In an aspect of the present disclosure is an electric aircraft motor with a fully welded rotor. The motor includes a stator and a rotor. The stator includes an inner cylindrical surface and an outer cylindrical surface. The rotor includes a cylindrical portion and spokes welded to the cylindrical portion. In another aspect of the present disclosure is a method for manufacturing a fully welded rotor.

A varnish impregnation device including: a lower housing in which a stator is seated in an internal space thereof, the stator including a stator core which has a plurality of teeth protruding inward or outward and has a slot that is a space between the teeth. A coil winding passes through the slot and is wound around the teeth. A second cover member is coupled to an upper outer portion of the stator core. The lower housing has a plurality of varnish supply holes which is formed to pass up and down through a lower surface thereof, and the plurality of varnish supply holes communicates with the slot.

A varnish impregnation method of a stator coil winding. The varnish impregnation method includes: a first step of maintaining an inside of a vacuum chamber to be in a vacuum state; a second step of injecting varnish into a slot of a stator core through a varnish supply hole formed in a lower housing of the varnish impregnation device; a third step of causing an air pressure within the vacuum chamber to come to equilibrium with an external air pressure, discharging the varnish from the vacuum chamber, and transferring the varnish again to the varnish storage tank; a fourth step of stopping the operation of the air pump when the discharge of the varnish from the vacuum chamber is completed; and a fifth step of separating the stator from the varnish impregnation device, withdrawing the stator from the vacuum chamber, and curing the varnish in a curing device.

A device for manufacturing a stator for a rotating electrical machine includes: a jig configured to create a state in which distal ends of one conductor piece and another conductor piece for forming the stator of the rotating electrical machine are in contact with each other and to form a tubular cavity that exposes the distal ends in contact with each other to outside; a laser radiation means configured to apply a laser beam from the outside through the cavity toward the distal ends in contact with each other; and a gas supply means configured to supply gas to the cavity.

An automatic wire inserting device for producing a flat wire stator includes a winding displacement tooling, winding displacement of flat wires; a material loading mechanism, loading each flat wire; a material transfer mechanism, clamping each flat wire loaded by the material loading mechanism, and arranging each flat wire on the winding displacement tooling; two wire coiling mechanisms, winding the flat wires into windings; a wire body, driving the winding displacement tooling to circularly move between a wire coiling mechanism and the material transfer mechanism, conveying the winding displacement tooling to the wire coiling mechanism, and moving the winding displacement tooling on which winding of the flat wires are completed by using the wire coiling mechanism to the material transfer mechanism; and a wire inserting mechanism, shaping a winding that is detached from the wire coiling mechanism and ejecting the shaped winding to be inserted into a stator.

A cutting, leveling, and welding device for a flat wire motor stator includes a material conveying line, a material transfer mechanism, a material conveying rotating disk, a tooling picking and placing mechanism, a pressing and fitting mechanism, a wire cutting mechanism, a welding mechanism, a locking mechanism, and a stator adjustment mechanism. The material conveying rotating disk is provided with working position holes arranged around the material conveying rotating disk, and the material conveying rotating disk is capable of rotating to drive a to-be-processed stator to rotate. The tooling picking and placing mechanism, pressing and fitting mechanism, wire cutting mechanism, and welding mechanism are arranged in sequence around and above the material conveying rotating disk and are corresponding to the working position holes. The to-be-processed stators on the material conveying line are continually conveyed to the material conveying rotating disk by using the material transfer mechanism.

A device for forming copper wires of a flat wire motor stator includes a loading mechanism, automatically discharging copper wire rolls and straighten copper wires; an enamel removal mechanism, automatically removing enamel on four side surfaces of the straightened copper wire; a chamfering mechanism, cutting away four edges of the enamel-removed copper wire at a same position; a wire feeding mechanism, automatically feeding the wires during processing of the loading mechanism, the enamel removal mechanism and the chamfering mechanism; a cut-off mechanism, cutting off the processed copper wire at a fixed length; a 2D forming mechanism, carrying out 2D forming on the copper wire that has been cut off at the fixed length; a transit mechanism, transferring the 2D-formed copper wire onto a 3D forming mechanism; the 3D forming mechanism, carrying out 3D punch forming on the 2D-formed copper wire; and an unloading part, collecting the 3D-formed copper wire.

The apparatus for manufacturing a laminated core of a motor according to the present invention includes a laminating unit 1 for forming a base material 100 into a lamina member 201 by continuous press processing, and laminating a plurality of lamina members 201 to manufacture a laminated core 200; a pre-treatment unit 2 installed in the back of the laminating unit 1 to coat an activator on the front surface of the base material 100; and a discharge conveyor 10 installed at one side of the laminating unit 1 to transfer the laminated core 200 manufactured in the laminating unit 1, wherein the base material 100 has an adhesive coating layer 102 on the front surface and back surface of an electrical steel sheet 101.

An apparatus for manufacturing a rotor includes a regulating jig and an operation unit. The regulating jig includes a tubular jig body and a support member. The jig body includes segments segmented in the circumferential direction. In a regulated state, segment surfaces of the segments adjacent to each other are inclined at a fixed angle relative to the radial direction. One of either the support member or the segments include shaft portions arranged in correspondence with the segments, and the other one of either the support member or the segments include insertion portions into which the shaft portions are respectively inserted. In the regulated state, the insertion portions extend and incline to be positioned outward in the radial direction toward one side in the circumferential direction. The operation unit applies force for moving in the circumferential direction to one of either the support member or one of the segments.

Shaping strip for forming an insulator, wherein the shaping strip has a main body having an upper side, and the shaping strip has first and second deflection elements projecting from the upper side of the main body. In a forming procedure of the insulator, in which the insulator is pushed in a thrust direction over the first and the second deflection elements, a first end of a first side of the insulator is pushed in the thrust direction along a second external side of the first deflection element, wherein the first deflection element folds over the first side of the insulator on a first target line, and subsequently one end of a second side of the insulator is pushed in the thrust direction along a second external side of the second deflection element and the second deflection element folds over the second side on a second target line.