It showed that the weld cross section with both laser welding processes transformed from nail shape to near X shape with increase of laser power and decrease of welding speed.
结果表明，随激光功率增大和焊接速度降低，复合焊与单一激光焊焊缝的横截面形貌均由钉形向近X形转变。
A practical high-power CO2 laser welding and cutting equipment with high beam quality was introduced, the optical system was analyzed.
介绍了一种实用型高功率、高光束质量CO2激光焊接、切割机，分析其光学系统。
Comau, an Italian robot specialist, now produces a 3d remote-laser welding system that helps make the new Fiat 500.
意大利机器人专家Comau，制造了一个3d遥控激光焊接系统，已被用于菲亚特500的制造中。
The toughness of HAZ is higher than base metal under appropriate laser welding conditions.
在合适的激光焊接条件下，热影响区韧性高于母材；
In this paper, analysis the influence of the focusing characteristics for the quality of the laser welding, demonstrate the characteristics of twin-focus welding technique.
通过分析双焦点聚焦特性对激光焊接质量的影响，论证了双焦点激光焊接技术的特点。
Welding porosity is the main defect during laser welding.
焊接气孔是粉末冶金材料激光焊接的主要缺陷。
A numerical method is presented for the two dimensional quasi steady state heat transfer on high power density laser welding processes according to the keyhole model.
对高能量密度激光匙孔焊接过程的二维准稳态传热进行了计算方法的研究。
Then we carry on the study and development on laser welding equipment with high beam quality.
因此我们进行了高功率、高光束质量的激光焊接设备的开发和研究。
Laser welding tailored blanks (LWTB) is good of low tare, low production costs and high productivity, it has been widely studied on automotive industry.
激光拼焊板具有车身质量轻、生产成本低、生产率高等优点，在汽车制造中具有很大的应用价值。
Application of laser welding technology in the production of engineering vehicle.
激光焊接技术在工程车辆生产中的应用。
The application of laser welding technology in P/M materials and its developing status are systematically introduced.
系统地介绍了激光焊接技术在粉末冶金材料中的应用及其国内外动态。
Laser welding of 5083 aluminum alloys with high power CO2 laser is experimental studied in this paper.
利用高功率CO2激光器，对5083型号的铝合金薄板进行了焊接试验研究。
The application results show that laser welding can meet higher strength stress demands for those fatigue load parts, such as intake and exhaust valves, timing gear, suspension equipment.
应用结果表明：对于进排气门、正时齿轮和悬架装置等承担疲劳载荷的零部件，激光焊接可满足其较高的强度要求；
Thermal focusing is an important factor to influence the quality of laser welding.
热透镜效应是影响激光焊接质量的重要因素之一。
A laser welding quality monitoring method is proposed, based on support vector machine.
提出了一种基于支持向量机的激光焊接质量监测方法。
A method to obtain the diagnostic signal, the acoustic feedback control system and the principle of laser welding diamond saw are described in the paper.
介绍了特征声信号的提取方法及其用于激光焊接金刚石锯片的反馈控制系统构成和基本原理。
By taking laser welding, different steel base, hardness, surface treatment sheet steel can be welded together to meet the special requirements of different parts.
通过激光焊接可将不同材质、不同强度、不同表面处理的钢板焊接在一起，以满足零件不同部位性能的需要。
To guarantee good quality of butt laser welding with filler wire, a gap width detecting sensor and a wire feeding system has been designed.
本文针对高质量板材对接填丝激光焊的需要，设计了对缝间隙宽度检测的传感器与送丝控制系统。
It has promising prospect in material processing, laser welding, medicine treatment and military.
在工业加工、激光焊接、医疗军事等领域有很好的应用前景。
It perfealy integrared the world famous ABB robot arm and fiber laser welding macHine that can realize aucomated production t. the maximum.
采用世界著名的ABB机械手与光纤传导激光焊接机完美结合，可最大程度实现生产的自动化；
The superiority of the connection of nut with protection by laser welding is expounded.
论述了激光焊接连接防护罩和螺母的优越性。
Gaseous helium is used as an inert shielding gas in metal arc and laser welding.
在金属电弧和激光焊接中气态氦用作惰性屏蔽气体。
The technological properties of laser welding for aluminum and aluminum alloys are described.
概述了以激光为热源的铝及铝合金激光焊接技术特性。
Plasma produced in laser welding process has shielding effect to the laser beam and decreases the melting depth on even result in the defect.
激光焊接过程中产生的等离子体对激光束有屏蔽作用，降低了焊接熔深，甚至出现缺陷。
This paper introduced the experiment of applying high power, deep penetration laser welding stainless steel tubes-tube plates.
本文介绍了采用大功率深穿透激光焊接不锈钢制压力容器管子—管板环缝的试验结果。
A special coaxial nozzle was designed to resolve the difficulties of the titanium alloys laser welding.
为了解决这些问题，设计专用同轴喷嘴用于钛合金激光焊接。
Autogeneous CO2 laser welding were run along the butt between two materials using sets of parameters power and travel speed.
采用不同功率和运转速度参数对两种材料进行了CO2激光对接焊。
In this paper, the formability of cold rolled steels after laser welding were analyzed.
在本研究中，对汽车用冷轧钢板在激光焊接后成形性能进行了细致的分析。
In this paper, the formability of cold rolled steels after laser welding were analyzed.
在本研究中，对汽车用冷轧钢板在激光焊接后成形性能进行了细致的分析。
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