At the SME event in Minneapolis recently, Hecla Mining presented a paper in the Technical Program entitled Hecla’s Mobile Mechanical Vein Miner. After successful joint R&D efforts between Atlas Copco and Hecla Mining Company, the first order of Mobile Miner 40V was recently received. After successful joint R&D efforts between Atlas Copco and Hecla Mining Company, the first order of Mobile Miner 40V was recently received. Hecla’s Lucky Friday is an underground silver-lead-zinc mine that has been in operation for 75 years and produces from depths over 2.3 km below the surface. The Montanore project is located approximately five miles northeast of Noxon, Sanders County, Montana (about 50 miles north of the Lucky Friday mine in Idaho). Hecla’s Lucky Friday silver-zinc-lead mine has partnered with Epiroc to design, build, test, and deploy a mechanical miner, the Mobile Miner 40V, for primary ore production, which Hecla refers to as a Mobile Mechanical Vein Miner. Hecla acquired the Montanore project in September 2016 with the acquisition of Mines Management Inc.

Mobile Mechanical Vein Miner Mining Engineering Magazine , January 2018 This article describes how Hecla overcomes challenging engineering issues at the Lucky Friday Mine because it is one of the deepest mines in the Western Hemisphere.


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