Robert Boschgmbh

Seg Automotive Germany Gmbh

Martin Henne

Klaus Pflueger

Eberhard Rau

Thomas Berger

Helmut Kreuzer

Klaus Herbold

Christoph Schwarzkopf

Wolfgang Harrer

Steffen Didra

Rob Berry

Erberhard Rau

Adam Willmott

Alan Fussey

Williams Neil

Rolf-Dieter Hahn

Method for stamping multiple coil sides () for a stator winding (), characterized in that the multiple coil sides () are arranged in a grooved row (), the shaping process taking place at a force (F), the direction of which runs at an angle (&#x3b1;) greater than zero relative to the grooved row ().

Method for stamping coil sides of a stator winding

Stator winding () comprising multiple phase windings (). A phase winding has at least two partial phase windings () which include coils () and coil connectors () that run parallel.

Stator winding comprising multiple phase windings

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.

Method for producing a stator winding of an electric machine, in particular an alternator

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.

Radial centering surface of a stator core

A method for manufacturing a stator core () for an electric machine, in which a plurality of strip-shaped laminations () are first stacked to form an essentially block-shaped lamellas packet () 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 (), wherein in another of the subsequent steps, the annular lamination packet () is plastically deformed in the axial direction (a) only on the outer teeth () of the axial end surfaces ().

Method for production of a stator and stator produced according thereto

The manufacturing device for bending an electromagnetic element of an electrical machine, which includes a stator lamination (), has a first device () for bending the stator lamination () to form a pre-curved stator lamination and a second device () for final forming of the pre-curved stator lamination. The second device () includes a first assembly () 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 () includes a bending mandrel () around which the stator lamination () bendable, which has an outer diameter that is larger than an inner diameter of the fully bent electromagnetic element.

Manufacturing device for bending an electromanetic element of an electrical machine

The method for making a stator includes making individual strip-shaped laminas () for it; stacking the laminas () to form a stator core () with grooves () on one side extending through the core; producing a subassembly by inserting a stator winding () into the grooves (); bending the subassembly to form a cylindrical cavity so that the grooves () end in the cavity and connecting two ends () of the stator core () to each other by a welding seam () 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 (T) is given by T=0.5 mm*(H/mm&#x2212;1)&#xb1;&#x394;T, wherein His yoke height and &#x394;Tis a tolerance value. An electric machine including the stator made by this method is also described.

Method of making a stator of an electrical machine

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

Strip-type segment and laminated stator core for an electrical machine

A method for producing a magnetically excitable core for an electrical machine, by which in a method step (S), the core, having a substantially parallelepiped shape with slots extending parallel on one side, is furnished, into whose slots, in a method step (S), the core winding is inserted by its winding sides, and then in a method step (S), 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.

Method for producing a magnetically excitable core comprising a core winding for an electric machine

A strip-shaped lamella () for a stator () of an electric machine, having a yoke region () and a number of first teeth () that are of one piece with the yoke region () on a first side () and have first grooves () between them, and having second teeth () that are of one piece with the yoke region () on a second side () oriented away from the first side () and have second grooves () between them. The second teeth () are located at a position of the first teeth ().

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Moeglingen, Germany

Martin Henne