repairing welding

Cold Welding Technology of Alloy Cast Iron Application of Cold Welding in the Process of General Repairing of Power Plant

合金铸铁冷焊工艺冷焊在电厂修复中的应用

Cold welding repairing cracks of reducer shell

减速机壳体裂纹的冷焊修复

Wear is the major failure mode of die and mould. Inserting block, electro-brush plating and bead welding have been used widely for repairing dies.

冷冲模具的主要失效形式是磨损，以往常采用镶块嵌入法，堆焊和电刷镀的修复方法。

Based on the detailed introduction of research and application of hyperbaric welding repair technology all over the world, the authors think that it is necessary to develop the hyperbaric underwater pipeline repairing system domestically, and analyze the key points in developing this system.

基于对世界范围内水下高压干式焊接维修技术的研究与应用情况的全面介绍，指出了自主研制我国高压干式水下管道系统的必要性，并对其中的关键问题进行了论述。

Welding technology would be widely used in maintenance of nuclear plants, construction and repairing operations of underwater structures and outer space aircrafts. Telerobotic welding has become the best choice to perform welding tasks in those hazardous or extreme environments instead of human operator.

核电站的维修、空间结构的建造以及海洋工程的建设大量用到了焊接技术，机器人遥控焊接技术是代替人进入这类危险、极限环境中执行焊接操作的最佳选择。

Application of Cold Welding in the Process of General Repairing of Power Plant

冷焊在电厂修复中的应用

The repairing welding process of the main wearing tip truck has been described in this article.

介绍了矿山自卸重型卡车主要磨损件的焊接修复过程.

In this paper, the reasons for repairing welding failure of tube plates in titanium heat exchanger as well as welding joints in heat exchange tubes are analyzed and reliable measures to restore tube plates and welding joints of heat exchange tubes are put forward and implemented.

分析了钛换热器管板与换热管焊接接头补焊失效的原因，提出了实施修复的可靠措施。

The new process of producing pressure stress by counter welding temperature difference treatment and its first successful application in China in repairing stress corrosion cracking of hydroprocessing reactor were detailed.

文章详细介绍了在国内外首次采用逆焊接温差处理制造压应力新工艺，以及成功修复加氢反应器产生的应力腐蚀裂纹的过程。

Type of welding-repairing, position of weldable low alloy cast iron cylinder block, welding-repairing and sequent heat treatment process in Italian TEKSID Company have been introduced.

介绍了焊补缺陷的类型、可焊补的汽缸体部位、焊补工艺及焊后热处理工艺。

By means of adopting preheating before welding, low hydrogen welding and heat treatment after welding and some other steps, the built-up welding repairing of the crackle in 650 mm roller tip end was successfully achieved.

通过采取焊前预热、低氢焊接和焊后热处理等措施，成功地实现了650轧辊端头断裂的堆焊修复，即以焊代换。