滚珠

In addition to the terms used by Hertz as the description of a general surface of contact, the present theory will contain the next higher-order terms of its Taylor 's series expansion, such that the coefficients of the Hertz second power terms as well as the dominant fourth-power term is satisfied.

解中的高次量效應是對赫芝理論的一個改進；它的影響隨着外力或接觸椭圓面偏心率的增加而顯得更重要。因此這個解在某些實際應用上如滚珠軸承中滾珠与珠槽間的接觸問題，是较需要的。

This article introduced the design proposal of virtual friction moment measurement system of ball screw unit .

介绍了滚珠丝杠副摩擦力矩虚拟测试系统的设计方案。

The Z axis is driven by an electric motor. Each of the axes are driven by dual ball screws.

每个轴的驱动都是由双滚珠丝杠来完成。

Insulator has normal type and endurant- corrupt according to working surrounding and area, it has ball type and groove type from connect method.

绝缘子已正常类型和endurant -腐败根据工作和周边地区，它滚珠型和Groove类型从连接的方法。

A description is made on a structure and operating principle of the progressive die for grooving and cut-off of junction pole.

论述了用在通用冲床上的接线柱自动送料、切槽、切断级进模的结构形式、工作过程，提出了确定压料滚珠直径的方法。

In the model of ball bearing, three nonlinear factors were considered, such as the clearance of bearing, nonlinear Hertzian contract force between balls and races, and the varying compliance vibration because of periodical variety of contact position between balls and races.

在滚动轴承模型中，充分考虑了滚动轴承的间隙、滚动轴承的滚珠与滚道的非线性赫兹接触力及由滚动轴承支撑刚度变化而产生的VC振动，在转子系统中考虑了由于转子质量偏心而产生的不平衡力。

In the model, the rotor mass unbalance and rubbing fault3 were fully considered. The nonlinear factors of ball bearing, such as the clearance of bearing, nonlinear Hertzian contract between balls and races, and the varying compliance of bearing support were modeled.

在模型中，充分考虑了转子系统的不平衡和碰摩故障的耦合，对滚动轴承模型，充分考虑了轴承间隙、滚珠与滚道的非线性赫兹接触以及山滚动轴承支撑刚度变化而产行的VC振动。

As the rollers roll over the edge of the macropitted boundary, geometric stress concentration creates high Hertzian stresses that cause the macropitting to advance opposite to the direction of rotation of the IR....

当滚珠从宏观麻点的边界处滚过时，局部应力集中会产生很大的Hertzian应力。这会引起宏观麻点逆着内圈的旋转方向延伸/扩大。

Using TaiWan straight _quadrated rail ,which imported from TaiWan.

部件优良：采用台湾产直线方形导轨，双排四列滚珠滑块，承受力大，运行稳定。

To decrease friction between the worm and the nut, balls recirculate in their thread.

为了减少蜗杆和螺母之间的摩擦，滚珠在其螺纹中不断滚动。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。