Huang Jianwen: Application of CNC Machine Tools in Automobile Manufacturing

The development of the automotive industry relies not only on the technological advancement of the machine tool industry, but also on the development of the machine tool industry. Increasingly updated production models and workpiece materials have had a huge impact on equipment suppliers. In recent years, automobile manufacturing equipment has undergone great changes with the evolution of automobile production methods.

Although the use of CNC machine tools in China has entered a popular period, and the use of CNC machine tools is now being developed from simple CNC to full-featured and high-end. However, from a national perspective, there is still a phenomenon of uneven development.

How to use advanced manufacturing mode to improve the design, manufacture and management level of products, gradually narrow the gap with international advanced enterprises, and improve the competitiveness of Chinese automobile manufacturing enterprises, becoming a major front in China's automobile manufacturing industry. Question. However, the lack of talents and the obsolescence of ideas restrict the application of advanced numerical control technology in the field of automobile manufacturing.

Taking the concept update as the guide

As technology advances and product life cycles shrink, so does the demand for product performance and personalization. People need products with better performance, lower prices and individuality. Therefore, whoever can adapt to this change in demand will be able to take the initiative in the fierce market competition, and this demand will inevitably bring processing methods and The change in management style. However, when the number of CNC machine tools increases, how to manage it becomes a problem that hinders the further improvement of production efficiency.

To improve production efficiency, we must first change our mindset, and we must not follow the old rules and not take the extremes. The problems existing in domestic enterprises are very prominent: sticking to the previous production mode, investing a lot of money to build a rigid production line, unable to adapt to the ever-changing market demand; using low-end equipment with poor reliability, product quality can not be guaranteed, only In the second and third-tier markets with low profits, a vicious circle is formed; in the procurement of equipment, there is no hesitation in the pursuit of the best, and the production cost is increased unnecessarily.

At present, the development of numerical control technology is very mature, and the unitized flexible production line has been widely used in the automobile manufacturing industry. In the face of fierce market competition, enterprises should choose the strong manufacturers with advanced design, reliable quality, good pre-sale, sale, after-sales service and provide complete solutions according to practical principles; according to market demand, equipment A flexible production unit that can be expanded in production scale.

Application of advanced manufacturing technology

The development of the automotive industry relies not only on the technological advancement of the machine tool industry, but also on the development of the machine tool industry. In recent years, automobile equipment has undergone great changes with the evolution of automobile production methods, and can be summarized into the following six aspects. Here, we will introduce in detail the products of our company.

1. High-speed technology

Reduce the processing time, improve efficiency, save costs, the most direct performance is the increase in machine speed. Through the use of a 64-bit CPU with high-speed processing capability, high-performance servo motor, electric spindle, double-sided balancing technology of the spindle, forced cooling of the spindle and lead screw, and a dual-servo motor controlled magazine robot and advanced spindle Balance technology, etc., let us achieve the speed of the machine.

2. High precision, high precision retention and high reliability

For mass production methods such as automobiles, high-precision machine tools with high engineering capability index and high precision are required to produce high-precision parts. High-precision parts on the one hand improve the quality of the product and on the other hand increase the efficiency of the assembly. Our company has simple structure, no electric spindle technology with intermediate transmission mechanism, low running vibration, high processing smoothness and good roundness characteristics. The temperature sensor distributed on the main parts of the machine tool monitors the temperature changes of various parts of the machine tool at any time, and compensates for this change, so as to achieve high precision and precision retention. The knives for servo indexing and sprocket positioning ensure the knives. The accuracy of the tower; all key purchased parts are all internationally renowned brands; the self-made parts are all manufactured by a composite processing machine with automatic loading and unloading device and FMS; the whole manufacturing process is verified by digital inspection.

3, composite processing technology

Composite processing effectively realizes the integration of processes, shortens logistics lines and reduces waiting time, and improves product quality. Our VTC series machining center with full-motion column structure is easy to modify and configure various auxiliary devices. The CNC lathe can be equipped with a power tool holder, a second spindle, a Y-axis and a smart tailstock that can control both position and thrust.

4, automation technology

The application of automation technology can effectively improve production efficiency, meet the requirements of mass production, and reduce the impact of human factors. For example, our vertical machining center machines are very easy to assemble, and CNC lathes have the flexibility to combine robots and machine tools into flexible machining units.

5, network, information technology

Our company's machine tools all use the MAZATROLFUSION 640 CNC system that integrates PC and CNC. It not only lays a foundation for the application of network technology and information technology, but also has many intelligent functions compared with other systems, such as: MAZATROL man-machine dialogue The programming method, the built-in expert system can automatically give the cutting parameters, which greatly shortens the programming time and reduces the skill requirements of the programming operators. In addition, the system has many management functions, such as fixture/tool ​​database and operation. History, machine load monitoring, machining time analysis, automatic diagnostic navigation and machine maintenance.

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