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30
esides very small current welding ,usually
there is a small pit when finish welding
(welding end
),
this pit calls "crater"
the reason of formed pit arising by arc
pressure and metal cold shrink after
burning general speaking
,
the large
welding current,the big welding pit
forming .In welding process ,pit is easy
to be a welding problem.So, the smaller
pit ,the best welding result .We call the
method padding pit is a crater fill up
process ,the current will be set as 60~70
%
value of total current .
Crater “No ”welding seam Crater “Yes ”welding seam
When finish welding
,
torch switch can be switchover smaller current than welding
current
,
this calls “Yes ”crater. So, "No " means there is no such function for final
crater process, torch will be finished at normal welding current .
Содержание FKR350
Страница 8: ...7 5 PARTS NAME AND FUNCTION welding power operation front panel...
Страница 9: ...8 Welding power...
Страница 10: ...9 remote controller...
Страница 17: ...16 Preparation before welding operation Install wire...
Страница 25: ...24 wire fed machine gas flow meter...
Страница 27: ...26 Dimension diagram FKR350 unit mm FKR500 unit mm...
Страница 29: ...28...
Страница 34: ...33 Daily overhaul continual...
Страница 35: ...34 Daily overhaul continua...
Страница 36: ...35...
Страница 42: ...41...
Страница 43: ...42...
Страница 44: ...43...
Страница 47: ...46 5 Circuit diagram...