HT is a professional manufacturer for rotary drilling rig, hydraulic drilling rig, hydraulic rotary drilling rig.
700Nm is torque at the rotation speed of 150r/min, torque is in proportion to the rotation speed, if the rotation speed adjusted to 60-70r/min,its torque can become double.
Compared with old models such as HZ rig :
HZ rig uses mechanical transmission whose hydraulic cylinder stroke is only 45cm,our rig uses hydraulic transmission whose hydraulic cylinder stroke is 2m,for a 2m length pipe,our rig only needs one time for hydraulic pressure adding to press it down,but HZ rig needs 4-5 times for hydraulic pressure adding to press it down (labor intensity is big, operation is complicated)
Model |
DH180 |
Full Hydraulic Working Way |
Single hydraulic system |
Max Drilling Depth |
180m |
Max Drilling Diameter |
450mm |
Max Torque |
700 Nm |
Max Lifting Force |
50 Kn |
Weight |
1300Kg |
Power Source |
Diesel engine powered |
Main Machine Power |
25 Hp |
Drilling Angle |
0°- 90 ° |
Rotation Speed |
0-150 r/min (Continuously Variable Transmission) |
DH180 Working Video.
E80 working video in Youtube:
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