随着航空发动机技术的发展，对滚珠轴承的速度特性要求也越来越高。
With the development of aeromotor technology, more strict speed performance of ball bearing is required.
小滚珠的临界速度，也许是每秒几百米。
Well, this critical speed for a small ball bearing would be some hundred meters per second.
不是半径，而是这些滚珠的直径。
Not the radii but I will give you the diameters of these ball bearings.
现在的问题是，如果滚珠开始下落，会达到多大速度呢？
And so the question now is, if this ball bearing starts to fall, what is the speed that it will achieve?
这个例子好一些：“Widgets公司生产各种大小的滚珠轴承。”
This is better: "Widgets, Inc. provides ball bearings of all sizes."
分析了滚珠丝杠副的原理及结构形式。
The rule and the composition of the ball screws were analyzed.
所排放的热空气直接用于干燥轴承滚珠。
The exhausted hot air is directly used to dry bearing balls.
凡有可能，就使用滚柱轴承和滚珠轴承。
我们公司经营滚珠轴承。
选择滚珠除臭剂和美容产品而不是喷雾罐。
Opt for roll on deodorant and beauty products rather than aerosol cans.
前后端盖装有永久密封和自润滑的滚珠轴承。
Permanently sealed and lubricated ball bearings front and rear.
活动部件是由合金钢制成，并且在滚珠轴承上运行。
The moving parts are made of alloy steel and run on roller bearings.
每个驱动接口模块均可由一根或两根滚珠丝杠驱动。
Every driving interface module could equally be driven by one or two ball leading screws.
减摩轴承基本上有滚珠轴承、滚柱轴承和滚针轴承三种。
The three basic types of antifriction bearings are ball bearings, roller bearings, needle bearings.
本传动系统由交流伺服电机、滚珠丝杠及直线导轨等组成。
The drive system consists of AC servomotor, ball screw and rectilinear orbit etc.
该方法也可作为其它机械用滚珠丝杠副选用和计算的参考。
This method can be applied in the selection and calculation of ball-screw pairs for other machines.
在工厂自动化和办公自动化中，低噪音的滚珠丝杠更为适合。
Quieter ball screws are needed especially in the areas of Factory Automation and Office Automation.
介绍并联机床单支路的结构与设计，并对滚珠丝杠进行计算。
The article introduces structure and design of parallel connected machine tool single spur track, and calculation of ballscrew.
依据日常生活中的口哨原理提出了一种新型滚珠旋转脉冲喷嘴。
This paper advances a novel rotary ball pulsing nozzle based on whistle principle in daily life.
介绍滚珠丝杠精磨误差的实时测量、补偿和控制的原理和方法。
A principle and method for error measuring, compensation and control of grinding processes of ball screws is described.
滚珠丝杠由于运动效率高、发热小，故可实现高速进给(运动)。
Ball screw due to high movement efficiency, small heat, it can achieve high-speed feed (motion).
期望用箔片轴承取代现在在火箭发动机涡轮泵上应用的滚珠轴承。
It is expected that foil bearing is substituted for ball bearing used in present turbopumps.
为了增加接触面积并承受较大载荷，滚珠在内外环的曲线槽内滚动。
To increase the contact area and permit larger loads to be carried, the balls run in curvilinear grooves in the rings.
水晶透明滚珠体香剂是由天然矿物盐制成，完全不添加任何香料。
Natural Deodorant Protection - Crystal Body Deodorant Roll-on is made of natural mineral salts and is completely free of perfumes.
因此，通过多道次滚珠旋压可实现大减薄量薄壁筒形件的旋压成形。
Therefore, the spinning of thin-walled tube with large thickness reduction can be realized through multi-pass ball spinning.
另外，滚筒在外筒里转动时，洗衣机上不合格的滚珠轴承给它施加了额外的压力。
The washer also comes with substandard ball bearings that put additional pressure on the drum while it spins inside the tub.
另外，滚筒在外筒里转动时，洗衣机上不合格的滚珠轴承给它施加了额外的压力。
The washer also comes with substandard ball bearings that put additional pressure on the drum while it spins inside the tub.
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