Results 21 to 30 of about 38,665 (216)

Nonlinear dynamic behaviors of angular contact ball bearing with waviness based on a synthetical multi-degree-of-freedom mathematical modelling

open access: yesJournal of Low Frequency Noise, Vibration and Active Control
This paper proposes a synthetical multi-degree-of-freedom mathematical modelling for analyzing the dynamic characteristics of angular contact ball bearing with waviness subjected to the external load working conditions.
Zhen Li   +4 more
doaj   +1 more source

ANALYSIS ON CAGE DYNAMIC CHARACTERISTICS OF ANGULAR CONTACT BALL BEARING DURING ACCELERATION

open access: yesJixie qiangdu, 2020
Angular contact ball bearing is an important kind of component in the feed system of CNC machine,and its speed change during acceleration has great influence on its dynamic characteristics.
LUO Ya, HE HaiBin
doaj  

Fatigue Life Analysis of Ball Bearings and a Shaft System Considering the Combined Bearing Preload and Angular Misalignment

open access: yesApplied Sciences, 2020
Bearing preload significantly affects the running performance of a shaft-bearing system including the fatigue life, wear, and stiffness. Due to the mounting error, the bearing rings are often angularly misaligned.
Yu Zhang   +3 more
doaj   +1 more source

PASSIVE TORQUE SIMULATION OF SMALL ANGULAR CONTACT BEARING AT HIGH SPEED [PDF]

open access: yes, 2017
Description of common ball bearing torque models was presented and adopted to the complex thermo-mechanical model of the high speed spindle. Ball bearing passive torque was measured on the own high-speed spindle design.
Kekula J., Smolík J., Sulitka M.
core   +1 more source

Direct Metal Deposition of Graphene–Ti28Nb35.4Zr Matrix Composites With Enhanced Mechanical, Corrosion, and Biocompatibility Properties for Bone Implants

open access: yesAdvanced Engineering Materials, EarlyView.
Graphene nanoplatelet (0.1 wt.%) reinforcement significantly enhances the performance of β Ti‐28Nb‐35.4Zr alloy. Grain refinement, reduced water contact angle, and improved surface characteristics promote osteoblast adhesion and complete surface coverage after 7 days.
Khurram Munir   +5 more
wiley   +1 more source

Study on Temperature Rise Characteristics of Grease Lubricated Thrust Angular Contact Ball Bearings Under Complex Working Conditions

open access: yesJixie chuandong, 2022
The temperature rise characteristics of grease lubricated angular contact ball bearings under complex working conditions have an important influence on the safe operation of bearings.
Shijie Wang   +4 more
doaj  

Study on mechanical and thermal characteristics evolvement rule of bearing over the performance degradation process affected by abrasive particles

open access: yesAdvances in Mechanical Engineering, 2022
In this paper, the thermomechanical characteristics of microturbine bearing during the process of bearing performance decay due to abrasive particles are theoretically and experimentally researched, such as contact characteristic, temperature ...
Xianghe Yun, Qingkai Han
doaj   +1 more source

A novel eccentric lapping machine for finishing advanced ceramic balls [PDF]

open access: yes, 2001
Advanced ceramic balls are used extensively in hybrid precision ball bearings and show advantages in high speed, high temperature, high load and hostile environment.
Hadfield, M, Kang, J
core   +1 more source

Substrate Stress Relaxation Regulates Cell‐Mediated Assembly of Extracellular Matrix

open access: yesAdvanced Functional Materials, EarlyView.
Silicone‐based viscoelastic substrates with tunable stress relaxation reveal how matrix mechanics regulates cellular mechanosensing and cell‐mediated matrix remodelling in the stiff regime. High stress relaxation promotes assembly of fibronectin fibril‐like structures, increased nuclear localization of YAP and formation of β1 integrin‐enriched ...
Jonah L. Voigt   +2 more
wiley   +1 more source

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   +1 more source

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