| 1. | Aerospace fitting joint assembly , radial sealing . o - rings . dimensions
航空航天径向密封装配连接组件. o形圈.尺寸 |
| 2. | Screwed sealing plugs , radial sealing . iso metric thread profile and tolerances
螺纹密封塞. iso米制螺纹牙形和公差 |
| 3. | Aerospace fitting joint assembly , radial sealing . male thread fittings . iso metric thread profile and tolerances . dimensions
航空航天径向密封装配接头组件.阳螺纹接头. iso米制螺纹牙形和公差.尺寸 |
| 4. | Aerospace fitting joint assembly , radial sealing . internal thread bosses . iso metric thread profile and tolerances . dimensions
航空航天径向密封装配接头组件.内螺纹套管. iso米制螺纹牙形和公差.尺寸 |
| 5. | The innovative dishing ring not only possesses end - face sealing capacity , but also has some radial seal and clean function
改进的碟形密封圈不但具有端面密封能力，而且将具有一定的径向密封和擦拭功能。 |
| 6. | Radial sealing can e mechanical seal to ensure without leaking within 8000 hours and also can be packing seal , so the maintenance is very convenient
轴封可以选择机械密封，保证8000小时无泄漏，也可以选择填料密封，保养维护十分方便。 |
| 7. | According to achievements in research , using face - radial sealing structures can adapt to the developing trend of increasing rotary speed of cone bit to a certain extent in lubricating system of bearing seal , which is cramp to bit service life
本文的研究表明，在伟l ]约钻头寿命的轴承密封润滑系统中，采用端面一径向组合密封结构能够在一定程度上适应牙轮钻头转速提高的发展趋 |
| 8. | To enhance the reliability of bearing seal of cone bit , this paper plans to adopt face - radial combination sealing structures ; that is to say , end - face and radial seal are arranged in one bit simultaneously . the nonlinear finite element method is applied to analyze and optimize the design of sealing structures
为了提高牙轮钻头轴承密封的可靠性，本文设计采用端面-径向组合密封结构，即在一只钻头中同时布置端面和径向密封，采用非线性有限元方法对密封结构进行分析和优化。 |
