| 1. | Stability study of radial - thrust floating - ring hybrid bearing
球磨机主轴承的动静压润滑 |
| 2. | Radial - thrust floating - ring hybrid bearing , which can not only sustain the radial load but also the axial load , colligate the strongpoints of pure dynamic and static bearings
径?推联合浮环动静压轴承自二十世纪七十年代经提出后，已进行了较为系统的研究。 |
| 3. | This paper is a part of the research project named the static and dynamic characteristic research of the radial - thrust floating ring hybrid bearing which is supported by the natural science and technology research foundation of the nation
本文完成的工作是国家自然科学基金项目“径向?推力联合浮环动静压轴承静、动特性研究”中的一部分。 |
| 4. | At the same time , the temperature fields of the radial - thrust floating ring hybrid bearing which includes the lubricant inertia item is discussed , the associated equations and the boundary conditions of temperature are given
同时，本文对计入惯性项下径推联合浮环轴承的温度场问题进行了理论研究，首次导出了该种情况下的联立方程组和边界条件。 |
| 5. | In this paper , based on the theory of radial - thrust floating ring hybrid bearing , the dynamic characteristic test for this kind of hybrid bearing is accomplished on the self - made test stand , the dynamic characteristics of the testing bearing are got , and the dynamic characteristic coefficients of the thrust part of the bearing are measured for the first time , the result of the test is compared with the theoretical calculation
本文是在径向?推力联合浮环动静压轴承理论研究的基础上，利用自制的实验台完成了对该轴承的动特性试验研究，首次得到了测试轴承的动态特性，并将实验结果和理论计算进行了对比。 |
| 6. | Furthermore , the temperature fields of the radial - thrust floating ring hybrid bearing which includes the lubricant inertia item is stud ied for the first time , the reynolds and energy equations are derived , the relationship between viscosity and temperature as well as the boundary condition of pressure and temperature are developed
此外，本文还首次对考虑惯性项下该动静压轴承的温度场进行了理论研究，建立了数学模型，导出了该浮环动静压轴承径向部分、推力部分的能量方程、雷诺方程以及粘温关系、压力、温度边界条件等。 |
| 7. | Exciting method is used to measure the damping , the four damping coefficients of the radial part and a damping coefficient of the thrust part can be obtained though hammering the testing bearing which is in a equilibrium position . based on the testing data , the dynamic characteristic curves of the radial - thrust floating ring hybrid bearing are drawn and compared with the theoretical curves
采用激振法测量轴承的阻尼，对处于平衡位置的测试轴承分别沿水平方向、上45度方向及轴向进行锤击，根据锤击法原理求得各个转速下轴承径向部分内、外膜总阻尼系数以及推力部分内、外膜总阻尼系数。 |
| 8. | My paper attempts to attain some conclusions from this study of gas cavity , and these conclusions may be useful to controlling bearing operation . the oiling system is an important part of radial - thrust floating - ring hybrid bearing . there are some factors that lead to the variation of oil - pressure in the oiling system
本论文试图从理论方面研究由于供油压力变化导致气穴现象(这时候呈现两相流润滑)对径?推联合浮环动静压轴承动静态特性的影响，为以后可能寻求主动控制作了准备。 |
