CN110165846A - Nuclear power station inner stator spring backing plate and positioning key replacing options - Google Patents
Nuclear power station inner stator spring backing plate and positioning key replacing options Download PDFInfo
- Publication number
- CN110165846A CN110165846A CN201910460547.2A CN201910460547A CN110165846A CN 110165846 A CN110165846 A CN 110165846A CN 201910460547 A CN201910460547 A CN 201910460547A CN 110165846 A CN110165846 A CN 110165846A
- Authority
- CN
- China
- Prior art keywords
- spare part
- nuclear power
- power station
- inner stator
- backing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
Abstract
The present invention relates to nuclear power station electricity generation system and its auxiliary system technical field, it is spare part by outsourcing piece first time Milling Process that a kind of nuclear power station inner stator spring backing plate replacing options, which include,；Mark is distinguished to each corner location of spare part, and carries out code area minute mark respectively to each spare part and shows；According to measurement data to second of Milling Process of spare part, and grinding is carried out to spare part according to measurement data；The spare part completed the process is installed.Above-mentioned nuclear power station inner stator spring backing plate replacing options ensure that the reliability of spring backing plate replacement, effectively shorten the duration, reduce maintenance cost.A kind of nuclear power station inner stator positioning key replacing options include: mark is distinguished to each customized part, and it is corresponding carry out Milling Process according to the data of maintenance sites actual measurement, the customized part completed the process is installed.Above-mentioned nuclear power station inner stator positioning key replacing options eliminate a possibility that thinking mistake, shorten the construction period reduction maintenance cost by carrying out corresponding mark to customized part.
Description
Technical field
The present invention relates to nuclear power station electricity generation system and its auxiliary system technical fields, more particularly to the default bullet of nuclear power station
Spring backing plate replacing options and nuclear power station inner stator positioning key replacing options.
Background technique
The country, China lacks the experience to mega-kilowatt class generator inner stator overhaul at present, is primarily due to million kilowatt
The requirement on machining accuracy of generator inner stator is very high, and since a mega-kilowatt class generator inner stator needs replacing four
Ten pieces of spring backing plates and 20 pieces of positioning keys, and the size of each piece of spring backing plate and positioning key is all different, and leads to skill
Art is difficult, so requiring to carry out assistance maintenance by mega-kilowatt class generator inner stator original manufacturing nation.
Since the spring backing plate of mega-kilowatt class generator inner stator and the size of positioning key require to carry out in-site measurement,
And since there are many number of size, so it is easy to appear artificial mistakes, and if measured one by one to spring backing plate
Processing can seriously affect the duration, and the size of actual measurement corresponding cannot can seriously affect mega-kilowatt class generator with processing dimension
The working performance of inner stator causes huge economic loss.
Summary of the invention
Based on this, it is necessary to aiming at the problem that being easy to appear mistake, provide a kind of nuclear power station inner stator spring backing plate
Replacing options and nuclear power station inner stator positioning key replacing options.
A kind of nuclear power station inner stator spring backing plate replacing options, comprising:
At least two outsourcing pieces are provided, by the outsourcing piece according to be sized carry out first time Milling Process be made it is standby
Part；
Mark is distinguished to each corner location of each spare part respectively；Code differentiation is carried out respectively to each spare part
It indicates, the code area minute mark on each spare part shows for corresponding to the position for respectively installing spring backing plate in maintenance sites；
The real data of each spring backing plate needed replacing of maintenance sites is measured；
Second of Milling Process is carried out to the spare part according to corresponding measurement data；
Grinding is carried out to the datum level of the spare part, the datum level is polished；
On the basis of datum level after polishing, and the spare part is ground according to measurement data Zhong Ge corner's size
Processing；And
The spare part completed the process is mounted on and shows corresponding maintenance sites installation bullet with the code area minute mark on the spare part
The position of spring backing plate.
Above-mentioned nuclear power station inner stator spring backing plate replacing options, by being indicated respectively to corner location and each spare part,
And by mode corresponding with each spring backing plate installation site, eliminates and a possibility that mistake occur, ensure that spring
The reliability of backing plate replacement；By first time Milling Process at spare part, the duration is effectively shortened, and by setting mark, correspondence is mentioned
Height further shortens the construction period the processing efficiency and installation effectiveness of spare part；The nuclear power station inner stator spring backing plate replacing options
Former manufacturing nation is not needed in replacement process to be assisted, and maintenance cost is effectively reduced.
The setting quantity of the outsourcing piece is 40 in one of the embodiments,；40 outsourcing pieces are divided into
Four groups, every group is ten outsourcing pieces.
