Abstract: Method for stamping multiple coil sides (96) for a stator winding (18), characterized in that the multiple coil sides (96) are arranged in a grooved row (90), the shaping process taking place at a force (F), the direction of which runs at an angle (?) greater than zero relative to the grooved row (90).

Abstract: Stator winding (18) comprising multiple phase windings (12). A phase winding has at least two partial phase windings (120a, 120b) which include coils (123) and coil connectors (126) that run parallel.

Abstract: A method is disclosed for producing a stator winding of an electric machine, in particular an alternator, the stator winding comprising at least one phase winding and the phase winding having a plurality of coils, the plurality of coils being wound in one direction, a given number of turns being wound and the coil having a plurality of coil sides, two coil sides of the coil transitioning integrally into coil connectors. The turns of the coil are subsequently moved relative to each other in such a way that the coil sides transitioning into coil connectors are outermost coil sides of the coil.

Abstract: A method for manufacturing a radial centering surface on an outer circumference of an annular laminated core of a stator comprises the steps of forming a stator with a hollow cylinder from strip-shaped laminations, preloading the stator axially before and during cutting, creating centering surfaces on an outer circumferential of the stator by using at least two cutting tools.

Abstract: Stator winding (18) comprising multiple phase windings (12). A phase winding has at least two partial phase windings (120a, 120b) which include coils (123) and coil connectors (126) that run parallel.

Abstract: Method for stamping multiple coil sides (96) for a stator winding (18), characterized in that the multiple coil sides (96) are arranged in a grooved row (90), the shaping process taking place at a force (F), the direction of which runs at an angle (?) greater than zero relative to the grooved row (90).

Abstract: A method is disclosed for producing a stator winding of an electric machine, in particular an alternator, the stator winding comprising at least one phase winding and the phase winding having a plurality of coils, the plurality of coils being wound in one direction, a given number of turns being wound and the coil having a plurality of coil sides, two coil sides of the coil transitioning integrally into coil connectors. The turns of the coil are subsequently moved relative to each other in such a way that the coil sides transitioning into coil connectors are outermost coil sides of the coil.

Abstract: A method for manufacturing a stator core (20) for an electric machine, in which a plurality of strip-shaped laminations (21) are first stacked to form an essentially block-shaped lamellas packet (40) that is then shaped into an annular form by means of roller bending in one of the subsequent steps so that the outer teeth are provided on the outer circumference of the lamination packets and has an axial direction (a) that corresponds to a cylinder axis (z), the annular form having axial end surfaces (46), wherein in another of the subsequent steps, the annular lamination packet (40) is plastically deformed in the axial direction (a) only on the outer teeth (70) of the axial end surfaces (46).

Abstract: The manufacturing device for bending an electromagnetic element of an electrical machine, which includes a stator lamination (5), has a first device (10) for bending the stator lamination (5) to form a pre-curved stator lamination and a second device (25) for final forming of the pre-curved stator lamination. The second device (25) includes a first assembly (29) for axially fixing and pressing the pre-curved stator lamination and a second assembly for radially centering and pressing the pre-curved stator lamination. The first device (10) includes a bending mandrel (11) around which the stator lamination (5) bendable, which has an outer diameter that is larger than an inner diameter of the fully bent electromagnetic element.

Abstract: The method for making a stator includes making individual strip-shaped laminas (15) for it; stacking the laminas (15) to form a stator core (13) with grooves (18) on one side extending through the core; producing a subassembly by inserting a stator winding (17) into the grooves (18); bending the subassembly to form a cylindrical cavity so that the grooves (18) end in the cavity and connecting two ends (23) of the stator core (13) to each other by a welding seam (20) to maintain this configuration. To produce a welding seam of sufficient strength which does not exert excessive influence on magnetic properties, the welding seam depth (TS) is given by TS=0.5 mm*(Hyoke/mm?1)±?TS, wherein Hyoke is yoke height and ?TS is a tolerance value. An electric machine including the stator made by this method is also described.

Abstract: A striplike lamination (10) for a stator of an electrical machine is proposed, in which the striplike lamination has an end contour (19) on each strip end (18). The end contours (19) are embodied such that a difference in length at the lamination (10) resulting from bending can be compensated for.

