Dynamics and screening characteristics of a vibrating screen with variable elliptical trace

被引：11

作者：

HE, Xiao-mei ^{[1
]}

LIU, Chu-sheng ^{[1
]}

机构：

[1] School of Mechanical and Electrical Engineering, China University of Mining and Technology, Xuzhou

来源：

Mining Science and Technology | 2009年 / 19卷 / 04期

基金：

中国国家自然科学基金;

关键词：

dynamic model; motion characteristic; screening characteristics; screening process with constant bed thickness; variable elliptical trace;

D O I：

10.1016/S1674-5264(09)60095-8

中图分类号：

学科分类号：

摘要：

The ideal motion characteristics for the vibrating screen was presented according to the principle of screening process with constant bed thickness. A new vibrating screen with variable elliptical trace was proposed. An accurate mechanical model was constructed according to the required structural motion features. Applying multi-degree-of-freedom vibration theory, characteristics of the vibrating screen was analyzed. Kinematics parameters of the vibrating screen which motion traces were linear, circular or elliptical were obtained. The stable solutions of the dynamic equations gave the motions of the vibrating screen by means of computer simulations. Technological parameters, including amplitude, movement velocity and throwing index, of five specific points along the screen surface were gained by theoretical calculation. The results show that the traces of the new designed vibrating screen follow the ideal screening motion. The screening efficiency and processing capacity may thus be effectively improved. © 2009 China University of Mining and Technology.

引用

页码：508 / 513

页数：5