High--Speed Peck Drilling Cycle (G73) - Siemens SINUMERIK 802D sl Programming Manual

Enhanced Level Commands
4.1 Program support functions (1)
4.1.2 High- -speed peck drilling cycle (G73)
This cycle carries out high--speed peck drilling. It induces intermittent cutting feed
to the bottom of a hole. Retract movements enables chip removal.
Format
G73 X.. Y... R... Q... F... K... ;
X,Y: Hole position
Z: Distance from point R to the bottom of the hole
R: Distance from the initial level to R level
Q: Depth of cut for each cutting
F: Cutting feedrate
K: Number of repeats
Point R
q
q
q
Fig. 4-6
4-98
SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D ISO Milling (PGM) -- 04.07 Edition
G73 (G98)
Initial level
d
d
Point Z

High--speed peck drilling cycle (G73)

G73 (G99)
Point R
q
d
q
q
© Siemens AG 2007 All rights reserved
04.07
Point R level
d
Point Z