High-speed CNC machining has pushed spindle RPM, rapid motion, and axis acceleration to extreme levels. While modern machines can exceed 20,000–60,000 RPM and rapids over 60 m/min, incorrect G-code usage—especially unsafe rapid positioning like G00 Z-100—remains one of the leading ...
Home/G-Code & M-Code Reference/Page 6
Category: G-Code & M-Code Reference
Explore the complete list of G-codes and M-codes used in CNC machining. Understand commands, syntax, and machine responses with real-world examples and explanations.
cnccode.com – Ultimate CNC Knowledge Hub | G-Code, CAD/CAM, DIY CNC Latest Articles
G-Code High RPM Optimization: Safe Spindle Speed Control, G96 vs G97, and Crash-Free High-Speed CNC Machining (2025–2030)
cnccodeHigh RPM machining is one of the most searched and misunderstood topics in CNC programming. As spindle speeds exceed 12,000, 18,000, and even 30,000 RPM in modern machines, improper G-code usage can instantly lead to tool breakage, spindle damage, or ...
G00 Z100 Rapid Move in CNC Programming: The Most Misunderstood and Risky Line in Your G-Code (2025 Expert Guide)
cnccodeG00 Z100 looks like the simplest possible G-code line, but it is actually one of the most misunderstood and risky commands in CNC programming. A single rapid move in the wrong coordinate system, with the wrong offset or at the ...
G00 Z100 Rapid Traversing: Safe Retracts, Crash Prevention and Professional CNC Programming Practices for 2025
cnccodeG00 is the standard G-code for rapid positioning and is one of the most frequently used commands in any CNC program. A line like G00 Z100 or G00 Z-100 can decide whether a machine moves safely away from the workpiece, ...
Global CNC Programmer Roadmap 2025–2030: From Beginner to Six-Figure Industry Expert
cnccodeThe global demand for CNC programmers is exploding between 2025 and 2030. Automation, EV production, aerospace, defense, medical devices, robotics, renewable energy, and semiconductor tooling all depend heavily on precision machining. At the center of that ecosystem is one role: ...
Ultimate CNC G-Code & M-Code Dictionary (2025 Edition): The Only Reference You Need as a CNC Programmer
cnccodeUltimate CNC G-Code & M-Code Dictionary (2025 Edition) This reference is designed as a long-life “evergreen” CNC code dictionary: a single page you can bookmark, share, and come back to every time you see an unfamiliar line in a program. ...
G05.1 AI High-Precision Contour Control: The Complete 2026 Guide to Ultra-Smooth CNC Motion, Real G-Code Examples, and Next-Generation Machining Accuracy
cnccodeG05.1 (also known as AI Contour Control) is one of the most powerful modern G-codes for achieving ultra-smooth motion, flawless surface finishes, and extremely high accuracy in 3-axis and 5-axis CNC machining. As of 2026, the latest Fanuc 31i-B5, Brother ...
G96 vs G97: Advanced 2026 CNC Turning Strategy Guide for Constant Surface Speed vs Fixed RPM Performance
cnccodeG96 and G97 control spindle speed behavior in CNC turning and mastering their differences is one of the biggest productivity breakthroughs for 2026 machining. G96 (Constant Surface Speed) dynamically adjusts spindle RPM based on changing diameter to maintain a constant ...
G95 Feed Per Revolution Explained: The Hidden Productivity Mode CNC Programmers Ignore
cnccodeG95 is one of the most underused performance-boosting G-codes in CNC machining. While most shops run feed per minute mode (G94), using feed per revolution mode (G95) unlocks superior tool life, more stable chip formation, and consistent surface finish—especially in ...
G28.1 / G28.2 Zero Return Diagnostics: Complete 2025 CNC Guide for Axis Homing Recovery, Servo Reference Calibration, and Overtravel Reset
cnccodeAI-driven CNC automation is transforming traditional workshops into fully connected smart factories where machines, robots, sensors, and software work together with minimal human intervention. Between 2025 and 2030, the highest-performing shops will no longer compete on hourly machine rates, but ...