关键词: 变型设计, 数控编程, 数控程序主模板

Abstract: To improve the efficiency of Numerical Control (NC) programming for variant parts, through analysis of characteristics of variant parts, a rapid programming method based on the master NC program template of the master part model was proposed. The corresponding NC programming system was also developed. Firstly, the manufacturing processes of the master part model were analyzed to determine the machining features of the part. Then, the geometrical data of the features were extracted from the master part model. With the integration of the geometrical data and the process data, the master NC program template was constructed for each master part. When a new variant part was derived from the master part model, the corresponding geometrical data in the template would also be updated automatically, and based on which, the NC program of variant parts was generated with the application of the developed NC programming system. Finally, an example was applied to prove the feasibility and efficiency of the proposed method and the developed system.

Key words: variant design, numerical control programming, master numerical control program template