本文提出了一种非接触超声传感埋弧焊焊缝跟踪系统。
A new kind of the seam tracking system with non-contact ultrasonic sensor in SAW is presented in this paper.
埋弧焊焊缝跟踪实验表明，该系统具有良好的动态性能和控制精度。
The results of the SAW seam tracking experiments show that there are good dynamic characteristics and control accuracy in the system.
通过分析l 245钢埋弧焊焊缝区质量、微观组织和拉伸性能关系表明，焊接工艺参数的合理制定是低合金钢l 245焊管产生裂纹等缺陷的关键因素。
By analyzing the relation of microstructure, weld zone quality and tensile property, it is concluded that the welding technological parameter of L245 steel is the main factor of the welding crack.
本文介绍了埋弧焊钢管焊缝韧性试验研究的结果及工业生产应用效果。
The experimental results and application effects of weld toughness of spirally submerged arc welded pipe are introduced.
采用宽板小成型角生产小口径螺旋缝埋弧焊钢管时，内焊缝产生裂纹是经常遇到的问题。
Inside weld produced cracks are often faced problem by adopting wide coil with small forming Angle to produce small size spiral submerged welded pipe.
WGJ510C2钢在自动埋弧焊焊评试验中所产生的裂纹均在焊缝金属中，与母材没有明显的相关性。
The cracks produced in the automatic SAW welding test are existed in the weld, and has nothing obviously with WGJ510C2 steel.
针对埋弧焊多道焊的焊缝跟踪以及焊枪高度跟踪问题，设计了一种二维跟踪系统。
Regarding to submerged arc weld multi-pass weld track and height of weld gun, two-dimension track system is designed.
焊缝余高的精确测量和控制是埋弧焊管焊接质量的重要保证。
The precise measurement and control of the weld reinforcement of SAW pipe is an important part to guaranty the welding quality.
针对螺旋埋弧焊钢管外焊，研制了一种基于视觉传感的焊缝自动跟踪系统。
Aimed at spirally welded steel pipe, a visual sensor for automatic weld seam tracking system is developed.
通过对螺旋埋弧焊管内焊缝成型和焊接过程的分析，指出焊缝裂纹易产生在焊接熔池脆性温度区。
Through analysis on inside weld forming and welding procedure of SSAW pipe, it pointed out weld crack is easy to appear in brittle temperature zone in welding pool.
采用埋弧焊方法，通过改变焊丝铜含量来改变焊缝金属中的铜含量，研究铜对高强度低合金钢焊缝金属韧性的影响。
In this paper, the effect of copper content on the weld metal toughness in SAW of HSLA steels was studied by changing the copper content in welding wire.
介绍了螺旋埋弧焊管焊缝余高的重要性、焊缝余高对焊缝力学性能的影响以及余高对螺旋埋弧焊管防腐的影响。
This article introduced weld reinforcement importance to SSAW pipe, effect of weld reinforcement to weld mechanical property and to SSAW pipe anti-corrosion.
埋弧自动焊焊缝余高过大会对压力容器产生应力集中的影响，因此应加以控制。
Produced stress concentration if weld reinforcement too large for submerged arc welding, so it should be control.
螺旋埋弧焊钢管内焊缝裂纹是本行业多年未解决的问题。
Inside welding seam cracking of spiral submerged Arc welded pipe is the unsolved problem for many years in the pipe field.
主要研究A105钢小直径焊丝埋弧焊时，电弧电压、焊接电流和焊接热输入对焊缝成形的影响。
The effects of arc voltage, welding current and heat input on the weld appearance in submerged-arc welding(SAW) of A105 steel with small diameter welding wire were experimentally researched.
研制了适合水平直焊缝和水平圆形焊缝的窄间隙埋弧焊专用焊机。
A special design of narrow gap SAW machine is developed in order to weld straight and circular joints at flat position.
研制的容器主焊缝埋弧焊材与国外典型的埋弧焊焊材在焊接工艺性能和熔敷金属力学性能及纯净度方面对比，结果表明研制焊材与日本神户制钢所的US-521HD／PF-500D焊材相当。
The weldability, deposited metal's mechanical properties and purity of the new developed shell butt welding SAW material as the same level compared with Kobe Steel US-521HD/PF-500D.
研制的容器主焊缝埋弧焊材与国外典型的埋弧焊焊材在焊接工艺性能和熔敷金属力学性能及纯净度方面对比，结果表明研制焊材与日本神户制钢所的US-521HD／PF-500D焊材相当。
The weldability, deposited metal's mechanical properties and purity of the new developed shell butt welding SAW material as the same level compared with Kobe Steel US-521HD/PF-500D.
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