roue de pompe de boue en gros
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.
2. Percussive Drills These drills utilize a hammering action to break rock apart, making them effective for hard materials. They are often used for both surface and underground mining operations.
The following matters should be paid attention to during the use of the drilling rig, and the correct use can bring greater benefits
The following matters should be paid attention to during the use of the drilling rig, and the correct use can bring greater benefits