G-Code Explained in 60 Seconds — G90 Absolute vs G91 Incremental | CNC Basics

🚀 Learn G-Code in under 60 seconds

In this quick CNC basics lesson, I break down one of the most important beginner G-code concepts:
G90 = go to an exact coordinate
G91 = move a specific distance from the current position

The movement can look the same, but the code logic is completely different. If you’re learning CNC, CAM, toolpaths, or G-code, this is one of those concepts that has to click early.

🔧 KEY TOPICS
G90 vs G91 explained
Absolute vs incremental positioning
CNC coordinate logic
G-code basics for beginners
Straight-line move example using G01
Real-world analogy for CNC motion

⏱️ TIMESTAMPS
00:00 Same movement, different code
00:05 G90 — Absolute positioning
00:17 Real-world G90 example
00:26 G91 — Incremental positioning
00:37 Real-world G91 example
00:47 Why this matters
00:52 Next up — Feed Rate vs Spindle Speed

📚 SERIES
This video is part of the G-Code in 1 Minute series and the growing CAM 101 — CNC, Toolpaths & G-Code Basics content lane.

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Видео G-Code Explained in 60 Seconds — G90 Absolute vs G91 Incremental | CNC Basics канала Drip King 513