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Roller seam welding

Roller seam welding is a resistance welding process. This technique is used in sheet-metal working whenever continuous, tight weld seams are required.

Roller seam welding: the technology

Roller seam welding is derived directly from spot welding. It is used for processing thin sheets. The workpieces are joined using electric current and pressure.

The technology works in the following way: In a roller seam welding process, a robot moves two copper rollers arranged one above the other along a component. The current flowing through these copper rollers makes contact with the component in concentrated form. Simultaneously, the individual workpieces are pressed against each other.

This produces a multitude of spot welds that create a continuous and tight seam. 

Automated roller seam welding

As a KUKA customer, you will benefit from our roller seam welding expertise. We have implemented numerous automated stations – also featuring flexible clamping fixtures, for example. Complete welding lines are also part of our range.

The perfect interplay between the robot, roller seam weld gun, fixture and control system plays a decisive role in the manufacture of high-quality products. We develop the ideal concept for each production system.

Roller seam welding: the advantages

Roller seam welding is based on the same process principle as spot welding. The process has two main advantages when compared to spot welding:

  • Roller seam welding is capable of producing a continuous seam. For many products, this impermeable seam is absolutely vital.
  • In addition, it is possible to achieve faster cycle times than in spot welding.
No matter whether you are welding dishwashers, fuel tanks or beverage cans – roller seam welding will produce continuous, tight seams. Give us a call and we can talk about your product.