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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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Clutch Brake Suitable for Mining Applications


Force Control Industries has introduced the Size 30 Posidyne clutch brake, featuring its oil shear technology that can be operated as a clutch only for applications such as pumps or fans or as a clutch brake for cycling or indexing applications.

The clutch brake, according to the company, accelerates or decelerates high inertia loads without wear on friction discs. The Size 30, which provides smooth acceleration or deceleration through the oil shear technology, is claimed to be ideal for mining applications such as undergrouind or load-out conveyor systems, and bulk loading applications such as rail car dumpers, portside conveyors and other critical applications.
www.forcecontrol.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...