Structural reinforcement SANY SR405R Rotary Drilling Rig

Advantages of rock construction

405kN · m high torque power head, 320kN compression, 335kN pulling force, strong cutting ability for moderately weathered rock and thick pebble layers, and a 25% increase in rock penetration efficiency
The maximum pile diameter is 2.8m, and the maximum depth of the friction rod is 106m, suitable for large-diameter and ultra deep pile foundation engineering
The sixth generation high-strength drill rod, with thickened and reinforced structure, is impact resistant and not easily deformed, and has high durability for long-term hard rock construction
400kN heavy-duty main winch, lifting speed of 75m/min, strong ability to rescue from buried and collapsed holes

Efficient power advantage

A 377kW high-power engine paired with a large displacement main pump ensures smooth compound operation and a 17% increase in overall construction efficiency+
Multi speed power adaptive for soil layer/gravel/hard rock, with power output matching the formation, without fatigue or wasting fuel consumption

Stable and durable advantages

The whole machine weighs 131 tons, with widened heavy-duty tracks and a low center of gravity. It does not shake during deep hole and large pile construction
Thickened box type mast, heavy-duty structural components, designed for a lifespan of 20000 hours, and not prone to cracking during continuous long-term operation
Single layer sinking winch+pre tensioning patent for steel wire rope, no disorderly rope compression, and a 35% increase in steel wire rope life

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