查询词典 threshold friction

This dissertation systematically studies the principle of twist-roller friction drive, and builds an ultraprecision positioning system with long stroke using the twist-roller friction drive.

本学位论文系统地研究了扭轮摩擦传动系统的原理与实现技术，并研制了一台采用气浮导轨的大行程、高精度一维运动平台。

Based on the measurement of noise of an idling lathe C630,the effects of gear tooth friction on change gear noise ,and the relation between friction excitation frequency and gearing frequency were analyzed.

结果证明：齿面摩擦对齿轮振动的激励频率是啮合频率的2倍，可以利用适当的润滑有效地抑制齿轮噪声的高频成分。

The working principle of spring friction draft gear for heavy haul freight cars was introduced,and a virtual prototype model of spring friction draft gear was established based on the ADAMS software.

介绍了重载货车弹簧摩擦式缓冲器的工作原理，采用ADAMS多体动力学仿真软件搭建了弹簧摩擦式缓冲器的虚拟样机模型。

Based on the measurement of noise of an idling lathe C630,the effects of gear tooth friction on change gear noise,and the relation between friction excitation frequency and gearing frequency were analyzed.

以一台C630车床空转噪声的测试数据为依据，分析了齿面摩擦对车床挂轮噪声的影响，以及摩擦激励频率与齿轮啮合频率的关系，并通过涂油润滑降低挂轮噪声的实验对此进行了验证。

The feasibility of composite material friction saw bit has been determined in theory, furthermore, the composite technology of material is tested and analyzed, which provides base for application and research of composite material friction saw bit in-depth.

从理论上论证了复合材料摩擦锯片的可行性，对材料的复合工艺进行了分析与试验，为复合材料摩擦锯片的深入研究及应用奠定了一定的基础。

By applying the ANSYS analytical software, this paper made a detailed analysis on the strength of various structured friction wheel. The deformation cloud diagram of stress and strain of friction wheel was analyzed.

应用ANSYS分析软件对不同结构摩擦轮的强度作了详细分析，分析了摩擦轮应力及应变的变形云图。

It will have the load resistance when the friction of the resistance round rubs with the wheel friction.

在摆臂过程中，手臂与臂动同步挡杆、传动杆、摆杆、轮轴和阻力轮进行同步运动。

Analysis was also made on the influence upon the grinding forces in case of the same friction factor between wheel and workpiece at different grinding speed, as well as in case of different friction factor between wheel and workpiece at the same grinding speed.

分析了砂轮与工件表面之间的摩擦系数相同而磨削速度不同时对磨削力产生的影响，以及磨削速度相同而摩擦系数不同时对磨削力产生的影响。

It is usually the result of a hard, install incorrect wheel friction roller phase, or they may be due to a printing plate between the drum and rubber roller pressure; may also be because of the ink or paper of the particle due to friction.

它凡是是由于与刚健的、安设不不差的轮辊相摩擦引起的；也不定是由印版滚筒与橡皮滚筒之间的不张力过不小变成的；还不定是由于油墨或纸张洋的摩擦性的颗粒摩擦引起的。

A method to analyze the dynamics of piecewise continuous system is presented, based on it, the chaotic oscillation of a harmonically forced spring-mass system with friction is studied. The impact of friction and other parameters on the chaotic oscillation of this system is analyzed.

分析了系统参数和摩擦模型对系统混沌行为的影响；发现了摩擦模型的选取对系统动力学行为分析的重要性；揭示出在一定条件下，系统参数、环境条件或润滑条件的改变都有可能使系统进入无序的混沌运动状态。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。