G85

Machining center, LatheModal, group 09

Boring cycle (feed in, feed out)

⌨On machining centers

G85 X_ Y_ Z_ R_ F_ K_

Diagram: G85 motion (side view)

RapidCutting feedInitial pointR pointHole bottom Z① Rapid to R point② Feed to hole bottom③ Feed to R pointR point④ Rapid to initial point
Cutting feed both in and out. A reamer or boring bar strokes the bore surface in and out. Figure shows G98 (rapid from R point to initial point).

◎On lathes: Face boring (drilling) cycle (live tooling)

The same number means something different on lathes (FANUC-type G-code system A). Group 10.

📚Sources

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

  1. 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
  2. Haas Automation, Inc. — Mill Operator's Manual – 17 Mill G-Codes (online version) haascnc.com
  3. National Institute of Standards and Technology (NIST), USA — The NIST RS274NGC Interpreter – Version 3 (NISTIR 6556, 2000) nvlpubs.nist.gov
  4. Siemens AG — SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D Programming Manual ISO Turning, 04.2007 Edition cache.industry.siemens.com
  5. Haas Automation, Inc. — Lathe Operator's Manual – 16 Lathe G-Codes (online version) haascnc.com