A method for gapping a magnetic component is disclosed. The method includes: forming a feature on a substrate, the feature being a depression defining an inside surface; disposing a first conductive pattern on the substrate and the inside surface of the feature; disposing a permeability material on the inside surface of the feature and the first conductive pattern; disposing a substrate material on the substrate and the feature; disposing a second conductive pattern on the substrate material to wrap the permeability material between the first conductive pattern and the second conductive pattern to define at least one electrical circuit to facilitate a magnetic field in the permeability material; and gapping the permeability material to remove at least a portion of the permeability material to produce a gap in the at least a portion of the permeability material.

A yokeless stator for an axial flux machine, comprising a housing, the housing comprising a circumferential portion and a plurality of elongated portions extending radially inwards therefrom, and a plurality of discrete stator teeth arranged within the circumferential portion, each discrete stator tooth comprising a ferromagnetic material and an electrical winding; the housing further comprising an electrically isolating filling material filling empty space inside the housing. The circumferential portion of the housing is made of a first non-ferromagnetic material and the elongated portions are made of a second non-ferromagnetic material. The housing comprises a laminated structure, which comprises at least part of the plurality of inwardly directed elongated portions.

In a method for producing stacks of laminations, in which at least one adhesive is applied onto annular laminations with at least one application head and laminations are stacked into a stack of laminations, the lamination is rotated about its axis in the application area of the application head and/or the application head is moved about the axis of the lamination in order to apply the adhesive onto the lamination. A system for carrying out the method features at least one punching tool, with which laminations are punched out of a sheet metal material, wherein at least one station for cleaning and/or for activating and/or for applying an adhesive onto the laminations is arranged downstream of the punching tool.

This disclosure relates to a method for manufacturing a workpiece for a segmented laminated core. This method includes (A) feeding a plate for processing drawn from a roll thereof to a progressive die and (B) stamping out a workpiece in the progressive die, the workpiece including a plurality of pieces aligned in the circumferential direction with a circumferential part. At the step (B), an overall portion configured to be each piece of the workpiece is displaced in the thickness direction of the plate for processing, with portions on both sides of the piece being fixed, to form at least one cutting line across a region configured to be the circumferential part.

A method of manufacturing a laminated core includes supplying a stator material to a punching device and obtaining an electromagnetic steel plate corresponding to a rectangular processed body by punching the stator material. To obtain the electromagnetic steel plate ES, a slit is formed outside a processed body forming area in the stator material along a long side of the processed body forming area, and a center portion of the processed body forming area is punched out in a circular shape. Additionally, the processed body forming area is punched out after the slit is formed and the center portion is punched out. The laminated core is obtained by laminating and fastening a plurality of the electromagnetic steel plates.

A method of manufacturing a laminated iron core includes: inserting a plurality of electrical steel strips in a superposed state to feed rolls including a pair of upper and lower feed rolls that are driven by a drive device to feed the electrical steel strips in a superposed state into a die having a plurality of punching processes in sequence; joining a part or all of the superposed electrical steel strips together before entering the die or at an upstream stage portion of the die after feeding out the electrical steel strips from the pair of upper and lower feed rolls; and punching simultaneously the plurality of electrical steel strips in a superposed state in the die.

Numerous arrangements for permanent magnets are disclosed that can focus the flux produced by the magnets. Depending on the particular application in which the disclosed designs and techniques are used, efficiency and reliability may be increased by minimizing flux leakage, increasing peak flux density, and shaping the flux fields to improve the effective coercivity of the flux focusing permanent magnet arrangement when loaded, and to achieve customized voltage and current waveforms. The disclosed magnet assemblies may be incorporated into a machine, such as a motor/generator, having windings and may be disposed for movement relative to the windings. The magnet assembly may be mounted on a support formed of one or more ferromagnetic materials, such as a back iron. The disclosed flux focusing magnet assemblies may be formed using a variety of manufacturing methods.

In a method for producing stacks of laminations, in which at least one adhesive is applied onto annular laminations with at least one application head and laminations are stacked into a stack of laminations, the lamination is rotated about its axis in the application area of the application head and/or the application head is moved about the axis of the lamination in order to apply the adhesive onto the lamination. A system for carrying out the method features at least one punching tool, with which laminations are punched out of a sheet metal material, wherein at least one station for cleaning and/or for activating and/or for applying an adhesive onto the laminations is arranged downstream of the punching tool.

A device and a method for connecting sheet metal parts to form lamination stacks are demonstrated, in which sheet metal parts are stamped out of an electrical steel strip by means of at least one stamping stage, which has a die and a cutting edge that cooperates with the die, and the stamped-out sheet metal parts are stacked and at least integrally joined to form a plurality of lamination stacks; at least between a first sheet metal part of the stacked sheet metal parts and the subsequent second sheet metal part of the stacked sheet metal parts, a separating element is provided in order to facilitate the separation of the integrally joined sheet metal parts in lamination stacks. In order to improve the reproducibility of the method, when applying the separating element, it is proposed that after the first sheet metal part is stamped out and before the second sheet metal part is stamped out, the separating element which, in accordance with the die geometry, is smaller or of the same size is conveyed to the die, is inserted into said die, and is thus provided to the first sheet metal part.

Provided is a method of manufacturing laminated steel plates by laminating a plurality of steel plates, the method including an application process of applying an adhesive agent on a surface of each of the steel plates, and a lamination process of laminating a steel plate, to which the adhesive agent is applied, and another steel plate while shifting positions of the steel plates about an axis with each other, and causing the steel plate to adhere to a laminated body using the adhesive agent, wherein, in the application process, the adhesive agent is applied such that the adhesive agent becomes in a shape that is continuous about a central axis when the steel plate and the other steel plate are adhered by the adhesive agent in the lamination process.