At least two outsourcing pieces of the offer in one of the embodiments, by the outsourcing piece according to be sized into
The step of spare part is made in row first time Milling Process include:
The thickness of the outsourcing piece is worked into 16 millimeters.
It is described in one of the embodiments, that second of Milling Process is carried out to the spare part according to corresponding measurement data
The step of include:
The thickness of the spare part is worked into greater than 0. 5 millimeters of measurement data size.
It is described in one of the embodiments, that second of Milling Process is carried out to the spare part according to corresponding measurement data
Step and the datum level to the spare part carry out grinding, will be between the datum level lapping process further include:
The spare part completed to second of Milling Process carries out deburred.
The rectangular structure setting of the outsourcing piece in one of the embodiments, the outsourcing piece include bottom surface, surround
Before the bottom surface, back, the left side, the right side and the top surface being oppositely arranged with the bottom surface；Positioning is provided on the front
The front is arranged in close to the side of the bottom surface in hole, the location hole；The datum level is the bottom surface.
A kind of nuclear power station inner stator positioning key replacing options, comprising:
At least two customized parts are provided, code area minute mark is carried out to each customized part and is shown, the generation on each customized part
Code distinguishes mark for corresponding to the position for respectively installing positioning key in maintenance sites；
The real data for the positioning key that maintenance sites respectively need replacing is measured；
On the basis of datum level, Milling Process is carried out to the customized part according to corresponding measurement data；
The code area minute mark that the customized part completed the process is installed on the customized part is shown that corresponding maintenance sites are determined
The position of position key.
The setting quantity of the customized part is 20 in one of the embodiments,；20 customized parts are divided into
Two groups, every group is ten customized parts.
The customized part includes horizontal part and vertical portion in one of the embodiments,；The section of the customized part is L-shape
Structure setting.
The datum level is side of the horizontal part far from vertical portion in one of the embodiments, and the milling adds
Distance of the work for the horizontal part far from the vertical portion side to horizontal part close to the vertical portion side is processed.
Detailed description of the invention
Fig. 1 is the flow diagram of the nuclear power station inner stator spring backing plate replacing options of one embodiment of the invention；
Fig. 2 distinguishes mark to each corner location of each spare part respectively for one embodiment of the invention, and to each standby
Part carries out code area minute mark respectively and shows, the code area minute mark on each spare part, which shows, respectively installs spring backing plate for corresponding in maintenance sites
Position flow diagram；
Fig. 3 is the flow diagram of the nuclear power station inner stator positioning key replacing options of one embodiment of the invention；
Fig. 4 is the structural schematic diagram of outsourcing piece；
Fig. 5 is the structural schematic diagram of customized part.
The meaning of numbering in the drawing are as follows:
10- outsourcing piece；
Before the bottom surface 11-, 12-, behind 13-, the left side 14-, the right side 15-, the top surface 16-, 20- location hole；
The customized part of 30-；
31- horizontal part, the vertical portion 35-, 40- mounting hole.
Specific embodiment
It to facilitate the understanding of the present invention, below will be to invention is more fully described.But the present invention can be to be permitted
Mostly different form is realized, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes
It is more thorough and comprehensive to the understanding of the disclosure.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Referring to Fig. 1, being the nuclear power station inner stator spring backing plate replacing options of one embodiment of the invention, comprising:
S10: provide at least two outsourcing pieces, by outsourcing piece according to be sized progress first time Milling Process be made it is standby
Part；
S20: mark is distinguished to each corner location of each spare part respectively；Code area minute mark is carried out respectively to each spare part
Show, the code area minute mark on each spare part shows for corresponding to the position for respectively installing spring backing plate in maintenance sites；
S30: the real data of each spring backing plate needed replacing of maintenance sites is measured；
S40: second of Milling Process is carried out to spare part according to corresponding measurement data；
S50: grinding is carried out to the datum level of the spare part, the datum level is polished；
S60: on the basis of the datum level after polishing, and the spare part is carried out according to measurement data Zhong Ge corner's size
Grinding；
S70: the spare part completed the process is mounted on and shows that corresponding maintenance sites are pacified with the code area minute mark on the spare part
The position of shock mount backing plate.
Further, referring to Fig. 4, outsourcing piece 10 is the standardized element bought from mega-kilowatt class generator inner stator,
The rectangular structure setting of outsourcing piece 10, outsourcing piece 10 include 12, back 13, the left side before bottom surface 11, circular bottom surface 11
14, the right side 15 and the top surface 16 being oppositely arranged with bottom surface 11；Location hole 20 is provided on front 12, location hole 20 is arranged preceding
Side of the face 12 close to bottom surface 11；The datum level is bottom surface 11, and the location hole 20 is for positioning datum level, this is for the first time
Milling Process carries out Milling Process in face of top surface 16 on the basis of bottom surface 11, and outsourcing piece thickness is processed as spare part thickness.
