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OPERATION - MMA
Before starting any welding activity ensure that you have suitable eye protection and
protective clothing. Also take the necessary steps to protect any persons within the welding
area.
MMA welding mode
MMA (Manual Metal Arc), SMAW (Shielded Metal Arc Welding) or just Stick Welding.
Stick welding is an arc welding process which melts
and joins metals by heating them with an arc
between a covered metal electrode and the work.
Shielding is obtained from the electrode outer
coating, often called flux. Filler metal is primarily
obtained from the electrode core.
The electrodes outer coating called flux assists in
creating the arc and provides a shielding gas on
cooling forms a slag covering to protect the weld
from contamination.
When the electrode is moved along the work
piece at the correct speed the metal core
deposits a uniformed layer called the weld
bead.
MMA operation steps
After connecting the welding leads as detailed you will need to switch the power switch on the back
panel of the machine to “ON”.
Select MMA mode by pressing the welding mode selecting
key and MMA can be carried out. There is voltage output at
both output terminals.
At this time, the voltage indicator illuminates and welding
can be carried out.