Welcome to the CNC Programming Patterns Atlas. Most CNC programs are built from reusable machining patterns. Understanding these patterns allows programmers to create faster, cleaner, and more efficient programs. This atlas documents the most common CNC machining patterns used in ...
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G12 / G13 Circular Pocket Milling: Complete 2025 CNC Guide for High-Precision Circular Interpolation Pockets
cnccodeG12 and G13 are specialized CNC milling commands used to mill perfect circular pockets without needing CAM-generated spiral toolpaths. G12 cuts clockwise pockets, while G13 cuts counterclockwise pockets. These commands are extremely efficient for creating precise bores, circular recesses, O-ring ...