Manufacturing method of stator punching
A technology of stator punching and manufacturing method, which is applied in the field of stator punching manufacturing, can solve the problems of smaller slot area, reduced efficiency, and small length, etc., and achieves the effects of convenient installation, improved efficiency, and increased length.
Inactive Publication Date: 2017-06-13
GUANGDONG WELLING ELECTRIC MACHINE MFG +1
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Problems solved by technology
[0002] It is pointed out in the related art that in the traditional motor stator punching, in order to maximize the utilization rate of the material, the stator structure is usually formed by double-row direct punching and then winding of the iron core. However, there are the following two problems : 1. When the winding groove is very deep, that is, when the groove area is large, the length of the tooth shoe is very small, so that the permanent magnet flux linkage cannot be fully utilized, and the efficiency cannot be better improved; 2. When the tooth When the shoe part is very long, the depth of the winding groove becomes shallower and the groove area becomes smaller. Under the same output condition, the copper loss becomes larger and the efficiency decreases.
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[0034] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0035] In describing the present invention, it should be understood that the terms "center", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", " Orientation indicated by Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Axial, Radial, Circumferential, etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply ...
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The invention discloses a manufacturing method of a stator punching piece, comprising: step A: stamping a punching section that can be bent into an arc by a stamping process; and step B: splicing at least two of the punching sections into a circular The step of stator punching, wherein the punching section includes a tooth shoe, and the step A further includes the step of: forming an extension piece under the tooth shoe that can be connected and installed to the end of the tooth shoe . According to the manufacturing method of the stator punching sheet of the present invention, the installation is convenient, and the length of the tooth shoe part is increased. When the stator stamping is applied to the stator, the permanent magnet flux linkage can be fully utilized, thereby improving the efficiency.
Description
technical field [0001] The invention relates to the technical field of motor manufacturing, in particular to a method for manufacturing a stator punch. Background technique [0002] It is pointed out in the related art that in the traditional motor stator punching, in order to maximize the utilization rate of the material, the stator structure is usually formed by double-row direct punching and then winding of the iron core. However, there are the following two problems : 1. When the winding groove is very deep, that is, when the groove area is large, the length of the tooth shoe is very small, so that the permanent magnet flux linkage cannot be fully utilized, and the efficiency cannot be better improved; 2. When the tooth When the shoe part is very long, the depth of the winding slot becomes shallower and the area of the slot becomes smaller. Under the same output conditions, the copper loss becomes larger and the efficiency decreases. Contents of the invention [000...
Claims
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IPC IPC(8): H02K15/02
Inventor陈金涛龚文胜
OwnerGUANGDONG WELLING ELECTRIC MACHINE MFG