Pit & Quarry Weekly Report

MAY 16, 2019

PRODUCER SPOTLIGHT

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Graniterock’s monumentally mobile crusher

When demand for aggregate skyrocketed, Aromas, California-based Graniterock needed to find a solution – one that would also fit the company’s mining plan. Read more about the company's investment in a self-propelled rubber tire crusher.

FEATURES

Starting up your operation this spring

Spring is here, and crushing plants are warming up or are already back up and running. Take a look at some tips for ensuring your site's success this year.

Simplifying the crushing process

Check out a breakdown of the fundamental details you should know about crushing to ensure your operation has the proper machinery.

Tips to maximize crushing efficiency

Efficiency can be defined by the ratio of a machine’s work to the energy supplied to the machine. To keep your site crushing efficiently and reduce the number of fines produced, here are some tips and best practices to follow.

Big crushing developments from Bauma

Global Haver & Boecker brand brings crushing, screening innovation

Screen Machine introduces compact line of portable crushing, screening equipment

A LOOK BACK

Austin Manufacturing Co. featured this massive gyratory rock crusher in its advertisement appearing in the May 1919 edition of Pit & Quarry. According to the ad, crushers from Austin Manufacturing ranged in capacity from 50 to 5,000 tpd.

An article titled, “Three great southern quarries” from the September 1918 edition of Pit & Quarry featured this crushing plant from the W.W. Boxley & Co. quarry in Blue Ridge, Virginia. Pictured are tracked loading bins ready to take crushed stone away. In February 2019, P&Q covered the now-Boxley Materials operation and its versatile mobile equipment.

FROM THE MAGAZINE

view the latest digital edition of Pit & Quarry magazine

How producers, manufacturers prioritize employee safety

Safety is the focus in protecting manufacturer’s employees and for the producers who incorporate new tech into their operations.

Equipment supply-and-demand conundrums

Manufacturers are getting creative to meet the needs of producers who are increasingly pressed for heavy machinery, processing equipment and parts.

INDUSTRY RESOURCES

Association of Equipment Manufacturers

National Stone, Sand & Gravel Association

Portable Plants magazine

U.S. Geological Survey

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