Resistance butt welding

Resistance butt welding is a welding process for electrically conductive materials.

The components are pressed together so that there is good contact over the entire cross-sectional area.

As the current flows, the weld site heats up to welding temperature (melting). When the required temperature is reached over the entire cross-sectional area of the weld, the current flow is interrupted and the components are firmly pressed together by the upset movement of the electrodes.

The components are firmly clamped in clamping jaws, which serve both as electrodes for current transmission and for transmission of force. The components to be welded must be clean at the joint to achieve optimum welding results.


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