tack weld

Noun

A small, isolated weld used to position and secure pieces of work (typically, in preparation for the final weld).

Japanese Meaning

最終溶接前の下準備として、対象物の位置決めや仮固定に用いられる、小さく孤立した点溶接

Before completing the seam, she placed a tack weld every six inches to hold the plates in alignment.

本溶接を仕上げる前に、彼女は板を整列させるために6インチごとに小さな仮止め溶接を入れた。

Sense（1）

A small, isolated weld used to position and secure pieces of work (typically, in preparation for the final weld).

A large number of very small tack welds should be used on thin metal sections, while a few larger tack welds may be used for thicker metal parts.

tack welds

（ plural ）