perfuração de martelo de buraco submersível pdf

  • 1.Downhole drilling machine: When drilling a downhole gun hole with a aperture less than 150 mm, in addition to the application of a rock drill, it can also be used to drill a small diameter of 80 ~ 150 mm. When drilling a gun hole with a diameter of less than 70 mm in coal or softer mineral rock, it is generally used to drill or air drill, driven by a motor (or air motor) to drill the drill pipe, and the rock (coal) chips drilled out are discharged through the spiral groove on the drill pipe.
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    Tungsten is primarily used in the manufacturing of hard materials, such as tungsten carbide, which is widely utilized in cutting tools, abrasives, and various industrial applications. Consequently, the tungsten crusher is essential in industries including mining, metallurgy, and manufacturing. By efficiently crushing and processing tungsten ore, the tungsten crusher enables companies to obtain high-purity tungsten products.


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