Manufacturing Technology 2018, 18(2):330-336 | DOI: 10.21062/ujep/101.2018/a/1213-2489/MT/18/2/330

Influence Study of Oil Film Thrust Bearing on Thermal Characteristics of High-speed Precision Roll Grinding Head

Huaichao Wu, Kunpeng Wang, Guanchao Sun, Limei Zhao
School of Mechanical Engineering, Guizhou University, Guiyang 550003, China

Aiming at a kind of grinding head of high-speed precision roll grinder, its structure characteristics and heat source characteristics are analysed, and the characteristics of heat source is calculated. On these bases, the weakness of grinding thermal characteristics is found through the numerical analysis of thermal performance of roll grinding head, facing the thermal error of sensitive area, optimization method which unites multi objective and single objective are adopted to optimize the thrust oil film bearing of the roll grinding head, after that numerical analysis of thermal performance of roll grinding head is analysed. Analysis results show as follows: temperature of the optimized oil film thrust bearing is improved obviously. The oil film performance between the bearing and the main shaft is stability, and it has had effective prevent the phenomenon of metal dry friction happening. As a result, the grinding accuracy of the grinding roll is effectively improved.

Keywords: High-speed precision roll grinding head; Oil film thrust bearing; Thermal performance; Optimize design

Published: April 1, 2018  Show citation

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Wu H, Wang K, Sun G, Zhao L. Influence Study of Oil Film Thrust Bearing on Thermal Characteristics of High-speed Precision Roll Grinding Head. Manufacturing Technology. 2018;18(2):330-336. doi: 10.21062/ujep/101.2018/a/1213-2489/MT/18/2/330.
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