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前言在最近几十年中,大、中型发动机零件的生产是制造工程师极感兴趣的研究领域。不但在目前,就是在将来很长一段时间内仍将如此。不断提出新的设想和寻求解决问题的新办法的动力,既来自产品,也来自目前机械制造业为用户所提供的可能性。在大型设备方面,热力发动机的发展还远未结束。尽管有设计和制造方面的密切协调,但个别零件的变化和改进还会引起整个加工领域的配合问题。从刀具和机床的情况来看也是一样。当机床特别是数控(包括数控,计算机数控,直接数控,程序控制)机床的设计接近最佳方案时,
Preface In recent decades, the production of large and medium-sized engine parts has been of great interest to manufacturing engineers. Not only for now, but for a long time in the future. The motivation to constantly come up with new ideas and to find new ways to solve the problem stems from both the product and the possibilities that the machinery manufacturing industry now offers users. In large-scale equipment, the development of thermal engines is far from over. Despite the close coordination between design and manufacturing, changes and improvements in individual parts can cause problems throughout the processing area. The same is true for tools and machine tools. When the machine tool, especially the numerical control (including numerical control, computer numerical control, direct numerical control, program control) machine tool design approaches the best plan,