In a “CNC” (Computerized Numerical Control) machine, the tool is controlled by a computer and is programmed with a machine code system that enables it to be operated with minimal supervision and with a great deal of repeatability. The same principles used in operating a manual machine are used in programming a CNC machine. MANUAL PART PROGRAMMING TyPES OF MANUAL PROGRAMMING: POINT TO POINT, CONTOURING, 3-D. (3-D programming, only with the help of a computer). WRITE THE PART PROGRAM IN A STANDARD FORMAT SPECIAL MANUSCRIPT AND FLEXO WRITER – TAPE, LISTING etc. (Nowadays, these are is not required) MOSTLY POINT TO POINT programming – SIMPLE. This Chapter provides some general geometric and technologi cal fundamentals for th e programming of milling and turning procedures for CNC beginners. The geometric fundamentals presented here refer mainly to the graphical SINUMERIK contour calculator. The screenshots used in this Manual are intended to support the theory. Worked with the sub-programming functions of your control, you have scratched the surface of what can be done with Custom Macro. All CNC controls have sub-programming functions to allow commands within the CNC program to be repeated. This minimizes the number of commands that must be given in the CNC program. Cnc programming: basics & tutorial textbook: michael j peterson. Cnc programming for beginners a simple cnc programming. pdfstudent cnc guide. Computer numerical control programming basics. Fundamentals of cnc machining. G and m programming for cnc milling machines. What is a cnc machine? Cnc: computerised numerical control. Cnc programming g. G-Code is the language used to control CNC machines. It's one type of CNC programming that CNC programmers use, the other type being CAM programming. Your machine's CNC controller probably executes g-code, although there are other possibilities-Heidenhain, Mazak, and others have proprietary formats.