Preventing overheating of solid rubber tyres

Trident has developed a solid tyre performance monitoring system that alerts operators when tyre temperatures approach critical levels and allows for preventive intervention

Solid tyres, Trident International, Overheating, Tyre monitoring, Heat sensor

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Solid tyres are subject to continuous operations, long duty cycles, long haul distances and high operating speeds during their applications in mining, industrial plant and material handling. One of the main causes of failure of such tyres is build-up of heat. Solid tyres can overheat for a number of reasons. For example, a solid tyre may overheat due to excessive speeds of the tyre, overload on the solid tyre, environmental factors, or a combination of these. Overheating in a solid tyre can lead to undesirable thermal degradation of the tyre and, in some instances, service interruptions. This thermal degradation can be prevented by timely intervention such as reduced speed and reduced load before the solid tyre reaches a threshold temperature or is operated at an elevated temperature for too long.

Tyre manufacturer Trident has been granted a utility patent by the United States Patent Office (patent number 10,017,017) for a system that measures and relays the temperature and usage of a solid tyre. The solid tyre performance monitoring system (STPMS) comprises a heat sensor embedded in a solid rubber tyre and a small handheld display for remote monitoring. The sensor transmits the temperature of each tyre to the display interface continuously in real time and alerts the user when the temperature approaches critical levels. The heat sensor may be embedded in a solid rubber tyre at the manufacturing stage or retrofit after the tyre is installed on a vehicle. When embedded during tyre manufacturing, the system tracks the cure time and temperature as the tyre is being produced. By logging these metrics, the system can allow manufacturers of tyres to improve the quality of the tyre production process. If the sensor is embedded after tyre production, the system logs the tyre performance by tracking the distance travelled, speed, hours in use, as well as heat generated within the solid tyre throughout the tyre’s operation. The helps the user determine when preventive maintenance is required.

Heat sensors and handheld display of the Trident solid tyre performance monitoring system

Trident’s tyre performance monitoring system complements the performance characteristics of its tyres which allow them to bear higher loads, provide better traction and reduce fuel consumption, maintenance and replacement.

Suprit Shah, senior business development executive, Trident International, points out that Trident’s product development strategy is driven by customer feedback about the challenges they face such as frequent punctures, damage and fast wear of tyres. Currently, Trident invests between 3 to 5% of its sales revenue in R&D and product development.

“Load capacities are determined by global standards; as a result, the stated load capacities of tyres from all manufacturers will be the same. However, at the design stage, we incorporate specific features and elements into the products keeping in mind the inputs from customers, end users, and application requirements, with the objective of reducing operating costs,” says Shah.

“Our team of experts translates customer expectations into specific design elements that will deliver the desired results. We have developed non-directional, all terrain pattern for solid telehandler tyres with continuous centre that provides a smoother ride and even wear. We have a patent on non-directional R4 traction pattern for solid tyres that provide uniform traction in both forward and reverse directions. We have the widest range patterns for solid skid steer tyres so customers get right tyre for their specific application. Our heavy duty CTL tracks have extra thick carcass with a high lug/void ratio and abrasion resistant lug compound that deliver very low CPH. Products are rigorously tested both on test rigs as well as in the field to validate design objectives,” he adds.

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