CN104935124A - Implementation method for segmented inclined rotor of servo motor - Google Patents

Implementation method for segmented inclined rotor of servo motor Download PDF

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Publication number
CN104935124A
CN104935124A CN201510362805.5A CN201510362805A CN104935124A CN 104935124 A CN104935124 A CN 104935124A CN 201510362805 A CN201510362805 A CN 201510362805A CN 104935124 A CN104935124 A CN 104935124A
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rotor
segmented
oblique
servomotor
iron core
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CN104935124B (en
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徐军
董金宝
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SHANGHAI LEIZHI MOTOR Co Ltd
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SHANGHAI LEIZHI MOTOR Co Ltd
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Abstract

The invention discloses an implementation method for a segmented inclined rotor of a servo motor. The implementation method comprises the following steps of: firstly, laminating into a segmented rotor core by using rotor punching sheets corresponding to the cross section of the segmented inclined rotor of the servo motor; secondly, sequentially laminating a plurality of segments of segmented rotor cores into a segmented inclined rotor core according to an inclined angle of the segmented inclined rotor; and finally, pressing a rotary shaft into the segmented inclined rotor core, and adhering magnetic steel onto the surface of the segmented inclined rotor core. According to the implementation method for the segmented inclined rotor of the servo motor, disclosed by the invention, the corresponding segmented inclined rotor of the servo motor is formed based on the rotor punching sheets, cogging torque is reduced, and meanwhile, the production efficiency and the consistency of magnetic steel performance of the motor are improved.

Description

The implementation method of the oblique rotor of a kind of servomotor segmented
Technical field
The present invention relates to the oblique rotor of servomotor segmented, be specifically related to the manufacture craft of the oblique rotor of segmented.
Background technology
Cogging torque is one of peculiar problem of permanent-magnet servo motor, the torque that when it is permanent magnet motor stator winding no power, the interphase interaction of epitrochanterian permanent magnet and stator core produces.Its existence can make magneto operationally produce torque pulsation, and causes the vibration & noise of motor, has a strong impact on the use of servomotor in high performance servo system.
At present, market there is the oblique rotor structure of a kind of segmented for reducing servomotor cogging torque, see Fig. 1, the assembly of the oblique rotor of existing segmented comprises filled circles steel rotor 1 and magnet steel 2, wherein, filled circles steel rotor 1 is for directly to process with round steel, and the magnet steel 2 do not magnetized first is bonded in rotor surface, magnetizes after waiting sticky magnet steel adhesive curing good again.
There is following problem in the rotor formed thus:
1. ratio of inertias is comparatively large, can have influence on the high responsiveness of servo system;
2., when segmentation is many, during sticky magnet steel, need a lot of frock to ensure the accurate of magnet steel angle of inclination;
3. magnetize after the oblique rotor magnetic steel of this segmented, very high to the designing requirement of magnetized head, cost is higher; Moreover the technology of current this respect is not also very ripe, the consistency of the magnetic property of the magnet steel magnetizing out is not fine.
Summary of the invention
The problem existing for filled circles steel rotor is adopted for the oblique rotor of existing servomotor segmented, the object of the present invention is to provide the implementation method of the oblique rotor of a kind of servomotor segmented, the oblique rotor of corresponding servomotor segmented can be formed based on rotor punching by method, while reducing cogging torque accordingly, also improve the consistency of production efficiency and magnetic steel of motor performance.
In order to achieve the above object, the present invention adopts following technical scheme:
An implementation method for the oblique rotor of servomotor segmented, the method comprises the steps
(1) first, the rotor punching corresponding with the oblique rotor cross-section of servomotor segmented is utilized to laminate into segmentation rotor core;
(2) then, the segmented rotor iron core of some sections is laminated into the oblique rotor core of segmented successively according to the rake angle of the oblique rotor of servomotor segmented;
(3) last, in the oblique rotor core of segmented, be pressed into rotating shaft, and at the sticky magnet steel in segmented oblique rotor core surface.
Preferably, the rotor punching in described step (1) offers the fabrication hole of corresponding size according to servomotor inertia, the inner some location notchs having equal angular of being separated by by rotor segment institute rake angle of fabrication hole.
