横梁式的

At present,the moving crossrail constructure has been used on gantry CNC machine tool extensively. The reasonable construction affects the dynamic performance of the whole machine tool and parts machining accuracy .

目前，龙门式数控机床已经广泛采用了动横梁结构，该结构的合理与否直接影响整个机床的动态性能和零件的加工精度，而加工精度正是影响机床的应用范围的主要因素。

Thus,we changed the traditional moving crossrail to the moving crossrail with three guideways. The improved constructure enhances not only the rigidity of CNC machine tool with moving crossrail,but also...

该机构的合理应用不但提高了动横梁龙门数控机床的刚性，也提高了整台机床的加工精度，使得应用此结构的龙门式数控机床成功进入到国家船舶等重点行业。

Patented TESA optical reading system.- Delta for the X-axis-thus guaranteeing excellent stability.- TESA REFLEX application software The reference in terms of simplicity and reliability.- Ergonomic design The successful conclusion of an in depth study.- 22 air bearings to ensure a frictionless motion of the three axes.- Choice of two probes TESASTAR with adjustable triggering force or TESASTAR-I indexable probe.- Flexibility TESA MICRO-HITE 3D_F can be supplied with fine adjustment device. By adding a CCD camera, it can be converted into a true optical measuring system for non-contact measurement. II.

主要特征KEY FEATURES：-获得专利的TESA光学读数头系统- X向横梁三角形状结构，具有很好的稳定性- REFLEX测量软件，操作简单，运行可靠-符合人机工程要求的设计经过深入研究获得的结论- 22个空气轴承保证了三轴无摩擦的运动-两种测头可供选择 TESASTAR，触测力可调，TESASTAR-i机械分度式-柔性 TESA MICRO-HITE 3D_F配置精密调节设备，如CCD摄像头，可改造成光学测量系统，作为非接触测量使用。

When choose heavy weight rack of position type, the size of salver, the weight of goods position and layers shall be considered to determine proper column, beam, forklift or storage truck, which will affect the storage density.

在选用重量型货位式货架时，需考虑托盘的尺寸、货位重量以及叠放的的层数，以决定适当的立柱及横梁，叉车或堆垛机的选型将直接影响货物的储存密度。

When choose heavy weight rack of position type, type size of salver, the weight of goods position and layers shall be considered to determine proper column, beam, forklift or storage truck, which will affect the storage density.

在选用重量型货位式货架时，需考虑托盘的尺寸、货位重量以及叠放的层数，以决定适当的立柱及横梁，叉车或堆垛机的选型将直接影响货物的储存密度。

The formulae for computing the sectional properties and mass properties of the main girders and the crossbeams were given. Then the dynamic characteristic analysis of two given rigid frame bridges were carried out using this model, the single beam model and the solid model respectively for comparison.

基于剪力柔性梁格理论提出了能够充分考虑薄壁箱梁的自由扭转刚度、约束扭转刚度和转动惯量的三梁式计算模型，推导了模型中各主梁截面特性和质量分布的计算公式，以及横梁刚度特性的计算方法。

I have researched the structure of the main frame and the performance. Thete are the design of there beam, the design of hydraulic thank and the calculation of the strength and stiffness of various parts.

本设计中主要研究了四柱式万能液压机的主机结构和工作性能，其中包括：三个横梁的设计、液压缸的设计、各种零部件的强度和刚度计算等。

The three-dimension solid and finite element model of the greatness pulsation bag style dust catcher structure,including middle case ,sieve pore,lower column,beam and ash bucket was built based general finite analytic software ANSYS.

基于有限元软件ANSYS建立了包括中箱体、花板、下立柱、横梁和灰斗等在内的某大型袋式除尘器结构的三维有限元模型，对除尘器结构强度进行了热力场仿真计算，给出了中箱体和灰斗的应力、应变等云图。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。