Exploiting low-amplitude pulsing in MAG welding

Kemppi's MAX Speed arc performance process

Welding current pulsing in MIG/MAG welding has traditionally aimed to remove one drop of filler material per pulse, with the benefits of the process being largely based on achieving short-circuit-free material transfer even at the lowest welding powers. It is now understood that other benefits can also be achieved by pulsing the welding current. To gain these benefits, not as high amplitude, i.e. welding current variation, is required as in conventional pulsed MIG/MAG welding. This avoids certain problems caused by high amplitude. Since low-amplitude pulsed welding does not aim to achieve the same kind of material transfer as conventional pulsed MIG/MAG welding, it allows the use of a higher pulse frequency, which brings new advantages. The new MAX Speed welding process developed by Kemppi takes advantage of such low-amplitude pulsing, combining it with the benefits of a short welding arc.

Exploiting low-amplitude pulsing in MAG welding

Exploiting low-amplitude pulsing in MAG welding

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