Results 21 to 30 of about 2,071 (285)

Numerical simulation and experimental testing of dynamic stiffness of angular contact ball bearing

open access: yesAdvances in Mechanical Engineering, 2018
Angular contact ball bearings are widely used in the multiple rotor system, such as gear box, machine tool spindle, and aero-engine rotors. The support stiffness is very important to the vibration of shafting.
Haitao Luo   +5 more
doaj   +3 more sources

Characteristics of Duplex Angular Contact Ball Bearing with Combined External Loads and Angular Misalignment

open access: yesApplied Sciences, 2020
As a kind of common phenomenon in practical engineering, misalignment error considerably changes the working performance of bearing. However, it has rarely attracted attention in the study of duplex angular contact ball bearings (DACBBs). To evaluate the
Tengfei Xu, Lihua Yang, Kai Wang
doaj   +2 more sources

EFFECT OF THE UNCERTAIN ANGULAR MISALIGNMENT ON FATIGUE LIFE OF ANGULAR CONTACT BALL BEARINGS OF SPINDLE SYSTEM

open access: yesJixie qiangdu, 2021
The effect of angle misalignment of bearing on bearing fatigue life in spindle system with non-ideal installation conditions was studied in this paper. For achieving this,firstly,the analysis model of multiple bearings-spindle system was introduced.
ZHANG MengQi   +3 more
doaj   +2 more sources

Analysis of Skidding Characteristics of Solid-Lubricated Angular Contact Ball Bearings During Acceleration

open access: yesLubricants
Solid-lubricated rolling bearings are widely used in the aerospace field and are key components to support spacecraft rotors. During the start-up of the engine, the sharp acceleration may cause bearing skidding, resulting in damage of the solid ...
Shijie Zhang   +3 more
doaj   +2 more sources

Analysis of the Influence of Rotor Coupling effect on Vibration of High Speed Angular Contact Ball Bearing

open access: yesJixie chuandong, 2015
Based on the displacement coupling relationship and loading equilibrium relationship between rolling bearings and rotor,a dynamics model of rolling bearings- rotor system based on the internal load- bearing deformation coordination condition is ...
Ye Zhenhuan, Liu Zhansheng, Wang Liqin
doaj   +2 more sources

Experimental Study on Oil Interruption Performance of Novel Cageless Angular Contact Ball Bearings

open access: yesJixie chuandong, 2022
The ability of bearings to resist oil interruption directly affects the reliability of aero engines. In order to explore the dry operation performance of a novel cageless angular contact ball bearing, an oil break test scheme under the bearing ring is ...
Tao Xu, Yanfu Li, Shuidian Xu, Jingyu Mo
doaj   +2 more sources

NONLINEAR DYNAMICS OF A ROTOR WITH CANTILEVERED DISK RESTING ON ANGULAR CONTACT BALL BEARINGS [PDF]

open access: yesAvtomobilʹnyj Transport (Harʹkov), 2016
The mathematical model of nonlinear oscillations of the rotor resting on angular contact ball bearings is developed. The disc is fixed on the console end of the shaft. The deflection of the shaft, and the elastic deformation of the bearings have the same
S. Filipkovskyi
doaj   +1 more source

Dynamic Characteristic Analysis of Angular Contact Ball Bearings with Two-Piece Inner Rings in Aero-Engine Main Shafts Under Unsteady-State Conditions

open access: yesLubricants
The dynamic interactions among the internal components of aero-engine main shaft bearings under unsteady-state conditions are intricate, involving clearance collisions, contact, friction, and lubrication.
Haisheng Yang, Qiang Liu, Si’er Deng
doaj   +2 more sources

OPTIMIZATION PROGRAM DESIGN AND RESEARCH OF ANGULAR CONTACT BALL BEARING CHANNEL CURVATURE RADIUS

open access: yesJixie qiangdu, 2016
Firstly the theory of Hertz was used to calculate the maximum stress of same angular contact ball bearings in the same condition and different internal and external channel curvature radius.
DENG Tao   +4 more
doaj   +2 more sources

KINEMATICS ANALYSIS OF HIGH-SPEED ANGULAR CONTACT BALL BEARINGS BASED ON FINITE ELEMENT

open access: yesJixie qiangdu, 2021
Because the traditional method is not easy to test the motion characteristics of angular contact ball bearings under high-speed operation,a multi-body dynamic finite element model of balls,cages and rings was established based on ABAQUS.Taking 7005 type ...
BIAN Qiang   +4 more
doaj   +2 more sources

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