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This Month's Issue

New Products

Robust, durable vibrating screen -

The McCloskey R230 vibrating screen has been designed to provide uncompromising production levels for heavy-duty operations.

Boom system with broad swing -

Astec Industries subsidiary Breaker Technology has released a new boom system – the Copperhead.

Convertible VSI crusher -

The Trio TV95 vertical shaft impact crusher features multiple crushing chamber designs.

Double the screening efficiency -

The Sandvik QA451 mobile tracked screen offers the efficiency of two screenboxes in a single machine.

High impact wearing compound -

Loctite’s Nordbak high impact wearing compound improves the wear life of quarry processing equipment.

In-Depth

Cost, productivity optimisation through blast planning, scheduling -

An optimised blast plan developed between one of Australia’s largest aggregate companies and a multinational explosives supplier at a Queensland quarry has delivered significant improvements to the operation’s annual extraction plan. Karen Normanton outlines how the two parties were able to optimise blast performance, improve size and shape and reduce costs per tonne of rock. Subscription required.

News

Quarry policy priorities highlighted ahead of election -

An upcoming state government election has provided the peak body for Australia’s heavy construction materials with an opportunity to highlight important policy priorities for the industry.

Reward program extended for excavator, loader customers -

An equipment supplier program that provides additional benefits with all purchases of wheel loaders and excavators has been extended.

IQA members gain insight into dimension stone -

A recent site tour introduced a number of IQA members to the world of dimension stone quarrying.

Building materials multinational reports mixed results for Australia -

A global building materials supplier has reported a decrease in net sales and operating profit for 2014, with Australia and the wider Asia-Pacific region showing a similarly weak performance for the year.

S-series mobile cone crushers make Australian debut -

Sandvik Construction is expanding its mobile crusher portfolio with the introduction of the new QS441 and QS331 track-mounted cone crushers, targeted at the most demanding of maggregate producers.

Drilling through the lavascape -

A US demolition company is showing that volcanic rock in the Hawaiian archipelago is no obstacle to a successful drilling operation. Subscription required.

Editor's Comment

Industry voice in the infrastructure debate well overdue -

With up to $125 billion of future infrastructure investment in the pipeline, Damian Christie asks: Where is the activity to match the funding? And does the quarry industry need to take a lead in advocating worthy infrastructure projects?

What's New

Tuesday, 03 March, 2015 01:57am
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