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Motor

A motor and shape technology, applied in the field of motors, can solve problems such as difficulty in uniformly coating resin

Inactive Publication Date: 2018-12-18
FANUC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, when the resin is applied to the side surface of the stator core while rotating the stator core around the rotation axis of the motor, it may be difficult to apply the resin uniformly.

Method used

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Embodiment Construction

[0012] Hereinafter, the motor of the present invention will be described in detail by giving preferred embodiments and referring to the drawings.

[0013] [Structure of Embodiment]

[0014] figure 1 It is a perspective view showing the appearance of the motor 10 of this embodiment. The motor 10 has: a stator core 12; a first housing 14 mounted on one end of the stator core 12 along the rotational axis (Y direction) of the motor 10; a second housing 16 mounted on the end of the stator core 12 along the Y direction The other end of the stator core 12; and a bearing bracket 18 installed in the end of the second housing 16 on the side opposite to the stator core 12 along the Y direction.

[0015] The outer peripheral surface (side surface) of the stator core 12 is exposed to the outside, and constitutes the outer shape of the motor 10 . Resin is coated on the outer peripheral surfaces of the stator core 12 , the first case 14 , the second case 16 , and the bearing bracket 18 . ...

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Abstract

The invention provides a motor (10). The outer shape of the motor (10) is constituted by a stator core (12). In a cross-sectional view perpendicular to the direction of a rotary shaft (26) of the motor (10), the outer shape of the stator core (12) is of a shape in which the four corners of a quadrangle are removed. The outer shape of the stator core (12) at each of respective portions (48) from which the four corners have been removed is formed by two straight lines (50), and angles (alpha) formed between the straight lines and adjacent sides (52) of the quadrangle are greater than 90 degreesand less than 135 degrees.

Description

technical field [0001] The present invention relates to a motor whose outer shape is constituted by a stator core. Description of related technologies: [0002] Japanese Patent Application Laid-Open No. 2014-082885 discloses that, in a cross-sectional view perpendicular to the rotation axis direction of the motor, the external shape of the motor is a shape in which four corners of a quadrilateral are removed. Background technique [0003] In the motor of the above-mentioned publication, in the stator core, each part of the four corners of the quadrilateral is removed and the adjacent quadrilateral side parts remaining after the removal of the four corners (hereinafter also referred to as "adjacent quadrilateral sides") are formed. The angle formed is 90°. As a result, when the motor is mounted on the processing machine, the cutting fluid adhering to the motor may stagnate in the removed parts. In this case, housings are respectively attached to both end portions of the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/16
CPCH02K1/16H02K2213/03H02K15/024H02K5/10
Inventor 细田明广
Owner FANUC LTD