2025-05-16
The rock type suitable for the top hammer drill mainly includes hard rock, which can be summarized as follows:
1. High hardness rock: top hammer drill bit is especially suitable for drilling hard rocks, such as limestone, granite, etc. The hardness of these rocks is high and requires a strong impact bit to drill effectively. Top hammer drill is the use of hydraulic rock drill provided by the impact, can meet the drilling needs of this kind of high hardness rock.
2. Medium hard rock: In addition to hard rock, the top hammer drill is also suitable for some medium hard rock drilling, such as sandstone. Although the hardness of this kind of rock is relatively low, it still needs a certain impact force and cutting ability to complete the drilling, and the top hammer drill also shows good performance in this respect.
It should be noted that while the top hammer drill bit is suitable for drilling hard and medium hard rocks, it may not be the best choice when facing softer geological environments such as mudstone, soft sandstone, etc. In these cases, percussive drills may be more suitable, as they generally have a higher drilling efficiency.
In general, the scope of application of the top hammer drill depends mainly on the hardness and brittleness of the rock. When selecting a drill bit, a comprehensive consideration should be made according to the specific working environment and rock type to ensure that the most suitable drill bit type is selected.
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