Cnc machine codes list pdf. To avoid it m74 and m75 functions are used. Other codes such as f s d and t are used for machine functions such as feed speed cutter diameter offset tool number etc. G code is a special programming language that is interpreted by computer numerical control cnc machines to create motion and other tasks.
1 a part program is written using g and m codes. The edges of processed material become round due to the effect of characteristics of ac servo motor. These are the common g codes for cnc lathes and turning.
The basics however are much simpler than it first appears and for the most part follows an industry adopted standard. Ebook fundamentals of cnc machining titans of cnc. It is favorable for m code to programe in a command paragraph independently.
G code and m code reference list for turning. Lathe g43 tool length compensation. It is a language that can be quite complex at times and can vary from machine to machine.
The diagram on page 8 shows the main stages involved in producing a component on a cnc system. The most common codes used when programming cnc ma chines tools are g codes preparatory functions and m codes miscellaneous functions. Mill g44 tool length compensation cancel.
Lathe g52 local coordinate system setting. M code should not be programmed in the command paragraph containing s code or t code. Cnc computer numerical control is the general term used for a system which controls the functions of a machine tool using coded instructions processed by a computer.
Mill and lathe g53 machine coordinate system setting. Basic codes for cnc part programming functions of most common g and m codes g code function m code function g00 rapid linear motion m00 program stop g01 linear motion at preset feedrate f m02 end program g02 circular feed motion cw m03 spindle on cw g03 circular feed motion ccw m04 spindle on ccw. Mill sometimes g49 g50 set coordinate system and maximum rpm.
Common g codes and m codes for cnc machine controls.