With the rapid development of China's economy, the quality of life of the people has gradually improved. Cars are no longer a simple means of transportation. People are more pursuing good dynamic performance and design aesthetics of cars. At present, cars have been popularized in every household in China, and large-scale and multi-modal production and manufacturing of cars has become the norm. Along with the need of automobile manufacturing industry to meet the continuous upgrading of export and domestic manufacturing, the traditional automobile processing technology and body parts can no longer meet the current product quality and production needs. The birth of laser cutting machine has played a key role in the production and manufacturing of automobile sheet metal.

Traditional metal processing methods mainly include plate cutting, punching, flame cutting, water jet cutting, etc. After the initial processing material is formed, the forehead angle and burr generated by processing need to be polished again. Insufficient processing technology leads to low production efficiency, difficult to achieve processing accuracy, and unable to meet the processing needs of sheet metal parts with complex shapes and high accuracy requirements in automobiles. From a technical and economic point of view, to improve the safety performance of vehicles, it is necessary to ensure the cutting accuracy of assembly materials.

In contrast, as an advanced means of metal processing, laser cutting has been put into use in many developed industrial countries as soon as it was launched, and plays an important role in the field of automobile manufacturing. Auto parts, auto doors, car bodies, auto door frames, auto trunk and roof, auto wheels, and many other precision parts can be processed by laser cutters.

Laser cutting includes plane cutting and three-dimensional cutting. For some high-strength steel structural components with complex contours, three-dimensional laser cutting is a very effective processing method from both the technical and economic perspectives.

In the automobile industry, laser machine is mainly used for body butt welding, welding and parts welding. Among them, laser tailor welding is to select steel plates of different specifications according to different design and performance requirements of the car body in the design and manufacturing of the car body, and complete the manufacturing of a certain part of the car body through laser cutting and assembly technology, such as the windshield frame, door inner panel, underbody, middle pillar, etc.

In the traditional trial production stage, the edge cutting and hole cutting of stamping parts can only be completed by hand. Generally, at least two or three processes are required, and the processing time is long. Moreover, manual processing can not guarantee the repetitive accuracy of cutting parts, which is difficult to meet the objective requirements of the shorter and shorter development cycle of vehicle models. The application of three-dimensional laser cutting machine makes the machine automatically "adapt" to the error caused by the elastic deformation of stamping parts, so that the three-dimensional laser cutting technology has really become a new precision and flexible processing method for automobile body processing.

The three-dimensional fiber laser cutter is an advanced laser cutting equipment that uses a special fiber laser cutting head, a high-precision capacitive tracking system, a fiber laser and an industrial robot system to flexibly cut metal plates of different thicknesses in multiple angles and directions. It makes use of the flexible and fast action performance of industrial robots, according to the size of the work-piece cut and processed by the user, and performs teaching programming or off-line programming for different products and different trajectories by front loading or reverse loading the robot, so as to conduct three-dimensional cutting of irregular work-pieces through optical fiber laser cutting heads; The laser is transmitted to the cutting head by optical fiber (the optical fiber laser cutting head is equipped with a special optical fiber servo device and an optical path transmission device), and then focused by a focusing system, which can cut a variety of three-dimensional metal plates in multiple directions.

The application of three-dimensional laser cutting machine reduces the investment cost of mold, greatly shortens the development cycle of automobile manufacturers and parts suppliers, improves the processing efficiency and the precision of cutting work-piece, and is a powerful tool for automobile manufacturers and parts suppliers to improve their competitiveness.

One outstanding advantage of three-dimensional laser processing is that it greatly reduces the production cost of products. Assuming that a car needs 10 body panels, if the conventional punching die is used for production, the cost of the required die is very high, and the man-day workload of all tooling preparation, design and commissioning takes a long time. If three-dimensional laser cutting equipment is used, the total cost will be greatly reduced, and the product development cycle time will be shortened.

The three-dimensional laser cutter can complete the tasks that can only be completed by many processes, such as traditional plasma manual cutting, trimming die, punching die, six axis robot three-dimensional cutting machine and wire cutting, and truly realize intelligent, multi-functional, high efficiency and low energy consumption flexible processing. The innovation of tools has brought about the improvement of production efficiency and product quality. The three-dimensional laser cutting machine can not only drive the development of the automobile industry, but also bring good news to the cutting industry of special-shaped materials.

Laser cutter has many advantages, such as high cutting accuracy, fast production speed, burr free cutting, processing of various complex features, one-time forming and so on. At present, it has become the preferred processing equipment in the automobile sheet metal manufacturing industry. Its main advantages can be summarized as follows:

1. High precision smooth cutting

The laser cutter adopts intelligent operation control system and professional laser cutting software, with high cutting accuracy, fast production speed and smooth cutting. It can accurately cut complex patterns with minimal error, making production easier and more secure!

2.  Save production cost

The production cost of laser cutting equipment is 50% of that of traditional cutting. The use of laser cutting machine can replace the blanking and manufacturing of traditional processing molds, saving a lot of mold manufacturing costs. Cutting "zero tailing" realizes high utilization rate of plates and reduces production costs of users.

3.  High processing flexibility

The use of laser cutting machine can achieve flexible processing, intelligent cutting software can edit various complex graphics, and small batch, large area and complex contour plates can also be cut freely! The laser cutting equipment has a large processing area and can process a whole plate to meet the personalized production needs of users and realize flexible processing.

4.  Suitable for various material accessories

Metal laser cutting machine supports cutting various metal plates and pipes, mainly applicable to cutting stainless steel, carbon steel, aluminum, brass and alloy metal materials. The cutting surface is flat and smooth with strong adaptability.

It can be seen that in the field of automobile manufacturing, the application of laser processing technology makes the automobile manufacturing process more accurate and easier to realize automation, flexibility and intelligence; More importantly, it can improve the safety and quality of cars, ensure clean production, and reduce losses, pollution and costs so as to ultimately benefit our consumers.

About HGTECH: HGTECH is the pioneer and leader of laser industrial application in China, and the authoritative provider of global laser processing solutions. We have comprehensively arranged laser intelligent equipment, measurement and automation production lines, and smart factory construction to provide overall solutions for intelligent manufacturing.