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Wavelet Decomposition for the Detection and Diagnosis of Faults in Rolling Element Bearings
Discrete Wavelets Transform Discrete Wavelet Packet Transform Ball Bearing Fault Detection
2010/1/15
Condition monitoring and fault diagnosis of equipment and processes are of great concern in industries. Early fault detection in machineries can save millions of dollars in emergency maintenance costs...
Finite elements method (FEM) simulation based prediction of deformation and temperature at rolling of tubes on a pilgrim mill
FEM temperature tube rolling
2009/10/23
3D - FEM simulation was used as an efficient tool for description of stress-deformation thermal field at rolling of tubes on a pilgrim mill. The monitored objectives comprised also behaviour of workin...
滚动轴承摩擦力矩的非线性特征（Nonlinear Characteristic of Rolling Element Bearing Friction Torque）
滚动轴承 摩擦力矩 时间序列
2009/5/22
以混沌理论为基础，通过试验研究滚动轴承摩擦力矩时间序列的非线性特征评估问题，为精确计算滚动轴承摩擦力矩的动态性能奠定基础。用关联维数标准差刻画摩擦力矩的不确定性，用关联维数均值描述摩擦力矩非线性特征的演变历程。研究表明，滚动轴承属于确定的非线性动力学系统，但其摩擦力矩呈现出明显的不确定性。随着转速的增加，滚动轴承摩擦力矩关联维数标准差与均值都呈现出非线性增大的趋势。
Nonlinear vibration signature analysis of high speed rotor due to defects of rolling element
Nonlinear dynamics rolling bearing ball passage frequency
2010/9/27
This paper presents a mathematical model to investigate the nonlinear dynamic behavior of a high speed rotor-bearing system due to defects of rolling elements. Two defects have been considered for the...
A Model of the Transient Behavior of Tractive Rolling Contacts
Transient Behavior Tractive Rolling Contact
2008/10/21
When an elastic body of revolution rolls tractively over another, the period from commencement of rolling until gross rolling ensues is termed the prerolling regime. The resultant tractions in this re...
Development of rolling mill for rectangular orthodontic wires production
Manufacturing and processing Rectangular wires Orthodontic
2010/2/10
Purpose: In orthodontic treatments, wires of different metallic alloys are used for alignment, leveling, correction of the molar position, space closing, finish and retention. The purpose of the paper...
期刊信息
篇名
A durable impeller pump with rolling bearing and purge system
语种
英文
撰写或编译
作者
Qian Kun-xi, Zeng Pei, Ru Wei-min, Yuan Haiyu
第一作者单位
刊物名称
J.Med.Eng.Phy.
页面
2001,25(6):273-275
出版日期
2001年
月
日
文章标识(...
Determination of the energy and power parameters during groove-rolling
Numerical techniques FEM Groove-rolling Energy and power parameters
2010/2/22
Purpose: In order to correctly design the process of bar rolling in grooves it is required that several limitations affecting the rolling process be considered. When developing a technology, energy an...