Further, in another embodiment, at least two outsourcing piece of offer, by the outsourcing piece according to being sized
Carrying out the step of spare part is made in first time Milling Process includes:
The thickness of the outsourcing piece is worked into 16 millimeters.
The outsourcing piece with a thickness of 25 millimeters, i.e., the distance between outsourcing piece bottom surface and top surface be 25 millimeters,
To process top surface on the basis of the bottom surface of location hole, being machined to the distance between bottom surface and top surface is 16 millimeters, this first
Secondary Milling Process is roughing, and substantially 13 millimeters of the spring plate thickness of actual use, first time Milling Process reserves three
Millimeter machining allowance, and then spare part made of the first time Milling Process with a thickness of 16 millimeters.
Further, the setting quantity of the outsourcing piece is 40, and the setting quantity and nuclear power station of the outsourcing piece are default
The spring backing plate quantity of son setting is corresponding, and 40 outsourcing pieces are divided into four groups, and every group is ten outsourcing pieces, default with nuclear power station
The arrangement mode of sub- upper spring backing plate is corresponding, after the spare part for guaranteeing for outsourcing piece to be processed into, by respectively to each spare part
Code area minute mark is carried out respectively to show, each spare part can be made a pair of with the installation site of nuclear power station inner stator upper spring backing plate one respectively
It answers.
Further, referring to Fig. 2, step S20 includes:
S21: providing 40 spare parts, and spare part is equally divided into four groups, and four groups of code names are respectively T, B, L, R, standby in each group
It is respectively T1 to T10, B1 to B10, L1 to L10, R1 to R10 that part, which corresponds to code name, and each code name is respectively corresponded and is indicated in each spare part
On；
S22: it is respectively corresponded at four corner locations of spare part and is denoted as A, B, C, D.
Further, the generally rectangular shaped shape structure setting of the spare part, the spare part are correspondingly arranged there are four turning, before 12 with
The right side 15 intersect corner be denoted as A, before 12 corners intersected with the left side 14 be denoted as B, the left side 14 and 13 phase below
The corner of friendship is denoted as C, behind 13 corners intersected with the right side 15 be denoted as D, maintenance sites are corresponding respectively to each nuclear power
The thickness of tetra- positions A, B, C, D of inner stator upper spring backing plate of standing measures, and then to four corner positions of spare part
Thickness processed.
Further, in another embodiment, step S20 further include:
S23: each spare part after mark is subjected to independent packaging and storing respectively, and corresponding in package outer mark and spare part
Corresponding code name.
It is to be appreciated that step S23 guarantees that the can be carried out to each outsourcing piece before to nuclear power station inner stator overhaul
Milling Process, and correspondence distinguishes mark, effectively shortens maintenance cycle, and by independent packaging and storing, it is effectively right
Each spare part is protected and guarantees mutual differentiation.
Further, this includes: to the step of spare part second of Milling Process of progress according to corresponding measurement data
The thickness of spare part is worked into greater than 0. 5 millimeters of measurement data size.
It is to be appreciated that the measurement data is four turnings of the spring backing plate respectively needed replacing in step S30 to scene
Locate the thickness of position, reserved 0. 5 millimeters of thickness accurately processes the size of spare part, and then guarantees processing dimension
Levels of precision.
Further, in another embodiment, second of milling is carried out to the spare part according to corresponding measurement data and is added
Work step carries out grinding with the datum level to the spare part suddenly, will be between datum level lapping process further include:
The spare part completed to second of Milling Process carries out deburred.It completes after second of Milling Process to spare part
Milling Process, by deburred prevent scratch construction personnel, improve the safety of maintenance process.
Further, in another embodiment, step S50 further include: after the datum level of spare part polishes, by the benchmark of spare part
Face is cleaned out, and is correspondingly placed on plastic film；Opposite grinding bed platform is cleared up again, after cleaning out grinding machine platform, with
Spare part is fixed on grinding machine platform on the basis of datum level.By clearing up datum level and grinding machine platform, it is effectively ensured pair
The machining accuracy of spare part, while the datum level by cleaning out spare part is placed on a plastic film, is protected to datum level
Shield, while preventing datum level contamination dust from influencing subsequent machining accuracy.
