磨损的

All of these are a reliable basis for the planetary gear transmission in scraper conveyer in wear-resistance design.

探讨了刮板输送机中行星齿轮传动的弹性流体动力润滑计算，并推导出相应的计算公式；分析了传动润滑状态与磨损的关系，为刮板输送机中行星齿轮传动的耐磨损设计提供了必要的理论依据。

According to abraded shafts in the use, this text analyzes abrasion cause of shafts.

针对轴类零件在使用过程中常会出现磨损的情况，对轴类零件的磨损及其原因进行了分析，介绍了近年来轴类零件修复技术的发展，包括喷涂技术、滚花技术、镀覆技术和堆焊技术，并总结了这些修复工艺的特点和应用情况。

Finally, the numerical simulation approach of tool wear was studid on the basis of numerical simulation of SPIF, and the process parameters on the impact of the tool wear were researched.

最后，在渐进成形数值分析的基础上，探讨了对工具头磨损进行数值模拟分析的方法和流程，并通过仿真，研究了工艺参数对工具磨损的影响关系。

With increasing the speed and axle load of railway,the wear of wheel/rail is becoming more and more serious.

随着列车运行速度和轴重的提高，轮轨系统的磨损越来越严重，其中曲线半径、轴重和运行速度是影响轮轨磨损的重要因素。

It is suggested that worn surface of PEN tape by sand dust particles showed bi-fractal characteristics.Ploughing and cutting by sand particles and micro-fracture were found to be the two main mechanisms for each fractal characteristics in large and small scale.

结果表明：经过沙尘磨粒磨损的PEN薄带表面形貌表现出二重分形特征，沙尘粒子的犁沟和切削磨损及PEN材料的微观断裂是引起大尺度和小尺度区间分形特征的主要机理。

In part Ⅲ, effects of abnomal states in drilling process, such as drill wear, drill breakage, chips clogging etc, on feeding force and motor power will be studied in experimental way.

由此推导出了考虑刀具磨损的新的切削力理论公式，在此基楚上，提出了用静态、动态切削力信号监控刀具磨损的基本思想。

By studying the design of other experiment machine, I took drill machine as the base and power, and then devised the measure equipment and experiment equipment that is can be used to research the friction and abrasion between piston ring and cylinder.

然后深入探讨了活塞环-缸套之间的摩擦磨损的特点，结合有关试验机的设计方案，利用钻铣床作为实验台和动力源，自行设计了适用于研究活塞环-缸套之间摩擦磨损的实验和测量装置，丰富了实验手段，利用它可以设计进行多种工况、载荷、转速条件下的实验方案。

Since the rotary plunger pump piston at each stroke can randomly rotate constantly change with the pump plunger cylinder contact surface, so that circular plunger gradually wear uniform or scaling at the same time, sand from the plunger and pump barrel between discharge and resolved accumulation Materials abrasion caused by wear and serious positioning rod release.

自旋转柱塞抽油泵可使柱塞在每一冲程中随机转动，不断地改变柱塞与泵筒的接触面，使柱塞圆周逐渐均匀磨损的同时将砂粒或结垢从柱塞与泵筒之间排出，解决了磨蚀材料聚集所引起的严重定位磨损及杆柱脱扣

Test results of film height at several points on sealing area of plane pairs, leakage flow, and frictional torque and so on, show that supply pressure greatly affects lubricating the height and its figuration of film, and that the cylinder block surface wear mainly resulted from destruction of film.

通过平面配流密封带多点实测膜厚、泄漏流量、摩擦转矩的试验数据表明，供油压力对密封带润滑油膜厚度、形态等的影响较大。局部油膜破坏是导致缸体面磨损的主因，试验测得的膜厚分布与其磨损分布有直接关系。

It is considered that the formation mechanism of long pitch wear corrugations is the duplication and accumulation of uneven wear of rail tread during the course of wheelset slip-stick vibrations.

认为磨损型长波波磨的成因是，轮对粘滑振动造成的钢轨不均匀磨损的重复和累加效应。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。