高速V型兜孔滚针轴承保持架结构优化

娄智旭; 邱明; 周彩虹; 张文华; 董艳方

doi:10.13224/j.cnki.jasp.20240220

高速V型兜孔滚针轴承保持架结构优化

doi: 10.13224/j.cnki.jasp.20240220

娄智旭^1,,
邱明^{1, 2,*, ,},
周彩虹³,
张文华³,
董艳方^{1, 2}

1.
河南科技大学机电工程学院，河南洛阳 471003
2.
河南科技大学机械装备先进制造河南省协同创新中心，河南洛阳 471003
3.
苏州轴承厂股份有限公司，江苏苏州 215129

基金项目: 国家自然科学基金（52275186）

详细信息

作者简介:
娄智旭（1998-），男，硕士生，主要从事高速轴承动态性能及稳定性研究。E-mail：louzhixu1117@163.com

通讯作者:
邱明（1969-），女，教授，博士，主要从事轴承设计及理论研究。E-mail：qiuming@haust.edu.cn

中图分类号: V232；TH133.3
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- 被引次数: 0
出版历程
- 收稿日期: 2024-04-12
- 网络出版日期: 2024-10-08

Structural optimization of high-speed needle roller bearing cage with V-shaped pocket

LOU Zhixu^1
,,
QIU Ming^{1, 2,*
, ,},
ZHOU Caihong³,
ZHANG Wenhua³,
DONG Yanfang^{1, 2}

1.
School of Mechatronics Engineering，Henan University of Science and Technology，Luoyang Henan 471003，China
2.
Collaborative Innovation Center of Machinery Equipment Advanced Manufacturing of Henan Province，Henan University of Science and Technology，Luoyang Henan 471003，China
3.
Suzhou Bearing Factory Company Limited，Suzhou Jiangsu 215129，China

摘要

摘要:
针对高速工况下滚针轴承保持架极易出现稳定性差的问题，以HK0608滚针轴承为研究对象，基于多体动力学分析软件建立了轴承动力学分析模型，并以保持架质心涡动半径偏差比和保持架打滑率为优化目标，采用正交试验、多元回归、主成分分析法及NSGA-Ⅱ多目标优化遗传算法对轴承进行了结构优化。结果表明：转速对质心涡动半径偏差比影响最大，径向载荷对保持架打滑率影响最大；当径向载荷为1084 N、转速为21036 r/min、壁面倾角为5.8°时，保持架稳定性最好。同时，对保持架在不同转速和径向载荷下的稳定性进行了优化前后的比较分析，发现两者的保持架稳定性均随转速、径向载荷增大先升高后降低，并且优化后轴承的保持架稳定性得到提升。研究成果可为高速工况下滚针轴承结构设计提供参考。
- V型兜孔滚针轴承 /
- 高速 /
- 遗传算法 /
- 涡动半径偏差比 /
- 保持架稳定性
Abstract:
To address the problem of poor stability in the cage of needle roller bearings under high-speed working conditions, the HK0608 needle roller bearing was taken as the research object, and a bearing dynamics analysis model was established based on multi-body dynamics analysis software. Meanwhile, the deviation ratio of the cage center of mass vortex radius and the cage slip rate were selected as optimization objectives, and the structure of the bearing was optimized by using orthogonal experimental method, multiple regression, principal component analysis method and non-dominated sorting genetic algorithm Ⅱ (NSGA-Ⅱ) multi-objective optimization genetic algorithm. The results showed that the rotational speed had the greatest impact on the deviation ratio of the center of mass vortex radius, and the radial load had the greatest impact on the slip rate of the cage; when the radial load was 1084 N, the rotational speed was 21036 r/min, and the wall inclination angle was 5.8°, the stability of the retainer was the best. At the same time, the stability of the cage under different rotational speeds and radial loads before and after optimization was compared and analyzed. It was found that the stability of the two cages first increased and then decreased with the increase of rotational speed and radial load, and the stability of the cage of the optimized bearing was improved. The outcomes of the research can serve as a guide for designing the structure of needle roller bearings under high-speed working conditions.
- needle roller bearing with V-shaped pocket /
- high-speed /
- genetic algorithm /
- vortex radius deviation ratio /
- cage stability

