G code Programming for Beginners
Learning G code programming is not that difficult.
Read and learn about a G code.
Understand how that G code work.
Then make a simple G code example drawing.
Make program for that example.
Run the program on your cnc machine (Safety first, keep a professional around).
Or you can simply run a cnc program Simulation (but this always doesn’t substitute the actual cnc machining process.)
The last thing is the most crucial which is Just practice practice and practice.
This is a very simple G code example for beginner level cnc programmers / cnc machinists.
This G code program example don’t use Tool radius compensation G40/G41/G42 G code.
Simple G Code Example Mill
O1000 T1 M6 (Linear / Feed - Absolute) G0 G90 G40 G21 G17 G94 G80 G54 X-75 Y-75 S500 M3 (Position 6) G43 Z100 H1 Z5 G1 Z-20 F100 X-40 (Position 1) Y40 M8 (Position 2) X40 (Position 3) Y-40 (Position 4) X-75 (Position 5) Y-75 (Position 6) G0 Z100 M30