焊接接头

Connecting of doubler strake is a relatively weak link, fatigue strength of which is largely reduced due to the influence of the weld flaw, weld inside stress and weld surface figure. If the ship is under the alternate load function for a long time in long service, fatigue destruction of connecting may happen, strength of deck plating or bottom plating strengthened may also be influenced.

复板条的对接接头是一个相对薄弱的环节，由于焊缝缺陷、焊接内应力、焊缝表面形状等因素的影响，使得接头的疲劳强度大幅度降低，船舶在营运过程中长期受到交变载荷的作用，就会引起对接接头的疲劳破坏，继而影响到被加强的甲板或船底板。

With comC technique''s dependent we have engaged more than ten skilled graduaters in forming machines, advanced test equipmentsso on,and make my factory be a most speciality for hydraulic hoses hose clipsfittings hydr aulic adapters welding fittings.used in heavy engine vehicles、railway、metaiiurgy、chemical industry etc way in China.

随着数控技术的发展，我厂高薪聘请十余名专业化从事液压件开发、设计、制造的高技术人才，是国内最具有规模的液压胶管、管夹、接头、过滤接头、焊接式接头的生产企业，产品广泛用于国内重型机械车辆、铁路、冶金、化工等行业。

The law how these factors influence the joint"s property was pointed out. A formula about the relationship between extrusion times and contamination remainder was founded. Main reason to bimetal"s inharmonic deformation was the difference of their mechanical property. Thereby, the empirical formula showing the relation between metal combination"s mechanical property and quality of joint was constructed. Integrated influence of extrusion times and metal"s mechanical property to quality of cold pressure welding joint was discussed.

在模拟结果分析和实验的基础上，对影响异种金属冷压焊焊接性的工艺因素进行了分析；探讨了诸因素对接头性能的影响规律，并且建立了挤压次数与界面污染物残留量之间的数学表达式；指出了两种材料力学性能差异是造成不协调塑性变形的主要原因，并且建立了材料力学性能与其冷压焊焊接性之间的经验公式；定性的讨论了挤压次数及材料力学性能对冷压焊接头性能的综合影响。

Under torch brazing condition, using brazing filler metals of Cu-based and Ag-based, a series of tests are investigated to braze Ti based cermets and 45 steel, the micrographic structure of joints and shearing test results are analyzed, they show that Ti based cermets has good brazability.

通过观察和分析钎焊接头的结合情况及剪切试验，表明 Ti基金属陶瓷具有较好的钎焊性；火焰钎焊条件下，以 H 6 2为钎料的接头的平均剪切强度为37MPa，以 BAg10 Cu Zn为钎料的接头的剪切强度达 114 MPa，以 BCu Zn Mn为钎料的接头的平均剪切强度为 4 9MP

All welding of stair stringer miters, closure plates, extension pieces, and similar welding applications shall be continuous welds and shall be ground smooth.

所有的焊接：包括楼梯梁的斜截面、封板、内外螺纹管接头、以及其他类似的焊接，都要进行连续焊接并要磨光处理。

In view of easy fusion flaw between connecting of doubler strake and deck plating or bottom plating strengthened, this paper puts forward a fire-new welding technics for the purpose to improve the technics of welding connecting of doubler strake. Under the help of this way, connecting of doubler strake can be penetratingly fillet welded, but not fuse with deck plating or bottom plating strengthened, at the same time the figure of weld surface can also be managed for increasing fatigue strength of connecting.

本文针对复板条对接接头容易和被加强的甲板或船底板发生粘连的缺点，从改善复板条对接接头的工艺入手，提出了新的焊接工艺，使得复板条对接接头既能保证完全焊透，又不会和被加强的甲板或船底板发生粘连，同时对焊缝表面形状进行处理，以提高接头的疲劳强度。

Now, the technology of flash welding has been applying in the engineering of rail welding progressively. The temperature field of flash welding plays a crucial role in the quality of welding joint, so the study of welding temperature field is significant to ensure the traffic safety and quality of welding and reduce the cost of welding.

目前，闪光焊技术在我国钢轨现场焊接工程中的应用正日益增多，由于钢轨闪光焊的焊接温度场对接头质量起着决定性的作用，因而开展钢轨闪光焊温度场的研究，对于控制焊接质量，降低焊接成本，提高列车运行安全具有十分重要的意义。

Friction stir welding is a new solid state welding technique under the actions of mechanical forces and frictional heat. FSW has many advantages on the aspects of mechanical properties and producing efficiency, such as high strength, low defect, no pollution, etc. FSW can be used to join the buttcover plate and lap jointed sheeting of many materials, such as aluminium alloy, magnesium alloy, copper alloy, etc.

搅拌摩擦焊接是一种在机械力和摩擦热作用下的新型固态焊接技术，在接头力学性能和生产效率上具有较高的优越性，具有低缺陷、高强度以及环保等特点，同时，搅拌摩擦焊接技术可以对包括铝合金、镁合金、铜合金等多种材料的板状构件实现对接或搭接，另外，搅拌摩擦焊接可以较容易实现异种材料的连接。

Carrying through process qualified record according to kind of parent metal, thickness of metal, type of joint, welding position and the fillers.

根据产品材料种类、厚度、接头类型、焊接位置、焊接材料类型及采用的焊接方法进行焊接工艺认可。

A series of spot welding technology and joint tensile-shear tests for uncoated low carbon, electroplated and two kinds of hot dipped zinc-coated steels were made to improve the quality of spot welding joint for zinc-coated steels. The test results were analyzed with computer regressive method. The effects of welding current or time on nugget diameter or joint tensile-shear strength and critical curves in splash generation for spot welding were obtained.

摘 要：为提高镀锌钢板点焊接头的质量，对普通冷轧钢板、电镀锌钢板和两种镀锌层厚度不同的热镀锌钢板进行了一组点焊工艺及接点强度试验，并对试验结果进行了计算机回归分析，分别得出了这几种材料在不同的焊接电流、焊接时间下的点焊熔核直径或接头拉剪强度变化曲线以及点焊飞溅临界曲线。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。