1.成都大学 机械工程学院, 四川 成都 610106
王小龙(1985─ ),男,四川成都人,硕士,实验师,研究方向为机械传动技术。
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王小龙.滚柱包络端面啮合蜗杆传动闪温特性分析[J].机械传动,2020,44(10):148-153.
Wang Xiaolong.Analysis of Flash Temperature Characteristic of the Roller Enveloping End Face Engagement Worm Drive[J].Journal of Mechanical Transmission,2020,44(10):148-153.
王小龙.滚柱包络端面啮合蜗杆传动闪温特性分析[J].机械传动,2020,44(10):148-153. DOI: 10.16578/j.issn.1004.2539.2020.10.022.
Wang Xiaolong.Analysis of Flash Temperature Characteristic of the Roller Enveloping End Face Engagement Worm Drive[J].Journal of Mechanical Transmission,2020,44(10):148-153. DOI: 10.16578/j.issn.1004.2539.2020.10.022.
为了研究滚柱包络端面啮合蜗杆传动的闪温特性,提高抗胶合能力,在滚柱包络端面啮合蜗杆传动啮合理论和摩擦学的基础上,建立了弹流润滑下端面蜗杆和滚柱蜗轮之间摩擦因数的数学模型,分析了啮合传动过程中摩擦因数的时变规律。在此基础上,基于摩擦学原理和Blok闪温理论,建立了弹流润滑下滚柱包络端面啮合蜗杆传动闪温的计算模型。运用Matlab软件进行了数值仿真,得出滚柱包络端面啮合蜗杆传动某一啮合齿对从啮入到啮出齿面闪温的分布规律,并分析了输入功率、润滑油黏度、滚柱半径和喉径系数对齿面闪温特性的影响。结果表明,为了保持该传动副具有良好的胶合承载能力,输入功率和润滑油黏度不宜过大,滚柱半径和喉径系数不宜过小。研究结果对进一步研究滚柱包络端面啮合蜗杆传动齿面抗胶合能力、热应力分析等有重要意义。
In order to improve the scuffing load capacity and study the flash temperature of roller enveloping end face engagement worm drive, the mathematical model of friction coefficient between end face worm gear and roller gear under elastohydrodynamic lubrication is established based on tribology and meshing theory of roller enveloping end face engagement worm drive. The time-varying law of friction coefficient is analyzed in the meshing process. On this basis, the calculation model of flash temperature of roller enveloping end face worm drive under elastohydrodynamic lubrication is built based on tribology principle and Block flash temperature theory. The distribution of flash temperature of roller enveloping end face engagement worm drive is analyzed by using Matlab software from mesh in to mesh out. And the input power, lube oil viscosity, roller radius and orifice coefficient, which impacted the flash temperature of this transmission pair are analyzed. The numerical example shows that the input power and lube oil viscosity should not too bigger, roller radius and orifice coefficient should not too smaller,for effectively improving the scuffing strength of the roller enveloping end face engagement worm drive.The research result is very significant for the study of scuffing strength and thermal stress analysis of roller enveloping end face engagement worm drive.
滚柱包络端面啮合蜗杆摩擦因数闪温
Roller envelopingEnd face engagement worm gearFriction coefficientFlash temperature
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