导轨

Features of technology: 1 Reasonable and firming structure of superhigh pressed components wholly adjusting high-quality sanforized materials with antisepsis and wearability .2 Low reversing rate of superhigh pressed Vessed doable-agency piston long durability 3 Driven by servo mator high precision ball screw and linear track ensuring slability .

技术特点：结构上采用套装复合缸，选用高强度材料，利用特殊的防腐耐磨处理，结合大排量低频率，使其使用寿命更长，系统压力更加稳定，运动部件采用伺服电机，配置滚珠丝杠和直线导轨运动精度高。

This paper presents a kind of method without guide to guide a self-propelling machining operation.

提出一种引导无导轨自移动作业机械的引导方法。

In the range of CE3.7～4.0%, effects of the structure on hardness of bed slideway of lathe byquenching and several methods irnproving properties have been investigated.

在碳当量3.7％～4.0％范围内，探讨了影响机床导轨淬火硬度的组织因素和改善途径。

"Crawlirg" can be found in the installation and adjustment of precision machine tools, such as slideway grinder ,and as a result, the working precision is severely affected.

导轨磨床等大型精密机床在安装调试时工作台运动常常会产生"爬行"现象，它严重地影响机床的工作精度。

Liu Liangying of Fujian Pu cropland because pressing plate both sides and workbench height are abhorrent,this is and cause, specific expression is material had been cut to appear at the same time and if eliminate not in time,cut does not show this trouble, cause the damage of machine slideway extremely likely.

福建莆田刘良莹这是由于压板两边与工作台高度不一致而造成的，具体的表现为材料的一边已经被切透而另一边没有被切到或切割不透此故障假如不及时排除，极有可能导致机器导轨的损坏。

Pressure seal machine adopts the traditional way of vertical pressure seal,double stamping machines for in the same slideway,box by microcomputer control,high human-machine interface,change quickly,double stamping single one.

采用传统压印机垂直压印的方式，双压印机并列在同一导轨上，箱高通过微电脑控制，人机界面调整，换单迅速，双压印一次完成。

It explains mainly essential techniques on the mechanical overall aspect on binary optical element's laser direct lithography equipment which has been manufactured by us. Simultaneous, it still gives the essential technology indexes and development state of slideway, transmission systems, round journal and focusing servo.

重点介绍了长春光机所研制的二元光学元件激光直接写入设备中机械总体方面的主要关键技术，给出了导轨、传动系统、回转轴系、调焦伺服机构的主要技术指标和完成情况。

Roll functional part product includes: Ball guide screw deputy, scroll is linear slideway is guide-post bushing of spline of deputy, ball, ball, linear workbench of ......

滚动功能部件产品包括：滚珠丝杠副、滚动直线导轨副、滚珠花键、滚珠导套、直线运动部件、坐标工作。。。。。。

Then brief the basic situation of the finite element analysis method and the spectrum tube design situation.

接着介绍了有限元分析方法的基本情况和光谱简的设计情况；论述了如何用有限元方法对系统进行静力分析，如何进行前处理和定义作业参数，如何用计算出的结果对设计进行评估：并对光谱筒系统中的导轨板、桥和下平台进行了有限元分析。

Reasonable baseline is one of the key matter in the straightness measurement. Two schemes of the measuring basis are advanced in the paper--tensile spring and laser beam, based on the request and character of guide-ways straightness measurement. In early study, we come to the conclusion by theoretical analysis and experiment that the laser beam basis has more advantage in development and accuracy.

合理的直线基准是实现直线度测量的一项关键内容，本文首先针对导轨直线度的测量要求与特点，提出了张丝与准直激光束两个测量基准方案，并在前期研究中通过理论分析与大量的实验对比得出结论：激光束在系统实现及测量精度等方面均具有更高的优越性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。