HG Laser the Rofin build three-dimensional laser remote welding platform to display formal operation

HG Laser the Rofin build three-dimensional laser remote welding platform to display formal operation

HG Laser the Rofin build three-dimensional laser remote welding platform to display formal operation
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modern industrial production and production efficiency and quality requirements are getting higher and higher, and the advantages of laser welding for its high speed and efficiency in many industries are fully application, and continuous development. In recent years, laser scanning welding industrial production efficiency greatly improved. The main difference between the laser scanner welding with traditional laser welding laser beam positioning method, the scanning welding technology by laser beam incident to the scanning galvanometer X and Y axis of the two mirrors on the computer to control the angle of the mirror and laser beam any deflection has a certain power density laser focus on the different position of the workpiece surface to achieve the welding function,dc 12v adapter. while negative linear movement of the lens focus position in the Z direction with a certain amount of adjustment range, the principle of laser scanning welding shown in Figure 1.

Figure 1 laser scanner welding schematic

focusing lens focusing distance is long, small-angle deflection of the reflection mirror to the laser beam can quickly switch between the solder joint (seam), the positioning time is almost zero. Abroad, the laser scanner welding is generally a long focal length,seal a gasket. large scan range and a highly flexible laser beam offset of the main advantages, which can be 500 mm or longer focal length range of scan welding is generally more than 1 m and abroad will be scanned welding system, known as remote welding system (Remote Welding System, RWS), the longer working distance can significantly reduce the laser pollution. Abroad at present with the robot and scan welding technique, called robscan welding, the use of multiple degrees of freedom flexible mobile robot can be galvanometer scan head positioning to any point and any angle for fast, for large parts, complex surface parts multi-spot welding, also known as 3D laser scanner welding, the technique is called “flight processing (processing-on-the-fly), which is the most efficient welding technology.

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HGLaser Fali Lai and ROFIN technology center as a platform to develop flight welding. The ROFIN provide the 4kw fiber laser and SWS scan welding head, and laborers laser equipped with ABB robot and control system, optical and electrical system integration. Both combining the strengths of the pilot study of laser remote welding process, to jointly explore the development of 3D laser remote welding system in the industry.

system scan range of 380 * 380 * 70mm, in the XY plane distance of 300mm, the positioning time of only 12ms. Welding speeds up to 40 m / min. Welded joint focal length of 660mm, to protect the lens distance from the welding point distance of 472mm through two layers of air knife protection to reduce welding spatter on the protection of the lens. The SWS welding head can work in two modes, a static model, the robot needs to pause in the welding position, welding head can be scanned within the welding. A flight mode (On-The-Flying), the welding head control cabinet need to read the trajectory of the robot manipulator velocity, coordinates, and calculate the correct scan graphics. Robot movement while scanning, which is controlled and calculated a higher demand.

Figure 2 laser welding platform

< p style = "text-indent: 2em;"> application scanning welding can change the weld shape and distribution to optimize the welding strength, greatly increasing the flexibility of product design: the weld shape can be arbitrarily set, round, square, oval, etc. can be; weld direction can be arbitrarily set, horizontal, vertical, diagonal, and can be; weld distribution can be arbitrarily set; can optimize the stress distribution. Weld shape, welding position, optimization, optimize the design of the structure and fixture, process, thereby reducing material costs, reduce equipment footprint, and ultimately increase business efficiency. Especially in the automotive body in white industry, three-dimensional laser remote welding for its high productivity, high flexibility, reduced floor space, as well as technical and economic advantages of welding a variety of different shape parts, gradually replacing the traditional resistance spot trends.

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HGLaser ROFIN build three-dimensional laser remote welding display platform is officially put into operation after, will strive to provide enterprises with efficient high-quality welding solution.


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