When a drive experiences problems it's easy to assume the belt is defective, or that the standard belt construction is underrated for the application. Before blaming the belt or requesting a made-to-order belt construction, please consider the pie chart below (click to enlarge). There are many factors that can lead to premature belt failure. This chart illustrates the most common sources of drive problems. Download the Belt Drive Preventive Maintenance and Safety Manual for more information. Also, check out our failure analysis blogs for V-belt and synchronous drives to troubleshoot drive problems.