Aggregates Manager

by Kerry Clines, Senior Editor Supply THE BIG BOYS OF CRUSHING These extra-large crushers, with production capacities of 700 tons per hour or greater, are not for the faint of heart. CEMCO, INC. Cemco says its Turbo 128 V-Twin VSI crusher is ideally suited for the production of 1 1/2-inch aggregate rock commonly used in concrete and is customizable for the production of several types of aggregate materials. The crusher is driven by a dual-drive V-Twin motor available with up to 900 horsepower. It weighs approximately 42,000 pounds and offers production capabilities of up to 1,000 tons per hour. Write 1 on reader card. WILLIAMS PATENT CRUSHER & PULVERIZER CO., INC. Williams Patent Crusher's Willpactor impact crusher, with a capacity of up to 2,500 tons per hour, was totally redesigned in 2004 with input from quarry operators. Medi- um chrome or manganese blow bars are indexable and easily replaced. The crusher's adjustable, solid impact block allows product gradation control and reduces problems resulting from bridging. Moving the hydraulic breaker plate adjustment allows bridged material to fall into the path of the blow bars without interrupting operation. Write 2 on reader card. MCLANAHAN CORP. McLanahan's Universal MaxCap impact crusher is available in three different primary impact crushing models with capacities of up to 2,000 tons per hour. It offers the large expan- sion crushing chamber of a New Holland-style impact, while using the replaceable hammer technol- ogy of the Andreas-style crusher to break rock. It is said to deliver a high-quality, cubical product at a lower cost per ton. Write 3 on reader card. HAZEMAG USA, INC. Hazemag says its primary impactors incorporate the latest designs and control technologies, ensuring consistent performance, economical operation, easy and safe maintenance, and extended service life. The crushers are fitted with the HAZtronic system that puts the operator in control. Production capacities range from 100 to 2,800 short tons per hour. Write 4 on reader card. 26 AGGREGATES MANAGER October 2012

• Cover Page
• Information Library - Educational materials for aggregate industry professionals
• EDITORIAL: Romancing the Stone
• AGGBEAT: The latest information on the future of highway funding, and other industry news.
• STATE AND PROVINCE NEWS: A roundup of the latest news in North America.
• SAFETY WATCH: Define boundaries and establish clear communication standards for miners within a workzone.
• FEATURE- Main Highlights MSHA Milestones: During our recent conversation, Joe Main touted MSHAs work wih aggregate associations to bring about safety improvements.
• ROLLOUTS: McCloskeys R230 mobile screener and other new equipment for the aggregate market.
• FEATURE- Opening Its Doors: Through a variety of community relations programs, Silvi Group Strives to be an asset to the communities in which it operates.
• OPERATIONS ILLUSTRATED: Alternative Energy Sources- Finding alternative sources of energy makes sense from an enviromental and a financial viewpoint.
• FEATURE- Maintenance Guide for Air Classifiers: A service technician should check these 10 items to help identify and fix problems with air classifiers.
• FEATURE- The Big Boys of Crushing: These extra-large cruushers, with production capacities of 700 tons per hour or greater, are not for the faint of heart.
• ROCK LAW: Sixth Circuit overrides Secretary of Labor on temporary reinstatement of terminated miners.
• DATA MINING: The latest financial analysis of issues impacting in the industry.
• Classified ADS: Aggregate industry classifieds.
• ADVERTISER INDEX: See whos who and where to find their products.
• CARVED IN STONE: It is important to know how much aggregate will swell when It is excavated in order to determine hauling and stockpiling requirements.