Problemas
What is the best method of striking an arc when using a transformer.type DC welding machine? tapping method weaving method short arc method grounding method
Roztwór
Laura
professionell · Tutor durante 6 años
3
(215 Votos)
Respuesta
**Tapping method**The tapping method is the best way to strike an arc when using a transformer-type DC welding machine. This involves lightly tapping the electrode on the workpiece and then quickly lifting it to establish the arc without sticking the electrode to the surface.