Circular Saw Stiffness as a Measure of Tension

The tensioning of circular saw blades is the most common method of increasing their stability. Tensioning induces favorable residual stresses, which increase the saw stiffness in specific bending modes. It has been demonstrated that the model stiffness of a saw blade can be used to measure the effects of tensioning on its natural frequencies and critical speed. The apparatus and method discussed herein offer a practical procedure for evaluating tension without determining the residual state of stress of the saw blade.

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