Further, in another embodiment, step S60 further include: each spare part that quality inspection personnel completes the process grinding
Detected, quality inspection personnel according to measurement data respectively tetra- corner locations of A, B, C, D corresponding to each spare part thickness carry out
Dimensional measurement, confirmation comply with standard regulation.
Referring to Fig. 3, the invention also discloses the nuclear power station inner stator positioning key replacing options of an embodiment, comprising:
S100: providing at least two customized parts, carries out code area minute mark to each customized part and shows, on each customized part
Code area minute mark show for corresponding to the position for respectively installing positioning key in maintenance sites；
S200: the real data for the positioning key that maintenance sites respectively need replacing is measured；
S300: on the basis of datum level, Milling Process is carried out to the customized part according to corresponding measurement data；
S400: the code area minute mark that the customized part completed the process is installed on the customized part is shown that corresponding maintenance is existing
The position of field positioning key.
Further, referring to Fig. 5, the customized part 30 is the standard zero bought from mega-kilowatt class generator inner stator
Part, the customized part 30 include horizontal part 31 and vertical portion 35；The generally rectangular shaped strip of horizontal part 31 is horizontally disposed,
The vertical portion 35 is arranged along the vertical direction in rectangular slat shape, a lateral edge vertical-horizontal portion 31 side of the vertical portion 35 from horizontal part 31
To being extended, make the L-shape structure setting in the section of customized part along the vertical direction；Mounting hole is provided on the horizontal part 31
40, mounting hole 40 is correspondingly arranged at one end of horizontal part 31, and the rounded shrinkage pool shape of mounting hole 40 is from one end of horizontal part 31 to water
Flat 31 internal stretch of portion setting；The datum level is side of the horizontal part 31 far from vertical portion 35, which is used for level
Portion 31 is positioned, and then is positioned to datum level.
Further, the setting quantity of the customized part is 20, and the setting quantity and nuclear power station of the customized part are default
The positioning key quantity of son setting is corresponding, and 20 customized parts are divided into two groups, and every group is ten customized parts, with nuclear power station inner stator
The arrangement mode of upper positioning key is corresponding, for guaranteeing that each customized part is shown by each code area minute mark, can make each customized part point
It is not corresponded with the installation site of positioning key on nuclear power station inner stator.
Further, in another embodiment, which carries out code differentiation to each customized part
The step of mark, the code area minute mark on each customized part shows for corresponding to the position for respectively installing positioning key in maintenance sites includes:
20 customized parts are provided, customized part is equally divided into two groups, two groups of code names are respectively FEL and FER, in each group
It is respectively FEL1 to FEL10 and FER1 to FER10 that customized part, which corresponds to code name, and each code name is respectively corresponded and is indicated in each customized part
On.
Further, which is used for the thickness in level of processing portion, and Milling Process is for remote to the horizontal part
It is processed with a distance from the vertical portion side from the vertical portion side to horizontal part, Milling Process is corresponding with horizontal part
On the basis of side far from vertical portion side, Milling Process is carried out close to the side of vertical portion side to horizontal part, and according to reality
The measurement data on border, the thickness at corresponding level of processing portion both ends.
Further, in another embodiment, each customized part that step S400, which includes: quality inspection personnel, completes Milling Process into
Row detection, quality inspection personnel according to positioning key each in measurement data correspond to the thickness at horizontal part end positions to customized part size into
Row measurement, confirmation comply with standard regulation.
Above-mentioned nuclear power station inner stator spring backing plate replacing options, by being indicated respectively to corner location and each spare part,
And by mode corresponding with each spring backing plate installation site, eliminates and a possibility that mistake occur, ensure that this more
Change the reliability of method；By first time Milling Process at spare part, the duration is effectively shortened, and by setting mark, it is corresponding to improve
To the processing efficiency and installation effectiveness of spare part, further shorten the construction period；The nuclear power station inner stator spring backing plate replacing options are more
Former manufacturing nation is not needed during changing to be assisted, and maintenance cost is effectively reduced.Above-mentioned nuclear power station inner stator positioning key replacement
Method guarantees that each customized part is corresponding with the installation site of each positioning key respectively, disappears by distinguishing mark to each customized part
In addition to there is a possibility that mistake, it ensure that the reliability of the replacing options, improve the construction effect to positioning key replacement
Rate.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of nuclear power station inner stator spring backing plate replacing options characterized by comprising
At least two outsourcing pieces are provided, spare part is made according to progress first time Milling Process is sized in the outsourcing piece；
Mark is distinguished to each corner location of each spare part respectively；Code area minute mark is carried out respectively to each spare part
Show, the code area minute mark on each spare part shows for corresponding to the position for respectively installing spring backing plate in maintenance sites；
The real data of each spring backing plate needed replacing of maintenance sites is measured；
Second of Milling Process is carried out to the spare part according to corresponding measurement data；
Grinding is carried out to the datum level of the spare part, the datum level is polished；
On the basis of datum level after polishing, and grinding is carried out to the spare part according to measurement data Zhong Ge corner's size and is added
Work；And
The spare part completed the process is mounted on and shows corresponding maintenance sites installation spring pad with the code area minute mark on the spare part
The position of plate.
