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During the Top Hammer Drilling cutting process, because the stones, sand and stone cracks can bring about the stuck drill, so it is extremely important to utilize the drilling to dismiss frequently and wash the base of the hole.
DTH Hammer Drilling, like vehicles, require appropriate use and maintenance. The maintenance of the automobile is good. It could be opened for 400,000 kilometers. No vehicle may be used to get 10,000 kilometers.
A lot of folks don't understand using principles to begin DTH drilling tool operations, which is quite dangerous. Let us tell you some rules of use!
The roller cone bit has been widely used as a tool for drilling rock formations. Significant improvements in drill performance directly reduce drilling costs, especially in the last decade
Face convex type: This kind of DTH drill bit is divided into two types, single boss and double boss end face, the latter is mainly used for drill bit with larger diameter.
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