Preferably, described rotor punching comprises a round rotor punching body, axis hole is offered in the middle part of this round rotor punching body, its surrounding offers some fabrication holes, some fabrication holes are two symmetrical centered by the round rotor punching body center of circle, symmetrical at least one pair of two symmetrical fabrication hole offer some location notchs wherein, the number of location notch is identical with rotor core segments, and the angle of being separated by between the center line of adjacent positioned groove is identical with the angle be staggered between adjacent two-stage rotor.
Preferably, by high speed stamping, some rotor punchings are laminated into the segmented rotor iron core of required length in described step (1).
Preferably, coordinated with the location notch in the punching of segmented rotor iron core rotor by segmentation laminating tool in described step (2), some sections of segmented rotor iron cores are laminated successively according to same direction rake angle successively on segmentation laminating tool, forms the oblique rotor core of segmented thus.
Preferably, the segmentation laminating tool in described step (2) comprises:
Disc base, the through hole corresponding with the oblique rotor shaft of servomotor segmented is offered at the middle part of described disc base;
Two guide upright posts, the cross section structure of described two guide upright posts is corresponding with fabrication hole on rotor punching, and what two guide upright posts were relative is arranged on disc base, and both relative setting positions are corresponding with the fabrication hole offering location notch in rotor punching; Guide upright post is also arranged the positioning boss matched with location notch on rotor punching.
Preferably, when laminating segmented rotor iron core in described step (2), every section of segmented rotor iron core is according to the rake angle of the oblique rotor of segmented, location notch corresponding on it is selected to coordinate with the guide upright post on segmentation laminating tool, and entirety is set on the guide upright post of segmentation laminating tool, realizes segmented rotor iron core and laminate successively according to same direction rake angle.
The implementation method of the oblique rotor of servomotor segmented provided by the invention forms the oblique rotor of corresponding servomotor segmented based on rotor punching, also improves the consistency of production efficiency and magnetic steel of motor performance while reducing cogging torque accordingly.
In addition, this method is relative to prior art, tool has the following advantages: by corresponding rotor punching and the oblique laminating tool of segmentation, the fabrication hole making servomotor inertia can open corresponding size as required voluntarily on rotor punching designs, and the work that the oblique rotor of segmentation laminates also is more prone to operation; And facilitate the magnet steel of bonding magnetic of substituting the bad for the good, while effectively reducing cogging torque, also can ensure High-efficient Production and under the existing technology that magnetizes, ensure the consistency of magnetic steel of motor magnetic property.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of the oblique rotor of existing servomotor segmented;
Fig. 2 is the structural representation of the oblique rotor of servomotor segmented in example of the present invention;
Fig. 3 is the structural representation of example rotor of the present invention punching;
Fig. 4 is the structural representation of sectional type rotor iron core in example of the present invention;
Fig. 5 is the structural representation of laminating tool in example of the present invention;
Fig. 6 is the closed assembly schematic diagram of sectional type rotor iron core in example of the present invention;
When Fig. 7 is closed assembly sectional type rotor iron core in example of the present invention, the schematic diagram of press-in rotating shaft;
Fig. 8 is the oblique rotor condition schematic diagram of segmented when exiting laminating tool in example of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
The present invention forms the oblique rotor of servomotor segmented by adopting a kind of rotor punching corresponding with the oblique rotor cross-section of servomotor segmented to laminate, and first it utilize some rotor punchings to laminate into the sectional type rotor iron core of corresponding length side by side; Then the some sections of sectional type rotor iron cores laminated are being utilized to laminate into the oblique rotor core of segmented according to the rake angle of the oblique rotor of servomotor segmented successively with direction; Finally be pressed into rotating shaft again and paste magnet steel.
During specific implementation, first, for the oblique rotor of servomotor segmented, design a kind of rotor punching corresponding with the oblique rotor cross-section of servomotor segmented, the symmetry this rotor punching designing as required rotor inertia sets corresponding fabrication hole, and have circular arc location notch at two opposite side fabrication holes edge on one side, the number of location notch is identical with the segments of the oblique rotor core of segmented, and angle oblique between the angle of being separated by between the center line (i.e. the center of location notch and the line between the rotor punching center of circle) of adjacent positioned groove and adjacent two-stage rotor is the same.
Then, by high speed stamping, some rotor punchings are laminated into side by side the sectional type rotor iron core of specific length, because this sectional type rotor iron core is overrided to form side by side by some rotor punchings, therefore this sectional type rotor iron core have corresponding fabrication hole and location notch (by the fabrication hole on some rotor punchings and location notch and be overrided to form).
