查询词典 arc weld

The development of weld penetration control technology in Gas Tungsten Arc Welding is analyzed in this paper.

分析了熔透控制技术的发展现状，提出了利用熔池谐振技术进行熔透控制的方法，并对其原理、传感技术、实时控制系统和控制结果进行了讨论。

Except larger spatter loss coefficient, other usabilities including the arc stability, the ability of reignition, detachability, melting coefficient, fluidity of the slag, the appearance of weld, and the degree of coating redden are all better than those of former A102 electrode.

在原A102焊条药皮配方的基础上，改进药皮配方，研制的A102焊条与原A102焊条各项工艺性能对比试验研究的结果表明，研制的A102焊条除飞溅率稍大，其它工艺性能均优于原A102焊条。

High technology,through the image process of inner weld seam temperature distribution to identify the tolerance between the arc center and skelp joint gap accurately and timely.

利用彩色摄象机做为温度传感器，采用热模拟技术，CAGD高新技术，通过对内焊缝背面温度场分布情况进行图象处理，从而准确、及时地识别出电弧中心与板缝合口的偏差量，经步进电机随时调整。

Apply color camera as a temperature sensor,adopt heat analog technology,CAGD etc. high technology,through the image process of inner weld seam temperature distribution to identify the tolerance between the arc center and skelp joint gap accurately and timely.

摘 要 利用彩色摄象机做为温度传感器，采用热模拟技术，CAGD等高新技术，通过对内焊缝背面温度场分布情况进行图象处理，从而准确、及时地识别出电弧中心与板缝合口的偏差量，经步进电机随时调整。

Shanghai Institute of Mechanical ＆ Electrical Engineering,Shanghai 200040,ChinaAbstract: With the development of pulse arc welding,especially to foretime some material with high heat tenderness difficult to weldthe situation difficult to weld(such as full position welding,narrow gap welding,and the pipe,thin workpiece need singlefaced welding to make doublefaced moulding).

脉冲弧焊工艺的发展，特别是对一些难焊的、热敏感性高的材料和难于施焊的场合(如全位置焊、窄间隙焊以及要求单面焊双面成形的管件、薄件)，脉冲焊均显出独特的优越性。

This is because that the addition of arc voltage means the decreasement, so the enlargement of are swing makes the incensement of weld width.

这是因为电弧电压增加意味着电弧的长度增加，因此电弧摆动范围扩大而导致焊缝宽度增加。

Through image digitalization and digital image frame analysis, the dynamic change of arc state and droplet motion before and after its detachment from wire tip can be quantitively described. The kinematical and kinetical parameters of droplet motion can be solved. The development of the system provides a new way for the study of metal transfer mechanisms and the interaction between droplet transfer and weld pool.

该系统通过对高速摄影图象的数字化处理及时间图象序列分析，可以对熔滴过渡过程中电弧变化的动态过程及熔滴脱落前后的运动过程进行定量分析，并可提取出熔滴运动的各种运动学和动力学参数，为进一步的熔滴过渡机理及熔滴与熔池相互作用的研究提供了新的研究手段。

The inventive powder-feeding device and method can effectively and easily process the paraxonic powder-feeding laser powder filling weld on the round and arc track of machined surface.

本发明的送粉装置和方法，可以有效、方便地对加工平面上为圆形、圆弧形轨迹进行旁轴送粉方式激光粉末填充焊接。

The image acquisition of weld seam is influenced by the intense spatters combusting gas, arc and the noise.

获取的图像中存在大量的飞溅、烟尘、电弧光以及周围环境电磁、静电产生的噪声干扰。

Self adiust functrion of electric arc igntion,less spatters,perfect weld appearance.

电弧自调节能力强，引弧成功率高，焊接飞溅小，溶敷率高，焊缝成形美观。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。