Spot Welders
Spot welding is a process of welding typically used for welding metal sheets together. It works by contacting copper alloy electrodes to the sheet surfaces, whereby pressure and electric current are applied and heat is generated by the passage of current through resistive materials such as low carbon steels. Spot Welders' electrodes convey an electrical current through the weld pieces. The material melts, fusing the parts together at which point the current is turned off, pressure from the electrodes is maintained and the melted point is to form the joint.
What materials can be welded by spot welding?
The most suited materials for spot welding due to low thermal conductivity and high electrical resistance are steel and galvanised steel. Other than that, spot welding is also commonly used for welding aluminium, stainless steel and even copper (Electrode materials typically used for spot welding copper include molybdenum and tungsten).
Where is spot welding used?
Spot Welding is used in a number of industries including:
- automotive
- aerospace
- rail
- electronics
- construction
- metal furniture production