Dwell Time

Command

G4 or G04

Cancellation

End of block

Parameter

F or X

G4 is used to switch on a dwell time. It is used to interrupt workpiece machining between two NC blocks for a programmed time (in seconds).

Sample: 

N10 G01 X100 F6000
N20 G04 X0.5 (pause in sec)
N30 G02 X300
...

Notice The dwell time must be programmed in a dedicated set, and the parameters (X or F) must be programmed after G04.