THERMALLY NON-INSULATING FOAM MATERIAL FOR MECHANICAL FIXING AND PASSIVATION OF COMPONENTS OF ELECTRICAL MACHINES

摘要

The invention relates to a method for producing an electrical machine (50) comprising a winding head (10) and a housing (12). First, a rigid foam system (20) is provided, in which a rigid foam (26) is in a first liquid state that can be converted into a second solid state. The rigid foam (26) comprises non-metal particles (22). The rigid foam system (20) has a larger volume in the second state than in the first state by at least 5%. The rigid foam system (20) is introduced into a region between the winding head (10) and the housing (12) of the electrical machine (50), said rigid foam system (20) being converted from the first state into the second state, and in the second state, connecting the winding head (10) to the housing (12) for heat dissipation. In this way, the winding head (10) can be connected to the housing (12) in a thermally good manner, while maintaining said two components electrically isolated from each other.