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Rotary drilling rig£¬pilingmachine

Rotary drilling rig

Rotary drilling rigs are designed to excavate holes through boulder, unconsolidated formations or bedrock. The drilling rigs are usually used for boreholes drilling on pile foundation projects, such as the base construction of railway bridges, road bridges, public works bridges and large buildings. Our rotary drilling rigs are manufactured with industry standard. We provide high quality drilling equipment to our esteemed clients.

 

Rotary drilling rig£¬pilingmachine Rotary drilling rig£¬pilingmachine Rotary drilling rig£¬pilingmachine
Rotary drilling rig£¬pilingmachine Rotary drilling rig£¬pilingmachine Rotary drilling rig£¬pilingmachine
Rotary drilling rig£¬pilingmachine Rotary drilling rig£¬pilingmachine Rotary drilling rig£¬pilingmachine
 
Details  
Features

1.Characteristics of this drilling equipment include precision engineering, sturdy construction, high efficient, low energy consumption, excellent performance and longer service life.
2.Rotary drilling rigs undergo several tests on well-defined parameters to ensure their flawlessness and optimum quality.

3.The compressors of the drilling rigs are double-filtered to remove residual oil.
4.The sampler is driven by a free fall winch, saving time with the drill rod method. The sampler may be mounted on drill rods if necessary.
5.Rotary drilling rigs have the capacity to dig a deeper hole in unconsolidated formations with the drilling equipment and drive method.
6.Rotary bits are cooled during cutting by injecting high-flow air, which also evacuate rock cuttings from the borehole and stabilize the borehole while drilling.
7.The high flow can constantly clean the bottom of the boreholes, which allow for consistent contact between drill bit and bedrock.

Single start and Double start design.

Drilling Tools
Rock auger
Rock bucket Soil auger Soil bucket Core barrel Belling auger
Main technical Specification

Model

SD20

SD25

SD28

Drilling tower

Tower height(mm)

21500

21500

2287

Weight(without drilling tools)(t)

60

65

73

Cylinder pressure system

Cylinder stroke(mm)

5700

5700

5700

Cylinder pressure force (kN)

200

250

250

Cylinder pulling force (kN)

200

250

250

Main hoist

Single line pull (kN)

180

250

250

Single line pull (kN)

26

28

30

Line speed max. (m/min)

60

60

65

Auxiliary hoist

Single line pull (kN)

75

75

75

Rope diameter (mm)

18

18

18

Line speed max. (m/min)

45

50

45

Drilling parameter

Bore of diameter (cased)

1500

1600

1800

Bore of diameter (uncased)

1800

2000

2400

Power unit

Power unit model

KDK200

KDK250

KDK280

Revolution torque(kN.m)

200

250

286

Revolution speed(r/min)

8~30

5~25

6~30

Line height max.(mm)

7220

7220

12200

 

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Office address: No.36 DingJiaBang, Changshu, Jiangsu, China

Post code: 215500
Email: busi02@agrostar.com.cn     (Sales)
Email: edward@agrostar.com.cn    (Director)
Skype: edwardshen11
Tel: +86 512 52819133Fax: +86 512 52823655