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图 1 保持架结构示意图

Figure 1. Schematic diagram of cage structure

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图 2 V型兜孔保持架滚针轴承结构示意图

Figure 2. Schematic diagram of V-shaped pocket cage needle roller bearing structure

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图 3 V型兜孔保持架滚针轴承仿真模型

Figure 3. Simulation model of V-shaped pocket cage needle roller bearing

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图 4 仿真结果与文献结果对比

Figure 4. Comparison between simulation results and experimental results

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图 5 NSGA-Ⅱ遗传算法Pareto解集

Figure 5. NSGA-Ⅱ genetic algorithm Pareto solution set

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图 6 质心涡动半径偏差比随转速的变化规律

Figure 6. Variation law of deviation ratio of center of mass vortex radius with rotational speed

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图 7 打滑率随转速的变化规律

Figure 7. Variation law of slip rate with rotational speed

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图 8 质心涡动半径偏差比随径向载荷的变化规律

Figure 8. Variation law of deviation ratio of center of mass vortex radius with radial load

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图 9 打滑率随径向载荷的变化规律

Figure 9. Variation law of slip rate with radial load

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表 1 HK0608滚针轴承材料参数

Table 1. Material parameters of HK0608 needle roller bearings

材料	密度/10³ （kg/m³）	弹性模量/GPa	泊松比
1010钢	7.85	200	0.3
SPCC-JIS G3141钢	7.86	212	0.288
GCr15	7.80	207	0.29

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表 2 HK0608滚针轴承主要结构参数

Table 2. Main structural parameters of HK0608 needle roller bearings mm

参数	数值
轴径d	6
外径D	10
宽度B	8
滚子直径D_w	1.5
滚子长度L	4.5
滚子数Z	8
径向游隙G_r	0.01
兜孔间隙C_s	0.22

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表 3 正交试验因素及水平

Table 3. Orthogonal experimental factor level

水平	因素值
水平	A/N	N/（r/min）	C/（°）
1	500	15000	0
2	1000	20000	5
3	1500	25000	10

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表 4 正交试验表及仿真计算结果

Table 4. Orthogonal experimental table and simulation calculation results

试验号	因素值			σ_r	S/%
试验号	A/N	N/（r/min）	C/（°）	σ_r	S/%
1	500	15000	0	0.4515	0.0353
2	500	20000	5	0.1517	0.0301
3	500	25000	10	0.3182	0.0238
4	1000	15000	5	0.1386	0.0012
5	1000	20000	10	0.0799	0.0033
6	1000	25000	0	0.2451	0.0066
7	1500	15000	10	0.4258	0.0067
8	1500	20000	0	0.2409	0.0012
9	1500	25000	5	0.1077	0.0142

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表 5 质心涡动半径偏差比极差表

Table 5. Deviation ratio range table of center of mass vortex radius

水平	涡动半径偏差比平均值
水平	A	N	C
1	0.3071	0.3386	0.3125
2	0.1545	0.1575	0.1327
3	0.2581	0.2237	0.2746
极差	0.1526	0.1811	0.1798

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表 6 打滑率极差表

Table 6. Slipping rate range table

水平	保持架打滑率平均值
水平	A	N	C
1	0.0298	0.0144	0.0144
2	0.0037	0.0115	0.0152
3	0.0074	0.0149	0.0113
极差	0.0261	0.0034	0.0039

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表 7 不同转速下3种轴承的质心轨迹图

Table 7. Centroid trajectory diagrams of three types of bearings at different rotational speeds

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表 8 不同径向载荷下3种轴承的质心轨迹图

Table 8. Centroid trajectory diagrams of three types of bearings under different radial loads

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