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Mining Operations & Strategies

Suppliers Report

For more than 30 years, the Hilliard Corp. has supplied braking systems for draglines, electric shovels, conveyors, mine hoists and mills. Now, the New York, USA-based company is set to unveil new...
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Mining Equipment Gallery

Marcotte Mining has completed development of an ultra-high scissor lift that the company said exceeds standard underground capabilities. Designed to provide a safe work platform for installation of...

Komatsu Loader is Tier 4i Certified

Komatsu America’s new WA320-7 wheel loader—replacing the WA320-6 and WA320PZ-6 models—is powered by a SAA6D107E-2 165-hp (123 kW) engine that is EPA Tier 4 Interim and EU Stage IIIB emission certified.

Komatsu says the 33,731-lb (15,300-kg) loader features improved efficiency, lower fuel consumption, more operator comfort, and enhanced serviceability to maximize productivity while lowering operating costs. It uses the company’s Parallel Z-bar (PZ) loader linkage to provide the benefits of parallel lifting for pallet moving and high tilt forces to handle large attachments. The PZ linkage also offers large break-out forces to make bucket filling easy and quick. Its lift force is increased by up to 10% compared with the WA320PZ-6 for improved digging performance. Automatic SmartLoader Logic helps save fuel by automatically decreasing engine torque when the loader isn’t working hard, such as when it is driving with an empty bucket. An electronically controlled HST drivetrain features the Komatsu Traction Control System, which enhances operation on soft or slippery ground. The machine is equipped with the exclusive Komatsu EMMS (Equipment Management Monitoring System), which provides enhanced diagnostic features that give the operator and technicians greater monitoring and troubleshooting capabilities. EMMS also continuously monitors all critical systems, as well as the planned maintenance schedule, and provides troubleshooting assistance to minimize diagnosis and repair time.

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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This Month in Coal Mining

An official for India’s state-owned producer Coal India Ltd. (CIL) revealed that 66 of its 123 most costly projects are facing some kind of delay as the country eyes a target of 20 billion metric...