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冷剪机是冶金行业轧钢生产工艺中用于剪切定尺棒材的机械设备。由于冷剪机在工作过程中存在着巨大的尖峰载荷,所以在动力传递路线的高速轴上需要安装一飞轮。而合理设计飞轮的大小及其转动惯量是降低电机所需功率,改善机械传动构件和电机工作状况的关键。文中通过建立机构剪切模型,对所需飞轮的转动惯量进行了计算。在此基础上,利用Pro/E对飞轮进行了三维实体造型和结构优化设计,可直接获得飞轮的转动惯量。经比较,二者在数值上非常接近,表明文中的设计与计算方法是正确的。通过对飞轮的结构优化,使飞轮的质量减少了近四分之一。
Cold shear is the metallurgical industry in the rolling process for the production of steel rod cutting mechanical and mechanical equipment. Because of the huge spike load on the cold shear during operation, a flywheel needs to be installed on the high speed shaft of the power transmission line. The reasonable design of the size of the flywheel and its moment of inertia is to reduce the motor power required to improve the mechanical transmission components and the working conditions of the motor key. In this paper, the moment of inertia of flywheel is calculated by establishing the mechanism shear model. On this basis, using Pro / E to fly three-dimensional solid modeling and structural optimization design, the flywheel moment of inertia can be obtained directly. By comparison, the two are very close in value, indicating that the design and calculation methods in the paper are correct. By optimizing the structure of the flywheel, the mass of the flywheel is reduced by nearly a quarter.