![\"G-code](\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2024\/07\/497427791433926.jpg\")
<\/figure>\n\n\n\nCommon G-codes in CNC Machines<\/h2>\n\n\n\n
The following list covers a wide range of G-code commands used in CNC programming. Keep in mind that the availability and behavior of commands can vary between different CNC machines and controllers. Always refer to the machine’s documentation for precise details and compatibility.<\/p>\n\n\n\n
Motion Commands<\/h3>\n\n\n\n
G00: Rapid Positioning<\/p>\n\n\n\n
G01: Linear Interpolation<\/p>\n\n\n\n
G02: Circular Interpolation (Clockwise)<\/p>\n\n\n\n
G03: Circular Interpolation (Counterclockwise)<\/p>\n\n\n\n
G04: Dwell<\/p>\n\n\n\n
G10: Coordinate System Data Input<\/p>\n\n\n\n
G17: Select XY Plane<\/p>\n\n\n\n
G18: Select XZ Plane<\/p>\n\n\n\n
G19: Select YZ Plane<\/p>\n\n\n\n
G20: Inch Units<\/p>\n\n\n\n
G21: Metric Units<\/p>\n\n\n\n
G28: Return to Home<\/p>\n\n\n\n
G30: Return to Secondary Home<\/p>\n\n\n\n
G53: Move in Machine Coordinates<\/p>\n\n\n\n
G54-G59: Work Offsets<\/p>\n\n\n\n
Control Commands<\/h3>\n\n\n\n
M00: Program Stop<\/p>\n\n\n\n
M01: Optional Stop<\/p>\n\n\n\n
M02: Program End<\/p>\n\n\n\n
M03: Spindle On (Clockwise)<\/p>\n\n\n\n
M04: Spindle On (Counterclockwise)<\/p>\n\n\n\n
M05: Spindle Stop<\/p>\n\n\n\n
M06: Tool Change<\/p>\n\n\n\n
M08: Coolant On<\/p>\n\n\n\n
M09: Coolant Off<\/p>\n\n\n\n
M30: Program End and Rewind<\/p>\n\n\n\n
Unit and Measurement Commands<\/h3>\n\n\n\n
G90: Absolute Programming<\/p>\n\n\n\n
G91: Incremental Programming<\/p>\n\n\n\n
G92: Set Position<\/p>\n\n\n\n
G92.1: Cancel G92 Offset<\/p>\n\n\n\n
G92.2: Cancel G92 Offset and Set Current Position<\/p>\n\n\n\n
Speed and Feed Commands<\/h3>\n\n\n\n
G93: Inverse Time Feed Mode<\/p>\n\n\n\n
G94: Feed per Minute Mode<\/p>\n\n\n\n
G95: Feed per Revolution Mode<\/p>\n\n\n\n
S: Spindle Speed<\/p>\n\n\n\n
F: Feed Rate<\/p>\n\n\n\n
Cutter Compensation and Offsets<\/h3>\n\n\n\n
G40: Cutter Compensation Cancel<\/p>\n\n\n\n
G41: Cutter Compensation Left<\/p>\n\n\n\n
G42: Cutter Compensation Right<\/p>\n\n\n\n
G43: Tool Length Compensation Positive<\/p>\n\n\n\n
G44: Tool Length Compensation Negative<\/p>\n\n\n\n
G49: Tool Length Compensation Cancel<\/p>\n\n\n\n
Advanced Motion Control<\/p>\n\n\n\n
G05: High-Speed Machining<\/p>\n\n\n\n
G61: Exact Stop Mode<\/p>\n\n\n\n
G64: Continuous Path Mode<\/p>\n\n\n\n
G68: Coordinate System Rotation<\/p>\n\n\n\n
G69: Coordinate System Rotation Cancel<\/p>\n\n\n\n
G73-G89: Peck Drilling Cycles<\/p>\n\n\n\n
Customization and Flexibility<\/p>\n\n\n\n
G96: Constant Surface Speed<\/p>\n\n\n\n
G97: Spindle Speed in RPM<\/p>\n\n\n\n
G98: Return to Initial Z Level in Rigid Tapping<\/p>\n\n\n\n
G99: Return to R Plane in Rigid Tapping<\/p>\n\n\n\n
G10 L2: Coordinate System Offset Setting<\/p>\n\n\n\n
G53: Move in Machine Coordinates<\/p>\n\n\n\n
Common CNC G-code Errors and how to eliminate it<\/h2>\n\n\n\n
CNC G-code programming, while powerful and versatile, can sometimes lead to errors that affect the machining process. Understanding common G-code errors and their solutions is crucial for efficient CNC machining. Here are some typical errors.<\/p>\n\n\n\n
Syntax Errors<\/h3>\n\n\n\n
Syntax errors in G-code, such as missing spaces or incorrect command structures, have the potential to create interpretation issues for the CNC machine. To address this, a meticulous review of the G-code, checking for typographical errors and ensuring precise spacing between commands and values, is crucial. Additionally, leveraging debugging tools and simulation software aids in identifying and rectifying syntax errors proactively, minimizing the risk during the actual machining process.<\/p>\n\n\n\n
Unsupported G-code Commands<\/h3>\n\n\n\n
Using G-code commands not supported by the CNC machine can lead to unexpected behavior; therefore, it’s crucial to consult the machine’s documentation diligently, identifying supported commands and replacing any incompatible ones with alternatives to ensure a smooth and error-free integration with the CNC machine.<\/p>\n\n\n\n
Toolpath Overlaps<\/h3>\n\n\n\n
The challenge of overlapping toolpaths, with the potential for collisions and unintended cuts, poses a risk to the machining process. To mitigate this risk, it’s essential to leverage CAM software, enabling visualization and optimization of toolpaths to eradicate overlaps. Additionally, careful adjustment of tool clearances and verification of toolpath strategies are imperative steps to prevent tool collisions and ensure the production of a smooth and accurate finish.<\/p>\n\n\n\n
Incorrect Work Offsets<\/h3>\n\n\n\n
Incorrectly set work offsets pose a risk of tool misalignment, leading to inaccuracies in cuts and dimensions. To address this, a comprehensive approach involves thorough inspection and adjustment of work offsets (G54-G59) to align precisely with the desired zero points, emphasizing the critical importance of selecting the correct work offset before initiating the program for precision in machining.<\/p>","protected":false},"excerpt":{"rendered":"
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