查询词典 puddle welding

In the research of image system, a image processing algorithm of welding seam is established on the basis of image math. model of structured light of Fourier-transformation of lens in space, and the image analyzing system based on the rule-model of the features of welding seam in 3D-space is also established which can meet the requirements of the auto-programming of welding parameters for arc welding robot in accuracy and reliability.

在焊缝图象系统的研制中，基于结构光空间付氏变换的光纹图象数学模型，建立了焊缝图象处理算法，并基于焊缝三维空间特征的规则模型，建立了焊缝图象分析系统，使焊缝检测与分析的精度和可靠性达到了弧焊机器人焊接参数自动规划及焊接路径自动规划的精度要求。

In this paper, welding process parameters of oil derrick have been determined, and a suitable welding procedure have got by use of welding procedure qualifications. The paper pointed out the common defects in oil derrick welding, explained it, and gave preventive measures.

本课题通过焊接工艺评定，确定井架焊接的工艺参数，并指出了井架焊接中容易出现的焊接缺陷，分析了缺陷产生的原因，给出了预防措施。

The welding of end ring of alternating current machine and the conducting bar is the key technology for manufacturing of asynchronous traction motor with high power. China South Locomotive and Rolling Stock Industry Corporation had taken this significative study as a key project for the manufacturing of alternating current machine. According to the welding of end ring of alternating current machine, the welding of copper and copper alloy is described in this paper. Results obtained in this study are as follows. 1.By the comparison of oxyacetylene gas brazing, induction brazing and resistance brazing, it was found that high-quality welding joint could be obtained by induction brazing, which also had the highest efficiency.

交流电机端环与导条的焊接是大功率异步牵引电动机制造的一项关键技术，开展其焊接工艺研究具有重要的意义，中国南车电机公司将此课题作为解决交流电机制造的一个重点项目，本文结合交流电机转子端环焊接的课题，对铜及其合金的焊接进行了研究，主要研究结论如下： 1、通过氧乙炔火焰钎焊、感应钎焊、电阻钎焊等焊接方法的对比试验发现感应钎焊可获得优质的焊接接头，且感应钎焊的焊接效率也是最高的。

The result of welding test show that we can acquire all wool and a yard wide welding joint between the pickax boot wearable materials (2C) and pickax body materials through selecting fit welding material and drawing up the reasonable welding craft.

焊接试验结果表明，通过选择合适的焊接材料以及制定合理的焊接工艺，能够获得所选镐靴耐磨性能最好的2C试样与镐体材料优质的焊接接头。

Arc welding power source is important part of welding system. It is difficult to effectually evaluate dynamic characteristic of arc welding power source in the field of welding.

弧焊电源是焊接系统的重要组成部分，将直接影响焊接过程的稳定性及焊接工艺性能。

In the welding process,it is very important for welding torch automatically tracking the weld seam to assure welding quality and improve welding automation level.

焊接过程中焊炬自动跟踪焊缝对保证焊接质量，提高自动化程度有着极其重要的实际意义。

An approach has been made to the repairing welding carried out for the can iron engine frame and sole plate Daihatzu diesels for marine application , regarding to such aspects as specified welded position, preliminary to welding, welding method, welding technology and qualified weldor, with the aim of fulfilling the requirement of quality set for engine product by vessels.

本文对大发船用柴油机铸铁机身、机座的焊接部位、焊前准备、焊接方法、焊接工艺等进行了探索，以达到船舶对发动机产品质量的要求。

LTHJ-SUPER-A1 Gantry welding automatic recovery machine This system is set for one body super new portal welder, special cylindrical welding tools or difficult welding. It adds super negative pressure wind pump on inner side of flux cylinder, so that in the welding process it can absorb unlyzed flux directly into cylinder and place into a small hopper. Open the valve of small hopper and put flux onto work piece, then you can put it into repeated usage.

LTHJ-SUPER-A1型龙门焊自动回收系统本系统是一体超强新型的门式焊机或外圆焊接特制工具、高难度的焊接而设置的，它就是一个焊剂筒内加上超强负压风泵，使在焊接过程中尚未溶化的焊剂直接吸收到筒内，放置到小料斗中，打开小料斗阀门把焊剂放到工件上，进行往复使用。

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。

Reduce the melting zone porosity methods include: welding pre-cleaning, welding process using inert gas welding area and selection of the full protection of the lower cooling rate of the welding parameters.

降低熔化区气孔率的方法包括：焊前清洗、焊接过程中用惰性气体充分保护焊接区和选择较低冷却速度的焊接参数。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。