4.3 Connection of safety ground lock
Before the welding, connect the aviation socket of the safety ground lock to the interface on the rear panel
of the machine, and clamp the alligator clip of the safety ground lock to the workpiece. The torch head will
emit laser only when the laser enablement signal is valid and the torch head is in contact with the
workpiece and the torch switch is pressed.
4.4 Gas connection
During the welding, a kind of inert gas should be used to cool the torch head and protect the weld seam.
The purity and pressure of inert gas shall be guaranteed. Generally, nitrogen and argon gases are used
as the shielding gas, with the purity of not less than 99.99% and the inlet gas pressure of greater than 80
kpa. The gas is injected into the gas inlet on the rear panel of the machine through the Φ6 mm gas hose,
and the gas flow should be ≥15L/min.
4.5 Wire feeder assembly
4.5.1 Internal assembly of wire feeder
Figure 4-2 Interior of wire feeder
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