Part program
The part program is a sequence of instructions, which describe the work, which has to be done on a part, in the form required by a computer under the control of computer numerical control (CNC) software. It is the task of preparing a program sheet from a drawing sheet. All data is fed into the CNC system using a standardized format. Programming is where all the machining data are compiled and where the data are translated into a language which can be understood by the control system of the machine tool.
The machining data is as follows :
- Machining sequence classification of process, tool start up point, cutting depth, tool path, etc.
- Cutting conditions, spindle speed, feed rate, coolant, etc.
- Selection of cutting tools.
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References
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