This paper discusses both economic and social benefits resulted from traditional machine tool retrofit with CNC system and researching contents and key technologies for the retrofit.
阐述了普通机床数控化改造的经济效益和社会效益，介绍了数控化改造的研究内容和关键技术。
ABSTRACT the specifications and the principle and construction of high speed al plate blanking machine and its cutting tool are introduced and the technical and economic analysis are made.
[摘要]介绍了厚铝板高速下料机的主要技术规格、工作原理、结构特点及切削工具，并对其进行了技术经济分析。
The combined machine tool can make machining quality and productivity improved substantially, and so give forth good social and economic benefit.
通过制定切实可行的、合理的工艺方案，设计制造了四轴数控钻孔组合机床，加工质量和生产效率得到大幅度提高，经济和社会效益显著。
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