Hot-metal sawing machines were frequently employed apparatus on the section steel rolling line of Iron and Steel Corporation. It radiated noise as high as 120dB (A) by sound power level when cutting section steel. The cutting noise mainly root in high-frequency vibration of the circular saw blade induced by the cutting force. So the noise control of the circular saw blade can effectively decrease the noise pollution and protect the health of the workers on the production line.
After establishing F...