G70 is the dedicated finishing cycle for Fanuc and Fanuc-compatible CNC lathes. It takes a previously roughed profile—usually generated by G71 (rough turning), G72 (facing), or G75 (groove pecking)—and executes a clean, precise finishing pass using the same profile definition. ...
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G75 Groove Pecking Cycle: Advanced 2025 CNC Turning Guide for OD/ID Grooving and Automatic Chip Breaking
cnccodeG75 is a specialized CNC turning cycle designed for grooving operations that require controlled chip breaking. It is used for both OD and ID grooves and is especially effective in difficult materials like stainless steel, titanium, Inconel, and high-temp alloys ...
G47 High-Precision Engraving Cycle: Complete 2025 Guide for Text, Serial Numbers, Patterns, and Automated Marking
cnccodeG47 is one of the most useful engraving cycles on Haas and some Fanuc-based CNC machines. It allows the machine to engrave text, serial numbers, date codes, part IDs, lot numbers, and alphanumeric strings directly onto the workpiece without requiring ...
G84 Rigid Tapping Cycle: Complete 2025 Professional CNC Milling Guide for Accurate and High-Speed Threading
cnccodeG84 is the standard CNC milling tapping cycle used for rigid tapping, allowing the spindle and feed motion to synchronize perfectly so that a tap can cut threads without floating holders or compression/tension devices. Modern machines use spindle encoders to ...
G74 Peck Drilling / Peck Turning Cycle: Advanced 2025 Guide for Break-Chip OD/ID Turning and Deep Hole Chip Control
cnccodeG74 is a powerful CNC turning cycle used for pecking operations on Fanuc and Fanuc-compatible lathes. It is designed to break chips, reduce cutting pressure, and clear material during deep-hole drilling or OD/ID peck turning. Unlike standard G01 linear turning, ...
G72 Facing Cycle: Complete 2025 CNC Turning Guide for Automatic Facing, Shoulder Cutting, and Stock Cleanup
cnccodeG72 is a dedicated CNC turning cycle used for automatic facing operations on Fanuc and Fanuc-compatible lathes. It allows the machine to rough and finish a face by stepping in at controlled depths, cutting from the outer diameter toward the ...
G71 Rough Turning Cycle: Complete 2025 Professional Guide to CNC Lathe Roughing for External and Internal Profiles
cnccodeG71 is the most widely used rough turning cycle on Fanuc-controlled CNC lathes. It automates the entire rough-cutting process by repeatedly cutting along a defined profile until the part reaches a predetermined near-net shape. G71 handles stock removal, depth control, ...
G76 Multi-Pass Threading Cycle: Advanced 2025 CNC Turning Guide for Precision Internal and External Threads
cnccodeG76 is one of the most advanced and widely used CNC turning cycles for cutting precision threads on Fanuc and Fanuc-compatible controls. Unlike simple threading cycles, G76 performs multi-pass threading with intelligent depth reduction, finishing control, chamfering, pullout, and automatic ...
G131 Fanuc High-Speed Mode: Complete 2025 Guide to Advanced HSM Performance, Accuracy, and Real Machining Examples
cnccodeG131 is a powerful Fanuc high-speed machining command used on many modern machines, especially those with advanced servo systems and high-speed cutting options. It modifies the controller’s internal motion algorithms, acceleration curves, interpolation logic, and smoothing strategy to deliver dramatically ...
G12 G13 Circular Pocket Milling Cycle: Advanced 2025 Guide for High-Precision CNC Pocket Machining
cnccodeG12 and G13 are powerful circular pocket milling cycles commonly used on Haas CNC machines to create perfectly round pockets quickly and efficiently without needing a full CAM-generated toolpath. G12 performs a clockwise pocketing motion, while G13 performs the same ...