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What Is Spot Welding?

Mar 12, 2018

Spot welding is temporary welding in the weld joint area. It can make the pipe to be welded securely assembled to avoid misalignment during welding. The spot weld joint length is generally 20~50mm, and the interval angle is 90°. At the time of formal welding, these spot welds will melt into the weld metal.

The point of solidification shall be kept away from the locations where welding and welding have been completed, so that the spot weld can be remelted when the arc is fully stabilized and maximum heat is generated during welding. If welding is started at the spot weld, it will cause the weld to be discontinuous。The preferred spot welding position is shown in Picture.

Spot welding.png


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