Thermal Arc Viking 210GM, Руководство по эксплуатации

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Viking 210GM, 250GM
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8.4 Torch Polarity Lead (Compact Models Only)
This lead selects the welding voltage polarity of the electrode wire. Plug it into the positive
welding terminal (
+
) when using steel, stainless steel or aluminium electrode wire. Plug the
Torch Polarity Lead into the negative welding terminal (
−
) when using gasless electrode wire. If
in doubt, consult the manufacturer of the electrode wire for the correct polarity.
8.5 Positive and Negative Welding Terminals
Welding current flows from the Power Source via heavy duty bayonet type terminals. It is
essential, however, that the male plug is inserted and turned securely to achieve a sound electrical
connection.
CAUTION 3
Loose welding terminal connections can cause overheating and result in the male plug being fused in the
bayonet terminal.
8.6 Wirefeeder Control Socket (Remote Wirefeeder Models Only)
This socket accepts the male plug on the control cable from the Wirefeeder. The male plug should
be fully inserted into the control socket then locked into position by turning the retaining ring on
the male plug in a clockwise direction.
8.7 Thermal Overload
The critical component for thermal protection is the rectifier stack, which is fitted with a thermal
overload cut out device. If the overload operates then the machine should be left to cool for
approximately 15 minutes before resuming welding.
The thermal overload will not operate and there will be no danger of transformer damage if the
Power Source is operated within its duty cycle, refer to section 1.5 for an explain of duty cycle and
section 3 for the specifications.
8.8 Choice of Inductance Setting (Viking 210GM & 250GM Only)
The Viking 210GM & 250GM have two inductance taps. These inductance terminals are the
positive welding terminals. Inductance selection can effect the spatter level and penetration
characteristics of the weld. The correct choice depends upon the shielding gas, transfer mode and
the material type.
Used for:
•
Carbon Dioxide shielded welding.
•
Dip transfer with
∅
1.2mm (.045”) wires (Carbon Dioxide
or mixed gas).
•
Gives a hotter weld in DIP transfer.
Used for:
•
Spray transfer
•
Aluminium and Flux Cored wires.
•
Gives a cooler weld in DIP transfer.
NOTE 1
If in doubt, use the high inductance setting.
8.9 Wirespeed Control (Compact Models Only)
The Wirespeed Control knob controls the welding current via the electrode wire feed rate. ie the
speed of the wire feed motor.
High Inductance Symbol
Low Inductance Symbol