Want to Know the all G & M Codes of the CNC Lathe Turning Machine? In this article, I will tell you the All G-Code and M-Code Command for Lathe Machine. if you have worked on a CNC machine or are Working on it you definitely know how important these codes are.
What is G-Code?
G-Code stands for “Geometric Code”. It is a programming language for CNC (Computer Numerical Control) machines. which tells the machine how to perform a task, where to move, how fast to move, and which path to follow.
The cutting tool is driven by these G-code and M-code Commands in a CNC lathe machine.
What is M-Code?
The M-code is a set of auxiliary commands which is used to control all the machine’s non-geometric actions. People refer to it as a miscellaneous codes command as it is used to control the non-cutting actions such as stoping the machine, folding the machine with coolant, and shutting it after the temperature drop.
Difference Between G-Code and M-Code?
there are lots of differences between G-Code and M-Code in CNC Machine Programming.
| G-Code | M-Code |
|---|---|
| G Code differs from lots of Machines | M Code is the same in All the CNC Machines. |
| G codes direct the machine’s motion and function | M codes direct the operations outside movements. |
| G code activates the CNC machine while | M code activates the machine’s programmable logic controller. |
Important G Code Lists CNC Programming:
There are lots of Important G codes. This section will illustrate different examples of basic G and their meaning.
| G Code | Commands |
|---|---|
| G00 | Rapid Position (6000 RPM) |
| G01 | Linear Interpolation |
| G02 | Circular Interpolation Clockwise |
| G03 | Circular Interpolation Anti-Clockwise |
| G04 | Dowel |
| G20 | Inch Input in Fanuc |
| G21 | Matric Input in Fanuc |
| G28 | Reference or Home position in Fanuc |
| G32 | Thread Cutting in Siemens |
| G33 | Manual Thread Cutting in Fanuc |
| G40 | Tool nose Composition Left |
| G42 | Tool nose Composition Right |
| G50 | Maximum Spindle Speed |
| G70 | Finished Turning canned cycle in Fanuc |
| G71 | Rough Turning canned cycle in Fanuc |
| G72 | Rough Cycle facing in Fanuc |
| G74 | Peck Drilling Cycle in Fanuc |
| G90 | Absolute Programming |
| G91 | Incremental Programming |
| G92 | Thread and Rough Turning cycle in Fanuc |
| G94 | Facing cycle |
| G96 | Constant surface speed Control ON |
| G97 | Constant surface speed Control OFF |
| G99 | Feed per Revolution |
These are some of the important G-Codes which are used in CNC Programming.
Download important G-Codes for CNC PRogramming in PDF
Important M Code Lists CNC Programming:
In addition to the G-code, there are also M-code commands which are used when generating a real full-fledged G-code program. Here are few common M-code commands:
| M Code | Commands |
|---|---|
| M00 | Program Stop |
| M01 | Optional Stop |
| M02 | End of Program |
| M03 | Spindle Rotation Clockwise |
| M04 | Spindle Rotation Anti-Clockwise |
| M05 | Spindle Stop |
| M07 | Coolant ON |
| M09 | Coolant OFF |
| M10 | Chuck Clamp |
| M11 | Chuck Unclamp |
| M16 | Chuck Clamp-on ID |
| M18 | Chuck Clamp-on OD |
| M19 | Spindle Operational Lock |
| M20 | Spindle Operational Cancel |
| M30 | End of Program then repeat the program |
| M46 | Door Open |
| M47 | Door Closed |
These are some of the important M-Codes which are used in CNC Programming.
Download important M-Codes for CNC PRogramming in PDF
Using CNC machines is one of the most important processes in CNC machining. However, these machines cannot function without G and M codes which instruct them on what to do.
Understanding how to generate these codes is vital to the CNC machining process and successful parts production. Mastery of these codes gives you a head start in your CNC programming career.
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