In recent years, with the continuous development of the economy, the automobile industry has ushered in unprecedented opportunities, but of course, it also faces many challenges.
On the one hand, the introduction of new technology brings new development opportunities for the industry; on the other hand, the complexity of the market environment also poses a serious challenge, making the improvement of product quality and optimization of the process has become the core of the industry’s development.
Therefore, the automobile manufacturing industry must focus on processing technology. It should actively adopt and apply new technologies. Through reform and optimization, it can enhance market competitiveness. It can also accelerate the automation of manufacturing processes.
Auto parts
Automobile machinery manufacturing process
1.Gas shielded welding
In the automotive machinery manufacturing industry, gas shielded welding is a core technology.
Welding relies on the high temperature of the arc to fuse materials. A specific gas environment protects the weld area. This prevents air impurities from interfering and ensures welding quality.
Specifically, usually use carbon dioxide gas to form a protective layer, which not only improves the stability of the welding and the quality of the finished product, but also greatly improves the safety coefficient of the operation.
2.Resistance welding technology
In the automobile manufacturing process, resistance welding technology occupies an important position.
The working principle of this technology is to place the welding object between the positive and negative electrodes, the use of electric current through the resistance thermal effect to complete the welding.
The application of resistance welding technology improves the efficiency of welding and reduces the time required for welding, which is important for improving production speed and reducing costs.
Resistance welding allows precise control of welding parameters. This ensures the strength and consistency of welded parts. As a result, it enhances the overall processing level in automobile manufacturing.
3.Laser cutting technology
Laser cutting technology is a high-precision laser beam on the surface of the material for fine scanning and cutting, in order to ensure the precision of the cutting gap at the same time, but also to control the heat-affected area in the smallest range.
These features make laser cutting excellent in improving work efficiency and ensuring cutting quality. In practice, laser cutting technology has another significant advantage – cost reduction.
Due to the simplified laser cutting process, material and energy consumption is reduced. This positively impacts the cost structure of automotive manufacturing. It not only lowers production costs but also improves the economic efficiency of enterprises.
4.Modular assembly production
In the automotive manufacturing industry, the modular assembly production model has become a trend. This mode uses pre-made modules for vehicle assembly and improves the traditional assembly process.
Modular assembly reduces the number of raw materials in the production process, shortens the operating time of the assembly line, and reduces the labor intensity of workers.
In addition, the implementation of modular assembly production, but also reduces the production cost, for enterprises to save resources, improve production efficiency, strengthen the market competitiveness of enterprises.
Precision processing technology
1.Mold forming technology
Mold forming technology is according to the design drawings and material specifications, customized special parts mold, for the subsequent processing process to lay a solid foundation.
This technology can achieve micron-level mold precision, solve the quality defects on the surface of the product, and ensure that the size and shape of the product meets the design standards.
In automotive manufacturing, the precision of molding technology is directly related to the performance of the final product.
2.Precision cutting technology
Precision cutting technology focuses on improving product machining accuracy. It manages workpiece, machine tool, and cutting tool precisely. This enables accurate control of the cutting process, producing higher precision products.
This technology not only improves the cutting accuracy, but also ensures that the cutting results fully comply with the design requirements, which is crucial for improving the accuracy of automobile parts.
3.Ultra-precision grinding technology
In the face of the limitations of traditional grinding technology, ultra-precision grinding technology came into being, becoming a major breakthrough in the field of precision machining.
This technology can realize the atomic level of polishing and grinding, which greatly improves the processing accuracy in the process of automobile manufacturing.
The application of ultra-precision grinding technology can improve the surface finish of products, ensure dimensional accuracy, and provide technical support for the innovative development of automobile manufacturing industry.
4.Microfabrication technology
Microfabrication technology focuses on the precision manufacturing of micro components, which is especially important in the field of automobile manufacturing. This technology improves the processing efficiency of many micro components, and at the same time ensures that the performance of each component meets the standard.
In the automotive industry, the application of microfabrication technology not only improves the overall quality of products, but also provides more possibilities for innovative design and functional integration.
5.Nanotechnology
Nanotechnology, as a discipline integrating modern physics theory and advanced engineering technology, has shown unique advantages in the field of automotive precision machining.
It can accurately engrave nanometer fine lines on materials such as silicon wafers, and this breakthrough promotes the miniaturization and high performance of automotive parts.
The application of nanotechnology can not only improve the processing accuracy, but also promote the development of the automotive industry.
Precision processing technology in automobile body manufacturing
1.Laser welding
Laser welding technology is an innovative process in automobile manufacturing. It uses a high-energy laser beam for welding. Different strengths, thicknesses, and materials of metal parts can be joined precisely. The welded parts form an integrated plate. These plates can then be used directly for stamping molding.
The introduction of this technology has significantly optimized the automotive production process, reducing the number of cumbersome assembly steps and improving the manufacturing precision of body parts.
At the same time, the car’s overall safety performance and structural rigidity have improved. This not only raises safety standards but also protects passengers’ lives.
2.Three-dimensional laser cutting technology
Compared with traditional plate cutting methods, laser cutting technology has the following advantages.
Excellent cutting precision, narrow kerf, high surface finish and small heat-affected area, which can fully meet the needs of high-precision cutting process.
In addition, the laser cutting speed is fast, which improves the overall efficiency of the cutting operation.
However, the application of laser cutting differs in the scale of vehicle production.
Mass production of models often does not rely on 3D laser cutting. For small batches or custom models, like new model development, tooling costs are high. This increases manufacturing costs to some extent.
At this point, the advantages of 3D laser cutting technology become apparent. It simplifies the processing process and shortens work duration. It also reduces mold costs effectively, especially in fine processing of body parts.
3.Clean Manufacturing Technology
ePD technology enables surface metallization of plastic parts in automotive parts processing, providing colorful options and enhancing corrosion resistance.
The technology simplifies laser engraving for precision manufacturing and provides radar information collection capabilities, replacing traditional processes.
In addition, the integration of clean manufacturing technology into the automotive process reduces environmental pollution and energy consumption, and promotes the realization of a green production model.
This technology not only reduces damage to parts and material loss, but also improves the efficiency of resource utilization. By reforming the whole manufacturing equipment and process, it further reduces pollutant emissions.
In the process of automobile machinery manufacturing, electrophoresis drying and other processes are often accompanied by a certain degree of environmental pollution.
In order to mitigate this effect, optimizing the rinsing process, strengthening wastewater treatment, and using zinc phosphating agent to effectively treat the waste residue are the key measures to reduce pollution.
4.Green design research
China’s auto parts manufacturing industry in the field of green design, although a late start, but the rapid pace of development, with particular emphasis on the protection of the environment and the efficient use of resources.
The green design concept focuses on energy saving and emission reduction. It aims to promote energy conservation and material recycling. For example, reducing energy use and encouraging waste recycling help protect the environment.
In the design process, priority should be given to environmentally friendly raw materials. This helps reduce environmental pollution. At the same time, part performance must be considered. Waste management during manufacturing should also be addressed.
In addition, cost control and environmental protection must be considered. Focus on improving resource recycling and maintaining product detachability. This ensures the green sustainability of the design program.
Conclusion
Since the reform and opening up, the development trend of global economic integration has promoted the technological change of the automobile industry.
To promote the development of the automobile manufacturing industry, cutting-edge technologies must be introduced. Cleaner production technology helps reduce pollution and waste emissions. It also improves production efficiency and product quality. This enhances the overall processing level. It injects new vitality into the machinery manufacturing industry’s dynamic development.