How do intermittent and continuous seam welds compare?

Intermittent and continuous seam welds are very similar. In fact they can be run on the same machine. The only difference is the spacing of the weld. A change in the machine settings could produce either weld.

A continuous seam weld is one where the individual spot welds produced overlap and normally form a fluid tight seam weld. Intermittent welds are spaced out and therefor are not fluid tight. Sometimes this type of weld is referred to as a roll spot weld. Generally the roll spot/intermittent process can produce more feet of product faster than the continuous seam weld.

 Roll Spot Continuous Seam Schematic

Reference: RWMA – Resistance Welding Manual Section 4

Have a Question?

Do you have a question that is not covered in our knowledgebase? Do you have questions regarding the above article? Click here to ask the professor.

Did you find this answer helpful?