Outstanding construction efficiency SR285 Rotary Drill Rig
Outstanding construction efficiency SR285 Rotary Drill Rig

Outstanding construction efficiency SR285 Rotary Drill Rig

Description

Item
Value
Unit
Model
SR285
-
Max. Output Torque
285
kN·m
Max. Drilling Diameter
2800
mm
Max. Drilling Depth (Friction Kelly Bar)
90
m
Max. Drilling Depth (Interlocking Kelly Bar)
62
m
Rotary Head Speed
6–28
rpm
Max. Crowd Force
260
kN
Max. Pull-out Force
340
kN
Operating Weight
85000
kg

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Detailed description

Description

Outstanding construction efficiency

The full stroke pressurized feed is stable, the power head torque output is continuously stable, the rock penetration is strong, the drilling and soil retrieval cycle speed is fast, the soft and hard formation bench footage is stable, and continuous day and night operations do not require frequent shutdowns for cooling.

High reliability of the whole machine

The core hydraulic components and reducer are equipped with sufficient redundancy, and the whole machine has undergone multi-stage shock absorption optimization, resulting in less rock drilling vibration and longer fatigue life of structural components. The pipeline layout is neat, with few minor faults such as leakage and internal leakage, and a high attendance rate for high-intensity construction in the field.

Excellent fuel economy

Multi gear intelligent power matching, automatic power reduction under no-load conditions, energy-saving mode activated in soft soil layers, automatic power increase under heavy loads, power distribution according to demand, and controllable fuel costs for long-term monthly operations.

 

 

 

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Suzhou Yingxin Engineering Machinery Co., Ltd. brochure

 

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