The feeding speed of shifting unit of welding machine is one of the most important factors of rail continuous flash welding quality.
影响钢轨闪光焊接头焊接质量的因素很多，其中焊机动力柱的送进速度就是重要因素之一。
The corresponding device consists of locating needles, 3D electrode shifting unit, U-shaped seat, right and left eye rod holder, gecko adaptor, etc.
本发 明装置，由定位校针、三维电极移动装置、U形支座、左右眼杆夹持器、壁虎适 配器等组成。
Flash can be continual and steady, and then, the good welding joints could be obtained by properly controlling feeding speed of shifting unit of rail continuous flash welding.
有效地控制钢轨连续闪光焊的动力柱送进速度，可以使整个焊接过程保持连续和稳定的闪光，从而获得优良的焊接接头。
Extraction the moves' mark and shifting the PLC data storage unit, realizes to the movement work piece's track and the separation control.
对PLC的数据存储单元移位及移值标记的提取，实现对运动工件分组信息跟踪和分组控制。
A new control method of multiunit inverter is described, which determines the triggering pulse for each unit to obtain the sine wave output through multiple-phase shifting superimposition principle.
研究了多重化逆变器的一种控制方法，采用逆推的方法确定各单元的触发脉冲，通过多重移相叠加原理得到正弦波输出。
Citizens are shifting from "unit man" to "community man" and communities have become important places in their daily life.
社区成为人们日常生活的一个重要场所，城市居民正由“单位人”向“社区人”转变。
This paper presents the commecial test results of the FCC unit in Jiu-jiang Refinery by shifting the total recycle operation to once-through operation.
文中介绍了九江炼油厂催化裂化装置将全回炼操作改为单程催化裂化操作的工业试验。
It is pointed out that JWF9562 transfer system in roving-spinning unit is controlled by PLC, the shifting fork mechanism is simple, running is flexible and stable, transport circuit is exact.
JWF9562型粗细联输送系统采用PLC控制，拨叉机构结构简单，运行灵活，输送线路准确、设备运行稳定。
Converting more heavy feedstocks, maximizing the yields of light olefins and shifting the product plate to respond the market needs are the abilities of FCC unit.
重油裂化多产轻烯烃以及适应油品市场变化，发挥其应变能力也是催化裂化的一种本能。
Converting more heavy feedstocks, maximizing the yields of light olefins and shifting the product plate to respond the market needs are the abilities of FCC unit.
重油裂化多产轻烯烃以及适应油品市场变化，发挥其应变能力也是催化裂化的一种本能。
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