Again then, iron core laminated frock is first put one piece of rotor core baffle plate, then being alignd to coordinate with rotor iron core laminated frock by first location notch on the fabrication hole of first paragraph sectional type rotor iron core press-fits; Then by follow-up sectional type rotor iron core successively by by location notch adjacent on fabrication hole on it (as when press-fiting second segment sectional type rotor iron core, second location notch on iron core is utilized to align to coordinate with rotor iron core laminated frock and press-fit, the like) aliging to coordinate with rotor iron core laminated frock press-fits; Complete thus and some sections of segmented rotor iron cores are laminated successively according to same direction rake angle successively on segmentation laminating tool, form the oblique rotor core of segmented; When all segmented rotor iron cores press-fit well in rotor iron core laminated frock, then put one piece of iron core baffle plate.
Again then, rotating shaft is pressed into the oblique rotor core of segmented, then exits the frock that iron core press-fits, thus oblique for segmented rotor core is assembled;
Finally, magnet steel is directly glued in the surface on the oblique rotor core of the segmented assembled, assembling obtains the oblique rotor of servomotor segmented thus.
For above-mentioned packaging technology, further illustrate below by way of an instantiation.
See Fig. 2, the oblique rotor of servomotor segmented related in this example adopts the oblique rotor of segmented of three-stage structure.
As seen from the figure, the oblique rotor of this servomotor segmented 20 mainly comprises rotating shaft 21, front rotor core baffle plate 22, magnet steel 23, segmented rotor iron core 24 and rear rotor core baffle plate 25.
The oblique rotor 20 of servomotor segmented for this structure, its whole anabolic process is divided into following four steps.
One, rotor core part is designed.
See Fig. 2, it is depicted as the structural representation for the rotor punching of the oblique rotor structure employing of segmented in this example.As seen from the figure, rotor punching 10 is corresponding with the oblique rotor cross-section of servomotor segmented, and its entirety is disc, mainly comprises a round rotor punching body 11, offer axis hole 12 in the middle part of this round rotor punching body 11, its surrounding offers some fabrication holes 13.These fabrication holes 13 with the round rotor punching body center of circle for the center of circle is along the circumferential direction uniformly distributed, and two symmetrical centered by the round rotor punching body center of circle.
For the quantity of fabrication hole 13, it is identical with motor pole number; The shape of fabrication hole 13, the carrying out can designing rotor inertia as required sets, in this example, round rotor punching body 11 offers eight fabrication holes 13, these eight fabrication holes 13 are uniformly distributed along same circumferencial direction, and these eight fabrication hole 13 structures are identical, the isosceles trapezoid of to be all upper and lower both sides be coaxial circles arc.
For be convenient to closed assembly and form iron core, symmetrical at least one pair of two symmetrical fabrication hole offer some location notchs 14 wherein, the number of location notch 14 is identical with rotor core segments, because this example rotor iron core segments is 3 sections, therefore each rotor punching 10 offers 3 pairs of location notchs 14; And the angle be staggered between the angle of being separated by between the center line of adjacent positioned groove (i.e. the center of location notch and the line between the rotor punching center of circle) and the adjacent two-stage rotor angle of iron core deflection (namely in the oblique rotor of segmented) is identical.
When specific implementation, this location notch 14 is specially circular arc.
Further, fixing for the ease of installing, this example is uniformly distributed some arc grooves 15 in the surrounding of axis hole 12, and the number of arc groove 15 is identical with fabrication hole 13 number, and the gap between distributing position with adjacent process hole 13 is relative.
Meanwhile, be equally spaced in the outside of round rotor punching body 11 some guide vane end stops 16, for when forming iron core, settles magnet steel.
This guide vane end stop 16 is specially square, and its quantity is determined according to the actual requirements, adopts 8 in illustrated example, and relative to the central distribution of fabrication hole 13.
When the rotor punching 10 of said structure makes, can directly punching press be formed, fast solution and the consistency of all rotor punchings can be ensured.
The rotor punching formed thus can design rotor inertia as required, when the oblique rotor of formation segmented, also improves the consistency of production efficiency and magnetic steel of motor performance while reducing cogging torque.
After the design completing above-mentioned rotor punching 10, then according to the length of every section of segmented rotor iron core, utilize by some rotor punchings 10 successively side by side closed assembly form required for sectional type rotor iron core, three sections altogether.
