11
Welding
A. Plasma welding
1. Current down slope time can be adjusted at poti c to give a delay time of 0,5 to 5,0 s.
after the third operation in the 4-stroke mode has been activated (see t
a
in diagram).
2. Position of poti
h defines duration of current up-slope (see t
r
in diagram), whereas time of
down-slope t
f
is set at poti m.
3. Activate torch- or foot switch (lamp g will light) 1. and 2. stroke.
4. To finish the welding operation, down-slope is initiated by actuating torch- or foot- switch.
3. stroke (closing of keyhole)
5. After the time set at poti
c has passed, down-slope starts. When down-slope is over,
switch can be released.
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