焊接的

The application of welded reinforcing bar net in bridge construction is introduced. The bridge top build with it has advantages: simple paving design, constructing conveniently, high efficiency, quality guaranteed.

介绍了钢筋焊接网在桥梁建设中的应用，钢筋焊接网桥面具有铺装设计简单、场施工方便、效，施工质量有可靠保证的优点，大量的工程实践表明钢筋焊接网的应用具有广阔的发展空间。

According to the results of comparison between these methods of spectrum evaluation, a new method of power spectrum evaluation of welding arc sound is advanced by means of association of wavelet packet analysis with the Welch average method .

对试验系统采集到的焊接电弧声进行了小波包多层分解，并利用周期图法、Welch 平均法及AR模型法，对各频段信号进行功率谱估计。根据不同谱估计方法的对比结果，提出小波包分解结合Welch 平均法对焊接电弧声进行功率谱估计的新方法。通过对几种规范与飞溅率下的电弧声功率谱的初步分析，发现其功率谱分布具有一定的规律性，并且不同频段谱峰值及其对应频率与焊接飞溅具有相关

To solder a connector: Remove insulating tape of Red wire and solder to positive terminal of a connector, then remove insulating tape of Black wire and solder to the negative terminal of connector.

施以焊接一个联编者：距离使红色电线和一个联编者的积极终端机方面的焊接剂的音带绝缘，当时距离使黑色电线和联编者的否定终端机方面的焊接剂的音带绝缘。

Heat treatment techniques which simulate the welding process of electromotor short circuit ring and short circuit bar are designed based on the actual thermal circulation on the short circuit bar.

根据电机转子导条和端环焊接过程中导条所经历的实际热循环过程，设计了模拟焊接过程的热处理工艺，对大功率异步牵引电动机转子铜合金导条和端环的焊接热影响区的组织和性能进行了研究，讨论了性能和组织的变化规律及其原因。

Because the weld is stacking, the transverse stress on the bottom surface of plane will become very high, so much as exceeding the longitudinal stress. The residual stress in steel structures can directly influence their ability of bearing loads.

焊接残余应力的存在，会直接影响到钢结构的承载能力，为了保证焊接结构的安全可靠，准确的推断焊接过程中的力学行为和残余应力是十分重要的课题。

The welding distortions of the diaphragm with coroneted blades in steam turbine have been studied with model and production experiments in this thesis. It is a main purpose to find out the rule of welding distortion of the diaphragm in radial, circumferential and axal direction.

为了掌握蒸汽轮机自带冠靜叶隔板焊接产生的直径变形、半径变形、节圆收缩率和倾斜变形的基本规律、提出减小和调整焊接变形的合理工艺措施，本文通过基于正交设计的模型试验和现场监测对自带冠靜叶隔板的焊接变形进行了研究。

Thirdly, a welding platform scheme for huge circumferential seam's sealing is proposed, which is composed of multiple 3 DOF robots. It can control the pose adjusting during the rotation of the ship module. As to the different part of the ship hull, the inverse kinematics arithmetic of cylindraceous, elliptical and conical ship modules are given respectively.

第三，在船体环缝焊接系统中，本文提出了一种由多个3自由度滚轮机器人组成的环缝焊接平台的控制方法，实现了船体模块在旋转焊接时的姿态调整，并分别针对船艏、船舯和船艉的不同形状给出了相应的逆运动学算法以及可用于实时操作的简化控制算法。

Responsibilities:Specification of welding machinesProgramming and assembly Testing, quality control and de-buggingInstallation at customer site Design of metal structures and basic machine partsMachine maintenanceAble to manage 1 electrical workerAfter sales supportRequirementsCollege degree in Mechanical EngineeringAble to read and speak English CET Level 65-10 years work experienceAble to read and produce working engineering drawingsAble to solve electrical and mechanical problemsBasic understanding of welding will be an advantageMale, age 30-45Totally honest and trustworthyHigh level of maturity

工作内容：对焊接机器编制使用说明规范设计和装配焊接机器测试，调试机器以及质量控制在客户方进行机器安装设计简单的金属结构和基本机械部件机械的日常保养管理电工售后服务支持职位要求：工程学士学位大学英语6级，出色的阅读和听说能力 5-10年工作经验能够阅读生产工作的工程图纸能够解决电气和机械问题有相关焊接经验的优先男性，年龄30-45 诚实守信，成熟稳重 Mechanical Machine Engineer

Mm. 7.5.3 Requirements for quality of weld joint's surface: a No crack, not fusional, bubble, slag, splash; b Surface of seam of pipeline with design temperature lower than -29℃, stainless steel pipeline and alloy steel pipeline with trend of harden quenching shall be free from undercut.

The surface shall be smooth 7.5.3 焊接接头表面的质量应符合下列要求： 28 SH 3501-2002 a 不得有裂纹，未熔合，气孔，夹渣，飞溅存在； b设计温度低于-29℃的管道，不锈钢和淬硬倾向较大的合金钢管道焊缝表面，不得有咬边现象；其他材质管道焊缝咬边深度不应大于 0.5mm，连续咬边长度不应大于 100mm，且焊缝两侧咬边总长不大于该焊缝全长的 10%； c 焊缝表面不得低于管道表面，焊缝余高Δh 应符合下列要求： 1 100%射线检测焊接接头，其Δh≤1+0.2b1，且不大于 2mm； 2 其余的焊接接头，Δh≤1+0.2b1，且不大于 3mm。

The welding distortions of the main beam and side beam of expansion and contraction beam are predicted and analysed based on the welding distortion calculation method of relative shrinkage volume.

采用基于相对收缩体积的焊接变形理论计算方法，对伸缩缝梁的中梁和边梁结构的焊接变形分别进行了预测、分析，并对实梁的焊接变形量进行了测试。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。