Results 1 to 10 of about 2,639 (177)

Achieving High Plasticity and High Toughness of Low-Carbon Low-Alloy Steel through Intercritical Heat Treatment

Metals, 2023
Medium manganese steel has excellent comprehensive properties due to the TRIP effect of retained austenite, but its welding performance is unsatisfactory for its high alloy content.
Long Huang, Jia Liu, Xiangtao Deng, Zhaodong Wang   +3 more
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Dynamic Characteristics of a Misaligned Rigid Rotor System with Flexible Supports

Shock and Vibration, 2021
A misaligned rigid rotor system with flexible supports differing from the traditional flexible rotor system, which refers to its practical rotating center line determined by supports offset from the theoretical one, often suffers support structure damage
Meiling Wang, Baogang Wen, Qingkai Han, Yibo Sun, Changxin Yu   +4 more
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Enhancement and extraction of periodic transient based on hybrid intelligent fusion algorithm and its application in rolling bearing fault detection

Advances in Mechanical Engineering, 2022
Weak fault detection of rolling bearing presents difficult, because the periodic transient signature produced via localized incipient damage is easily submerged by various interference components and background noise.
Lu Yan, Du Juan, Ding En-Jie, Liu Ke
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Structural design and magnetic field analysis on magnetic fluid lubricated bearings

The Journal of Engineering, 2022
A structural model of a bearing is proposed based on a general standard bearing structure and magneto‐fluidic lubrication, and the magnetic field of the bearing lubrication gap is analyzed under the action of an applied magnetic source. Results show that
Ao Wang, Jiabao Pan, Jin Ye, Huaibiao Wu
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Vibration characteristics analysis of rolling bearing rotor system considering radial clearance and outer raceway defect

Advances in Mechanical Engineering, 2023
Because of the radial clearance, the radial stiffness of rolling bearing will show obvious time-varying characteristics, which may cause a certain vibration.
Runlin Chen, Jiaxin Liu, Jie Tang, Qin Han, Yanchao Zhang, Yahui Cui   +5 more
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Intelligent diagnosis of rolling bearing compound faults based on device state dictionary set sparse decomposition feature extraction–hidden Markov model

Advances in Mechanical Engineering, 2020
Identification of rolling bearing fault patterns, especially for the compound faults, has attracted notable attention and is still a challenge in fault diagnosis.
HongChao Wang, WenLiao Du
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Performance Degradation Evaluation of Rolling Bearing based on Improved Fuzzy Entropy and Grey Relation

Jixie chuandong, 2022
In light of low sensitivity of fuzzy entropy in extracting degraded features of rolling bearing，an improved fuzzy entropy based on the sigmoid-like function is proposed.
Li Cheng, Wensuo Ma, Xintao Xia, Liangwen Wang   +3 more
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Noise Calculation Method for Deep Groove Ball Bearing With Considering Raceway Surface Waviness and Roller Size Error

Frontiers in Mechanical Engineering, 2018
Rolling bearing is a kind of important part of mechanical equipment, and the noise of the rolling bearing is also one of the important criteria for evaluating the quality of a rolling bearing.
Qitao Zhang, Jiapeng Yang, Qi An
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Early Fault Detection Method of Rolling Bearing Based on MCNN and GRU Network with an Attention Mechanism

Shock and Vibration, 2021
Aiming at the problem of early fault diagnosis of rolling bearing, an early fault detection method of rolling bearing based on a multiscale convolutional neural network and gated recurrent unit network with attention mechanism (MCNN-AGRU) is proposed ...
Xiaochen Zhang, Yiwen Cong, Zhe Yuan, Tian Zhang, Xiaotian Bai   +4 more
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Precision ring rolling technique and application in high-performance bearing manufacturing

MATEC Web of Conferences, 2015
High-performance bearing has significant application in many important industry fields, like automobile, precision machine tool, wind power, etc. Precision ring rolling is an advanced rotary forming technique to manufacture high-performance seamless ...
Hua Lin, Deng Jiadong, Qian Dongsheng
doaj   +1 more source