This unit group also includes machine operators who operate previously set up production welding, brazing and soldering equipment.
此单元组还包括操作预先组合好的生产焊接，钎焊和锡焊设备的机器操作员。
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。
Current, welding speed, and pressure are the factors which can influence the welding quality of narrow lap welding machine during the galvanizing unit production.
电流、焊接速度、压力等参数都会影响窄搭接焊机在镀锌机组生产中的焊接质量。
Preheating unit by using Xiapu gas is introduced, the key point that welding casing can be preheated without getting into furnace has been achieved.
介绍了利用霞普气制作的预热装置，实现了压缩机焊接机壳不需进炉就能预热的关键。
Electron beam welding machine consists of electron gun, high-voltage power, vacuum unit, vacuum welding chamber, electrical control system, fixture and working station running system and etc.
电子束焊机由电子枪、高压电源、真空机组、真空焊接室、电气控制系统、工装夹具与工作台行走系统等部分组成。
The mean unit force of friction to a great degree depends on shearing of pressure welding bridges and conquering of ploughing resistance.
平均单位摩擦力基本上取决于切断压力焊接桥和克服耕犁阻力。
The flow resistance device is a important unit for achieving electron beam welding in partial vacuum.
气阻装置是实现低真空电子束焊接的重要部件。
A micro controller unit control system for special type resistance welding machine is developed in the pa-per.
本文讨论了一种用于控制特种电阻焊机的单片机控制系统。
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。
With the self organizing fuzzy unit of self optimizing adjustment factor, the system can keep the current stable, which is set initially by the welding operator.
系统通过具有修正因子自寻优功能的自组织模糊控制器维持所选定的焊接电流不变。
The unit assembly turnover mechanism has been applied for patent and used extensively in welding process.
上车架总成翻转机已申请专利，并已广泛应用在焊接过程中。
The defects at the welding areas of blades of working impellers of primary pump connecting the cover plate have been found during pre-service inspection of Unit 1 at JNPC.
发现主泵工作叶轮的叶片端面与盖板连接处的焊接区域有缺陷。
Welding machine control unit is equiped with no power source arc start unit, CMOS, and high power switch.
该焊机采用“无源引弧器”引弧，引入CMOS、时基、大功率开关等集成电路进行弧焊自动控制。
This article illuminates the deformation of welding clapboard on turbine machine 200mw, and its damage to the unit, which often occur in domestic power plants.
阐述了200MW汽轮机焊接隔板变形这一在国内电站中多次出现的问题，以及由于隔板变形而对机组带来的危害。
The runners of 6 operated generating unit of Ertan Hydro Station have been checked and no crack on the primary weld of the field welding position is observed.
二滩水电站已全部投运的6台机转轮经停机检查，现场焊接的主焊缝无裂纹。
This welding equipment consists of hollow cathode welding torch, vacuum system, welding power source, gas flow control unit and compact control device.
空心阴极焊接设备由空心阴极焊枪、真空系统、焊接电源、气体流量控制单元、总控制箱组成。
Besides, the guide head unit having crosswise grooves can be used in welding circular pipes.
此外，具有多个横向槽的导向头单元可用于对实际上为圆形的管子进行焊接。
The article based on fabrication process of the pre-heater which is the equipment of hydrogen manufacturing unit, and the forming of Cr-Mo steel coil and welding gasket was analyzed.
通过制氢装置中的设备——原料预热器的制作，介绍了铬钼钢螺旋盘管和焊接垫片的成型及焊接、无损检测等工艺过程，实现了此类产品的国产化，并为类似产品的制造提供了借鉴。
DC series submerged arc welding machine is a multi-functional welding power unit controlled by total-digital thyristor and applicable to both semiautomatic and automatic welding.
DC系列埋弧焊机是一种采用全数字晶闸管控制可以应用于半自动和自动焊接的多功能焊接电源。
The application result shows that the welding control unit works well.
本文设计的控制单元应用效果良好。
This welding equipment consists of hollow cathode welding torch, vacuum system, welding power source, gas flow control unit and compact control dev...
空心阴极焊接设备由空心阴极焊枪、真空系统、焊接电源、气体流量控制单元、总控制箱组成。
Furthermore, the deposition rate increases per unit of welding current by decreasing wire diameter, and adjustment of the penetration depth is enabled by alternating current wave form and polarity.
减少焊丝直径，能提高熔敷效率，再加上使电流波形交流化，就可以调整熔深。
The pressing means (36) is filled with a gaseous or liquid medium via the supply unit (39) in order to adjust the contact pressure applied to the welding rod (13) by the conveying means (28).
所述压力机构（36）通过供给单元（39）填充有气态或液态介质，以调节由输送机构（28）施加在焊线（13）上的接触压力。
The pressing means (36) is filled with a gaseous or liquid medium via the supply unit (39) in order to adjust the contact pressure applied to the welding rod (13) by the conveying means (28).
所述压力机构（36）通过供给单元（39）填充有气态或液态介质，以调节由输送机构（28）施加在焊线（13）上的接触压力。
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