|
Item
|
Value
|
Unit
|
|
Model
|
SR280R
|
-
|
|
Max. Output Torque
|
280
|
kN·m
|
|
Max. Drilling Diameter
|
2800
|
mm
|
|
Max. Drilling Depth (Friction Kelly Bar)
|
87
|
m
|
|
Max. Drilling Depth (Interlocking Kelly Bar)
|
58
|
m
|
|
Rotary Head Speed
|
7–28
|
rpm
|
|
Max. Crowd Force
|
250
|
kN
|
|
Max. Pull-out Force
|
330
|
kN
|
|
Operating Weight
|
82000
|
kg
|
|
Engine Model
|
Cummins QSM11-C400 (High Power)
|
-
|
|
Rated Power
|
298 @ 2050
|
kW / rpm
|
|
Main Winch Lifting Capacity
|
260
|
kN
|
|
Main Winch Max. Lifting Speed
|
65
|
m/min
|
Outstanding rock penetration capacity SANY SR280R Rotary Drilling Rig
Description
Detailed description
Description
Outstanding power and rock penetrating ability
280kN · m high torque+300kN main winch+210kN pressure, high drilling efficiency in hard rock.
Rock adaptive technology: automatic matching of torque, speed, and pressure, making hard rock construction more stable and faster.
Stable and reliable, with a durable structure
The Sany special chassis (SY460R) has a low center of gravity, wide width, and strong construction stability.
New power head buffer device: shock absorption capacity increased by 4.3 times, motor/reducer life extended by 3 times.
Reinforced mast: high rigidity, anti fatigue, certified through fatigue testing.
Efficient, intelligent, and easy to operate
The main winch operates at 65m/min, with fast lifting and high hole forming efficiency.
Intelligent electronic control+self diagnostic alarm: real-time monitoring of faults, easy maintenance.
Single layer rope drum: Steel wire rope has a long service life and low failure rate.
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