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FAQ
- On the cleaning of rotary drilling rig
- Or pump in the mud to clear the holeAfter the end of the hole pile hole drill, will increase 10 20m, using a large amount of pump pump performance meet the new requirements of the mud, and maintain the normal circulation of more than 30min, a clear hole end condition: Pan orifice mud hand twist basic block slag, measured the hole depth and the actual drilling depth error in 30 when in.Test of deposit thickness (friction pile 300mm), mud index (relative density: 1.03 ~ 1.10; viscosity: 17 ~ 20Pa.s; the sand rate < 2%) to meet the design requirements before the proposed drilling rig
- What is a rotary drill for?
- The unique power system, flexible moving mode, easy to learn operation, unique way of unloading sediment, and the diversity of functions are unique.
- Why not use rotary drilling rig instead of manual digging pile?
- It is time the project team in general when digging and construction engineering team can.
- How long is the auger type 360?
- The thickness of each drill string is controlled sequentially. Extend from coarse to fine. Retract from thin to thick.
- What is the minimum drilling diameter of the Sany SR150C rotary drilling rig?
- The minimum drilling diameter of Sany SR150C rotary drilling rig is 800 mm.
- Rotary drilling rig how telescopic, I mean, what power so that it extends out of step by level, it extends out in a certain order?
- The drill rod of the rotary drilling machine is now extended from the lower part of the hoist, the steel wire extends out, and the hoisting rope is retracted. But some rotary drills can be extended either by a crane or by gravity. It extends in the first order, the next second, and then the third, the last, the fourth, and the fifth. During drilling, it is stretched by gravity and bit by bit with the drilling depth. Rotary drilling rig in the multi-functional areas to improve, and it is not necessary to complex conversion can be converted to another device, it is worth studying.
- What material steel pipe do the drill pipe use?
- Commonly used materials for geological drill pipe are DZ40, DZ50, DZ60, R780 and other geological drilling seamless steel pipe. Seamless steel pipe for drilling pipe, which is used for petroleum drilling pipe in petroleum industry. General parameters of seamless steel pipe for drilling rod.
- How can the rotary drilling rig not be pulled out of the ground?
- What you describe is not very thin, but the long retaining cylinder, pumping, excavation, lifting (large crane or Jack) is a common method
