Rock Products

APR 2019

Rock Products is the aggregates industry's leading source for market analysis and technology solutions, delivering critical content focusing on aggregates-processing equipment; operational efficiencies; management best practices; comprehensive market

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30 • ROCK products • April 2019 www.rockproducts.com OTR Tires T here has been a great deal of tire innovation for aggregate produc- ers in the last decade – in tread styles, compounding and tire construction – however, many of these innovations were created with a specific intended use in mind. It's important for fleet managers to understand what tech- nologies are available and how to best implement them. This article takes a look at some of the latest tire innova- tions and how they are intended to be used. Tread Compounds: Standard Vs. Custom The three most common categories of tread compounds for equipment used in the aggregates industry are cut-, wear- and heat-resistant. • Cut-resistant compounds are formu- lated for sites that pose a high risk of puncture damage and for equipment that isn't necessarily hauling at high speeds with high loads the majority of the time. •  Wear-resistant compounds are designed for work requiring frequent starts, stops and sharp turns on hard surfaces – ideal for prolonging tire life on loaders. •  Heat-resistant compounds are designed for high-speed, high-load hauling – as heat buildup is a leading cause of tire fatigue on haul trucks. While many applications can bene- fit from these standard compounding options, there are many instances in which a jobsite may require something not so standard. In these cases, some tire manufacturers will develop custom compounds to meet their unique needs. It's important to understand that in the process of formulating a compound, designing it to get performance in one area often means sacrificing perfor- mance in another. In other words, if you want to move more toward the extreme heat-resistance end of the spectrum, Innovations In OTR Tires A Look At Some Of The Latest Off-The-Road Tire Innovations And How They Are Intended To Be Used. By Johni Francis Titan's STL3 radial off-the-road tire features an E-3/L-3 non-directional tread pattern for excellent traction, a smooth ride and long tire life in earthmover or loader applications.

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