What does spot welding mean?

Definitions for spot welding
spot weld·ing

This dictionary definitions page includes all the possible meanings, example usage and translations of the word spot welding.

Princeton's WordNet

  1. spot welding, spot-weldingnoun

    creating an overlapping joint by welding at small points

Wiktionary

  1. spot weldingnoun

    The resistance-welding of overlapping pieces of metal by applying pressure and an electric current at small points

Wikipedia

  1. Spot welding

    Spot welding (or resistance spot welding) is a type of electric resistance welding used to weld various sheet metal products, through a process in which contacting metal surface points are joined by the heat obtained from resistance to electric current. The process uses two shaped copper alloy electrodes to concentrate welding current into a small "spot" and to simultaneously clamp the sheets together. Work-pieces are held together under pressure exerted by electrodes. Typically the sheets are in the 0.5 to 3 mm (0.020 to 0.118 in) thickness range. Forcing a large current through the spot will melt the metal and form the weld. The attractive feature of spot welding is that a large amount of energy can be delivered to the spot in a very short time (approximately 10–100 milliseconds). This permits the welding to occur without excessive heating of the remainder of the sheet. The amount of heat (energy) delivered to the spot is determined by the resistance between the electrodes and the magnitude and duration of the current. The amount of energy is chosen to match the sheet's material properties, its thickness, and type of electrodes. Applying too little energy will not melt the metal or will make a poor weld. Applying too much energy will melt too much metal, eject molten material, and make a hole rather than a weld. Another feature of spot welding is that the energy delivered to the spot can be controlled to produce reliable welds.

ChatGPT

  1. spot welding

    Spot welding is a type of electric resistance welding used to join two pieces of sheet metal together. The process involves applying heat and pressure through electrodes, to a small area, to cause the metals to fuse together. The resulting union is called a "spot weld". This method is commonly used in the automotive industry due to its speed and efficiency.

Wikidata

  1. Spot welding

    Spot welding is a process in which contacting metal surfaces are joined by the heat obtained from resistance to electric current. Work-pieces are held together under pressure exerted by electrodes. Typically the sheets are in the 0.5 to 3 mm thickness range. The process uses two shaped copper alloy electrodes to concentrate welding current into a small "spot" and to simultaneously clamp the sheets together. Forcing a large current through the spot will melt the metal and form the weld. The attractive feature of spot welding is that a lot of energy can be delivered to the spot in a very short time. That permits the welding to occur without excessive heating of the remainder of the sheet. The amount of heat delivered to the spot is determined by the resistance between the electrodes and the magnitude and duration of the current. The amount of energy is chosen to match the sheet's material properties, its thickness, and type of electrodes. Applying too little energy won't melt the metal or will make a poor weld. Applying too much energy will melt too much metal, eject molten material, and make a hole rather than a weld. Another attractive feature of spot welding is that the energy delivered to the spot can be controlled to produce reliable welds.

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Numerology

  1. Chaldean Numerology

    The numerical value of spot welding in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of spot welding in Pythagorean Numerology is: 9

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"spot welding." Definitions.net. STANDS4 LLC, 2024. Web. 29 Mar. 2024. <https://www.definitions.net/definition/spot+welding>.

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