Hybrid Control and Verification of a Pulsed Welding Process

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HYBRID PULSE CONTROLS

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THE HYBRID PULSE CONTROLS WELDING PROCESS

HPC-Hybrid Pulse Controls is synergetic waveform controlled welding process control variants applied in MIG welding which Pulse(spray arc) and short-circuit transfer types in one duty cycle. It keeps the advantage of both transfer types which delivers exceptional directional stability, deep penetration and free-spratters.

THE ADVANTAGES

· High directional stability
· Deep penetration
· Much less spatter, which equals less rework
· Less cleaning required and savings on wearing parts
· Outstanding result for pipe welding solutions, especially for vertical-up

INTELLIGENT STABILIZERS FOR PENETRATION AND ARC LENGTH

Penetration stabilizer

An additional wire control keeps the current and penetration constant if the distance between the welding torch and the component changes. The arc becomes significantly more stable and the penetration is much more constant. On standard MIG/MAG devices without a penetration stabilizer, the welding current, and thereby the welding power, drops if the distance changes. If the penetration is insufficient, there may be a lack of fusion. If the penetration is too great, the weld seam may drop through on thin sheets, as the welding current increases.

Arc length stabilizer

The welding voltage can directly influence the arc length. The result is a short arc with which short circuits occur, guaranteeing safe droplet transfer that is not susceptible to interference. The rapid control keeps the short circuit duration to a minimum and reduces the voltage. The arc length stabilizer keeps the arc constantly short, ensuring the arc is stable. There is no need for the user to carry out manual readjustment in the event of external interference. Considerable time savings can be made here in terms of the number of jobs (programmed welding programs) needed for an application, especially for robotic welding.