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1·The research focuses on the defect equivalent analytical methods in building steel structure butt weld fusion and the effects of non-crack-type defects on the normal use of butt weld fusion.

本课题研究了建筑钢结构熔透对接焊缝中缺陷当量的分析方法和非裂纹类缺陷对焊缝正常使用的影响。

2·The invention relates to a special butt joint sleeve for a large breakage anchor bolt and the butt joint method thereof.

本发明涉及一种大型破损地脚螺栓对接专用套筒及其对接方法。

3·This paper, based on analyzing the process of Cu-Al pipe butt welding, discussed the design of the executive system and control system for PLC controlled Cu-Al pipe butt welder.

在分析了铜铝管焊接工艺过程的基础上，重点论述了铜铝管对焊机执行系统和控制系统的设计。

4·Butt welds qualify full and partial penetration butt welds and fillet welds. Fillet weld tests shall be required where this is the predominant form of production welding.

对接焊缝可评定全焊透和部分焊透对接焊缝和角焊缝，当角焊缝是产品的主要焊接接头形式时，需要用角焊缝试验评定。

5·Single head cam system, tuck cam both in front and rear meddle beds, car has high-butt and low-butt select function, controlled by step-forward motor .

单头三系统，前后针床皆可中山吊目，三角具有高低脚针选择功能，皆采用步进马达驱动。

6·Widely used for butt weld joint between carbon steel, alloy steel, non-ferrous pipes, bars and profiled materials or butt weld between heterogenous metals.

广泛用于碳钢、合金钢、有色金属的管、棒、板、型材之间的对焊或异类金属之间的对焊。

7·The Intellectual Control System of Flash Butt Welding, the main and basic part of the Flash butt welding machine, is the basic to realize the automation of the welding process.

基于模糊控制的智能化闪光焊机控制系统是闪光焊机焊接系统的重要组成部分。

8·Theories for butt fusion welding are briefly discussed, and elements of automatic butt fusion welding machine, their main function, and implementation method are briefly analyzed…

本文还分析了塑料压力管道热熔对接焊的基本原理，并详细地介绍了热熔对接焊机的基本组成部分以及各部分的主要功能和实现方法。

9·The invention relates to a circular duct butt-welding rapid spotting and locating device and a circular duct butt-welding method.

本发明涉及一种圆管对焊快速找正定位装置及圆管对焊方法。

10·The butt welder is widely used in butt joint of such materials as steel, iron, copper and aluminum rod. It is also used in the butt joint of flat bar, flat aluminum, steel tube and steel tube.

系列对焊机广泛应用于钢、铁、铜、铝杆等材料的对接，也适用于扁钢、扁铝和钢管、铁管的对接。