Underwater welding is the way of welding in the harsh environment of the oceans rivers and so on .

水 下 焊接是一种在海洋、江河等 水 下严酷环境中进行的特殊的焊接方法。

Underwater welding seam tracking is an important part of welding robot .

焊缝跟踪是焊接机器人的一项重要内容。

Locally-dry semi-automatic underwater welding machine Around the engine cylinder is a water jacket .

水 下局部排水半自动 焊机围绕着发动机汽缸的是一个水套。

Research of Underwater Welding Seam Identification and Tracing & Controlling Method Based on Rotating Arc Sensor

旋转电弧 水 下 焊缝识别与跟踪控制方法的研究

In this paper the temperature of underwater welding arc is investigated systematically by means of spectral diagnostics of plasma .

本文利用等离子体光谱诊断法对 水 下 焊接电弧温度进行了比较系统的研究。

Recognition and Tracking of Weld Seam of Underwater Welding

水 下 焊接焊缝的识别与跟踪

With the rapid progress of Offshore Oil Development Nuclear Power Industry and Natural Gas Industry underwater welding robot plays an important role in the installation and maintenance of marine metal structure .

随着海洋石油开发和核电工业以及天然气工业的迅速发展， 水 下 焊接机器人将在海洋金属结构安装与维修中扮演着越来越重要的角色。

Local dry method underwater welding is economic and reliable . dry method underwater welding is costly and top-quality ;

干法水 下焊接成本高、质量好。局部干法 水 下 焊接经济可靠；

Local dry automatic underwater welding of 304 stainless steel

304不锈钢局部干法自动 水 下 焊接

The rapid development of ocean engineering operations has made underwater welding technology more attractive .

随着海洋工程的蓬勃发展， 水 下 焊接技术愈来愈受到重视。

The development of the underwater welding arc control system

水 下 焊接电弧控制系统的研制

In this paper some advanced underwater welding techniques in the world are briefly reviewed .

本文就当前世界先进的几项 水 下 焊接技术分别作了概括性的介绍。

Development of Underwater Welding Pulsed Wire Feeder Controlled by MCU

单片机控制的 水 下 焊接脉动送丝机的研制

Laser Image preprocessing method for V groove underwater welding is discussed .

对 水 下 焊接V型 焊接坡口激光图片的预处理方法进行了讨论。

Development and application of underwater welding and cutting were introduced for reference .

简述了 水 下 焊接与切割的发展及应用情况，以供参考交流。

Microstructure analysis showed that the ferrite-austenite phase transformation has been restricted in underwater welding weld .

焊缝的微观金相组织分析表明， 水 下 环境 的 焊缝在铁素体-奥氏体相变时扩散受到限制，铁素体的分布形态与干式 环境不同。

This research is significant and valuable to the study of underwater welding arc physics .

本研究工作对 水 下 焊接电弧物理及 焊接 冶金的研究有参考价值。

New progress on research and application of underwater welding technology

水 下 焊接技术研究与应用的新进展

An experimental system for underwater welding identification of welding torch offset based on high speed rotational arc sensor was established .

搭建了基于高速旋转电弧传感器的 水 下 焊接焊枪偏差识别的实验系统。

State-of-the-Art and Prospect of Underwater Welding

水 下 焊接技术的现状和展望

Underwater welding process is different from on the land of the welding process welding seam under high pressure and welding pool underwater rapid cooling the robot structure effect observation tank and tracking CCD and other factors to cooperate .

水 下 焊接过程不同于陆地上的焊接过程，焊缝承受水下高压和焊接熔池急剧冷却、机器人自身结构、观察舱和跟踪CCD等多个因素影响。

Accompany with ocean exploitation and emerging of large amount of lake / port engineering new requests are put forward to underwater welding technology .

伴随着海洋开发、湖泊港口工程的大量出现，对 水 下 焊接技术提出了新的要求。

Study on Underwater Welding High Speed Rotational Arc Sensor and Torch Offset Identification

水 下 焊接高速旋转电弧传感器及焊枪偏差识别的研究

In this paper the porosity in the welds of local dry CO_2 gas shielded semi-auto-matic underwater welding was studied and the effect of CO_2 gas flow rate on theformation of porosity was stressed .

本文针对 水 下局部排水CO2半自动 焊中的气孔问题进行了初步探讨，着重研究了CO2气体流量对气孔生成的影响。

This paper overviews the state-of-the art and practice of underwater welding and cutting .

综述了 水 下 焊接与切割技术的历史发展及目前状况；

New type of power source and wire feeding system for underwater welding

新型 水 下 焊接电源及送丝机构的研究

Both wet and dry underwater welding operations are presented to repair the burst at the welding seam of large size crossing steel pipe .

介绍了大口径过河钢管接口焊缝爆漏现象，以及湿法和干法 水 下 焊接修复技术。

A new type of underwater welding system is studied which includes an oscillating wire feed system and a welding power source with staircase external characteristic .

研究了一种新型的 水 下 焊接系统。系统中弧焊电源输出阶梯型的外特性，送丝系统采用脉动送丝方式。

This paper introduces two new types ( 10-1 10-2 ) of electrodes for underwater welding .

本文介绍了新研制成功的两种（ 10-1） 水 下 焊焊条。