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butt weld
相关语句
  对接焊缝
     The segments are numerous for large span steel box girder bridge, it is difficult to control the contracted quantity of butt weld that accumulates largely.
     大跨度钢桥中 ,由于梁段数量多 ,梁段与梁段对接焊缝收缩量难以控制 ,其变化量积累起来数量大 ,所以梁段成桥工地焊接对其梁段总长的影响较大。
短句来源
     Stresses and Deformations of Spherical Sealing Head's Butt Weld
     球形封头对接焊缝的应力与变形
短句来源
     Key welding parameter that influence the susceptive of solidification cracking in the butt weld roots of SA335 P91 pipes are studied in the method of orthonormal test.
     运用正交试验的方法分析了焊接电流、焊接速度和左右焊道搭接区电弧停留时间等主要工艺参数对SA335 P91炉管全位置固定单面焊双面成形对接焊缝根部凝固裂纹的影响。
短句来源
     On the basis of Code for Design of Steel Structure(GB50017—2003),combined with American Load and Resistance Factor Design Specification for Structural Steel Buildings(LRFD—2001) and European Criterion(EC3—1993),details of constitution and connection calculating methods of butt weld and fillet weld are introduced and compared. The conclusions can be referred by engineers for learning the development and the level of technique of steel structure criteria.
     以我国现行《钢结构设计规范》(GB50017—2003)为基础,结合《美国钢结构规范》(LRFD—2001)和《欧洲钢结构规范》(EC3—1993),对规范中关于对接焊缝和角焊缝的构造及连接计算方法进行了详细比较,相关结论可供工程技术人员了解国内外钢结构设计规范的技术水平和发展动态。
短句来源
     Research for Crater Crack of Butt Weld of T91 Tubes
     T91钢管对接焊缝弧坑裂纹的研究
短句来源
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  对接焊
     Analysis on Weld Seam Quality and Process Control for the Cold Rolled strip Butt Weld
     冷轧带钢对接焊过程控制及焊缝质量分析
短句来源
     The result shows that the temperature field and the distribution of stress in circular weld are greatly different from the ordinary butt weld.
     数值模拟结果表明 ,在环焊缝焊接过程中形成了与常规对接焊完全不同的焊接热循环过程 ,残余应力状态复杂 ;
短句来源
     A study of the improvement of the butt weld groove of a boiler set box and pipe
     锅炉集箱和管道对接焊坡口的改进研究
短句来源
     Advance of Evaluation Methods of Heat-Fusion Butt Weld for Polyethylene Pipe
     聚乙烯管材热熔对接焊性能评价方法进展
短句来源
     Due to the effect of steel grade and operating experience, the weld seam quality of Butt weld of acid abrasion line in cold rolled strip mill is difficult to be assured, and the high broken frequency of weld seam through the rolling machine affect the cold rolled product quality .
     冷轧厂酸洗线上的对接焊 ,由于受钢质及操作经验影响 ,使焊缝质量难以保证 ,过轧机时焊缝断带率较高 ,影响冷轧产品的质量。
短句来源
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  “butt weld”译为未确定词的双语例句
     Effect of welding parameters on solidification cracking in butt weld roots of SA335 P91 pipes
     工艺参数对SA335 P91钢焊缝根部凝固裂纹的影响
短句来源
     The Study of Weld Cracking on Butt Weld of 10MoWVNb Steel Plate
     10MoWVNb钢的板对接焊接接头裂纹的研究
短句来源
     Experimental Study of Fatigue Life of GH2132 Butt Weld Joint at Different Temperatures
     GH2132材料对接焊接头不同温度疲劳寿命试验研究
短句来源
     Testing Study on Residual Stress of 16MnR Steel Butt Weld By Metal Magnetic Memory
     16MnR钢板焊接对接接头残余应力磁记忆检测研究
短句来源
     A welding technology to weld the butt weld in site for 610mm×10.3mm longitudinal seam welded steel pipe is introduced.
     介绍了一种适用于610mm×10.3mm直缝焊钢管对接环焊缝现场施焊工艺。
短句来源
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  butt weld
Single pass butt weld geometry with single "V" for 100 mm nominal diameter pipe with same sized weld neck type ANSI flange of class no.
      
