DTH drill bit is the main component of DTH Drill Pipe. It is a tool that transfers impact energy and directly contacts the rock for blasting. During the whole operation process of the drill bit, the force is very complicated, so there are high requirements for the material and shape of the drill bit.
Down-the-hole drill bits are used in earthwork, mining, water well drilling, and construction engineering. However, the down-the-hole drill bit always falls off during the construction process, and the impactor always fails to block the down-the-hole drill bit. The reason is originally because of it.
The front joint of the impactor cannot jam the drill bit mainly because the root of the flat key of the down-the-hole drill bit wears out prematurely, and the down-the-hole drill bit is easy to fall off and fall into the hole during rock drilling. The premature wear of the flat key root of the down-the-hole drill bit during rock drilling is generally caused by the soft rock formation, poor straightness of the hole formation, and the hollow hammer of the down-the-hole drill bit, which causes the impact stroke of the down-the-hole drill bit to be too long. In this case, the use of a perfectly produced down-the-hole drill bit can prevent the down-the-hole drill bit from falling off and falling into the air due to the wear of the flat key root of the down-the-hole drill bit.
After we understand the cause of the Top Hammer Drilling Tools falling off, the selection of the drill bit must meet the construction conditions of the formation, which is also an important point for improving work efficiency.