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Soldered connection

Calculation basis: G. Niemann, Maschinenelemente, volume I, 1981. Calculation of the solder connection is executed for connections that are stressed on shear.

Two different stress cases are provided:

  • Shear force: Transmission of a shear force between two surfaces
  • Torque: Shaft-hub connection with torque stress.
  • The connection can be stressed statically or dynamically (in the normal case pulsating). The following can be selected as materials (extensible database):

  • Soft solder LSn40, LSn60, peak load
  • Soft solder LSn40, at continuous load
  • Brass solders: Steel NE heavy metals
  • Argentium silver solders, copper: Steel
  • Silver solders: Steel NE heavy metals
  • Sizing:

  • Sizing of solder width for (shaft/hubs) or solder length (for brackets) due to the strength of the base material. The tensile strength of the connection is sized in such a manner that it corresponds to the tensile strength of the base material, or the fatigue strength of the shaft.
  • Sizing of the solder width based on stress: Tensile strength of the connection is sized in such a manner it can transmit the acting forces taking the entered target resistance into account.
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