Prefabricated stator laminations and stator laminations, stators and motors with them
A stator punching and pre-setting technology, which is applied in the manufacture of stator/rotor bodies, motor generators, electrical components, etc., can solve the problems of low utilization rate of iron core materials, insufficient slot bottom width, and large slot openings, etc., to achieve Improve material utilization, improve overall performance, and increase the effect of activity space
Active Publication Date: 2017-10-27
GUANGDONG WELLING ELECTRIC MACHINE MFG +1
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Problems solved by technology
However, this manufacturing method not only makes the utilization rate of the iron core material low, but also the slot fullness rate of the motor winding slot is not high, and due to the requirements of the machine winding, the slot opening needs to be large, which affects the improvement of the motor performance
[0003] For the manufacture of the stator by the strip-shaped split iron core process, the tooth shoe part of the stator with a smaller slot opening is longer. If the double-row stator hedging method is used, the width of the slot bottom is not enough and it is difficult to realize; if the single-row punching method is used , more waste is generated and the material utilization rate is lower
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[0031] 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 and are intended to explain the present invention and should not be construed as limiting the present invention.
[0032] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself...
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The invention discloses a prefabricated stator punched piece, a stator punched piece, a stator and a motor with the same. The prefabricated stator punched piece comprises a punched piece section which comprises a linear yoke portion and multiple tooth portions, the linear yoke portion can be bent to be arc-shaped, the tooth portions are arranged on the linear yoke portion along the length direction at intervals, each tooth portion comprises two sub tooth portions which can rotate to positions perpendicular to the linear yoke portion relatively to the linear yoke portion, and one end, away from the linear yoke portion, of each sub tooth portion is provided with a tooth shoe portion. The prefabricated stator punched piece is convenient to machine, and material utilization rate of punched piece base materials is increased effectively; according to the prefabricated stator punched piece, size of groove openings can be designed flexibly according to actual needs, moving space of a wire winding head is increased, convenience is brought to wire winding, and groove space factor is increased.
Description
technical field [0001] The invention relates to the technical field of motor manufacturing, in particular to a predetermined stator punching piece, a stator punching piece with the stator punching piece, a stator and a motor. Background technique [0002] In the related art, the stator of the motor is generally processed by integral blanking, and then wound on the machine. However, this manufacturing method not only makes the utilization rate of the iron core material low, the slot fullness rate of the motor winding slot is not high, but also due to the requirements of the machine winding, the slot opening needs to be large, which affects the improvement of the motor performance. [0003] For the manufacture of the stator by the strip-shaped split iron core process, the tooth shoe part of the stator with a smaller slot opening is longer. If the double-row stator hedging method is used, the width of the slot bottom is not enough and it is difficult to realize; if the single-r...
Claims
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IPC IPC(8): H02K1/12H02K1/14H02K15/02H02K15/095
CPCH02K1/148
Inventor 李节宝王飞龚文胜吴迪陈金涛
Owner GUANGDONG WELLING ELECTRIC MACHINE MFG