NC program code NC程序代号
On the basis of comparison between STEP-NC Program and G/M code, the structure, characters and application of STEP-NC in CNC System are analyzed in details.
在对STEP-NC与G/M代码进行比较的基础上，详细地阐述了STEP-NC程序结构、特征以及其在CNC系统中应用和地位。
The procession code program of nc punch press is the key to nc-machining.
数控冲床的加工代码程序，是数控加工的关键所在。
G code index this part of NC program, and report to the programming of the calculation method, where the part process analysis is the focus of this and difficulty.
用G代码编制该零件的数控加工程序，并附以编程尺寸的计算方法，其中零件工艺规程的分析是此次论文的重点和难点。
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