mini crawler drilling machine for soil testing, SPT testing

cralwer mini SPT testing drilling rig with capacity of 100m/nq capacity, suitable for soil testing, SPT testing

Mini Crawler  Drilling Rig.

Suitabble for diamond core drilling, carbide core drilling, SPT test drilling, small water well drilling, hydro exploration drilling.

Drilling Capacity   

1)    Hole diameter        75, 91,110,130,150 mm

2)    Drilling depth:              150,100,70,50,30 m

2.    Rod Dia.               42 mm

3.    Drilling Angle              90° ~ 75°

4     Rotary Unit

Spindle Speed (4 shift)  71,142,310,620 rpm

Spindle Stroke      450 mm

Max. spindle lifting speed without load 0.05 m/s

Max. spindle downward without load   0.067 m/s

Max. Feeding pressure:  15 kn

Max. lifting capacity:     25 kn                                              

Max. spindle output torque    1.25 kN.m

5.    Winch

Max. lifting capacity(single wire):              15 kn

Drum speed:          19,38,84,168 rpm

Diameter of the drum:          145 mm

Drum Circumferential velocity (two layers):       0.166,0.331,0.733,1.465 m/s

Drum diameter              140 mm

Diameter of the wire rope:           9.3 m

6.    Hydraulic Oil Pump     

Rated pressure:      8 MPa

Flow:      8 ml/r

4)    Rated speed:   1500 rpm

7.    Power    

Diesel Engine 12.1 kw/2000 rpm

mini crawler drilling machine for soil testing, SPT testing