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大承载波箔型空气动压轴承性能的工程实验研究
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中物院应用技术开发重大项目(K94815CLJ);四川省战略新兴产品计划项目(2011GZX0098);四川省国防科工办项目


Engineering Experimental Investigation on the Performance of Large Load Capacity Air Foil Bearing
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    摘要:

    通过工程实验的方法,研究大承载波箔型空气动压轴承的性能。通过构建倒置式的动压轴承实验系统,对设计的用于132 kW风机的动压轴承进行起飞特性、承载能力、涂层效果、轴承间隙、启停寿命等工程实验研究。提出一种采用动力学方法来确定空气动压轴承起飞转速的方法,使起飞转速的判断更准确。对实际制造的轴承的工程实验表明,该轴承能在5 000 r/min左右起飞,承载能力大于154 N;涂层的减磨耐磨效果良好,能满足10 000次的启停要求;轴承的实际使用性能在间隙在03 mm左右时最佳。

    Abstract:

    Through the engineering experimental method,the performance of large load capacity air foil bearing was investigated.Through the construction of inverted dynamic pressure bearing experimental system,the takeoff characteristics,bearing ability,coating effect,bearing clearance and start stop life of the designed dynamic pressure bearing used for 132 kW wind turbine were experimentally investigated.A method was proposed to determine the takeoff speed of air foil bearing by using dynamics method,which could determine for the takeoff speed more accurately.The engineering experimental results for the practical manufactured bearing show that the bearings can take off at about 5 000 r/min,and its load capacity is greater than 154 N.The coating posses good friction reducing and antiwear effect,which can satisfy the 10 000 times of start stop requirements.The actual performance of the bearing is the best when the gap is about 03 mm.

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舒行军,徐刚,郑越青,肖永华.大承载波箔型空气动压轴承性能的工程实验研究[J].润滑与密封,2017,42(4):125-131.
. Engineering Experimental Investigation on the Performance of Large Load Capacity Air Foil Bearing[J]. Lubrication Engineering,2017,42(4):125-131.

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  • 在线发布日期: 2017-06-14
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