JPS62125339U

JPS62125339U -

Info

Publication number: JPS62125339U
Application number: JP1343586U
Authority: JP
Priority date: 1986-01-30
Filing date: 1986-01-30
Publication date: 1987-08-08

Description

[Brief explanation of the drawing]

第１図、第２図は、この考案の一実施例による
回転電機の鉄心を示す図であり、第１図は回転子
鉄心のコアー板の平面部分図、第２図は第１図の
積層鉄心の斜視図、第３図〜第５図は、従来の回
転電機の鉄心を示す図で第３図は断面側面図、第
４図はコアー板の平面部分図、第５図は第４図の
積層鉄心の斜視図である。１は回転子鉄心、１ａ，１ｂはコアー板、２，
７は基準キー溝、３，９はブランク内径寸法、４
はキー溝レス構造の加工後の回転子鉄心内径寸法
、５，１０は仮軸、６，１１はキー、８は凹部、
４ａ，７ｂは削り代、２ａ，７ａはキー溝幅。な
お、図中、同一符号は同一又は相当部分を示す。 1 and 2 are diagrams showing the core of a rotating electrical machine according to an embodiment of this invention, FIG. 1 is a partial plan view of the core plate of the rotor core, and FIG. A perspective view of the iron core. Figures 3 to 5 are diagrams showing the iron core of a conventional rotating electrical machine. Figure 3 is a cross-sectional side view, Figure 4 is a partial plan view of the core plate, and Figure 5 is Figure 4. FIG. 2 is a perspective view of a laminated iron core. 1 is the rotor core, 1a and 1b are the core plates, 2,
7 is a reference keyway, 3 and 9 are blank inner diameter dimensions, 4
is the inner diameter of the rotor core after processing the keyway-less structure, 5 and 10 are temporary shafts, 6 and 11 are keys, 8 is the recess,
4a and 7b are cutting allowances, and 2a and 7a are keyway widths. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

A rotation in which a key groove is provided in the blank inner diameter of a substantially donut-shaped iron core plate, wherein the blank inner diameter is increased and a recess smaller than the key groove is provided at a predetermined portion of the blank inner diameter. The iron core of an electric machine.