
AVECO APP remote monitoring: positioning, fuel consumption, fault warning, one-button repair.

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