Crossfire HD-350, Руководство оператора

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Page 6
Torch Frame Sketch
Start — Pre-send Gas (0.3-0.6s) — Turn On Power Source — Feed Wire / Pilot Arc — Start Welding —
Stop Wire Feeding — Cut off Power — Stop Gas (lag2-3s)
3.6 MIG To rc h M a i n t e n a n c e
Notice: *
Shut off the
power before assemble/disassemble torch or replace the components.
* Replace torch parts that are worn or damaged.
* The cable of torch must be replaced when it worn out.
* Use compressed air to blow out dust/deris from torch regularly.
3.7 R e m a r k & S i g n o f I l l u s t r a t i o n
Ground
MIG/MAG Welding
AC 3-phase Power Supply, the Rated Frequency is 60Hz.
3-phase Transformer—Rectifier
Direct Current
X: Duty Cycle
I
1max
...A: Rated Maximum Input Current
I
1eff
...A: Maximum Virtual Input Current
I
2
: Rated Welding Current
U
0
...V: Rated No-load Voltage
U
1
...V: Rated Input Voltage
U
2
: Conventional load voltage
~60Hz: AC, Rated Frequency = 60Hz.
...V: Voltage Unit (Volt)
...A: Current Unit (Ampere)
...KVA: Power Unit (KVA)
...%: Duty Cycle Unit
...A/...V~...A/...V: Output Range. Rated minimum and maximum welding current and related
load voltage.
IP21S: Case Protection Class. ‘IP’ is the code of International Protection. ‘2’ mean preventing
user’s finger from the dangerous parts; preventing the solid material with the diameter
no less than 12.5mm into the box. ‘1’ means preventing water dropping vertically which
is harmless. ‘S’ means water proof test is conducting while the movable parts are
standstill.
F (H): F(H) Insulating Grade.
~ 3
3 ~ 60Hz