Blasthole drills: Better by design
In the upside-down world of blasthole drilling, success is measured not by how fast you rise to the top, but how quickly you can hit bottom. For most mine operators, the tools of choice for achieving this inverted objective are the large, crawler-mounted rotary drills that dot the benches of open-pit mines everywhere. The past five years or so have brought a gradual change in the landscape of the drill manufacturing industry. Some well-known lines have disappeared, others have been taken over in whole or in part, and yet other endure on the market fringe where equipment that was originally developed for nonmining applications, such as water-well drilling, has been adapted for mine production duty, particularly in coal operations.
- OSTI ID:
- 6938302
- Journal Information:
- Engineering and Mining Journal; (United States), Vol. 194:2; ISSN 0095-8948
- Country of Publication:
- United States
- Language:
- English
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