Command Architecture & Functional Overview
G81 vs G82 Simple Drilling vs Counterbore Dwell is a fundamental CNC programming directive utilized across Fanuc, Siemens, Haas, and Heidenhain controllers for Standard continuous feed drilling (G81) vs bottom-dwelling counterboring (G82) for precise depth and flat-bottom spotfacing..
Syntax Structure & Execution Parameters
- Command Category: Canned Drilling Cycles (Modal Canned Cycle).
- Standard Syntax:
G81 X0 Y0 Z-20. R2. F120. / G82 Z-5. R2. P500 F80.. - Operational Function: G82 adds dwell (P) at final depth.
- Critical Safety Rule: G82 is ideal for shallow spotfacing, centering chamfers, and counterbores where bottom smoothness is critical.
- Production Integration: Tested and standardized across UCAN ROBOT's 150+ high-precision CNC machining centers for zero-collision continuous automated manufacturing.
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