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The development of the automobile industry depends not only on the development of the machine tool industry but also on the technological progress of the machine tool industry. As an "engine machine", the machine tool is an important equipment for automobile production, which accounts for about two-thirds of the total investment in fixed assets of the automobile factory, which directly affects the manufacturing cost of the automobile. The boom in the processing of automotive parts and components has given birth to the theme of machine tool consumption. According to the analysis, the demand for machine tools in the automotive industry already accounts for 40% of the total consumption in the machine tool industry.
It is understood that the current consumption of machine tools in the automotive industry is mainly divided into two levels: First, the four lines used for vehicle production, namely stamping, welding, painting and assembly lines; second, including the engine, transmission, steering system, Processing of automotive parts including brake systems, transmission systems, and suspension systems. Only the press line needs the machine tool in the four lines of vehicle production. The focus of machine tool consumption is on the second level, that is, auto parts processing that accounts for about 70% of the total vehicle equipment value. Some experts have calculated that the demand for machine tools for automotive parts processing is more than ten times greater than that for vehicle manufacturers.
As the core functional component of the car, engine processing equipment is one of the most important equipment for automobile production. With the acceleration of new models of vehicle companies, the requirements for flexibility of engine production lines are getting higher and higher. Usually, an engine production line needs to be able to meet at least three models. At the same time, the lightweight trend in the development of automobiles has changed the requirements for the engine block and cylinder head materials from cast iron to aluminum alloy, which has raised new and higher requirements for engine processing machines.
The main components that make up the engine are the cylinder block, cylinder head, crankshaft, camshaft, connecting rod and so on. The machine tools needed to process these parts are mostly high-efficiency, high-performance, high-reliability CNC machine tools or special CNC machine tools. Among them, cylinder and cylinder head processing flexible production lines are mostly composed of horizontal machining centers; crankshaft processing equipment is mainly car pulling machine tools, CNC crankshaft milling or milling machine, CNC crankshaft grinder, crankshaft polishing machine, etc.; camshaft processing equipment is mainly Camshaft CNC lathes, camshaft grinders, etc.; and connecting rod processing equipment are mostly dedicated equipment, such as double-face grinders.
With the ever-increasing competition in the market, customers are placing more stringent demands on automotive suppliers' products, technologies, services, and products, and are paying more attention to the safety and performance of automobiles. With the implementation of national energy-saving and emission-reduction measures, the fuel consumption and pollution level of automobiles are also receiving much attention. Labor costs in China are also rising. These factors have led to an unprecedented increase in the pressure on auto parts companies, and put forward higher requirements on the reliability, production efficiency, accuracy, and cost-effectiveness of parts and components processing. The dramatic increase in vehicle production capacity will inevitably require a significant increase in the production capacity of auto parts. In the face of increasing China’s labor costs, auto parts manufacturers are required to use more efficient, more complex, and highly automated machine tools. Solve the contradiction between manufacturing costs and labor costs.
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