系统地研究了铸铁材料在干滑动摩擦条件下的摩擦学特性。
The tribological characteristics of cast iron under dry sliding condition was systematically investigated.
文摘：系统地研究了铸铁材料在干滑动摩擦条件下的摩擦学特性。
Abstract: The tribological characteristics of cast iron under dry sliding condition was systematically investigated.
然而，在某些应用条件下，钛合金的硬度低，摩擦系数大，耐磨性差。
However, in some application conditions, low hardness, big friction coefficient and poor wear resistance confine its extensive application in engineering.
详细介绍了圆盘式飞剪各主要参数的确定，包括交角、咬入条件、剪刃重叠量、摩擦系数、轧制速度等。
Setting main parameters of disc flying shears are presented in detail. including cut Angle, bite conditions, amount of scissors overlapping, friction coefficient and rolling speed etc.
通过建立砂粒自锁条件及实测长石砂岩、石英砂岩与泵筒镀铬层或氮化层的滑动摩擦系数值，证实了对柱塞拉伤失效原因的推测是正确的。
The deduction is confirmed by establishing self locking conditions and determining the sliding friction coefficients between sand and chromium plating layer and between sand and nitrided surface.
研究发现稳态摩擦系数的数值依赖于介质性质和实验条件。
It was found that the value of steady friction coefficient was depended on the fluidic medium property and experimental conditions.
摩擦片正常工作的条件之一是其内部温度与工作环境温度差保持动态平衡。
Keeping dynamic equilibrium of friction sheet internal temperature and working environmental temperature was required to ensure it work normally.
双周数表通用性较强，在一般的生产条件下，可以不考虑模角、摩擦系数、管材材质及其状态等因素；
Under normal production conditions, the die angle, friction coefficient, tube material and material temper can be neglected in the calculation.
为了测试微观条件下材料表面的摩擦学性能，给出了一种微摩擦力的光学测试方法。
An optical testing method of micro-friction and its principle was introduced to characterize the friction properties of material surface under microcosmic conditions.
对不同制动和驱动条件下轮胎摩擦力进行了计算，取得了同试验数据吻合很好的预测结果。
When calculation is made for tyre frictional force according to different braking and driving conditions, predicted result is obtained in very good conformation with the tested data.
本文采用有限元素方法在螺纹面无摩擦力的条件下对过盈配合的螺栓、螺母进行了分析计算。
In this paper, we give an analysis for friction-free interference fit bolt using the finite element method.
运用摩擦学原理提出了轮胎磨损的分类形式，为正确预测正常工作条件下的轮胎磨损率提供了必要的基础知识。
The wear classifications are presented based on the principle of Tribology, which provide the fundamental knowledge for correctly predicting tire wear rate at normal service conditions.
通过对摩擦学系统条件转化的研究和转化实例分析，提出了解决摩擦学系统条件转化问题的新思路和方法。
The new concept and method to deal with the transformation problem of tribo-system conditions were suggested by making use of artificial intelligence and artificial neural network.
本文通过在最新研制的MMU—5型试验机上的大量试验，得出了在该机上进行摩擦学特性实验研究的标准试验条件。
In this paper, through a lot of experiments on the new Model MMU - 5 tester, a set of standard conditions for the experimental study on tribology characteristics of the tester are obtained.
在实验室条件下，对热轧时温度对摩擦系数的影响进行了试验研究。
The influence of hot rolling temperature on coefficient of friction is studied in laboratory.
该机可以在真空、充不同气体、加热及冷却等多种条件下进行材料的摩擦学性能测试。
Tribology properties test could be made on this tester under different conditions, such as vacuum, filled with different gas, heating and cooling.
同时，给出了不同条件下密集颗粒样本的生成方法，分析了边界应力、初始构型、加载速率、粒子间的摩擦系数等对颗粒系统目标构型的影响。
The influences of boundary stress, initial configuration, loading rate and friction coefficient between particles on the state and configuration of dense granular system are also examined.
本文建立了滚锥包络环面蜗杆传动蜗轮的变形协调条件，给出了该种传动受力分析的计算公式以及蜗轮与蜗杆之间滚滑摩擦系数计算公式；
The deformation coordination equation of worm gear for rolling cone worm gearing is introduced, and the formulae of forces analysis and the rolling - and - sliding friction coefficient are given.
建立了摇摆条件下圆管内的层流流动模型，推导出无量纲化的速度表达式，得到摩擦阻力系数关系式。
The model of laminar flow in tubes in rolling motion is established. The dimensionless correlation of velocity is derived, and the correlation of frictional resistance coefficient is also obtained.
结果表明：摇摆条件下摩擦阻力系数随时间周期性波动，波动周期等于摇摆运动周期。
The results show that the friction coefficient in rolling condition fluctuates with time and the period is equal to that of rolling movement.
采用作者设计的一种新型测量薄板深冲成形过程中工具与工件之间摩擦系数的模拟装置，测定了相同材质的带材在不同条件下的摩擦系数。
All friction coefficients between deformed press and die during sheet metal deep drawing were tested using new kinds of friction test device designed by authors.
通过数值仿真分析低速进给下静动摩擦力差值和传动刚度变化对工作台输出的影响，得出工作台产生爬行运动的可能性条件。
And the influences of the variance of the static and kinematic friction and the transmission stiffness on the outputs of the worktable were analyzed with numerical simulations.
梯度薄膜在较大的载荷条件下，具有良好的滑动摩擦性能。
The gradient(Ti, Nb)N film possesses better sliding friction property under higher loads.
本文以板坯连铸机为研究对象，对液压振动条件下结晶器和铸坯间的瞬态摩擦力进行测试和分析。
Based on a slab caster which is equipped by hydraulic oscillators, the transient friction force between mould and strand shell was measured and analyzed.
为提高在金属模压工艺条件下的取向度，应加大取向外磁场或者采取减小磁粉与模具之间摩擦力的措施。
To improve the alignment degree of sintered Nd - Fe - B magnets on die pressing conditions, taking technologic measures such as in…
为提高在金属模压工艺条件下的取向度，应加大取向外磁场或者采取减小磁粉与模具之间摩擦力的措施。
To improve the alignment degree of sintered Nd - Fe - B magnets on die pressing conditions, taking technologic measures such as in…
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