An electrical motoris provided, comprising a rotor (2), a stator (3), and a housing (4) enclosing the rotor (2) and the stator (3). The stator (3) comprises at least one end turn connection device (6) arranged on one axial end thereof, and a plurality of hollow winding pins (5) extending through the at least one end turn connection device (6).

An electrical motoris provided, comprising a rotor (2), a stator (3), and a housing (4) enclosing the rotor (2) and the stator (3). The stator (3) comprises at least one end turn connection device (6) arranged on one axial end thereof, and a plurality of hollow winding pins (5) extending through the at least one end turn connection device (6).

A coil shaping device includes a plurality of rollers having an outer circumference formed with a concave groove having an arc-shaped cross section, a roller moving mechanism making the rollers move between a gripping position, at the gripping position the plurality of rollers grips the coil from surroundings of the coil, and a separating position, at the separating position the plurality of rollers is separated from the coil, and a rolling movement mechanism making the plurality of rollers positioned in the gripping position move, by the plurality of rollers being rolled in a longitudinal direction of the coil.