轴承

Qingdao city mountain the bearings roll the needle factory to locate the city District Xifu industry the park, and have to produce to roll the needle, dollar the pillar two decades with the bearings's history.

青岛城阳江山轴承滚针厂位于城阳区惜福镇工业园，有二十年生产滚针、元柱和轴承的历史。

Firstly, the piston pin boss bearing, the piston pin and the connecting rod small end bearings were taken as a whole system, and the fourth-order Runge-Kutta method was used to solve the rotation speed of the piston pin operating in hydrodynamic lubrication.

首先，将活塞销孔轴承与活塞销及连杆小头轴承作为一个系统，利用四阶的龙格库塔方法求解了活塞销在流体润滑状态下的转动速度。

The frequency characteristics of instant- taneous signal of main abnormalities in diesesl engines,including valve sound, piston pin sound,connecting rod bearing sound and sound from the main bearing of crankshaft are analyzed.

从使用角度出发，采用频域分析法，分析了柴油机中气门、活塞销、连杆轴承、曲轴主轴承等部位主要异响的瞬态信号频率特征。

According to the power transmission shaft and the drive shaft speed design and analysis of the axial force, a strength of the shaft Verification, and select bearings and bearing strength calculation.

根据轴传递的功率及转速设计出各传动轴，并分析轴的受力情况，对轴进行强度校核，并选择轴承和轴承强度计算。

According to the encode principle, analyze the designing of Bearing Manufacturing Process, Process Role, handout and case encode. Fellowing analyze the designing of key knowledge alphas and omegas for bearing manufacturing process question, process role, handout and case. At last emphasized analyze how to realize the system scanning and racing function using SQL.

第四章：根据编码原理，对轴承制造过程、过程角色、课件与案例知识进行编码设计；接着对轴承制造过程问题、过程角色、课件与案例知识的知识要点进行编码与解码设计；最后着重分析采用SQL来实现系统搜索与推理机制。

The home and overseas situation of present research work on thermal analysis of roller bearings is reviewed.

高速滚子轴承的发热直接影响着轴承的工作性能和使用寿命。

Lead Ph Basic load rating Permissible load F P Nut mass Shaft mass Dynamic rating Ca Static rating C 0 a mm kN kN kN kg kg/m 16 81.1 231.3 14.61 20.85 Type using standard material Standard grease Standard seal Iron-based AFB-LF None Dimensions of the Ball Screw Nut Attached with Wiper Ring W and QZ Lubricator WW avail- ability QZ avail- ability Dimensions including WW L Length of protrusion with QZ attached QWL Outer diameer of protru- sion with...

载荷钢球圈列数 DN值预压预压方法预压负荷 2列 2.50圈 70000 有定位置预压 4370 导轨型号丝杠轴加工方式球保持器轴的花键部分中空轴滚珠精密无无无轴承支撑座固定侧的推荐方式轴承支撑座支撑侧的推荐方式螺母种类螺纹方向间隔钢球无无双螺帽右螺纹，左螺纹，左右螺纹无轴方向刚性。。。

Stroke Lead Ball center-to-center diameter Basic load rating Nut mass Shaft mass Dynamic rating Ca Static rating C 0 a mm mm mm kN kN kg kg/m 70 1 4.15 0.29 0.42 0.01 0.07 Type using standard material Standard grease Standard seal Iron-based AFB-LF None Dimensions of the Ball Screw Nut Attached with Wiper Ring W and QZ Lubricator WW avail- ability QZ avail- ability Dimensions including WW L Length of protrusion with QZ attached QWL Outer diameer...

载荷钢球圈列数 DN值预压预压方法导轨型号 3列 1.00圈 70000 有大球径滚珠丝杠轴加工方式球保持器轴的花键部分中空轴轴承支撑座固定侧的推荐方式精密无无无 EK4， FK4 轴承支撑座支撑侧的推荐方式螺母种类螺纹方向间隔钢球轴方向刚性无单一螺帽右螺纹无 35.0 螺纹条数防尘措施防尘罩形式 W清洁环与QZ润滑装置配用。。。

Lead Ph Basic load rating Permissible load F P Nut mass Shaft mass Dynamic rating Ca Static rating C 0 a mm kN kN kN kg kg/m 6 29 99 3.42 11.31 Type using standard material Standard grease Standard seal Iron-based AFB-LF None Dimensions of the Ball Screw Nut Attached with Wiper Ring W and QZ Lubricator WW avail- ability QZ avail- ability Dimensions including WW L Length of protrusion with QZ attached QWL Outer diameer of protru- sion with QZ atta...

载荷钢球圈列数 DN值预压预压方法预压负荷 1row 2.50圈 70000 有定位置预压 765 导轨型号丝杠轴加工方式球保持器轴的花键部分中空轴滚珠精密无无无轴承支撑座固定侧的推荐方式轴承支撑座支撑侧的推荐方式螺母种类螺纹方向间隔钢球 BK30，FK30 BF30， FF30 双螺帽右螺纹，左螺纹，左右螺纹无轴方向刚性。。。

Lead Ph Basic load rating Permissible load F P Nut mass Shaft mass Dynamic rating Ca Static rating C 0 a mm kN kN kN kg kg/m 5 23.7 84.7 1.69 9.06 Type using standard material Standard grease Standard seal Iron-based AFB-LF RR Dimensions of the Ball Screw Nut Attached with Wiper Ring W and QZ Lubricator WW avail- ability QZ avail- ability Dimensions including WW L Length of protrusion with QZ attached QWL Outer diameer of protru- sion with QZ att...

载荷钢球圈列数 DN值预压预压方法导轨型号 2列 1.50圈 70000 无无滚珠丝杠轴加工方式球保持器轴的花键部分中空轴轴承支撑座固定侧的推荐方式精密无无无 BK30，FK30 轴承支撑座支撑侧的推荐方式螺母种类螺纹方向间隔钢球轴方向刚性 BF30， FF30 单一螺帽右螺纹，左螺纹，左右螺纹无 400.0 螺纹条数。。。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。