查询词典 weld

The absolute coding model360°angle sensor is us ed for inducing the angles and positions of the track type sphere welding machin e.Knowing the distances from two end points of the track to the weld-groove w e calculated,mathematics formulas of the distance of the any position of track to weld-groove.

采用了一种绝对编码式360°倾角传感器作为轨道式球罐焊机的角度位置传感器，在已知轨道两端点至焊接坡口横向距离的前提下，进行了整个轨道任意位置与焊接坡口间横向距离的数学公式推导。

Welded directly connected to control valves and pipe welding, socket weld or butt weld can be used.

焊接连接将控制阀直接与管道焊接，可采用套接焊接或对接焊接。

To promote and apply this technology effectively, this article has studied the different excited frequency butt weld residual stress influence, namely carries on the vibration with the different excited frequency butt weld test sample.

为了更有效地推广和应用该项技术，本文研究了不同激振频率对焊接残余应力的影响，即用不同的激振频率对焊接试件进行振动。

Wagon body is a complicated weld structure. While physical wagon can not used to do fatigue test, how to make anti-fatigue design has been discussed in this paper. One coal hopper wagon has been taken as an example to study about anti-fatigue design of the wagon. First of all, based on finite element technique and the theory about how to predict fatigue life of weld structure, the technology route and key technique are given as well, which is based on AAR standard about weld structure wagon fatigue life predicted.

论文认为货车车体是复杂的焊接结构，为了使货车车体焊接结构抗疲劳设计在产品的图纸上就能卓有成效地展开，论文以新型煤炭漏斗车为研究对象，对煤炭漏斗车车体抗疲劳设计开展了一系列研究：首先，基于有限元算法和焊接结构寿命预测的疲劳理论，给出了基于北美铁路协会AAR标准的货车车体焊接结构寿命预测的技术路线及关键技术。

The eddy current conductivity gauge was used to measure the conductivity distribution of the weld cross section and the conductivity at the original weld line with different depth of the lack of penetration defect in the friction stir weld of LY12 aluminum alloy.

采用涡流电导测量仪，测量LY12铝合金搅拌摩擦焊垂直于焊缝方向的电导率分布及具有不同深度未焊透缺陷处焊缝的电导率。

The welding deformation and residual stress are decreased evidently.The dimensional stability and service security of the welding structure are increased obviously.The impact absorbing energy of weld is improved by 21% under vibratory weld conditioning. And the effect of mechanical vibration on the impact absorbing energy of weld is greater than that of HAZHAZ are refined distinctly. The fusion area and overheated zone are narrowed. And the dimension of Widmanstaten structure minishes or disappeares.

试验结果表明：振动焊接后，焊接变形和残余应力明显降低，焊接结构尺寸稳定性和使用安全性大大提高，振动焊接后焊缝试样的冲击吸收功平均值比常规焊接下冲击吸收功的平均值提高了21%，且振动焊接对焊缝冲击性能的影响要明显大于对热影响区冲击性能的影响；振动焊接使得焊缝和热影响区的组织明显细化，熔合区和过热区变窄，魏氏组织减小或消失。

This article has studied HG70 steel and HS-70 welding wires weldings,the welded joint,welding quality,and the welding operational performance,in restricts under the welding condition,Uses HS-70 welding wires,Experiments the steel plate the weld joint stretch,degree of hardness and the resilience test result indicated that,HG70 steel and HS-70 welding wires weld joints have the low crack sensitivity,The welding quality is good,Its weld joint has the fine mechanics performance,thus explained they had the fine welding match.

0前言非调质钢具有优良的使用性能和较低的生产成本，受到普遍重视。HG70钢是武钢开发的工程结构用钢，具有强度高、低温韧性好的特点。传统高强度钢一般碳当量较高，焊接性能较差。通过加入微量合金元素、采取新的控轧和调质工艺，使得HG70钢在提高强度的同时，亦保持了较高的韧性和较低的碳当量，因而从理论上讲HG70应具有较好的焊接性能，但HG70钢与HS-70焊丝的匹配情况，还有待于分析验证。

In addition, the authors also investigated the mechanism of pitting failure of spraying weld tappets, the anti-pitting properties of surface spraying weld overlying strata and the influence of spraying weld technique on the anti-pitting property of tappet.

文章还就喷焊挺杆的点蚀失效机理、挺杆表面喷焊覆层的抗点蚀性能和喷焊工艺对挺杆抗点蚀性能的影响等进行了比较系统而深入的分析和讨论，指出这种喷焊上艺可以应用于斯太尔挺杆的国产化批量生产。

One side of the weld should pull loose from the parent metal with a metal extension from the weld. Check for proper weld diameter.

从焊件母材金属上拉下来的含有焊点的那一边可以用来检查焊点的直径。

Results show that when improving spot pitch in weld bonded joints with high elastic modulus adhesives, stresses in weld spot zone are decreased while stresses and strains at edges of overlap region are increased slightly. For the joints with low elastic modulus adhesives, both stress concentration degree at the weld spot and the shear strain at edges of overlap region are increased with the spot pitch increasing.

结果表明，高弹性模量胶粘剂胶焊接头中，增大焊点间距，焊点区应力减小而搭接区边缘胶层中的应力应变略有增大；低弹性模量胶粘剂胶焊接头中，焊点处应力集中程度和搭接区边缘胶层中的剪应变值都随焊点间距的增加而增大，增加焊点间距，两种接头的胶层断裂强度都将降低。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。