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激光制造在运输机械制造中的优越性

激光制造是将激光作为一种能源,利用光子能量这个新型能源的加工方式,通过光纤或者镜组以非常高的速度实现对光的传递,从而完成加工任务的过程。激光制造具有一系列传统制造方法不具备的优点,如:加工速度快、效率高、噪音小、可在空气中传输、容易实现自动化等,而且随着工业发展和人们对激光技术认识水平的不断提高,激光在运输机械制造过程中所占的比例在一定程度上体现了制造水平。


Manufacture of laser is the laser as a source of energy, using the processing method of the photon energy of this new type of energy, through the optical fiber or the mirror group with very high speed implementation of light transmission, thus completing the processing tasks in the process. Laser manufacturing has a series of traditional manufacturing methods do not have the advantages, such as fast processing speed, high efficiency, low noise, in the air transmission, easy to realize automation, and with the continuous improvement of industrial development and the people to the laser technology level of understanding, laser in transport machinery manufacturing process accounts for the proportion of in a certain extent, reflects the level of manufacturing.


在船舶、飞机、汽车和机车车辆等运输机械的制造中,注册食品公司板材结构的连接直到目前仍主要使用铆接工艺,这是由于传统的焊接方法(如火焰、电弧、等离子体弧等)热源是发散的,能量密度较低,因此焊接速度低,热输入量大,造成焊接接头性能差。与传统焊接热源不同,激光具有优良的传输和聚焦特性,经过聚焦镜组后可以将能量高度集中。因此,激光焊接可以使用最少的能量作用于最小的区域,作用时间大大缩短,加工速度大大提高,得到极其细小的焊缝组织,近缝区的热影响很小,焊接结构的变形也最小,保证了焊接接头良好的性能。


In the manufacture of ships, aircraft, vehicle and vehicle transport machinery, plate structure connection until now still mainly use the riveting process. This is due to the traditional welding methods, such as flame, arc, plasma arc heat source is divergent, a lower energy density, the welding speed is low, large amount of heat input, resulting in welding joint performance is poor. Different from the traditional welding heat source, the laser has excellent transmission and focusing properties, after the focus mirror group, the energy concentration can be highly concentrated. Therefore, laser welding can use the least energy function in the region of the smallest, greatly shorten the time, greatly improving the speed of processing, microstructure of the extremely small, near the weld heat affected small, welding deformation of the structure also minimum guarantee good performance of welded joints.


以汽车工业为例,从样车的开发、零部件的制造到车身总装,激光无所不在。在样车的开发和小批量生产中,高度柔性的激光三维切割取代大量的冲孔和修边模具,不仅节省大量的模具,同时新车型的开发周期大为缩短。在汽车零部件制造方面,多种汽车变速箱激光焊接替代了传统花键连接、电子束焊接,大大提高了生产效率和变速器的整体质量与性能,降低了变速器齿轮的制造成本,选择多,节省材料,减化多种工艺流程;根据车身不同部位的承重和使用要求,利用激光焊接将不同材质、不同厚度和不同表面状态的坯板拼焊在一起,然后一次压制成型制造车身部件,车身部件使用由激光薄厚大板拼接的组合板,显著降低了车身重量,取代了传统的拼焊方式。在车身总装上,激光焊接和钎焊取代了传统的电阻点焊工艺。由于激光制造技术所具有的无与伦比的优势,在欧洲,几乎所有汽车制造厂在汽车研制开发和生产中无一例外的大量采用激光加工。实际上,激光制造技术在汽车制造中应用的广度和深度已经成为汽车工业先进性的重要标志。


In the automobile industry as an example, from the development and fabrication of prototype parts to the body assembly, omnipresent laser. In the prototype development and small batch production, highly flexible 3D laser cutting is replaced a lot of punching and trimming die, not only saves a lot of mold, also the development cycle of new models is greatly shortened. In the auto parts maker, a variety of automotive gearbox laser welding to replace the traditional spline connection, electron beam welding, greatly improves the production efficiency and the transmission of the overall quality and performance, which can reduce the manufacturing cost of gear transmission, multiple choice, material saving, reduction of process; according to the different parts of the body bearing and the use of the request, using laser welding of different material, different thickness and different surface blank plate welded together and a pressing body parts manufacturing, body parts by laser thickness plate spell combination plate connected, significantly reduced the body weight, to replace the traditional welding way. In the body assembly, laser welding and brazing to replace the traditional resistance spot welding process. Due to the unparalleled advantages of laser manufacturing technology in Europe, almost all of the automotive manufacturing plant in the development and production of automotive without exception, without exception, a large number of laser processing. In fact, the breadth and depth of the application of laser manufacturing technology in automobile manufacturing has become an important symbol of the advanced nature of the automotive industry.


激光制造是效率最高、流程最短、整体性最高(密封性、强度就是整体性和散件区别的标志)、最节约高合金材料,轻型化、节省能源的制造方式。


The laser manufacture is efficiency the highest process, most short, overall highest sealing, strength is the overall and spare parts from sign), save the most high alloy materials, light, save energy manufacturing.

 

 

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