Butt weld joints are most commonly designed into pressure vessels by using weld material properties that are determined from a tensile test.
      
For butt weld geometries, the degree of transverse constraint is shown to be a significant boundary condition, compared to simpler bead-on-plate analyses.
      
Both the bead-on-plate weld and the butt weld after the postweld artificial aging treatment had almost equivalent tensile strengths to that of the base plate.
      
The crack growth rate in a butt weld joint of Du 350 piping
      
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The working principle of the automatic laser tracking transducer for welding will be described in the present work. This transducer is not restricted by the roughness of the detected surface by using the non-contact distance-detecting technique for the optical path of the direct-visual transverse focusing alignment. It can be used even to detect the uneven surface which was sheared, planed and manually gas cut. This transducer can be assembled into the single or double as required. The double receiver has various...

The working principle of the automatic laser tracking transducer for welding will be described in the present work. This transducer is not restricted by the roughness of the detected surface by using the non-contact distance-detecting technique for the optical path of the direct-visual transverse focusing alignment. It can be used even to detect the uneven surface which was sheared, planed and manually gas cut. This transducer can be assembled into the single or double as required. The double receiver has various recepting combinations. By means of recepting signal of these combinations about 30 deviational positions of butt weld groove can be detected. Above-mentioned transducer can directly track the beveled sides, the edge of weld groove as well as the artificial tracking line (plastic tape). Aforesaid transducer has been applied in production.

本文介绍了研制的焊缝激光自动跟踪传感器的工作原理.由于采用了非接触式的直视横向焦点对准光路的测距法,因此本传感器对被检测表面的光洁度没有要求.它甚至可以检测剪切、刨削和手工气割的凸凹不平的表面.根据需要,传感器可组成单接收器或双接收器。双接收器有多种接收组合,利用这些组合的接收信号可检测对接坡口的三十多种位置偏差.传感器可直接跟踪焊接坡口的斜面或棱边,也可以跟踪人为跟踪线(塑料带).上述传感器已用于生产.

In this paper the main problems concerning the quality of flash butt welding ofboiler tubes from a technological point of view are discussed.It is emphasized thatthe prevailing explanation for the mechanism of forming low plasticity structureslike the“grey fish eyes”remains to be made perfect with further investigations.The“grey fish eyes”defects could be best put under control by technologicalmeans.The practical methods of improving welding technology are stated;and theselection of welding...

In this paper the main problems concerning the quality of flash butt welding ofboiler tubes from a technological point of view are discussed.It is emphasized thatthe prevailing explanation for the mechanism of forming low plasticity structureslike the“grey fish eyes”remains to be made perfect with further investigations.The“grey fish eyes”defects could be best put under control by technologicalmeans.The practical methods of improving welding technology are stated;and theselection of welding parameters analyzed.The paper also introduces the principle ofthe technique of preheat energy auto-control.In flash welding with preheating,the“heat level”of joints can be monitored by varying the degree of preheating,thusmaking the regulating process of welding parameters much more simplified.The said improvements have been put into practice and proven to be reliable andsatisfactory in production.

本文对闪光焊工艺中存在的“灰斑”等低塑性组织形成机理的解释提出了新看法.认为“灰斑”可以由焊接工艺参数的调整来进行控制,并对改进管子闪光焊工艺的具体措施,比如工艺参数的选择进行了分析.介绍了预热能量自动控制技术的应用。大大简化了焊接工艺参数的调整过程.研究结果已在实际批量生产中得到了验证。

On the basis of the uniaxis tensile tests of several mitre welding joints, a mathematical treatment for calculating loading capacity of the butt welding joints under complex stress condition was worked out and an empirical formula is given as:

本文根据几种倾斜焊接接头单轴拉伸试验结果,提出了在复杂应力状态下焊接接头承载能力的新计算法,并推导出计算焊接接头强度的经验公式: σ_(eq)=((σ_w~2)+(ewτ_w~2)~(1/2)·经验公式是根据塑性失稳和现代断裂力学为理论基础提出的。同时指出,倾斜焊接接头总是比垂直焊接接头有较高承载能力的传统概念及计算方法是不完整的。

 
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