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Search Results - July 2011

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Figure 1. Side profile of the Uni tronic blasted rock pile.

Drill & Blast
The Effects of Accelerated Blast Timing on Primary Crusher Throughput

Can a blast using accelerated initiation timing provide quarries with enough data to make significant production improvements in throughput? Reza Ghaemi, Frank Santoro and Alan Tucker explore the results of a trial at the Lake Cooper Quarry, in Victoria’s north west. Read more »
The PowerROC uses the COP logic drilling control sytem to adjust drilling parameters in real time.

Drill & Blast
Surface driller goes back to basics

As part of a major product line overhaul, the PowerROC drill rig retains the simplicity of a manually operated rig - but boasts the electronics, sensors and the modern look and feel of its ROC “family” counterparts.  Read more »
Xcel's new Sandvik' DP1100i drill was first commissioned at Higginsville gold mine, in WA's eastern goldfields, in March 2011.

Industry News
Quarry contractor opts for new drilling technology

Western Australia’s fastest growing quarry drilling contractor is investing heavily in the latest drilling technology to maintain its leadership position. Read more »

New Products
Lightning rods live up to name

Boart Longyear, a leading supplier of integrated drilling products and services, has expanded its line of rock drill and blast products with the new Lightning Rod series. Read more »

Industry News
Improving security, accountability of explosives

As explosives become safer and simpler to use, so the potential to make them more secure and accountable also improves. John Moore discusses the latest innovations that ensure explosives do not – and will not – fall into the wrong hands. Read more »
Atlas Copco PowerROC T35.

Drill & Blast
Drill rig meets all its forecasts

For Queensland drilling contractor Jason Donnelly, the Atlas Copco PowerROC T35 tophammer production drill rig has matched the manufacturer’s forecasts. Its performance has been as consistent as the Sunshine State’s renowned (mostly glorious) weather. Read more »
EDGE is a device for continuous monitoring that can be fitted to all types of drill rigs.

Plant & Equipment
Drill monitor for DTH drilling

Atlas Copco has revolutionised down-the-hole (DTH) hammer drilling by providing a simple graphical display to show the driller what is happening with the hammer and, therefore, the bit at the bottom of the hole. Read more »
Sandvik's DI550.

Industry News
Compact drill rig for smaller quarries

ConExpo-ConAgg 2011 in Las Vegas in March this year marked the launch in North America of the DI550, the first of Sandvik’s latest generation of down-the-hole (DTH) drill rigs. Read more »
A quarry scape as seen before a wet blast.

Drill & Blast
Assessing water influence on drop cut blasting

Water is an all too often overlooked parameter in the blast design process and can, in turn, negatively impact the other blasting parameters. Shane Slaughter explains the roles of water and blast design and how water influence can be mitigated. Read more »
Penelope Resources employees are trained and experienced in quarry operations.

Hire business fills labour, training demands

A labour hire service with a difference offers welcome, skilled relief for quarries. Read more »
Three Chinese officials inspect a completed road construction project - or do they?

The Odd Rock: The road inspection that wasn’t

Chinese provincial officials have been left red-faced after a photo of a road inspection went viral. Read more »
Professor Quentin Grafton: New chief economist for BREE

New chief economist for resources and energy

Professor Quentin Grafton is the inaugural chief economist of the new Bureau of Resource and Energy Economics (BREE), an independent agency within the Federal Department of Resources, Energy and Tourism. Read more »


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