Apparatus and method for assembling an electric motor

The apparatus and method provide a solution for precise alignment of rotors and stator in axial flux type motors by using movable support devices and axial alignment means, addressing the complexity and magnetic interference in assembly, facilitating easy and optimal motor assembly.

JP2026518057APending Publication Date: 2026-06-03IMA IND MASCH AUTOMATICHE SPA

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
IMA IND MASCH AUTOMATICHE SPA
Filing Date
2024-04-12
Publication Date
2026-06-03

AI Technical Summary

Technical Problem

The assembly of axial flux type motors is complex due to the attractive and repulsive forces between rotors, making precise alignment difficult, especially for non-specialized workers, and existing methods struggle to maintain a stable relative position between the stator and rotors.

Method used

An apparatus and method involving a support structure with movable support devices and axial alignment means to align rotors with the stator, using slide shafts and carriages equipped with axial alignment grooves and coupling members to maintain a predetermined angular position, ensuring precise alignment despite magnetic forces.

Benefits of technology

Enables easy and precise assembly of axial flux type motors by non-specialized workers, maintaining optimal performance and alignment between rotors and stator, overcoming the challenges of magnetic interference.

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Abstract

Apparatus (10) for assembling an electric motor (100) comprising a stator (101) and two rotors (102, 103) connected to a drive shaft (106) rotatable relative to the stator (101) and positioned on each side of the stator (101), wherein the apparatus (10) comprises a support structure (11) fixed to a base (20), the support structure (11) configured to support the stator (101) and the drive shaft (106), and the apparatus (10) further comprises first and second movable support devices (12, 13), each supporting a corresponding rotor (102, 103) and moving toward the support structure (11) along a movable axis (X).
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