| 1. | A side effect of wear occurring in the mixed film lubrication regime is the formation of organic residues through interaction between the fluid and the wear process 混合油膜润滑模式存在的副作用是液体与磨损过程中会产生有机残余物。 |
| 2. | As a matter of fact , information characteristics are limited by using a single monitoring technique in order to diagnose the type of wearing parts , degree of wear and wear process 事实上,单一油液监测方法所能捕捉的信息特征是有限的,不能准确诊断出零件磨损的种类、磨损程度和磨损过程等。 |
| 3. | It is believed that the exposure of highly reactive surfaces during the wear process along with the high temperatures at asperity contacts act to " polymerize " the fluid , forming a viscous sludge , which inhibits bearing rotation 研究表明,高温下的金属表面在磨损过程中会产生粘稠的“聚合物”物质,形成粘稠的油泥,阻碍了轴承旋转。 |
| 4. | The wear process of tribology system in general meaning has been analyzed and discussed . using dynamical system theory and the methods of model building to analyze the spectrometric oil analysis data with time series method 特别是对润滑油使用性能影响较大的氧化、沉积物、添加剂损耗等的原因作了较为详细的论述,为进一步研究润滑油使用状况打下了良好的基础。 |
| 5. | 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。 |
| 6. | In this study , based on bispectrum and bicoherence extraction of vibration acceleration signals at spindle end of a vertical machining center while milling operation , change rules of bispectrum and bicoherence of the signals were analyzed for the progressive wearing process of the flank wear land of the milling cutters 通过提取铣削加工过程中机床主轴端振动加速度信号的双谱及其双相干系数,分析了铣刀后刀面渐进磨损过程双谱及其双相干系数的变化规律。 |
| 7. | 3 . the diamond segment wear process was analyzed by testing the weight of segment before and after sawing . the patterns of wear and breakage of diamond grits and bond wear mechanism of the blade were analyzed based on the observation on the working surface of the saw blade by stereo microscope and scanning electronic microscope 采用称重法测量锯切过程锯片节块磨损量,并通过计算磨削比,分析了混凝土锯切过程金刚石节块的磨损特性及其影响因素,并采用sem和体视显微镜观察节块不同部位工作表面和金刚石的磨损破坏情况,研究了金刚石磨损破坏的主要形式和胎体材料的磨损形态。 |
| 8. | The results show that : the whole bit wear process can be divided into three phases ; the regularity of the machining time per hole with the number of holes machined is close to a periodic variation ; higher machining efficiency or working life can be obtained when the drilling pressure and the wall thickness of the bit are advisable 发现钻头的整个磨损过程可分为3个阶段;孔加工时间随孔数近似呈周期性变化;钻压和钻头壁厚适当时,可获得更高的加工效率或者工具寿命。 |
| 9. | Based on the discrete mathematics and computer technology , a numerical simulation model is presented in this paper , and it can be used to deal with the wear process characterized by dynamic and non - linear systems , facilitating the above mentioned three difficulties , moreover , the high reality of the numerical simulation is emphasized , which increases the authenticity of the numerical simulation 本文基于离散数学理论和计算机技术提出了一种数值仿真模型,可用于解决复杂动态非线性系统的磨损问题,为彻底解决上述三大难点创造了条件,并着重突出数值仿真的高真感性,增加了数值仿真模拟现实的真实性。 |