What are the general contents of CNC machining process
What are the general contents of CNC machining process
CNC programming is one of the main contents in the preparation stage of CNC machining, which usually includes analyzing the part drawing and determining the machining process; Calculate the tool path and obtain the tool position data; Compile CNC machining program; Making control media; Calibration procedure and first piece trial cutting.
Manual programming means that each stage of programming is completed manually. Using general calculation tools and various trigonometric function calculation methods, the tool path is calculated manually and the instructions are compiled.
This method is relatively simple, easy to master and adaptable. It is used for non die machined parts.
advantage
It is mainly used for point-to-point machining (such as drilling and reaming) or machining of parts with simple geometry (such as plane and square groove). It has small amount of calculation, limited number of program segments, intuitive programming and easy realization.
shortcoming
For the parts with free-form surface and complex cavity, the calculation of tool path data is quite tedious, the workload is heavy, it is very easy to make mistakes, and it is difficult to calibrate, and some of them can not be completed at all.