Printed from Kezuriba (kezuriba.net/en/nc/g82/)

G82

Machining centerModal, group 09

Drilling cycle (counter boring, dwell at hole bottom)

⌨Format and notes

G82 X_ Y_ Z_ R_ P_ (dwell) F_ K_

G81 plus a dwell at the hole bottom. Gives a clean bottom face when spot facing or chamfering
The unit of P differs by machine (the Siemens ISO example uses P1000 with no decimal point; NIST and Haas use seconds)

Diagram: G82 motion (side view)

G81 motion plus a P-second dwell at the hole bottom. Cleans up the bottom of counterbores and chamfers. Figure shows G98 (return to initial point).

The meaning shown agrees in at least two sources (agreement confirmed). Explanations are written in our own words.

Siemens AG — SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D Programming Manual ISO Milling, 04.2007 Edition (6FC5398-7BP10-0BA0) cache.industry.siemens.com
Haas Automation, Inc. — Mill Operator's Manual – 17 Mill G-Codes (online version) haascnc.com
National Institute of Standards and Technology (NIST), USA — The NIST RS274NGC Interpreter – Version 3 (NISTIR 6556, 2000) nvlpubs.nist.gov