Experimental Investigation on Temperature Field of a Double-Row Tapered Roller Bearing

Zhou, Xukai; Zhu, Qingyu; Wen, Baogang; Zhao, Guang-Yao; Han, Qunying

doi:10.1080/10402004.2019.1649509

Cited by 16 publications

(6 citation statements)

References 28 publications

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“…That is to say, in the axial direction, the temperature of the FCRB is positively correlated with the load, and the temperature reaches the maximum value in the row with the most considerable load. In the circumferential direction, the azimuth angle negatively correlates with temperature [24,33]. Due to the operational characteristics of the rolling mill, when the equipment is working, the force acts on the roll, resulting in uneven pressure on the four rows of roller bearings.…”

Section: Analysis Of Experimental Resultsmentioning

confidence: 99%

The Simulation Analysis and Experimental Study on the Temperature Field of Four Row Rolling Bearings of Rolling Mill under Non-Uniform Load Conditions

Sun,

Guo,

Guo

et al. 2024

Sensors

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As a key component of the rolling mill, the four-row cylindrical roller bearing (FCRB) operates under complex working conditions of high speed, high temperature, and heavy load. Due to the lack of an effective temperature test scheme for rolling mill bearings, a too high temperature can easily lead to bearing failure or damage under unsteady conditions. To reveal the internal temperature distribution law of four-row roller bearings of rolling mills and solve the common problem of difficult temperature monitoring of rolling mill bearings, in this paper, a four-row cylindrical roller bearing of 1140 mm cold rolling six-high mill is taken as the research object, and the temperature field calculation model for four-row cylindrical roller bearings is established. Firstly, the mechanical analysis model of FCRB is established on the basis of single row bearing by slice method. Secondly, the mechanical calculation model of FCRB is established by the Newton–Raphson method (NRM) and the finite element method (FEM). Thirdly, based on the mechanical calculation model, the finite element method is used to establish the temperature field model of FCRB under uniform load distribution and non-uniform load distribution. Finally, the temperature test experiment is carried out with the FCRB in the rolling mill fault diagnosis test bench. The results show that the error between the FCRB temperature calculation model and the experimental results is less than 10%. It can be seen that the uneven temperature distribution of FCRB is mainly caused by the uneven load distribution. The temperature distribution along the axial direction of the bearing is related to the load distribution of each column, while the circumferential temperature distribution is related to the azimuth angle.

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Section: Analysis Of Experimental Resultsmentioning

confidence: 99%

The Simulation Analysis and Experimental Study on the Temperature Field of Four Row Rolling Bearings of Rolling Mill under Non-Uniform Load Conditions

Sun,

Guo,

Guo

et al. 2024

Sensors

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“…When the bearing is acted under the pre load 0 P only, the axial static balance can be established according to Eq. ( 25) [31]:…”

Section: Load and Displacement Analysis Of Support Bearingmentioning

confidence: 99%

A Coupling Model of Vertical Rolling Process Based on Upper Bound Method and Elastic Theory

Yang¹,

Xu²,

2023

Preprint

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Vertical rolling is an important plastic forming process of metal. The establishment of accurate mechanical model is essential for parameter presetting and online control of the process. A prediction model of vertical rolling force with consideration of mechanism displacement is proposed. Using Γ function and parabolic function to describe edge deformation, the corresponding 3D velocity field, strain rate field and total power functional are derived. On this basis, an energy model for calculating rolling force and edge deformation is established. Simultaneously, an analysis method of mechanism displacement is proposed. The deflection of vertical roller and the radial displacement of support bearings are calculated by applying superposition principle and Palmgren's modified formula respectively. The coupling calculation of slab deformation and mechanism displacement is realized through repeated iteration. The study of bearing structure is carried out, of which the results show that the fluctuation of rolling force caused by bearing azimuth can be ignored. The accuracy of the presented model is verified by comparison with other models and factory measurements. Subsequently, the influences of main rolling parameters on rolling process are analyzed and a series of results are obtained. The influence of width reduction rate and slab thickness on edge deformation and rolling force is greater than that of vertical roller radius and slab width. The compensation value of rolling force has a similar change trend to the compensation value of displacement. In the rolling position, the axis displacement is much greater than deflection. The proportion of axis displacement in total radial displacement rises at first and then falls with the increase of width reduction rate and slab thickness. The proposed model could provide some references for the optimization of vertical rolling process and the improvement of slab quality and yield ratio.

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“…Fiber-optic grating sensors have the advantages of high sensitivity, anti-interference, good corrosion resistance, simple arrangement, etc. Zhou et al [31,32] used fiber-optic grating sensors to measure the temperature distribution of the inner and outer rings in the circumferential direction of a double-row tapered roller bearing and an angular-contact ball bearing, respectively, and the temperature signal of the rotating inner ring was measured through the use of a smooth ring to enable the transmission of temperature signals from the rotating inner ring.…”

Section: Introductionmentioning

confidence: 99%

Test Method for Rapid Prediction of Steady-State Temperature of Outer Rings of Bearings under Grease Lubrication Conditions

Xia,

Yang,

et al. 2024

Lubricants

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Temperature has a great influence on the stability of bearing performance. For the study of bearing steady-state temperature, this paper proposes a test method to quickly predict the steady-state temperature of the outer ring of a bearing, which solves the problems in traditional theoretical calculations and simulation analysis methods such as the large number of calculations, complex models, and large errors. Firstly, a mathematical prediction model is established according to the bearing temperature-rise law; then, a bearing steady-state temperature detection device is designed; and finally, the prediction model parameters are solved according to the experimental results, and experimental verification is carried out. It is shown that the prediction model has high accuracy under different load and speed conditions, and the error between the predicted steady-state temperature and the tested steady-state temperature is less than 0.7 °C. This prediction method reduces the single test time of the same speed to 60 min, which greatly improves the efficiency of the temperature detection test. The steady-state temperature model has important theoretical significance in guiding the study of the limiting speed of bearings.

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Experimental Investigation on Temperature Field of a Double-Row Tapered Roller Bearing

Cited by 16 publications

References 28 publications

The Simulation Analysis and Experimental Study on the Temperature Field of Four Row Rolling Bearings of Rolling Mill under Non-Uniform Load Conditions

The Simulation Analysis and Experimental Study on the Temperature Field of Four Row Rolling Bearings of Rolling Mill under Non-Uniform Load Conditions

A Coupling Model of Vertical Rolling Process Based on Upper Bound Method and Elastic Theory

Test Method for Rapid Prediction of Steady-State Temperature of Outer Rings of Bearings under Grease Lubrication Conditions

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