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Mining Operations & Strategies

The bucketwheel excavators (BWEs) often used in surface mining of soft coal deposits are gigantic machines. With great size comes great punishment. BWEs must absorb a tremendous amount of impact...

Suppliers Report

For an industry that mostly measures its success in terms of the volume of rock blasted, hauled, processed into product and shipped, a growing dependency on an often-arcane tool such as software is...
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Explosion-proof Motors for Underground Mining


Baldor Electric, a member of the ABB group, offers totally enclosed explosion-proof motors for use in the dust-filled explosive atmosphere of underground mines.

Tight machining tolerances of the housings, bearing brackets, and the conduit box provide the explosion-proof integrity required by international agencies. Cast iron conduit box parts along with packing glands and protective hose connectors meet the requirements of ATEX, IEC, MSHA and other certifying agencies. The motor line meets or exceeds global high efficiency standards, provides up to 1,100 volt capability, and offers optional features such as special shaft configurations, double shaft extensions and flange mounting configurations.
www.abb.com

From the Editor

This month, E&MJ offers an in-depth report on Newmont Mining Corp. When gold prices started to decline, the company began to optimize operations and sell assets. Lowering operating costs allowed it to invest in operations during the downturn and now they are reaping the rewards.
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Exploration Roundup

Aston Bay Holdings has initiated at $C4 million field program at the Storm copper project on Somerset Island, Nunavut, Canada, where BHP Billiton can earn a 75% interest in the project by spending a...

This Month in Coal Mining

Contura Energy completed the previously announced acquisition of several core assets from Alpha Natural Resources (ANR), which was a key step for Alpha to emerge from Chapter 11 bankruptcy. Contura...