Postflow Time Control - Miller Syncrowave 250 DX Technical Manual

4-14. Postflow Time Control

1 Postflow Time Control
Use control to set length of time
(CE Nameplate)
(0−50 seconds) gas flows after
welding stops. It is important to set
enough time to allow gas to flow un-
til after the tungsten and weld
1
1
puddle has cooled down.
Application:
Postflow is required to cool tung-
sten and weld, and to prevent con-
tamination of tungsten and weld. In-
crease postflow time if tungsten or
weld are dark in appearance
(approximately 1 second per 10
ampere of welding current).
TM-359 Page 46 Syncrowave 250 DX