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Magnetarc welding

Welding precision - Magnetarc welding

The Magnetarc welding process developed by KUKA Systems is a pressure welding process with an arc that is moved magnetically under shielding gas.

This process can be used to join hollow sections with wall thicknesses between 0.7 and 10 mm. Suitable materials are electrically conductive and fusible materials, such as carbon steel or low-alloy steels, free-cutting steels, cast steel and malleable cast iron. This process is also ideal for joining combinations of these materials to one another.

Perfect joints at the Touch of a Button

KUKA Magnetarc welding joins components ...

with enclosed geometry
with maximum speed
with excellent process control
with highest precision
with exactly defined quality

The prerequisites for using the Magentarc process are ...

conductive and fusible materials
components with tubular cross-sections
wall thicknesses from 0.7 to 6 mm

The Magnetarc Welding-Process

The Magnetarc Welding process:

The clamped workpieces are brought into contact. The weld current is then switched on.
In a defined retract motion, the workpieces are moved apart, thereby striking the arc. The arc is rotated by means of a magnetic field.
The rotating arc melts the weld surface. Rotational speed and shaping of the arc, as well as progression and quantity of energy input, are precisely controlled.
The workpieces are joined by means of a forging operation.
The forge velocity and forge force are defined for each specific
component.