JP2005110464A5 - - Google Patents

Claims (10)

And shaped the stator teeth of the T which wires such as copper wires is wound, continuous integrally formed with the respective stator tea scan, the status core anda each core-back to form a magnetic flux path of the wire, the An electric motor characterized in that an assembly groove is provided on the outer side end face of the core back so as to determine the horizontal and vertical positions of the stator teeth, and has a function as a winding reference for the wire or a lamination reference for the core. Stator core. 2. The stator core of the electric motor according to claim 1, wherein both sides of the assembly groove portion are provided so as to spread from an outer side end surface of the core back toward the stator teeth, and have a chucking function of the core back. . 3. The electric motor according to claim 2, wherein the assembly groove portion has a trapezoidal shape, and both ends of the assembly groove portion are formed such that an upper base of the trapezoid is located on an outer peripheral side end surface of the core back. Stator core. 4. The stator core for an electric motor according to claim 3, wherein an angle relaxation side is provided at a front end portion of both sides of the assembly groove portion to relax an angle formed by an outer peripheral side end surface of the core back and the both sides. 4. The stator core for an electric motor according to claim 3, wherein the assembly groove portion has a trapezoidal shape, and the angle relaxation side is formed as a straight side substantially perpendicular to the upper base of the trapezoid. The stator core of the electric motor according to claim 4 or 5, wherein a tip portion of the angle relaxation side or a tip portion of both sides of the assembly groove portion is rounded. The stator core for an electric motor according to any one of claims 2 to 6, wherein an inner angle of the assembly groove is formed as an obtuse angle. 2. Each core back has a structure in which each core back is divided, and a hinge portion is provided on each core back, and the core back is bent for each core back adjacent to each other. The stator core of the electric motor according to any one of 7 to 7. And each stator tooth shape of T, wire such as copper wires are wound, this consists of a respective stator tea scan each core-back which is continuously and integrally molded, these with each tooth and each core back along the annular direction In the stator core divided into a plurality of sections, the outer peripheral side end face is formed over the outer peripheral side end face of the core back while punching each T-shaped stator tooth from the band-shaped silicon steel sheet, and the winding reference of the wire Or the manufacturing method of the stator core of the electric motor which processes the assembly groove part which functions as a lamination | stacking reference | standard of the said core. And each stator tooth shape of T, wire such as copper wires are wound, this consists of a respective stator tea scan each core-back which is continuously and integrally molded, these with each tooth and each core back along the annular direction In the stator core divided into a plurality of portions, the outer peripheral side end surface is formed with the outer end side end surface of the core back while punching each T-shaped stator tooth from the band-shaped silicon steel sheet, and the winding reference of the wire or Processing an assembly groove that functions as a stacking reference for the core, and processing an angle relaxation side that relaxes an angle of the overhang formed on both sides of the outer peripheral side end surface of the core back and the assembly groove. A method for manufacturing a stator core of an electric motor.