四、国外单工位及多工位组合机床的技术发展现状组合机床在最近5～10年间的发展趋势,主要有两个方面:(1)由单工位组合机床向多工位组合机床及自动线发展;(2)由适合于大批大量生产向适合于中小批轮番生产发展。同时要求保证高效率,高加工精度和有较大的通用性。不管是对过去的传统型式机床——单工位组合机床、多工位组合机床或自动线的改进,还是新出现的机床品种 Fourth, the foreign single-station and multi-station combination of machine tool technology development status of the combination of machine tools in the recent 5 to 10 years of development trends, there are two main aspects: (1) from a single station combination machine tool to multi-station machine tools and Automatic line development; (2) from suitable for a large number of large-scale production to adapt to small and medium batch production development. At the same time to ensure high efficiency, high precision and greater versatility. Whether it is the improvement of the traditional type machine tools in the past - single-station combination machine, multi-station combination machine or automatic line, or the emergence of new varieties of machine tools