Tungsten Electrodes Tip Angle

The tip angle of the tungsten electrodes has the following regular practices:

1.0 Direct current welding below 200A, the front end angle of the electrode is 30~50 degrees, the arc blowing force is the strongest, and the penetration depth is the largest.

2.0 If the current exceeds 200A, the electrode temperature will be higher, and the arc blowing force will increase, and the protection status will deteriorate. The tip of the electrode forms an umbrella shape, but it can still maintain stable welding. The next welding needs to be re-ground and replaced.

3.0 When the current exceeds 250A, the front end of the electrode will produce melting loss. Before welding, the front end of the electrode will be ground out of a certain size platform.

4.0 The heat input of the tungsten electrode is large during DC reverse polarity and AC welding, and the current is not concentrated in a certain area of ​​the anode. At this time, it is most appropriate to grind the shape of the electrode tip into a round shape.

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