Taurus MIG-250TD, Руководство по эксплуатации, Страница: 13 / 32

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0~t1: Press torch trigger. Gas pre-flow starts.
t1~t2: Wire feed starts. Gas flows.
t2: Welding operation starts and current reaches preset value.
t3~t4: Trigger released. Wire feeding stops and current drops to zero.
Post-flow gas will continue for a short period. Note: the gas pre-flow and
post-flow not adjustable in T2 mode.
3.2. 4T Mode
This setting applies for longer-spell welds and the responding current curve is
depicted below.
0~t1: Press torch trigger. Gas pre-flow starts.
t1~t2: Release the trigger and the wire feed starts and current reaches
preset value.
t2~t3 ： Pressing the trigger again, stops the wire feeding and drops the
current to zero. Post-flow gas will continue for a short period.