Percussion Reverse Circulation Drilling Rig
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, CJF-15
The CJF-15 percussion reverse circulation drilling rig is your rig of choice for deep foundation projects. To be specific, it is mainly used in large diameter cast-in-place pile construction and underground diaphragm wall construction for high rise building, water dam and bridge. The percussion drilling equipment is suitable for complex formations, featured by high drilling efficiency in gravel and rock formations.
Based on state of the art reverse circulation drilling process, the drilling rig comes with drastic boosting of efficiency and reducing of drill bit wear. Drill mast folds up and down quickly by means of hydraulic control. Hydraulic moving mechanism is also optional for easy movement.
Technical Parameters| CJF-15 Percussion Reverse Circulation Drilling Rig | |
| Rated drilling diameter | 1.5 m |
| Rated drilling depth | 80 m |
| Rated drill bit weight | 2.5 t |
| Drill bit impact stroke | 1m |
| Drill bit impact frequency | 40 times/min |
| Main hoist hoisting capacity | 40 kN |
| Auxiliary hoist hoisting capacity | 30 kN |
| Hoisting speed | 35 m /min |
| Maximum mast load capacity | 200 kN |
| Effective height of mast | 8m |
| Hole clearing method | Direct and reverse circulation |
| Main power | 45 kW |
| Transportations size (not including moving mechanism) | 6.02x2.22x2.7 m |
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