Siemens SINUMERIK 808D User Manual

Programming and Operating Manual (Milling)
108 6FC5398-4DP10-0BA6, 09/2017
See the following illustration for comparison of the G60 and G64 velocity behavior:
11.7.3
Dwell time: G4
Fu n ctionality
Between two NC blocks, you can interrupt the machining for a defined time by inserting a
separate block
with G4; e.g. for
relief cutting.
The words with F... or S... are only used in this block for the specified time. Any previously programmed feedrate F or a
spindle speed S remain valid.
Programming
G4 F...
; Dwell time in seconds
G4 S...
; Dwell time in spindle revolutions
Programming example
N5 G1 F200 Z-50 S300 M3
; Feed F; spindle speed S
N10 G4 F2.5
; Dwell time 2.5 seconds
N20 Z70
N30 G4 S30
; Dwelling 30 revolutions of the spind le, corresponds at S=300
rpm and 100 % speed over ride to: t=0 .1 mi n
N40 X60
; Feed and spindle speed remain effect ive
M30
Note
G4 S.. is only possible if a controlled spindle is available (if the speed specifications are also programmed via S...).

Siemens SINUMERIK 808D Specifications

General

Brand	Siemens
Model	SINUMERIK 808D
Category	Control Unit
Language	English