A very simple cnc milling program example which will show cnc machinists the use of Siemens Sinumerik milling programming concepts.
This program is written for 4-axis cnc mill, where C is used for rotary table.
But a simple cnc mill can also run this program just remove program block N15
Sinumerik Milling Program
N5 G00 G54 G64 G90 G17 X-20 Y-20 Z50 N10 S450 M03 F250 D01 (12.5 MM DIA) N15 C0 N20 Z5 N25 G01 Z0 N30 Z-5 N35 G42 X0 Y0 N40 X30 N45 Y30 N50 X0 N55 Y0 N60 G40 X-20 Y-20 N65 G00 Z50 N70 Y100 N75 M30
After the machining is complete, this finished part will look like this
Explanation of G-Code
G00 – Rapid traverse.
G54 – Zero Offset no 1.
G64 – Continuous-path mode.
G90 – Absolute dimensioning system.
G17 – X-Y plan selection.
G42 – Cutter radius compensation activation
G40 – Cutter radius compensation cancel
M03 – Cutter rotation clockwise
S – Spindle speed
F – Axis motion feed
D – Tool no