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Electric DTH (down-the-hole) Drilling Rig
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| Model No. : | LDD-70 |
|---|
Lead Equipment Co., Ltd.
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Product description
LDD-70 electric DTH (down-the-hole) drilling rig
Feature:
LDD-70 electric small rock borehole drilling rig is a convenient compact electric down-the-hole(DTH) drill, it has many advantages, such as high efficiency, flexible movement, easy operation, low initial investment, and good economic benefits and so on.
Feature:
LDD-70 electric small rock borehole drilling rig is a convenient compact electric down-the-hole(DTH) drill, it has many advantages, such as high efficiency, flexible movement, easy operation, low initial investment, and good economic benefits and so on.
| model | LDD-70 |
| bore diameter (mm) | 60-75 |
| bore depth (m) | ≤ 20 |
| rock hardness | f=6-20 |
| impactor (mm) | 70 |
| pressure (mpa) | 0.5-0.7 |
| air consumption (m³ /min) | 3.5-5 |
| rotating speed (r/min) | 90 |
| pushing length (m) | 1 |
| max. lifting force (kg) | 8 |
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