See Fig. 4, the sectional type rotor iron core 241 of every section is overrided to form successively side by side by some rotor punchings 10.The quantity of concrete rotor punching 10, can form according to the length of the sectional type rotor iron core 241 of every section.
When specifically laminating, corresponding stack-press device can be adopted, utilize the location notch 14 on each rotor punching 10 to laminate, ensure that rotor punching 10 close alignment all in the sectional type rotor iron core 241 of every section is set up in parallel; Laminate the sectional type rotor iron core 241 of formation thus, entirety is one cylindrical, middle part is axis hole, the surrounding of axis hole symmetrically be distributed with some fabrication holes, the edge of a pair fabrication hole forms corresponding three pairs of location notchs 244 by the location notch 14 on each rotor punching 10 successively Juxtaposition and Superimposition wherein; Outside it, form corresponding positive stop strip 242 by the guide vane end stop 16 on each rotor punching 10 successively Juxtaposition and Superimposition simultaneously, then form magnet steel resettlement groove 243 in the outside of sectional type rotor iron core 241.
Two. design rotor segment iron core laminated frock part.
Design corresponding rotor segment iron core laminated frock for the above-mentioned three sections of sectional type rotor iron cores 241 laminating formation, form the oblique rotor core of segmented to laminate fast and accurately.
See Fig. 5, it is depicted as the structural representation of the laminating tool that this example provides for above-mentioned sectional type rotor iron core 241.
As seen from the figure, this laminating tool 30 mainly comprises disc base 31 and two guide upright posts 32,33.
Wherein, disc base 31 is the basis of whole laminating tool 30, the through hole 34 that the rotating shaft 21 offering the oblique rotor of appearance servomotor segmented in the middle part of it is passed.
Be provided with one for settling the resettlement groove 35 of rotor core baffle plate at the installed surface of disc base 31 simultaneously.This rotor core baffle plate resettlement groove 35 is integrally provided in the middle part of disc base 31, and the degree of depth is not less than the thickness of rotor core baffle plate.
Two guide upright posts 32,33 are arranged on disc base 31, for when laminating rotor punching, leading and locate it.
Concrete, two guide upright posts 32,33 are on the installed surface being vertically arranged on disc base 31 symmetrical centered by the center of circle of disc base 31, and the setting position relative between the two fabrication hole 13 (see Fig. 3) relative with offer location notch 14 in rotor punching 10 two is corresponding.
Meanwhile, the profile of each guide upright post and the matching form of fabrication hole 13 close, and namely fabrication hole corresponding matching on the cross section structure of each guide upright post and rotor punching, is specially the isosceles trapezoid that upper and lower both sides are coaxial circles arc; But the overall dimension of each guide upright post is less than the size of fabrication hole 13, ensure that guide upright post can carry out with each location notch on fabrication hole 13 coordinating (can coordinate with location notch 244 on every section of sectional type rotor iron core 241).
The positioning boss 36 matched with location notch on rotor punching 14 (see Fig. 3) is also set on this basis on each guide upright post.
This positioning boss 36 is arranged along guide upright post side along its bearing of trend, and setting direction is corresponding with location notch in punching 14 setting direction.Because location notch in Fig. 2 14 is positioned on the outside of fabrication hole 13, therefore the positioning boss 36 in this example is arranged on the side of guide upright post.Specifically be positioned at the middle part of guide upright post side.
Three. the iron core assembly of the oblique rotor of segmented.
For the above-mentioned three sections of sectional type rotor iron cores 241 laminating formation, adopt special segmentation laminating tool 30, fast and accurately by several sections of sectional type rotor iron cores according to same direction rake angle (namely along same circumferencial direction, with this identical angle that staggers) laminate successively, form the oblique rotor core 24 (see Fig. 2) of segmented thus.
Wholely press-fit process following (see Fig. 6):
(1) first, in the resettlement groove of iron core laminated frock 30, one piece of rotor core baffle plate 22 is first put.
(2) at iron core laminated frock 30 closed assembly first paragraph sectional type rotor iron core 241a, its guide upright post 32,33 utilizing a pair fabrication hole (as shown in Figure 4) being provided with three pairs of location notchs 244 on first paragraph sectional type rotor iron core 241a to align in rotor iron core laminated frock 30 to it, and utilize first couple of location notch 244a on it to align with positioning boss 36 on guide upright post 32,33 respectively to coordinate, first paragraph sectional type rotor iron core 241a is sleeved in iron core laminated frock 30.
