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Real-Time 3D Graphics Simulation for Computer Numerical Control
| G91 INCREMENTAL POSITIONING | |
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N_ G91 |
| The G91 command defaults the system to accept all coordinates as incremental, or relative, coordinates. This command is found at the beginning of some programs to default the system to incremental coordinates. It is possible to switch between incremental and absolute coordinates at any time within a program (see the G90 command). | |
| Example G91 | |
| % | (PROGRAM START FLAG) |
| :1091 | |
| N5 G90 G20 | |
| N10 T0101 | |
| N15 M03 | |
| N25 G00 X1.75 | |
| N30 Z0.1 | |
| N35 G91 G01 Z-1.85 F0.015 | |
| N40 G00 X0.25 Z1.85 | |
| N45 X-0.5 | |
| N50 G01 Z-1.6 | |
| N55 G00 X0.25 Z1.6 | |
| N60 X-0.5 | |
| N65 G01 Z-1.35 | |
| N70 G00 X0.25 Z1.35 | |
| N75 X-0.5 | |
| N80 G01 Z-1.1 | |
| N85 X1 Z-1 | |
| N90 G90 G00 X4 Z3 M09 | |
| N95 T0100 M05 | |
| N100 M02 |