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数控加工程序编制
根据被加工零件的图样及其技术要求、工艺要求等切削加工的必要信息,将数控加工中零件的工艺过程、工艺参数(进给速度F、主轴转速S、刀具T)、刀具位移量与方向以及辅助动作(换刀、冷却、夹紧等),按运动顺序和所用数控机床规定的指令代码及程序格式编写成数控加工程序单,并记录在控制介质上(如穿孔带、磁带、磁盘等),然后输入给数控装置,从而指挥数控机床进行加工的整个过程。简称数控编程。
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National Emblem of Australia
National Emergencies Act
national emergency industry demonstration base
national emergency management information system
national emergency management information system, NEMIS
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National Endowment for the Arts
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National Engineering Lab. for Chemical Utilization of Biomass
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National Engineering University of Peru
National Entrance Test of English for MA/MS Candidates
National Environmental Policy Act of 1969
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National Environmental Protection "12th Five-Year" Program Environment and Health Work Plan
National Environmental Protection "12th Five-Year" Science and Technology Development Planning
national environmental protection model city system
national environmental protection pilot city
national environmental standards
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