S
ETTING
W
ELDING
C
ONDITIONS
W
ELDING
C
ONDITION
C
HAPTER
6
6-16
6.6.3
Crater setting
This section explains the details of crater treatment and torch switch operation.
There are modes listed below for the crater setting. For initialization current, select availability by the
INITIAL CURRENT SELECT key.
The welding modes above are switched over to CRATER OFF
→
CRATER ON
→
CRATER ON (repeat)
→
Arc Spot by turns every time the CRATER-FILL key is pressed.
T I P S
• Even in the Crater-fill off mode, using the internal function (F45) enables to carry out the
welding process in the initial current before the main welding, and the welding process in the
Crater current after the main welding. (
6.10.2.35
-
F45/F46/F47: Special crater sequence
(effective/initial standard time setting/crater standard time setting))
6.6.3.1
Crater "OFF"
Select "CRATER OFF" by the CRATER-FILL key.
• In synchronous to the ON/OFF operation of the torch switch, the welding starts/stops.
Mode
Initial condition
Description
CRATER-FILL OFF
-
In the welding process, only available process is the main welding. (
6.6.3.1
-
Crater "OFF")
CRATER-FILL ON
Unavailable
After the main welding, you can weld by a crater current. (
6.6.3.2
-
Crater
“ON” (no initial current))
Available
In addition to the above, you can weld by the initial current before the main
welding. (
6.6.3.3
-
Crater “ON” (with initial current))
CRATER-FILL ON
(repeat)
Unavailable
After the main welding, you can weld by a crater current. During welding, welding
is self-held even after the torch switch is turned off. Turning on the torch switch
again switches the welding sequence to the crater treatment. During the crater
treatment, the torch switch has to be held on. Turning off the torch switch during
the crater treatment recovers the welding current, so that welding and crater
treatment are switched over repeatedly by this ON/OFF operation. Pull up the
welding torch to stop arcing. (
6.6.3.4
-
CREATER-FILL ON (repeat))
Available
In addition to the above, you can weld by the initial current before the main
welding. (
6.6.3.3
-
Crater “ON” (with initial current))
Arc Spot
-
Arc spot welding is enabled. (
6.6.5
-
Arc spot time)
ON
ON
OFF
OFF
Torch switch
Gas flow
Welding current
Pre-flow
Post-flow
Welding current
Main welding
Содержание Welbee WB-A350P
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