A rotor includes a columnar rotor core extending in the axial direction, a rotor cover covering a radially outer side of the rotor core, and a resin portion covering a one-side end surface in the axial direction of the rotor core. The rotor cover includes a protruding portion protruding to one side in the axial direction with respect to the one-side end surface in the axial direction of the rotor core. The resin portion includes, on the radially outer side, an edge portion that protrudes to one side in the axial direction and is in contact with the radially inner side of the protruding portion.

A rotor includes a columnar rotor core extending in the axial direction, a rotor cover covering a radially outer side of the rotor core, and a resin portion covering a one-side end surface in the axial direction of the rotor core. The rotor cover includes a protruding portion protruding to one side in the axial direction with respect to the one-side end surface in the axial direction of the rotor core. The resin portion includes, on the radially outer side, an edge portion that protrudes to one side in the axial direction and is in contact with the radially inner side of the protruding portion.

A method, of manufacturing a stator of an axial gap motor, includes preparing a first substrate including a first hole in which a first coil is disposed, a second substrate including a second hole in which a second coil is disposed, the second substrate being stacked on the first substrate such that the second hole at least partially overlaps the first hole, and a blocking member being stacked on the second substrate such that the blocking member blocks the second hole from a side opposite to the first substrate, and integrating the first and second substrates, the first and second coils, and the blocking member by injecting a mold resin into the first and second holes from a side of the first substrate after the preparing.

A method, of manufacturing a stator of an axial gap motor, includes preparing a first substrate including a first hole in which a first coil is disposed, a second substrate including a second hole in which a second coil is disposed, the second substrate being stacked on the first substrate such that the second hole at least partially overlaps the first hole, and a blocking member being stacked on the second substrate such that the blocking member blocks the second hole from a side opposite to the first substrate, and integrating the first and second substrates, the first and second coils, and the blocking member by injecting a mold resin into the first and second holes from a side of the first substrate after the preparing.

A method of manufacturing a centrifugal wheel for a mixing or pumping device with a magnetically levitated centrifugal wheel, includes providing an impeller configured to be magnetically levitated, has and having a permanent magnetic core, permanent magnetic core completely enclosed by a sheathing, the sheathing including plastic, and a plurality of blades to mix or convey substances provided on the sheathing, removing all blades from the sheathing, separating the permanent magnetic core from the sheathing, the permanent magnetic core being demagnetized before the permanent magnetic core is separated from the sheathing, attaching an encapsulation including plastic, and which completely encloses the permanent magnetic core, and attaching a plurality of vanes to the encapsulation.

A method for manufacturing a rotor for devices having a magnetically levitated rotor includes providing an impeller configured to be magnetically levitated, has and having a magnetically active core, is the magnetically active core completely enclosed by a sheathing, the sheathing comprising a plastic, and at least one impeller element configured to interact with substances is provided on the sheathing, providing a magnetization device to demagnetize or magnetize the magnetically active core, the magnetization device comprising a receptacle into which the impeller or the rotor is capable of being inserted, inserting the impeller into the receptacle and demagnetizing the magnetically active core, separating the magnetically active core from the sheathing, attaching an encapsulation to the magnetically active core, the encapsulation comprising a plastic and completely enclosing the magnetically active core, and attaching at least one conveyor element to the encapsulation.

A method for manufacturing a rotor for devices having a magnetically levitated rotor includes providing an impeller configured to be magnetically levitated, has and having a magnetically active core, is the magnetically active core completely enclosed by a sheathing, the sheathing comprising a plastic, and at least one impeller element configured to interact with substances is provided on the sheathing, providing a magnetization device to demagnetize or magnetize the magnetically active core, the magnetization device comprising a receptacle into which the impeller or the rotor is capable of being inserted, inserting the impeller into the receptacle and demagnetizing the magnetically active core, separating the magnetically active core from the sheathing, attaching an encapsulation to the magnetically active core, the encapsulation comprising a plastic and completely enclosing the magnetically active core, and attaching at least one conveyor element to the encapsulation.

A method of forming a retention structure including magnetic regions and non-magnetic regions includes positioning one or more magnetic materials over one or more magnets of a rotor assembly and positioning one or more non-magnetic materials over one or more spacers, the spacers being positioned between the one or more magnets. The method also includes forming a cylindrical retention structure sized to fit around the one or more magnetic materials and the one or more non-magnetic materials. Forming the cylindrical retention structure is implemented via a three-dimensional printing process.

A method for manufacturing a hollow shaft motor according to the present invention includes: a step S11 of preparing a stator assembly 10 by coupling a stator 11 and a busbar unit 12; and a step S12 of molding a motor housing 20 around the stator assembly 10 by insert injection molding.

A method for manufacturing a hollow shaft motor according to the present invention includes: a step S11 of preparing a stator assembly 10 by coupling a stator 11 and a busbar unit 12; and a step S12 of molding a motor housing 20 around the stator assembly 10 by insert injection molding.