Boart Longyear’s Newest Jackleg Tops On-the-job Drill Comparison Test

By Jared Kessen

While many underground mines are looking to avoid handheld rock drills for the safety of the miners, there are still many mines in North America, for example, where jackleg drilling is a must. For these narrow-vein mines, located primarily in eastern Canada and throughout Mexico, cabbed jumbos, bolters and long-hole rigs are not feasible due to cost and size restraints, and these operations depend on handheld rock drills—a technology that has changed relatively little in more than 70 years.

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BKT Aims to Change the Game in Giant OTR Tire Market

After past years of increasingly severe supply and demand problems, culminating in 2012’s mind-boggling price and availability gyrations, the giant OTR tire market has settled down and today offers mine operators a stable platform for meeting their surface and underground tire needs. In fact, at last year’s OTR Tire conference sponsored by the U.S. Tire Industry Association, every member of an OTR tire manufacturers’ panel responded—almost in unison—with “No!” when presented with the question “Do you foresee shortages in any specific size or type of tire during the next year?”

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Truck Builders Support Fleet Optimization Efforts With New Tech

Understanding that many mine operators are opting to squeeze more hours from their haul trucks before making replacement purchases, original equipment manufacturers (OEMs) are looking at different ways to help them improve performance and lower their cost per ton.

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