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If the packing pressed tight, the wear between axle sleeve and packing will beincreased.

因为是从水泵的压水室引水，这样到达填料密封腔的轴封水的压力过高，从而造成填料处轴封水泄漏量过大。

Y41 hydraulic machine is one kind of multi-purpose middle scale hydraulic pressure engine, and it could be used in the axis class components, the molding adjustment and the axle sleeve components pressure attire.

Y41系列单柱校正压装液压机，是一种多功能的中小型液压机床，适用于轴类零件，型材的校正和轴套类零件的压装。

According to the tolerance principle in GB/T 4249-1996,GB/T16671-1996 of national standard, we can put forward some application law of examining the wall thickness of the axle sleeve parts, which can be put into manufacturing practice.

它既可以应用于被测要素，也可以应用于基准要素。最小实体要求适用于中心要素。最小实体要求是控制被测要素的实际轮廓处于其最小实体实效边界之内的一种公差要求[1] 。

After adjusting, if the oil or water leeks continually, the rubber bowl, the oil seal and the axle sleeve should be changed if there is friction and it doesn't go smoothly, it should be grinded to avoid the bearing and the pump base being destroyed

经过调整后，如果油或水韭菜不断，橡胶碗，油封和轴套应该改变（如果有摩擦和不顺利，应研磨，以避免轴承和泵基地被破坏

Methods The reverse feeding turning is used, and a series of effective measures are taken, such as selecting optimum tool parameter and cutting allowance, using a stretching apparatus and an axle sleeve follow-rest.

采用反向进给车削，配合以最佳的刀具几何参数、切削用量、拉紧装置和轴套式跟刀架等一系列有效措施。

Resisting has good effect、lower in cost. Between the axis and the axle sleeve seals

方便。改变以往耐磨衬板耐磨方式，采用贴耐磨瓷砖方法。

The feeding head can rotate around axial Z and axial X or Y. With the help of Siemens NC system, which can overcome the limitations of feeding heads working space, we can make axle sleeve and so on. It can be used to repair irregular shape products in laser cladding, such as metallic sheath. Using 3D coaxial feeding head, large area laser refabrication was carried out in metallic sheath.

由于原数控系统是非开放性的，不宜直接在原有系统上进行二次开发，考虑到现有条件，采用单片机控制二步进电机以实现送粉头能绕Z轴转动和绕水平轴转动，加上原有数控系统的在Z轴方向上的运动配合使送粉工作头具有三维空间工作能力，它克服了普通送粉头工作空间的限制，同时还具有粉末流束焦点可调功能。

The actions of quick feed, workpiece feed and quickreturn of the press can be realized automatically under the program control, it is suitable for the arber of axle sleeve parts and the bending, shelling and pressing of sections parts and the stretching of parts, it can be used for flow assembly of car, machine, automobile electric,appliance motorcycle absorber and air conditioner electric appliance compared with common hydraulic press, Type YKT high speed hydraulic press is of high accuracy of adjustment, quick action, stable repeat accuracy and safe reliable operation.

YKT型快速液压机是一种多功能的液压机床，在程序控制下自动实现压机的快进、工进、快速返回等动作，适用于轴套类零件的压装，型材零件的弯曲、压印、套形及零件的拉伸等工艺动作，可应用于汽车、机床、内燃机、轻纺机械、洗衣机、汽车电器；摩托减震器、空调电器等行业装配的流水线上，与普通液压机相比，YKT型快速液压机具有调节精度高、动作速度快，重复精度稳定、操作安全可靠等优点。

The actions of quick feed, workpiece feed and quickreturn of the press can be realized automatically under the program control, it is suitable for the arber of axle sleeve parts and the bending, shelling and pressing of sections parts and the stretching of parts, it can be used for flow assembly of car, machine, automobile electric,appliance motorcycle absorber and air conditioner electric appliance compared with common hydraulic press, Type YKT high speed hydraulic press is of high accuracy of adjustment, quick action, stable repeat accuracy and safe reliable operation.

产品介绍： YKT型快速液压机是一种多功能的液压机床，在程序控制下自动实现压机的快进、工进、快速返回等动作，适用于轴套类零件的压装，型材零件的弯曲、压印、套形及零件的拉伸等工艺动作，可应用于汽车、机床、内燃机、轻纺机械、洗衣机、汽车电器；摩托减震器、空调电器等行业装配的流水线上，与普通液压机相比，YKT型快速液压机具有调节精度高、动作速度快，重复精度稳定、操作安全可靠等优点。

The Circulation-hydrogenation Compressor Model BLC-305/A is an important equipment with Hydrogenation devices, which is imported by Lanzhou Petrochemical Company Refinery. Due to high-speed rolling periodically, the spare parts of this compressor, to a varying extent, show a lot of signs of wear and tear. Especially, the axle sleeve of the rotor axle of the compressor is so worn to the greatest degree that its work efficiency decreases by a big margin. Machinery Factory of Lanzhou Petroleum Processing and Chemical Complex has undertaken this task to repair the rotor.

BCL—305/A型循环加氢压缩机是兰州石化炼油厂从国外引进的一台用于加氢装置的重要设备，该设备经长周期的高速运转，零部件均有不同程度的磨损，特别是压缩机转子轴上的轴套磨损程度最大，使整机效率大幅度下降，兰炼机械厂承担了这项转子修复任务。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。