OPERATION CONTROL AND CONNECTORS
13
Lifting arc: Touch the
electrode on the
workpiece. As you raise
the electrode the arc will
commence.
4.3.2 Manipulation of electrode
In MMA welding, there are three motions to balance being electrode angle, the
electrode movement from side to side as well as the electrode travel speed.
The operator can choose the manipulation of electrode based on welding joint design,
welding position, electrode spec, welding current and operation skill, etc.
The details please refer to
《
Welding Dictionary
》
P69, Volume 1 of Edition 2.
4.4 Welding parameters
4.4.1 Joint form in MMA
In MMA welding, the common basic joint form: butt joint, lap joint, corner joint
& T joint.
butt joint
lap joint
corner joint
T joint
electrode
workpiece
weld
1
2
3
2
1-electrode moving; 2-the electrode swing right & left; 3-the electrode move along weld
Summary of Contents for ARCOSTICK MMA 180
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