1. During cutting best distance from nozzle to plate is 2 ~ 3mm, torch to base material inclination angle should be within 5 degrees.
2. Do not start cutting when the cutting tip contacts the base metal.
3. On the following conditions, replace cutting nozzle, electrode
(1). Cut groove becomes large, oblique.
(2). Not arcing but there is airflow output.
(3). Severe discoloration around the cutting section.
(4). Electrode nozzle has a concave shape.