Yang Shufeng,Gao Yang,Wang Feng,et al.Simulation and Experimental Verification of Barrel Finishing of Spiral Bevel Gears Based on the DEM[J].Journal of Mechanical Transmission,2022,46(11):122-126.
Yang Shufeng,Gao Yang,Wang Feng,et al.Simulation and Experimental Verification of Barrel Finishing of Spiral Bevel Gears Based on the DEM[J].Journal of Mechanical Transmission,2022,46(11):122-126. DOI: 10.16578/j.issn.1004.2539.2022.11.019.
Simulation and Experimental Verification of Barrel Finishing of Spiral Bevel Gears Based on the DEM
弧齿锥齿轮齿面形状为空间曲面,齿面粗糙度的变化可对其啮合性能产生显著的影响,直接影响系统的振动、承载等性能。采用平行主轴式滚磨光整工艺对某航空弧齿锥齿轮的齿面粗糙度开展了理论仿真及实验研究。建立工艺运动的数学模型,推导出磨料与齿面间切削速度的公式,分析了影响结果的主要因素;借助EDEM软件的Hertz-Mindlin with archard wear模型,仿真了齿面磨损情况;采用该工艺对盘式弧齿锥齿面的表面质量进行了实验研究。结果表明,采用该工艺可使齿面毛刺消除,边角倒圆,齿面粗糙度,,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=37400195&type=,http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=37400192&type=,3.47133350,3.72533321,从0.8 μm降至0.4 μm左右,齿面形貌趋于各向同性,为后期研究齿轮接触性能和工业应用奠定了基础。
Abstract
The tooth surface of spiral bevel gears is a spatial curved surface, and the change of tooth surface roughness can have a significant impact on its meshing performance, directly affecting the vibration, bearing and other performance of the system. A theoretical simulation and an experimental research of an aviation spiral bevel gear is carried out using the parallel spindle type barrel finishing process, a mathematical model of the process motion is established, the formula of cutting speed between abrasive and tooth surface is deduced, and the main factors affecting the result are analyzed; with the help of the Hertz-Mindlin with archard wear model of the EDEM software, the tooth surface wear is simulated; through this process, the surface quality of the disc spiral bevel gear surface is experimentally studied. The results show that using this process, the burr of the gear surface can be eliminated, the corner is rounded, the ,R,a, of gear surface is reduced from 0.8 μm to about 0.4 μm, and the tooth surface morphology tends to be isotropic, which lays a foundation for further research of gear contact performance and industrial application.
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