| 1. | Standard test method for wear life of solid film lubricants in oscillating motion 摆动中固态膜润滑剂磨损寿命的标准试验方法 |
| 2. | Determining endurance life and load - carrying capacity of dry sold film lubricants falex method , method for 干性固态薄膜润滑剂的耐久磨损寿命和承载能力的测定方法 |
| 3. | For optimum wear life , centre distance between two sprockets should normally be within the range 30 to 50 times the chain pitch 为了获得最佳磨损寿命, 2个链轮间的中心距通常应是链条节距的30至50倍。 |
| 4. | The result of calculation realized the influence of the temperature field to wear simulation and uncertainty factor to abraion life . consequently realized t he target of high - reality simulation 计算结果实现了温度及压力对磨损仿真的影响,不确定因素对磨损寿命的影响,从而实现了高真感仿真的目标。 |
| 5. | And the results are given in different conditions . in my thesis , the three - dimensional fea model can be used to analyze the contact , while the wear longevity equation is used to calculate the longevity 本文所提出的刷式密封的三维有限元模型能够利用ansys对刷式密封的接触问题进行分析,磨损寿命公式可以计算出刷式密封的磨损寿命。 |
| 6. | The factor of abrasion possesses great proportion in the ingredient of affecting the life time of machine facility . the abrasion life time is a mainly considered factor when predict the remain life time of machine facility 在影响机械设备寿命的因素中,磨损占有很大比重,因此在对机械设备进行剩余寿命预测时,磨损寿命是一个主要考虑因素。 |
| 7. | On the one hand , there is grea t influence of temperature field factor and reliability theory on the wear process of parts , which cannot be ignored ; on the other hand , because of the uncertainties of outer circumstances were longevity should adopt the expression form of probability longevity 一方面,温度和应力一样对零件的磨损过程影响很大,都应纳入磨损的计算过程中;另一方面,外界环境的不确定因素很多,磨损寿命应该采用概率寿命的表述形式。 |
| 8. | Results are presented showing the influence of original interference between bristles and shaft , differential pressure , bristles " rows and slope on the contact pressure . the contact pressure can be calculated by bp arithmetic of nerve net on matlab successfully . based on brush seals wear theory and the given solid wear equation , the wear and longevity equation of brush seal are set up 根据刷式密封磨损机理和特点,利用已有的固体磨损公式,建立了刷式密封磨损量的计算公式,推导出刷式密封磨损寿命的理论计算公式,并在不同的实际工况参数条件下进行了相应的磨损寿命计算。 |
| 9. | It brings out a kind of simplified three - dimensional model in the contact analysis . then combined with ansys software , the contact of brush seal is analyzed wholly , and the longevity ' s equation of seals is derived from the calculation . from the analytic results , we can get the longevity related to parameters 首先提出一种用于刷式密封接触分析的三维简化模型,然后利用有限元分析软件ansys对刷式密封进行了较完整的接触分析计算,推导出计算刷式密封磨损寿命的理论公式,利用获得的分析结果计算出与刷式密封工况参数相关的磨损寿命。 |
| 10. | As for complicated dynamic wear , its whole process from beginning to end has not been comprehended clearly up to the present , and there are still three difficult problems awaited to solve , which include the wear longevity forecast of the rub , status surveillance and parameter optimization design 然而,现行的磨损研究方法普遍采用大量的模拟试验来进行经验性的探索,而对复杂的动态磨损问题,至今还难以清楚地了解其从始至终的全过程,仍然存在三大难题有待于解决。它们是:摩擦副磨损寿命预测、状态监测及参数优化设计。 |