Results 11 to 20 of about 278,790 (188)

CONTACT ANALYSIS OF ELASTIC COMPOSITE CYLINDRICAL ROLLER BEARING

open access: yesJixie qiangdu, 2015
In order to research into the contact between the rolling element and the rollaway nest of the elastic composite cylindrical roller bearing,the finite element method and the classical Hertz contact theory are separately used to calculate the contact ...
YU JiangHong   +3 more
doaj   +2 more sources

Optimization analysis on assembly interference of cylindrical roller bearings

open access: yesAdvances in Mechanical Engineering, 2015
Distribution of loads and contact stress has a great influence on fatigue life of bearings. In view of the fact that the nonload area is ubiquitous in cylindrical roller bearings, there is a method for prolonging the fatigue life design by adjusting the ...
Zhen-huan Ye, Li-qin Wang
doaj   +2 more sources

Effect of Roller Modification on Shear Stress of Cylindrical Roller Bearing under Flooded/Stared Oil Condition

open access: yesJixie chuandong, 2021
The NJ2205 cylindrical roller bearing is taken as the analysis object, and roller modeling is carried out through ANSYS software to analyze the "edge effect" problem between roller and raceway under the conditions of flooded oil and stared oil, and the ...
Wenjie Wang   +5 more
doaj   +2 more sources

Analysis of Cylindrical Index Cam Mechanism with Different Size Roller by Considering Elastic Deformation

open access: yesJixie chuandong, 2016
The type of cylindrical index cam mechanism with different size roller is proposed on the basic of original cylindrical mechanism. Using the elastic deformation of small roller pin to constraint mechanism of axial vibration may occur.
Zhang Chaoyang   +3 more
doaj   +2 more sources

Dynamic Modeling and Behavior of Cylindrical Roller Bearings Considering Roller Skew and the Influence of Eccentric Load

open access: yesLubricants
At high speeds, skew and skid may frequently occur for the rollers in cylindrical roller bearings, especially when under eccentric load, as the uneven load distribution along the generatrix of the roller further aggravates this phenomenon. In this paper,
Yang Yang   +3 more
doaj   +2 more sources

The Unladylike Ladies of Roller Derby?: How Spectators, Players and Derby Wives Do and Redo Gender and Heteronormativity in All-Female Roller Derby [PDF]

open access: yes, 2012
All-female roller derby is a rapidly growing full-contact sport played on quad roller skates, with a highly popularized punk, feminine, sexual and tough aesthetic.
Murray, Megan Geneva
core   +6 more sources

Dynamic simulation of cylindrical roller bearings [PDF]

open access: yes, 2014
In this work, a three-dimensional dynamic simulation model for cylindrical roller bearings is developed based on multi-body-simulation software SIMPACK and programming language FORTRAN. The aim of this work is to build a universal program to calculate the dynamic behavior of cylindrical roller bearings.
Qian, Weihua
openaire   +3 more sources

Analysis of Slippage Characteristic of Roller in Cylindrical Roller Bearing during the Start up

open access: yesJixie chuandong, 2015
Based on the dynamics theory of rolling bearing,the dynamics model and nonlinear dynamics differential equations of the cylindrical roller bearing during the start up are obtained by considering of the change of lubrication state between rollers and ...
Jia Yongchuan, Deng Sier
doaj   +2 more sources

Dynamic simulation of a roller rig [PDF]

open access: yes, 2012
The dynamic behaviour of railway vehicles is greatly influenced by the interaction of the wheelsets on the railway track. This behaviour can be replicated in laboratory conditions using a scaled roller rig. This paper presents the results of the modeling
Gu, Fengshou   +3 more
core   +3 more sources

The optimisation of the cylinder-spiral soil-cultivating roller [PDF]

open access: yesE3S Web of Conferences, 2020
Designed cylinder-tillage spiral skating rink with spiral work items, which form a fine lumpy structure of the sowing layer of soil with grain size corresponding to agrotechnical requirements, while helping the soil surface, mulching the top layer of ...
Sharonov Ivan   +3 more
doaj   +1 more source

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