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1 2019

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Project of a fixture for joining car body parts

Kochański Łukasz, Rząsiński Rafał

Selected Engineering Problems

2019

nr 8

67--72

The key step in designing a new car model to enter the market is choosing the right method to join the elements into a whole body. The known car body production technologies have been developed based on the experience gained in the use of carbon steel. Aluminium sheets stoped to rival with steel ones, when advantages of both were being used. The coexistence of different types of materials used in the same car body structure has been forced changes in the traditional methods of joining them. The random car body consists of 4,000 spot welds, 13 meters of welds, 90 meters of glue [2, 5]. The aim of the study to present various methods of joining car body parts and to compare their strength in an analytical way and using the finite element method. Particular attention has been given to the clinching, which becomes a cheaper and more flexible alternative to resistance spot welding.