(3) at iron core laminated frock 30 closed assembly second segment sectional type rotor iron core 241b, its guide upright post 32,33 utilizing a pair fabrication hole (as shown in Figure 4) being provided with three pairs of location notchs 244 on second segment sectional type rotor iron core 241b to align in rotor iron core laminated frock 30 to it, and utilize second couple of location notch 244b on it to align with positioning boss 36 on guide upright post 32,33 respectively to coordinate, second segment sectional type rotor iron core 241b is stacked in iron core laminated frock 30, and is staggered certain angle with first paragraph sectional type rotor iron core 241a.
(4) at iron core laminated frock 30 closed assembly the 3rd section of sectional type rotor iron core 241c, its guide upright post 32 utilizing a pair fabrication hole (as shown in Figure 4) being provided with three pairs of location notchs 244 on the 3rd section of sectional type rotor iron core 241c to align in rotor iron core laminated frock 30 to it, 33, and to utilize on it the 3rd couple of location notch 244c respectively with guide upright post 32, on 33, positioning boss 36 aligns and coordinates, the 3rd section of sectional type rotor iron core 241c is made to be stacked in iron core laminated frock 30, and to be staggered certain angle with second segment sectional type rotor iron core 241b, complete thus and three sections of segmented rotor iron cores are laminated successively according to same direction rake angle successively on segmentation laminating tool, form segmented rotor iron core 24.
(5) when three sections of segmented rotor iron cores press-fit well, put another block iron core baffle plate 25 in core ends, then rotating shaft 21 is pressed into the oblique rotor core of segmented (see Fig. 7).
(6) iron core laminated frock is exited, obtain the oblique rotor core of the good segmented of closed assembly (see Fig. 8), three sections of sectional type rotor iron cores 241a, 241b, 241c are stacked in rotating shaft 21 successively, and the equal angular that is staggered successively between adjacent two sectional type rotor iron cores in three sections of sectional type rotor iron cores, and the angle direction that is staggered between adjacent two sectional type rotor iron cores is identical, form segmented rotor iron core 24 thus; Front rotor core baffle plate 22 and rear rotor core baffle plate 25 are set in rotating shaft 21 respectively simultaneously, and are positioned at the front and back end of segmented rotor iron core 24, fix from rear and front end to segmented rotor iron core 24.
Four. sticky magnet steel.
Magnet steel lay down location (namely in corresponding resettlement groove) on the surface of the oblique rotor core of segmented of closed assembly Kazakhstan, apply glue, successively the magnet steel 23 after magnetizing is placed by polarity again, obtain the oblique rotor 20 (as shown in Figure 2) of servomotor segmented.
Thus, the oblique rotor of whole servomotor segmented just completes assembling, and whole process fast, accurately.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.

Claims (7)

1. an implementation method for the oblique rotor of servomotor segmented, is characterized in that, described implementation method comprises the steps
(1) first, the rotor punching corresponding with the oblique rotor cross-section of servomotor segmented is utilized to laminate into segmentation rotor core;
(2) then, the segmented rotor iron core of some sections is laminated into the oblique rotor core of segmented successively according to the rake angle of the oblique rotor of servomotor segmented;
(3) last, in the oblique rotor core of segmented, be pressed into rotating shaft, and at the sticky magnet steel in segmented oblique rotor core surface.
2. the implementation method of the oblique rotor of a kind of servomotor segmented according to claim 1, it is characterized in that, rotor punching in described step (1) offers the fabrication hole of corresponding size according to servomotor inertia, the inner some location notchs having equal angular of being separated by by rotor segment institute rake angle of fabrication hole.
3. the implementation method of the oblique rotor of a kind of servomotor segmented according to claim 2, it is characterized in that, described rotor punching comprises a round rotor punching body, axis hole is offered in the middle part of this round rotor punching body, its surrounding offers some fabrication holes, some fabrication holes are two symmetrical centered by the round rotor punching body center of circle, symmetrical at least one pair of two symmetrical fabrication hole offer some location notchs wherein, the number of location notch is identical with rotor core segments, and the angle of being separated by between the center line of adjacent positioned groove is identical with the angle be staggered between adjacent two-stage rotor.
4. the implementation method of the oblique rotor of a kind of servomotor segmented according to any one of claim 1-3, be is characterized in that, by high speed stamping, some rotor punchings are laminated into the segmented rotor iron core of required length in described step (1).
