Mechanical component assembly is the process in which individual parts are joined into a functional whole to create a finished mechanical product or subassembly. This process includes the preparation of parts, their precise positioning, and fastening using screws, rivets, welded joints, or other methods to ensure that the final assembly is stable, accurate, and reliable.
Mechanical assembly is essential in the production of machines, equipment, and other industrial products - without quality assembly, the product would not function properly.