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Tab vs. Stitch Weld

thread178-3306

Tab vs. Stitch Weld

Tab vs. Stitch Weld

(OP)
What are the definitions and differences?

RE: Tab vs. Stitch Weld

I use the word 'tab' in relation to the runoff or starting tab of a weld, in the butt welding of two plates for instance. Stitch weld is a non continuous weld applied to one or both sides of a 'T' joint for example, a 2" weld every 6" would be a stitch weld. I presume the name came about from looking like a stitch done on a sewing machine...Mike

RE: Tab vs. Stitch Weld

Last year I was involved in an European project called "ROBHAZ" - robotized underwater friction welding repair, where "stitch welding" is to force a rotating pin 8mm dia 60mm long into a 9 mm hole dia. to obtain a solid state friction weld. This is to be done in sequence of welds, spot to spot. Also your sewing machine was referred... Ing

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