Abstract: A method for producing a magnetically excitable core for an electrical machine, by which in a method step (S1), the core, having a substantially parallelepiped shape with slots extending parallel on one side, is furnished, into whose slots, in a method step (S2), the core winding is inserted by its winding sides, and then in a method step (S3), the core together with the core winding is reshaped into a cylindrical ring shape with radially inward-oriented slots, is proposed. The method is characterized by a further step, according to which in each case all winding sides that are inserted into each slot are pressed into a slot shape in a tool and reshaped before being inserted into the slot.

Abstract: The invention relates to an electrical machine having a stator winding, its manufacturing method and manufacturing apparatus, wherein the winding is manufactured with a predetermined number of coils on automated winding machines and is then embossed in the region of the longitudinal sides of the coils such that the longitudinal sides (17b), which have a plurality of conductors, of the coils (17), in terms of their cross section, are pressed and deformed into the subsequent slot shape.

Abstract: The present invention relates to a method and a device for manufacturing a radial centering surface on an outer circumference of an annular laminated core of a stator, the centering surface (19; 35) being created by cutting. The present invention also relates to a stator (1; 109; 140) with centering surfaces (114; 148, 149) created by cutting, and an electrical machine (100) with a stator (109), which includes radial centering surfaces created by cutting.

Abstract: The invention relates to a manufacturing device for the forming under bending conditions of an electromagnetic element of an electrical machine, during which the electromagnetic element is formed from a disc set (5) that has been formed by bending. To this end, a first device (10) for bend-forming the disc set (5), and a second device (25) for completing the forming of the bent disc set (5) are provided. The second device (25) has a first subassembly (29) for axially fixing and pressing the disc set (5) and has a second subassembly (28) for radially centering and pressing the disc set (5).

Abstract: A strip-shaped lamella (10) for a stator (30) of an electric machine, having a yoke region (12) and a number of first teeth (18) that are of one piece with the yoke region (12) on a first side (14) and have first grooves (20) between them, and having second teeth (22) that are of one piece with the yoke region (12) on a second side (16) oriented away from the first side (14) and have second grooves (24) between them. The second teeth (22) are located at a position of the first teeth (18).

Abstract: A strip-shaped lamella (10) for a stator (30) of an electric machine, having a yoke region (12) and a number of first teeth (18) that are of one piece with the yoke region (12) on a first side (14) and have first grooves (20) between them, and having second teeth (22) that are of one piece with the yoke region (12) on a second side (16) oriented away from the first side (14) and have second grooves (24) between them. The second teeth (22) are located at a position of the first teeth (18).

Abstract: The method for making a stator includes making individual strip-shaped laminas (15) for it; stacking the laminas (15) to form a stator core (13) with grooves (18) on one side extending through the core; producing a subassembly by inserting a stator winding (17) into the grooves (18); bending the subassembly to form a cylindrical cavity so that the grooves (18) end in the cavity and connecting two ends (23) of the stator core (13) to each other by a welding seam (20) to maintain this configuration. To produce a welding seam of sufficient strength which does not exert excessive influence on magnetic properties, the welding seam depth (TS) is given by TS=0.5 mm*(Hyoke/mm?1)±?TS, wherein Hyoke is yoke height and ?TS is a tolerance value. An electric machine including the stator made by this method is also described.

Abstract: The present invention proposes a method for manufacturing a stator for an electric machine, in which strip-shaped laminations (21) are first stacked to form an essentially block-shaped lamination packet (40) that is then shaped into an annular form by means of roller bending in one of the subsequent steps; the annular form has an axial direction (a), which corresponds to a cylinder axis (z), and axial end surfaces (46). In another of the subsequent steps, the annular lamination packet (40) is plastically deformed in the axial direction (a) at least in some parts of the axial end surfaces (46). The present invention also proposes a stator for an electric machine, in particular a generator for motor vehicles, which is comprised of a stator yoke that is composed of rolled strip-shaped laminations (21) and has axial end surfaces (46). The stator yoke is plastically deformed in the axial direction (a) on the end surfaces (46).

Abstract: A striplike lamination (10) for a stator of an electrical machine is proposed, in which the striplike lamination has an end contour (19) on each strip end (18). The end contours (19) are embodied such that a difference in length at the lamination (10) resulting from bending can be compensated for.