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汽车制造的机床.pdf

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汽车制造的机床

Chapter 13 Machine Tools for the Automotive Industry Ciro A. Rodríguez and Horacio Ahuett Abstract This chapter describes the machine tools used in the automotive indus- try. The world trends in automotive production are discussed to stress the signifi- cance of this industrial sector in the global economy. A description of the typical automotive components with machining operations is also discussed. The use of flexible machines vs dedicated machines is analysed in the context of current trends in the automotive markets. Finally, new machine tool and process technolo- gies of particular relevance to the automotive industry are described. 13.1 World Trends in Automotive Production The automotive production could be considered the motor of the industrial devel- opment of the 20th century. Current trends indicate that such a significant influ- ence will continue in the near future. This section presents the economic impact of the automotive industry and the corresponding automotive components that utilise significant amounts of machining operations. 13.1.1 The Economic Impact of the Automotive Industry The automotive industry is one of the main drivers of the world’s economy. Nearly 70 million cars, vans, trucks and buses were produced in 2006 alone. This level of output represents a global turnover of €1,900 billion, a figure that exceeds the GDP __________________________________ Ciro A. Rodríguez and Horacio Ahuett Centre for Innovation in Design and Technology, Tecnológico de Monterrey, Av. Eugenio Garza Sada #2501 Sur, Monterrey, N.L. 64849 MÉXICO {ciro.rodriguez, horacio.ahuett}@itesm.mx L. N. López de Lacalle, A. Lamikiz, Machine Tools for High Performance Machining, 421 © Springer 2009 422 Ciro A. Rodríguez and Horacio Ahuett 12 ) s 11 Commercial Vehicles t i n u 10