凸轮杠杆杆机构是常用剁锉机的第一主噪声源,其噪声主要来自凸轮与杠杆的周期撞击和运动中的摩擦,以及由此引起的机体振动幅射声。采用优化凸轮曲线、增加阻尼等办法虽可收到一定降噪效果,但难于从根本上降噪。在多年研究与探索的基础上,对磁浮凸轮杠杆进行了实验研究,收到了明显的效果。 Cam lever mechanism is the first main noise source of the conventional file rasp machine. The noise mainly comes from the periodic impact of the cam and the lever and the friction during the motion, and the vibration of the body caused by this. The use of optimized cam curve, increase damping and other methods may receive a certain noise reduction effect, but difficult to fundamentally reduce noise. Based on many years of research and exploration, the magnetic levers have been experimentally studied, and obvious effects have been obtained.