全封闭湿式多盘制动器温度场的有限元分析.pdfVIP

16 1 Vol. 16, No. 1 2007 3 M INING & MET ALL RGY March 2007 : 1005- 7854(2007) 01- 0057- 04 1 2 1 1 邢玉涛, 战 凯 , 刘大维 , 严天一 ( 1 青岛大学机电工程学院, 山东青岛266071; 2 北京矿冶研究总院, 北京100044) : , - , ANSYS , , ; , , , : ; ; : TH1423; T P39119 : A FINITE ELEMENT ANALYSIS OF CLOSE WET M LT I- DISC BRAKE TEMPERAT RE FIELD XING Yu- tao, ZHAN K ai, L I U Da- Wei, YAN T ian - y i ( 1 College of Mechanical an Electronic Engineering, Qing ao University, Qing ao 266071, Shan ong , China; 2Beij ing General Research I nstitute of Mining an Metallurgy , Beij ing 100044, China) ABSTRACT: In this paper, the finite element model of closewet multi- discbrake is build To aim at thether mal- elastic destabilization of the disk, the conditions of contact force between two discs and the distribution of transient temperature in the disc are analyzed using ANSYSThe results show that contact force between two discs along radial direction is not homogeneous, which result in non- uniform input heat flow density of thefric tion disk T he great gradient of temperature along radical direction leads to the distortion of thefriction disk It is necessary to consider the influenceof contact force condition and transient temperature distribution when con struction designing and material selecting KEY WORDS: wet disk brake; friction temperature field; finite element 1 引 言 20 80 , ,