Drilling Rig Machine

for blasting hole use, high efficient HF140Y hammer drilling machine

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  • china hf140y crawler dth drilling rig, anchor drilling machine

    China Hf140y Crawler DTH Drilling Rig, Anchor Drilling Machine

    China Hf140y Crawler DTH Drilling Rig, Anchor Drilling Machine, Find Drill Hole Diameter: 115~140mm; Bit Type: DTH Hammer Bit; Hydraulic Pile 3. low air consumption, high efficiency, simple operation; 5. it is mainly used for open mining, highway, power station construction, slope drilling, soil nail drilling etc;

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  • drilling methods

    Drilling methods

    drilling is of paramount importance while doing bench blasting, demolition work and tunnelling. . Hammer in the hole. No hammer at all. Drilling methods and commonly used machinery High penetration rate in Not very energy efficient.

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  • basics of drilling 1 - slideshare

    Basics of drilling 1 - SlideShare

    Mar 13, 2012 Except in dimension stone quarrying, drilling andblasting are required in most Drilling is also used in surface mining for purposes other than providing blast- holes. to choose the most efficient method according to the particular rock hardness. . The high cost for hammer drilling is partly a result of lower

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  • blast hole drills | furukawa co.,ltd.

    Blast Hole Drills | Furukawa Co.,Ltd.

    Our Business Construction and Mining Machinery (Rock Drills)Section. - hydraulic drifter offer the ultimate drilling efficiency, can produce straight holes, and are Our pneumatic crawler drills are equipped with a silent, high- performance for setting blasting powder than crawler drills do using a down-the -hole hammer.

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