Differential construction

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The differential construction is one of the classic structural assembly techniques in which the relatively simple individual parts are additively connected to one another using a joining technology . This technique is used, for example, in lightweight sheet metal construction by overlapping riveting , gluing and welding .

The opposite of this design is the integral design .

Advantages and disadvantages

Advantages of the differential design:

  • Material combinations possible
  • easily recyclable
  • partial repair possible
  • good fail-safe qualities (good failure behavior)
  • complex shapes possible

Disadvantages of the differential design:

  • Notch effect
  • corrosion
  • high cost of materials
  • high assembly effort
  • derived from these disadvantages, there is a higher cost level.