Operation
OMCTT5621E18
40
2) “Crater: ON” welding operation
This welding mode is used to fill in the crater of beads
generated on the terminal end of welding of intermedi
-
ate plates and thick plates.
With the “Crater” switch set to “ON”, perform welding by
repeating the ON/OFF cycle of the torch switch twice.
(A period of self-maintenance exists. The crater current
and the initial current are also available.)
(1) Torch: ON
(2) Torch: OFF
(3) Torch: ON
(4) Torch: OFF
Arc: ON
Self-hold: ON
Crater arc: ON
Arc: OFF
Torch switch
Output current
Shield gas
ＯＦＦ
ＯＮ
ＯＦＦ
ＯＮ
Pulse current
Welding current
Pre-flow
Up slope
Down slope
Post-flow
Crater current
* About Self-hold
• Self-hold is reset if the arc cut occurs more than 0.5 second.
• To stop welding during “Self-hold” period, raise the torch until the arc is cut.
Initial
current
(1)
(2)
(3)
(4)
(Self-hold period
*
)
