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To use the DTH hammer correctly and ensure the drilling speed and service life of the drill bit, the following points must be paid attention to: 1. Choose a DTH hammer according to rock conditions (h...
After installing the DTH drill pipe, the power frequency and the pointer on the frequency switch in the control box should show the same ratio. If they are different, a frequency conversion switch s...
In recent years, after a lot of engineering practice and trial and error, the DTH hammer has been designed, and the construction method has been provided, which solves the problem that DTH hammer ca...
Choosing the right type of DTH bit can effectively improve work efficiency, reduce costs and consumption, and speed up the progress of the project. DTH bit selection should consider these issues tec...
1. The use of high-efficiency auger rods should be within the rated drilling distance of the drilling rig. According to the technical parameters of the drilling distance and the drilling rig model, ...
In the early days when there was no drill pipe to lift the drilling machine, steel wire rope was used as the traction and guiding part. With the development of control technology, drill rods were de...