A primary part for a linear motor, a linear motor comprising the same, and method for manufacturing such primary part.

摘要

The present invention relates to a primary part for a linear motor. It further relates to a linear motor comprising such primary part. Finally, the invention also relates to a method for manufacturing such primary part. According to the invention, the primary part comprises a housing, a pre-casted unit comprising at least two coils which are mutually fixed in position by a solidified first casting material, a plurality of spacer elements disposed between the pre-casted unit and the housing, said plurality of spacer elements contacting said housing and ensuring a space between the housing and the pre-casted unit, and a solidified second casting material filling said space between the housing and the pre-casted unit, wherein the solidified second casting material ensures a fixed connection of the housing to the pre-casted unit.