5. the implementation method of the oblique rotor of a kind of servomotor segmented according to Claims 2 or 3, it is characterized in that, coordinated with the location notch in the punching of segmented rotor iron core rotor by segmentation laminating tool in described step (2), some sections of segmented rotor iron cores are laminated successively according to same direction rake angle successively on segmentation laminating tool, forms the oblique rotor core of segmented thus.
6. the implementation method of the oblique rotor of a kind of servomotor segmented according to claim 5, is characterized in that, the segmentation laminating tool in described step (2) comprises:
Disc base, the through hole corresponding with the oblique rotor shaft of servomotor segmented is offered at the middle part of described disc base;
Two guide upright posts, the cross section structure of described two guide upright posts is corresponding with fabrication hole on rotor punching, and what two guide upright posts were relative is arranged on disc base, and both relative setting positions are corresponding with the fabrication hole offering location notch in rotor punching; Guide upright post is also arranged the positioning boss matched with location notch on rotor punching.
7. the implementation method of the oblique rotor of a kind of servomotor segmented according to claim 6, it is characterized in that, when laminating segmented rotor iron core in described step (2), every section of segmented rotor iron core is according to the rake angle of the oblique rotor of segmented, location notch corresponding on it is selected to coordinate with the guide upright post on segmentation laminating tool, and entirety is set on the guide upright post of segmentation laminating tool, realizes segmented rotor iron core and laminate successively according to same direction rake angle.
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CN105391207A (en) * 2015-11-26 2016-03-09 株洲南车机电科技有限公司 Rail transit permanent-magnet direct-drive traction motor rotor and assembling method thereof
CN107222070A (en) * 2017-06-23 2017-09-29 江苏航天动力机电有限公司 Compact asynchronous starting permagnetic synchronous motor segmented rotor processing technology
CN107425679A (en) * 2017-09-13 2017-12-01 杭州桢正玮顿运动控制技术有限公司 A kind of motor rotor magnetic steel sticker and its method of attaching
CN110518760A (en) * 2019-09-19 2019-11-29 安徽广博机电制造股份有限公司 A kind of magneto magnet-pasting machine
CN113258699A (en) * 2021-06-16 2021-08-13 常州神力电机股份有限公司 Sectional type motor rotor iron core for diesel generator
WO2021253710A1 (en) * 2020-06-15 2021-12-23 中车株洲电机有限公司 Rotor iron core and motor
US11271444B2 (en) * 2018-05-11 2022-03-08 Hefei Jee Power Systems, Co., Ltd. Motor rotor assembly structure

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CN203774914U (en) * 2014-02-10 2014-08-13 珠海格力节能环保制冷技术研究中心有限公司 Permanent-magnetic rotor
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CN201910723U (en) * 2010-11-22 2011-07-27 重庆红宇精密工业有限责任公司 Rotor sheet for servo permanent magnet synchronous motor
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105391207A (en) * 2015-11-26 2016-03-09 株洲南车机电科技有限公司 Rail transit permanent-magnet direct-drive traction motor rotor and assembling method thereof
CN107222070A (en) * 2017-06-23 2017-09-29 江苏航天动力机电有限公司 Compact asynchronous starting permagnetic synchronous motor segmented rotor processing technology
CN107425679A (en) * 2017-09-13 2017-12-01 杭州桢正玮顿运动控制技术有限公司 A kind of motor rotor magnetic steel sticker and its method of attaching
CN107425679B (en) * 2017-09-13 2024-04-23 杭州桢正玮顿运动控制技术有限公司 Motor rotor magnetic steel pasting device and pasting method thereof
US11271444B2 (en) * 2018-05-11 2022-03-08 Hefei Jee Power Systems, Co., Ltd. Motor rotor assembly structure
CN110518760A (en) * 2019-09-19 2019-11-29 安徽广博机电制造股份有限公司 A kind of magneto magnet-pasting machine
WO2021253710A1 (en) * 2020-06-15 2021-12-23 中车株洲电机有限公司 Rotor iron core and motor
CN113258699A (en) * 2021-06-16 2021-08-13 常州神力电机股份有限公司 Sectional type motor rotor iron core for diesel generator
CN113258699B (en) * 2021-06-16 2022-03-25 常州神力电机股份有限公司 Sectional type motor rotor iron core for diesel generator

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