－
39
－
10. OPERATION
(Continued)
10.1.4 Setting of Arc Spot Welding
To carry out arc spot welding, select the “ARC SPOT” mode by CRATER FILLER key[6], and set
spot welding current by CURRENT adjusting knob[4] and spot welding voltage by VOLTAGE
adjusting knob[5].
In ARC SPOT mode, press DISPLAY CHANGE key[7] to switch to spot welding time adjustment
mode. The left digital meter will display setting value and the LED corresponding to “sec” will light
up. In this status, an arc spot time between 0.1 seconds and 10 seconds can be set by parameter
adjusting knobs ([4] or [5]).
To return to the previous parameter item adjusted, just press CRATER FILLER key[6] or DISPLAY
CHANGE key[7] again.
Torch switch
Output current
●
Keep the torch switch pressed and held during the Arc Spot time.
Torch switch
Output current
●
When holding time of the torch switch is shorter than the ARC SPOT time,
welding will end at the same time the torch switch is “OFF”.
Note:
In the ARC SPOT mode, the penetration control function (F13) is unavailable. When
setting spot welding with weld penetration control being “ON”, this function will be
automatically switched to “OFF”.
10.1.5 Adjustment of Welding Voltage
Using the VOLT. CONTROL key[9] allows you to select one of the following voltage
adjustment methods. The state of VOLT. CONTROL is changed in the following order each
time the key is pressed.
INDIVIDUAL
SYNERGIC(voltage)
SYNERGIC(
adjustment)
(1) INDIVIDUAL Adjustment
“INDIVIDUAL” adjustment can be performed when the LED to the upper left of the VOLT.
CONTROL key goes out.
In the case of the INDIVIDUAL adjustment, welding current and welding voltage must be
adjusted individually by parameter adjusting knobs([4] and [5]).
Welding Current
Setting of
ARC SPOT time
Actual ARC
SPOT time
ARC SPOT time
Welding Current
OFF
ON
OFF
ON
Wminfo
