A coil feeding apparatus is configured to feed a material coil in a predetermined direction to manufacture a hairpin of a motor. The coil feeding apparatus includes a base plate provided on an upper surface thereof with a base rail and a guide rail connected to each other to form a straight path, a feeding module provided so as to reciprocate along the base rail and provided with a plurality of feeding grippers configured to grip the material coil, a fixed module disposed downstream of the feeding module on a feeding path of the material coil while being spaced a predetermined distance from the feeding module and provided with a fixed gripper configured to grip the material coil, and a guide module disposed between the feeding module and the fixed module to guide the material coil so that the material coil is fed straight.

A rotor, in particular for a current-excited electric machine, comprising a winding, wherein on or against the winding is arranged a support element made of a composite material comprising matrix material and fiber material.

Provided is an array device for a hairpin type stator coil. The array device, configured to array hairpin type stator coils on at least one array jig transported through a conveyor, may include i) a frame, ii) at least one magazine that is arranged in a magazine stack part installed in the frame and has the stator coils loaded along a set loading direction, iii) a magazine loading unit that is installed in the frame to load the at least one magazine into a magazine tilting part arranged in front of the magazine stack part, iv) at least one buffer unit that is arranged in front of the magazine tilting part, v) at least one cartridge unit that is arranged in front of the at least one buffer unit, and vi) a coil insertion unit that is arranged in front of the at least one cartridge unit to insert the stator coils.

A method of manufacturing a rotor, including: a ring-shaped magnet forming step of forming a ring-shaped magnet by arranging a plurality of segment magnets that have been magnetized, in a ring shape; an insertion step of inserting a shaft serving as a rotary shaft into a through hole of the ring-shaped magnet from an end portion of the shaft on an axial of the shaft; and a sleeve mounting step of mounting a sleeve for fixing the ring-shaped magnet to the shaft, to an outer periphery of the ring-shaped magnet positioned around an outer periphery of the shaft.

A rotor of a dynamo-electric permanently excited machine has a predefinable number of poles, with the laminated core having laminations, which each form sectors with at least two different configurations in a predefinable axial order and rotation or axial order and rotation and overlap. The laminations, independent of the configuration of the sectors, each have a shaft bore, an identical number of poles or sectors, axially aligned cut-outs and an identical outer diameter. Sectors of a first configuration have elements for distributing a potting compound or an adhesive within the laminated core, and sectors of a second configuration have retaining elements for mechanical strength of the laminated core. The flux barriers and gaps running substantially axially between the permanent magnets and the laminated core surrounding same, are filled with the adhesive and/or a potting compound.

An example system includes: an electric motor; a mechanical device coupled to, and actuatable by, the electric motor; and an electronics module comprising: (i) a motor controller controlling the electric motor, and (ii) an actuator board that is electrically coupled to the motor controller, wherein the motor controller is removable and replaceable, wherein the actuator board remains attached to the system when the motor controller is removed and replaced, wherein the actuator board comprises (i) a memory storing one or more settings associated with the electric motor, or (ii) an identifier, wherein when a replacement motor controller is electrically connected to the actuator board, the replacement motor controller receives the one or more settings from the memory of the actuator board or receives the identifier, which allows the motor controller to retrieve the one or more settings.

A manufacturing method for a laminated iron core, the manufacturing method includes: a punching process of punching a metal sheet to form a plurality of punched members including a first punched member and a second punched member; and a laminating process of forming a laminated body by laminating the plurality of punched members while changing a rotational lamination angle each time one or more punched members are laminated. In the laminating process, the plurality of punched members are laminated such that the rotational lamination angle is the same between the first punched member and the second punched member adjacent to each other in a boundary portion between two or more of the first punched members that are continuously laminated and two or more of the second punched members that are continuously laminated.

A method for manufacturing a rotor assembly of a canned motor pump includes: providing an injection mold; a heat press apparatus, a rotor unit and a rotor base seat; disposing the rotor unit in a mold cavity of the mold to be positioned by an injector pin unit; injecting a plastic material into the cavity to be formed as an overmolding unit which covers the rotor unit and a portion of the injector pin unit; removing a semi-finished product which has a rotor-side connecting part; and disposing the rotor base seat on the rotor-side connecting part, and disposing them in the heat press apparatus for performing heating and pressing operations such that the rotor base seat is bonded to the semi-finished product in thermal welding and pressing processes.

A method for manufacturing an assembly including a stator and a housing circumferentially surrounding the stator includes inserting the stator into the housing, fastening the stator to an inside of the housing, and vacuum impregnating the assembly including the stator and the housing in a vacuum impregnation system.

The apparatus includes: a positioning jig configured to position the magnet, the positioning being based on reference surfaces defined by two inner surfaces that contact two adjacent lateral surfaces of the magnet; an opening position acquisition device configured to acquire position information of an opening of the magnet insertion hole; a transport device configured to transport both the positioning jig and the opening position acquisition device; a pushing device configured to push the magnet; and a control device. The control device is configured to: detect positions of two adjacent sides of the opening, based on the position information of the opening of the magnet insertion hole, transport the positioning jig such that positions of the reference surfaces match the positions of the two sides of the opening, and insert the magnet into the magnet insertion hole.