1 Answers
Option 1 : Spot welding
Explanation:
- Spot welding uses industrial robots extensively to perform operations.
- Although Robots are used in several welding processes (in automotive, aerospace, and metals industries) where following are the requirements:
1) Perform the same weld repeatedly
2) Small variation of parts to weld
3) Process has inherent dangers
4) Requires high levels of repeatability and accuracy
5) Need for high output
- Robots are also used in welding processes like Spot welding, Arc welding, Resistance welding, MIG welding TIG welding, Laser welding, and Plasma arc welding.
Spot Welding:
- It is also known as resistance spot welding.
- It is a resistance welding process in which two or more metal sheets are welded together by applying pressure and heat from an electric current to the welded area as shown in the given figure below.
[ alt="F3 Akhil Pathak 22-4-2021 Swati D1" src="//storage.googleapis.com/tb-img/production/21/04/F3_Akhil%20Pathak_22-4-2021_Swati_D1.png" style="width: 488px; height: 319px;">
Procedure:
There are basically five steps in spot welding which can be seen in the following figure -
[ alt="F3 Akhil Pathak 22-4-2021 Swati D2" src="//storage.googleapis.com/tb-img/production/21/04/F3_Akhil%20Pathak_22-4-2021_Swati_D2.png" style="width: 635px; height: 278px;">
1) Parts are inserted between the open electrodes.
2) Electrodes closed and force is applied.
3) Current is switched on i.e. welding starts.
4) Current is turned off but the force is maintained.
5) Electrodes are opened and welded assembly is removed.