Through the exploration of the mechanism of welding cracks on beam hangers, the reason behind the crack is analyzed.
对游梁式抽油机悬绳器焊接裂纹产生原因进行了分析。
Spot inspection indicates that the welding cracks can be evaluated exactly by the location feature of derivative MMM signal.
现场检测表明,利用一阶微分处理后的磁记忆信号定位特征,可准确地对焊接裂纹进行检测。
Using the technology in production, can effectively prevent the generation of welding cracks, it can be extended to the applications in similar welding structure.
生产中采用该工艺措施后,有效地防止了焊接裂纹的产生,值得在类似结构焊接中加以推广应用。
The correct inspection methods are proposed to avoid misjudgement of welding cracks when the welding seam is detected after the turbine blade shroud bands is welded.
指出汽轮机叶片围带焊后检测焊缝时避免焊接裂纹误判的正确探伤方法。
Welding CCT diagrams of steels are the basic to select welding material, determine the optimum welding technology, relieve welding cracks and lay down standard of past heat treatment.
钢的焊接CCT图,是正确选择焊接材料、确定最佳焊接工艺、消除焊接裂纹、制订焊后热处理规范的重要依据。
Stress concentration zones caused by welding cracks are the most dangerous weak-links in service processes of welding works, so an effective safety evaluation of the links is of great importance.
焊接裂纹产生的应力集中区是焊接构件在服役过程中最为危险的一个薄弱环节,对这个环节进行有效的安全评估,具有重要意义。
The first kind of these techniques is the acoustic emission technique which was applied to detect the welding defects such as welding cracks simultaneously during the process of welding in shipyard.
第一种为声发射技术,用于发现焊接时出现的缺陷,比如在焊接过程中出现的焊接裂缝。
If the cracks or split off shaft can take when welding, welding or CALCINED access, and then by tempering, to grinding turning.
如若泵轴裂缝或拆断时,可采取焊补,焊接或煅接,再经回火、车削研磨即可。
No substrate deformation and collapse, no strength reduction and cracks after welding.
无基材结构变形的影响,无变形及塌陷,焊接后强度减小和龟裂。
Material for rail of crane is of strong strength because of high carbon content, but of poor weldability, which makes more cracks. Strict technique is required in such welding.
吊车轨道的材料由于其含碳量较高,强度大,可焊性较差,焊接时容易产生裂纹, 因此要严格按照工艺执行。
The causes of resulting in the cracks are discussed and the proper techniques of repair welding the cracks are presented in this paper.
本文就裂纹产生的原因和如何正确安排焊补工艺进行讨论。
It is difficult to avoid the cracks using mild steel electrode and common welding technologies.
用普通碳钢焊条与一般焊接工艺是很难避免裂纹的。
The cracks produced in the automatic SAW welding test are existed in the weld, and has nothing obviously with WGJ510C2 steel.
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。
Meanwhile welding repair of the cracks are performed.
并对该裂纹进行焊接修理。
The longitudinal cracks along bond line and the transverse cracks which cut across the weld metal cross section inside weld metal were formed, while X65 pipe line steel was welding.
X65管线钢在焊接过程中,内侧焊缝金属出现横向和纵向沿熔合线方向的裂纹,横向裂纹贯穿焊缝金属横截面。
This paper analyses the reasons of the cracks occurring on coal mill's manhole, and briefly expounds the repairing method of welding and the evaluation of its applying result.
文章分析了磨煤机人孔裂纹产生的原因,简述了焊接修复的方法及其使用效果评价。
In addition to cracks resulting from welding in boiler and pressure vessels, there are also corrosion cracks due to corrosive environment.
锅炉及压力容器除了焊接引起的裂纹外,还存在着由腐蚀性环境而引起的腐蚀开裂。
The welding deformation not only have bad effect on the good appearance, but also can result in all kinds of weld cracks.
焊接变形不但影响美观,还可能会引发各种焊接裂纹。
There are two types of cracks in the area next to weld seam of annular chains for mining during welding process, ie, teared type and punctured type cracks.
本文对矿用圆环链临焊缝部位在焊接过程中产生的裂纹进行了分析。
Defects such as blowholes, cracks can be easily formed during welding process of nickel materials, which will severely affect the quality of the welding joint.
镍材焊接时易形成气孔和裂纹等缺陷,严重地影响焊接接头的质量。
The fatigue life of the surface cracks of the weld toe and the central part of the welding bead are calculated.
又算出了这五种形状角焊缝趾端部和焊肉中央处的表面裂纹疲劳断裂的寿命。
The welding repair technology and method of copper tile cracks were presented.
介绍了铜瓦裂纹的焊接返修工艺及其措施。
This article is to confirm the corresponding factors for crack causing and the fatigue life, through an analysis of cracks at fastening plate, welding seams at the end of frame brace.
本文通过对交叉杆扣板直焊缝、端头环焊缝等各部位裂纹的分析,找出了其断裂机理及与疲劳寿命的相关因素。
According to the analyzed results, welding procedure was improved and cracks were restrained effectively.
根据分析结果,改进焊接工艺后,裂纹得到了有效的控制。
The problem of half-pipe jacket equipment is the leakage induced by cracks in half-pipe welding position.
半管夹套设备的问题,是在半管的焊接位置出现裂缝泄漏引起的。
This section will introduce the concept of Fracture Mechanics and initiation and growth mechanism of fatigue cracks, in particular, fatigue crack developed from welding defects.
本节将介绍结构断裂力学概念,礼炮裂纹的起始和生长机理。尤其是从焊接缺陷开始的疲劳。
Any severe deficiency of welding seams surface like cracks, pores, slags is forbidden.
焊缝表面不得有裂纹,气孔,夹渣等严重缺陷。
This process showed a stable arc, good welding joints without any gas pores and cracks.
焊接过程电弧稳定,焊接接头熔合良好,未见裂纹、 未焊透、夹渣、气孔等缺陷。
In addition, the metal body within welding heat effect zone will produce a lot of micro-cracks because of infiltration of solid solution nitrogen in course of porcelain spraying.
此外,喷瓷管道焊接热影响区的金属基体将由于喷瓷过程中渗入的固溶氮而产生大量微裂纹。
This paper describes the procedures and process of welding repair for turbine cylinder cracks in Nanhai a Power Plant.
介绍南海市发电a厂汽缸裂纹补焊的处理工艺和处理过程。
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