Analysis for Frictional Heat Generation Characteristic of Machine Tool Spindle Bearing

Hao Yu; Dongchen Qin; Jiangyi Chen; Feng Yuan

doi:10.16578/j.issn.1004.2539.2021.07.017

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Analysis for Frictional Heat Generation Characteristic of Machine Tool Spindle Bearing

Test·Analysis | 更新时间：2022-11-10

- Analysis for Frictional Heat Generation Characteristic of Machine Tool Spindle Bearing
- Journal of Mechanical Transmission Vol. 45, Issue 7, Pages: 116-121(2021)
- 作者机构：
  
  1.郑州大学机械与动力工程学院，河南郑州 450001
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.07.017
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于浩,秦东晨,陈江义等.机床主轴轴承摩擦生热特性分析[J].机械传动,2021,45(07):116-121.

Yu Hao,Qin Dongchen,Chen Jiangyi,et al.Analysis for Frictional Heat Generation Characteristic of Machine Tool Spindle Bearing[J].Journal of Mechanical Transmission,2021,45(07):116-121.
于浩,秦东晨,陈江义等.机床主轴轴承摩擦生热特性分析[J].机械传动,2021,45(07):116-121. DOI： 10.16578/j.issn.1004.2539.2021.07.017.

Yu Hao,Qin Dongchen,Chen Jiangyi,et al.Analysis for Frictional Heat Generation Characteristic of Machine Tool Spindle Bearing[J].Journal of Mechanical Transmission,2021,45(07):116-121. DOI： 10.16578/j.issn.1004.2539.2021.07.017.

摘要

为研究圆柱滚子轴承摩擦生热特性，构建了一种考虑了主轴-轴承装配过盈量、离心力以及配合表面粗糙度的拟静力学分析模型。应用局部法计算得到轴承各部件间的摩擦生热量，通过实例分析了不同工况条件以及润滑参数对摩擦生热的影响。结果表明，轴承转速及外载荷对摩擦生热量有较大影响，转速越高，摩擦生热量增长越明显；润滑油动力黏度或油气比例系数的增大，均使得轴承摩擦生热量出现增长的趋势。

Abstract

In order to study the frictional heat generation characteristics of cylindrical roller bearings，taking the effect of the initial assembly interference between the shaft and bearings，the centrifugal force and mating surface roughness into account， a quasi-static analysis model considering is established. With the local heat source method， the frictional heat generation amount between the components of the bearing is calculated， and the effects of different working conditions and lubrication parameters on the frictional heat generation are analyzed through an example. Results show that the rotation speed and the external load have a great impact on the frictional heat generation amount. When the rotation speed is high，the growth of the frictional heat generation amount is obvious. The increase of the lubricating oil dynamic viscosity or the oil-air proportional coefficient will both make the frictional heat generation amount show a trend of increasing.

关键词

圆柱滚子轴承拟静力学模型摩擦生热量油气比例系数

Keywords

Cylindrical roller bearingQuasi-static modelFrictional heat generation amountOil-gas proportional coefficient

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