查询词典 flash butt welding

Effect of the variation of micro structures in each zone of HAZ, and micro hardness by flash butt welding was analyzed.

讨论了焊接HAZ组织演变的过程，分析了闪光焊HAZ各区段的显微组织、显微硬度的变化。

Flash butt welding ; research situation ; development trend

闪光对焊；研究现状；发展趋势

Electrical Heating Upsetter; Air Hydraulic Flash Butt Welding Machine; Automatic Air-Hydraulic Pressure Seam Welder; Multi-...

双座电气加热挤压锻缩机；空油压式闪碰焊机；自动空油压轮焊机；多点式网类焊接机；螺母及螺丝自动。。。

In this paper, the mechanical properties and microstructure of flash butt welding joint of the austentic manganese steel frog and the track steel had been researched by the metallographical examination, TEM, SEM and tensile, impact and hardness test. Its result has the very important practice meaning.

本文在查阅大量国内外文献的基础上，运用光镜、透射电镜和扫描电镜等金相试验手段和拉伸、冲击、显微硬度等力学性能试验，对高锰钢辙叉与钢轨闪光对焊接头的显微组织形态、硬度分布和力学性能进行了研究和分析。

Keywords thin strip cold rolling steel plate;flash butt welding;running-in speed;moveable clamp position

冷轧薄钢板；闪光焊；送进速度；动夹具位置

But because there is not the pulse flash butt welding craft, it is difficult to weld the rail U75V.

由于历史原因，这些焊机都不具有脉动闪光焊工艺，难以焊接U75V这类焊接性较差的钢轨。

There is the same tendency between CGHAZ grain size and the distribution of temperature gradient. The tendency of temperature distribution has the great effect on distribution of the final grain size. The microstructures in HAZ by DC flash butt welding were discussed.

模拟结果还表明温度梯度造成的&热钉扎&现象对HAZ晶粒长大有明显的阻碍作用，CGHAZ晶粒的大小与温度梯度的分布具有相同的趋势，并对最终的晶粒大小分布有重要的影响。

The properties of the flash butt welding joint achieved the level of the foreign experiment results. It can meet the requests of the correlation technology condition.

高锰钢辙叉与钢轨闪光对焊接头的抗拉强度达钢轨母材的60%左右；冲击韧性值也在钢轨母材冲击值的60%以上，其接头力学性能接近或达到了国外加过渡层闪光对焊接头力学性能的水平。

According to characteristics of thin strip cold rolling product line,the total configuration and control system of special flash butt welding machine in thin strip cold rolling was designed.

针对冷政薄钢板生产的特点，设计了冷轧薄钢板专用闪光焊机的总体结构。

Simulation of DC flash butt welding by coupling with electricity, heat, and mechanics will be instrumental in designing and drawing out technical specification.

本文首先采用有限元模拟方法对超细晶粒钢直流电阻闪光对焊的焊接过程进行了研究，建立了直流电阻闪光对焊过程的电、热、力耦合模型。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了