－
36
－
10. OPERATION
(Continued)
10.1.4 Setting of Arc Spot Welding
To carry out arc spot welding, select the “
··
··
” 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 Cooling system diagram
：
Notice
：
1
）
The water circulating system is only controlled by the torch switch and has nothing
to do with other function.
2
）
When the DC stick mode is set, the water circulate does not work.
Welding Current
Setting of
ARC SPOT time
Actual ARC
SPOT time
ARC SPOT time
Welding Current
OFF
ON
OFF
ON
Torch switch
Water Circulate
ON
OFF
After sending water time