2. nuclear power station inner stator spring backing plate replacing options according to claim 1, which is characterized in that the outsourcing piece
It is 40 that quantity, which is arranged,；40 outsourcing pieces are divided into four groups, and every group is ten outsourcing pieces.
3. nuclear power station inner stator spring backing plate replacing options according to claim 1, which is characterized in that the offer is at least
Two outsourcing pieces, by the outsourcing piece according to be sized carry out first time Milling Process spare part is made the step of include:
The thickness of the outsourcing piece is worked into 16 millimeters.
4. nuclear power station inner stator spring backing plate replacing options according to claim 1, which is characterized in that described according to correspondence
Measurement data to the spare part carry out second of Milling Process the step of include:
The thickness of the spare part is worked into greater than 0. 5 millimeters of measurement data size.
5. nuclear power station inner stator spring backing plate replacing options according to claim 4, which is characterized in that described according to correspondence
Measurement data second Milling Process step carried out to the spare part and the datum level to the spare part carry out grinding plus
Work, will be between the datum level lapping process further include:
The spare part completed to second of Milling Process carries out deburred.
6. nuclear power station inner stator spring backing plate replacing options according to claim 1, which is characterized in that the outsourcing piece is in
Rectangular structure setting, the outsourcing piece include bottom surface, before the bottom surface, back, the left side, the right side and with it is described
The top surface that bottom surface is oppositely arranged；Location hole is provided on the front, the location hole is arranged in the front close to the bottom
The side in face；The datum level is the bottom surface.
7. a kind of nuclear power station inner stator positioning key replacing options characterized by comprising
At least two customized parts are provided, code area minute mark is carried out to each customized part and is shown, the code area on each customized part
Minute mark shows for corresponding to the position for respectively installing positioning key in maintenance sites；
The real data for the positioning key that maintenance sites respectively need replacing is measured；
On the basis of datum level, Milling Process is carried out to the customized part according to corresponding measurement data；And
The code area minute mark that the customized part completed the process is installed on the customized part is shown into corresponding maintenance sites positioning key
Position.
8. nuclear power station inner stator positioning key replacing options according to claim 7, which is characterized in that the customized part is set
Setting quantity is 20；20 customized parts are divided into two groups, and every group is ten customized parts.
9. nuclear power station inner stator positioning key replacing options according to claim 7, which is characterized in that the customized part includes
Horizontal part and vertical portion；The L-shape structure setting in section of the customized part.
10. nuclear power station inner stator positioning key replacing options according to claim 9, which is characterized in that the datum level is
Side of the horizontal part far from vertical portion, the Milling Process are used for the horizontal part far from the vertical portion side to water
Distance of the flat portion close to the vertical portion side is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910460547.2A CN110165846A (en) | 2019-05-30 | 2019-05-30 | Nuclear power station inner stator spring backing plate and positioning key replacing options |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910460547.2A CN110165846A (en) | 2019-05-30 | 2019-05-30 | Nuclear power station inner stator spring backing plate and positioning key replacing options |
Publications (1)
| Publication Number | Publication Date |
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| CN110165846A true CN110165846A (en) | 2019-08-23 |
Family
ID=67630018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910460547.2A Pending CN110165846A (en) | 2019-05-30 | 2019-05-30 | Nuclear power station inner stator spring backing plate and positioning key replacing options |
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2019
- 2019-05-30 CN CN201910460547.2A patent/CN110165846A/en active Pending
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| CN1756047A (en) * | 2004-09-27 | 2006-04-05 | 通用电气公司 | Process for rapid on-demand stator rewinds in electrical generators |
| CN104759942A (en) * | 2015-04-22 | 2015-07-08 | 华中科技大学 | Online milling deformation measurement and complementation machining method for thin-walled part |
| CN106312151A (en) * | 2016-10-19 | 2017-01-11 | 首都航天机械公司 | One-click numerical-control milling method for complex cylindrical thin-walled shell |
| CN109038968A (en) * | 2018-08-20 | 2018-12-18 | 宁波菲仕电机技术有限公司 | The production method of linear motor magnet steel fixed plate |
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Application publication date: 20190823 |
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