rolling element

It is significant to study the contact area in rolling process and simplify model of finite element.

对研究花键冷滚压成形过程中的接触面积和有限元模型的简化具有重要的意义。

Based on the dynamic analysis of tire and thermal energy loss, the analytic method of thermal-structure coupling was used to the finite element analysis of radial tire steady state rolling resistance.

在此基础上，根据轮胎橡胶材料滞后生热特性，采用热-结构耦合分析方法对子午线轮胎稳态滚动阻力进行了有限元分析。

Three dimensional finite element analysis of radial tire rolling resistance is carried out with MSC. MARC software. Tire core, thread ply and tire bead are simulated with the rebar membrane element and the rebar solid element, and rubber is described with Yeoh material mode.

MARC软件对子午线轮胎的滚动阻力进行了三维有限元分析计算，对轮胎的胎体、带束层、胎圈等部位采用了rebar膜单元以及rebar实体单元进行模拟，采用Yeoh材料模式描述橡胶材料。

Three-dimensional Finite Element Analysis of the Closed Frame of the Small Rolling

小型轧机闭式机架的三维有限元分析

The finite element model of wheels sliding on the rails and rolling process are established by large-scale finite element software ANSYS. Establish contact using the contact element method in the wheel-rail contact area.

主要应用大型有限元软件ANSYS分别建立车轮在钢轨上滑动和滚动过程的有限元模型，在轮轨接触区利用接触单元法来建立接触。

Design of Portable Intelligent Diagnosis System for Rolling Element Bearing Fault

便携式滚动轴承故障智能诊断系统的设计

The system movement laws, contact force between rolling element and convex, concave sphere in the joint, friction torque and system actuating torque were obtained.

得到了系统运动规律，接头内滚动体与阴、阳球体间的接触力、摩擦力矩和系统作动力矩。

Temperature field finite element during flat hot continuous rolling process with compact double stand reversing rolling mill was researched, which is the only one in China.

实现了对国内唯一一架双机架紧凑式可逆炉卷轧机板材热连轧的温度场有限元研究。

By Thermomechanical Coupled Finite Element Method, the hot rolling processes of H beam were simulated, and the rolling pressures and their distributions were obtained.

应用热力耦合大变形有限元方法，模拟了H型钢的热轧变形过程，给出了轧制力的大小及其分布方式。

Finite element analysis on front end bending during heavy plate rolling

厚板轧制头部弯曲的有限元分析

Adaptive weighted median filter is used for diagnosing the fault signal of the rolling element bearing.

将自适应加权中值滤波器应用于滚动轴承故障信号的故障诊断中.

The 3-dimension finite element models of tool and workpiece in the skew rolling process were built up with ANSYS/ LS-DYNA. Computer simulations on the ladder shaft in skew rolling under different parameters were conducted.

采用ANSYS/LS-DYNA软件，建立了斜轧零件基本变形过程的三维有限元分析模型，对不同工况下的斜轧过程进行了计算机数值模拟分析。

The nano-sized PTFE particle generat metal fluoride, forms physical boundary film and repair the injured surface. Submicron-sized PTFE works as rolling element, micron-sized PTFE hinders relative motion of the friction surfaces due to the distortion from pressing.

纳米PTFE微粒通过生成金属氟化物、微粒修复作用和形成物理边界膜，亚微米PTFE通过滚动体作用。微米PTFE在摩擦副间发生变形而阻碍摩擦表面相对运动。

Bifurcation and Chaos of Rotor-Bearing System with Looseness of Rolling Element Bearing House

滚动轴承座发生松动故障的转子&轴承系统的分叉和混沌