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2. Spot welding - Wikipedia

   en.wikipedia.org/wiki/Spot_welding

   A portable spot welder. Spot welding (or resistance spot welding [1]) 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.

3. Welding power supply - Wikipedia

   en.wikipedia.org/wiki/Welding_power_supply

   The nature of the CV machine is required by gas metal arc welding and flux-cored arc welding because the welder is not able to control the arc length manually. [ citation needed ] If a welder were to attempt to use a CV machine for a shielded metal arc welding (SMAW) task, the small fluctuations in the arc distance would cause significant ...

4. List of welding codes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_codes

   Automotive spot welding AWS D8.6: Automotive spot welding electrodes supplement AWS D8.7: Automotive spot welding recommendations supplement AWS D8.8: Automotive arc welding (steel) AWS D8.9: Automotive spot weld testing AWS D8.14: Automotive arc welding (aluminum) AWS D9.1: Sheet metal welding AWS D10.10: Heating practices for pipe and tube ...

5. Welding - Wikipedia

   en.wikipedia.org/wiki/Welding

   Many welding processes require the use of a particular joint design; for example, resistance spot welding, laser beam welding, and electron beam welding are most frequently performed on lap joints. Other welding methods, like shielded metal arc welding, are extremely versatile and can weld virtually any type of joint.

6. Power supply - Wikipedia

   en.wikipedia.org/wiki/Power_supply

   The electricity is provided by a welding power supply, and can either be AC or DC. Arc welding requires high currents typically between 100 and 350 amperes . Some types of welding can use as few as 10 amperes, while some applications of spot welding employ currents as high as 60,000 amperes for an extremely short time.

7. Robot welding - Wikipedia

   en.wikipedia.org/wiki/Robot_welding

   Robot welding is the use of mechanized programmable tools , which completely automate a welding process by both performing the weld and handling the part. Processes such as gas metal arc welding , while often automated, are not necessarily equivalent to robot welding, since a human operator sometimes prepares the materials to be welded.