高速频繁起停球轴承设计与试验

李鸿亮; 郝大庆; 郑艳伟; 陈志军; 卫晓博

doi:10.13224/j.cnki.jasp.20210330

高速频繁起停球轴承设计与试验

doi: 10.13224/j.cnki.jasp.20210330

中国机械工业集团有限公司洛阳轴承研究所有限公司，河南洛阳 471039

详细信息

作者简介:
李鸿亮（1982-），男，高级工程师，硕士，主要从事轴承设计及应用。

通讯作者:
郑艳伟（1991-），男，工程师，硕士，主要从事轴承设计、动力学仿真分析及轴承应用。E-mail：2217768638@qq.com

中图分类号: V231.96;TH133.33
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- 文章访问数: 87
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- 被引次数: 0
出版历程
- 收稿日期: 2021-06-28
- 刊出日期: 2021-12-28

Design and test for ball bearings under high-speed and frequent start-stop

Luoyang Bearing Research Institute Corporation Limited，China National Machinery Industry Corporation，Luoyang Henan 471039，China

摘要

摘要: 为解决涡轮起动机用轴承在高速、频繁起停工况下易失效的问题，结合轴承设计准则，进行涡轮起动机用轴承结构参数设计和材料选取。基于轴承动力学理论，建立了动力学模型并进行了仿真分析，研究高速、频繁起停工况下的轴承动力学行为。在自主研发的试验机上进行轴承试验，试验过程中监测轴承温升及振动加速度值，轴承频繁起停、最高转速达12 000 r/min时，试验轴承温度低于130 ℃，振动加速度低于3.0g，试验后轴承无异常，验证了轴承设计和材料选取合理。通过优化设计和试验验证结果表明：轴承转速可达12 000 r/min，起动时间仅需60 s，停止时间仅需40 s，轴承能够完成连续频繁起停3 000次以上。
- 频繁起停 /
- 球轴承 /
- 接触应力 /
- 保持架打滑率 /
- 振动加速度
Abstract: To solve the bearings failure of turbine starters under the conditions of high-speed and frequent start-stop，the structure parameters design and material selection for turbine starters were carried out in combination with the design criteria of bearings.Based on the dynamics theory of bearings，the dynamic model was established and simulated.The dynamic behaviour for bearings of high speed，frequent start-stop conditions was investigated.The bearing test was carried out on the self-developed testing machine.During the test，the bearing temperature rose and vibration acceleration value were monitored.In case of bearing frequent start-stop and the maximum speed reaching 120 000 r/min，the test bearing temperature was lower than 130 ℃，and the vibration acceleration was lower than 3.0g.After test，the bearing was not abnormal，verifying that the bearing design and material selection were reasonable.Through optimized design and test verification，the bearing speed could be raised to 120 000 r/min，the starting time only needs $60 s$ ，and the stopping time only needs 40 s，and the bearing can complete more than 3 000 continuous frequent start-stop.
- frequent start-stop /
- ball bearing /
- contact stress /
- cage slip ratio /
- vibration acceleration

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