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EN
22
Spot Welding
The spot function allows spot welding for a de
fi
ned time.
0~t1: The machine starts to exhale (pre-gas time) When pressing the torch button.
t1~t2: The machine starts to wire feeding
t2: The machine starts to weld, and current reach to the rated welding current.
t3: The welding process is immediately stopped if the torch button is released during the de
fi
ned time, like the
case1 at t3 point in the
fi
gure, and the machine continue to exhale for some time (post-gas time).
t4/t5: The controller automatically stops the welding process after expiration of the de
fi
ned time, like the case2
and case3 in the
fi
gure, the current goes to zero, and the machine continue to exhale for some time (post-
gas time).
The pre-gas time and post-gas time couldn’t be adjusted under spot welding mode.
•
Wire Diameter/Gas Selection
The gas used in welding matches the type of wire (including material and diameter), and the material and diam-
eter of wire will affect arc initiation, arc closure, and maximum and minimum current.
• Output
Voltage
Control of the output power, the machine works in constant current cycle in the start and then goes into constant
voltage, with a dynamic controlled by variable inductance
Содержание DYNAMIG 560
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