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2022
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07
Demand Market and Maintenance of DTH Bits
Where is the demand market and direction of DTH drill bits? With the continuous rise of fuel prices, the operating efficiency of construction machinery has become a very important indicator in engineering projects. The selection of high-efficiency rock drilling machinery requires the configuration of high-quality and efficient rock drilling tools. In order to improve the drilling efficiency of the drilling tool and the service life of the drill bit, the research and development team with a large number of instruments also made some adjustments to the structure of the medium and high pressure down-the-hole drill bit, such as some adjustments to the tooth structure of the column teeth on the end face of the drill bit.
DTH BITWhere is the demand market and direction?
With the continuous rise of fuel prices, the operating efficiency of construction machinery has become a very important indicator in engineering projects. The selection of high-efficiency rock drilling machinery requires the configuration of high-quality and efficient rock drilling tools.
In order to improve the drilling efficiency of the drilling tool and the service life of the drill bit, the research and development team with a large number of instruments also made some adjustments to the structure of the medium and high pressure down-the-hole drill bit, such as some adjustments to the tooth structure of the column teeth on the end face of the drill bit. In order to improve the drilling speed, increase the height of the exposed teeth, facilitate the rapid removal of chips, reduce the secondary damage rate, and also make the drill alloy teeth easy to grind. Shorten the length of the top of the drill bit to avoid sticking, broken shank and falling off of the top block. At the same time, the fatigue strength requirements for the steel of medium and high wind pressure DTH drill bits are also more stringent.
The R & D team with a large number of meters adheres to the spirit of ingenuity, keeps pace with the times, keeps up with the times and market demand, and mass produces high quality DTH drill bits, which adds to the rapid development of the rock drilling industry.
DTH drill maintenance attention?
DTH drills tend to develop wear patterns due to actual drilling conditions or incorrect operation of the drill bit. If it is not judged in advance, regrinding before the wear cycle arrives, it will result in poor or premature drill performance. In case of failure, effective maintenance of the DTH bit can reduce the loss of effect to a certain extent.
The main performance are:
1. exhaust pipe and impact end
Make sure the exhaust pipe is damaged. Usually caused by straight line deviations from piston or cylinder wear, lack of lubrication can lead to extraction and water corrosion.
2. drill bit
The wear of the spline groove at the bottom of the drill often occurs in the abrasive bottom layer.
In highly abrasive formations, the bit body typically wears faster than the alloy teeth.
DTH BITThe main failure modes are chipping and cracking, while wear is the secondary failure mode. The collapse and crack of the drill bit are mainly caused by unreasonable carburizing process, too deep seepage layer, too high carbon concentration, coarse quenching structure, low hardness of matrix structure after quenching, and too much residual austenite on the surface.
Multi-brand meter down-the-hole drill bit adopts low-concentration carburizing high-temperature tempering once quenching low-temperature tempering process, which can better solve the problem of block collapse in the use of high-pressure down-the-hole drill bit.
In choosing multi-brandDTH BITAt the same time, we will also explain in detail the problems that may occur at each stage for users.
Due to the late start of China's mining machinery industry, there is no good processing technology and supporting industry support, so it has been following the imitation of foreign advanced equipment, lack of self-help innovation and technological innovation, many domestic enterprises supply equipment or use foreign relatively backward technology. However, with the progress of domestic technology, domestic enterprises attach importance to independent innovation, and increase the investment and attention to scientific research and technological innovation, the products made in China have attracted more and more attention from the world.
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