CN106424997B - Double-casing motor main pole coil welding method and its fixture used - Google Patents
Double-casing motor main pole coil welding method and its fixture used Download PDFInfo
- Publication number
- CN106424997B CN106424997B CN201610991993.2A CN201610991993A CN106424997B CN 106424997 B CN106424997 B CN 106424997B CN 201610991993 A CN201610991993 A CN 201610991993A CN 106424997 B CN106424997 B CN 106424997B
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- nipple
- coil
- layer coil
- layer
- gripper shoe
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Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000003466 welding Methods 0.000 title claims abstract description 18
- 210000002445 nipple Anatomy 0.000 claims abstract description 83
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 230000006698 induction Effects 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000000155 melt Substances 0.000 claims abstract description 4
- 229910000679 solder Inorganic materials 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 29
- 210000003734 kidney Anatomy 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000005476 soldering Methods 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052802 copper Inorganic materials 0.000 abstract description 4
- 239000010949 copper Substances 0.000 abstract description 4
- 239000011810 insulating material Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 68
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/002—Soldering by means of induction heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/38—Conductors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses a kind of double-casing motor main pole coil welding method and its fixture used, the step of method in include：To the inside casing registration process of first layer coil and second layer coil, to form the electrodes of motor coil of an entirety, it by the electrodes of motor coil support after alignment and positions, and the side of the nipple of first layer coil and the nipple of second layer coil is abutted together；(2) Intermediate Frequency Induction Heating Equipment, and the heating against place to the nipple of first layer coil and the nipple of second layer coil using Intermediate Frequency Induction Heating Equipment are set；(3) after heating a period of time, cored solder is being placed against place, after material to be brazed melts, the nipple of the nipple of the first layer coil and the second layer coil is to be brazed together.The present invention can not only be well between two layers of coil nipple weld, and reduce copper overheat to insulating materials damage, be conducive to soldering standard operation, operating personnel are required it is low, product quality stablize.
Description
Technical field
The present invention relates to a kind of double-casing motor main pole coil welding method and its fixtures used.
Background technology
Currently, medium-and-large-sized direct current generator main pole coil is formed with copper strap wire coiling, electrodes of motor coil is by first layer coil
It is formed with second layer coil, it is logical between first layer coil and second layer coil between main pole coil often enclose and interlayer mutually insulated
The connector for crossing respective inner ring connects into a main pole coil, and connection type is to use flame heating soldering together.This method by
In because copper thermal coefficient it is big, heat transfer is rapid, and flame heating soldering heating time is long, is easy to burn out the insulation on coil；Flame
It is high that heating soldering operates level requirement to operating personnel；Flame is heated to be open fire, causes serious pollution to the environment.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, a kind of double-casing motor main pole coil is provided
Welding method, the nipple that it can not only be well between two layers of coil weld, and reduce copper overheat to exhausted
Edge damage of materials is conducive to soldering standard operation, and operating personnel are required with low, product quality stabilization.
Solving the technical solution of the technical problem of the present invention is：A kind of double-casing motor main pole coil welding method, the side
Include in the step of method is used to weld the nipple of first layer coil and the nipple of second layer coil, the method
Have：
(1) inside casing registration process of the inside casing alignment means to first layer coil and second layer coil is used, to be formed
The electrodes of motor coil of one entirety by the electrodes of motor coil support after alignment and is located in support device, and in use
The side of the nipple of first layer coil and the nipple of second layer coil is abutted together by joint pressing device；
(2) Intermediate Frequency Induction Heating Equipment is set, and using Intermediate Frequency Induction Heating Equipment to the nipple of first layer coil and
The nipple of second layer coil is heated against place；
(3) after heating a period of time, cored solder is being placed against place, after material to be brazed melts, the first layer coil
The nipple of nipple and the second layer coil is to be brazed together.
Further for the good welds for realizing the nipple between two layers of coil, also wrapped in the step (1)
It includes：Remove the oxide layer at the nipple of first layer coil and the nipple of second layer coil.
Further, in the step (2), further include before heating：In the nipple of first layer coil and second
Place insulation blocking object in the lower section of the nipple of layer line circle.
Further, in the step (2), further include before heating：In the nipple of first layer coil and second
Place cooling protection object in the rear of the nipple of layer line circle.
Further, in the step (2), the set of frequency of Intermediate Frequency Induction Heating Equipment is 15KHz.
The present invention also provides the fixtures used in a kind of double-casing motor main pole coil welding method, it includes：
Inside casing alignment means, the inside casing alignment means are used to be aligned the inside casing of first layer coil and second layer coil, from
And form the electrodes of motor coil of an entirety；
Support device, the support device is for being supported and positioning to the electrodes of motor coil after alignment；
Nipple pressing device, the nipple pressing device are arranged in support device, and the nipple compresses
Device is for the side of the nipple of the first layer coil in support device and the nipple of second layer coil to be abutted together.
A kind of concrete structure of inside casing alignment means is further provided, the inside casing alignment means include locating piece, pressure
There is substrate and positioning protrusion, the substrate to be used to support with the side of the first layer coil for block and connector, the locating piece
It connects, the positioning protrusion is used to stretch into the inside casing of the inside casing and the second layer coil of the first layer coil, to make first
The inside casing alignment of the inside casing and second layer coil of layer line circle, the briquetting with the side of the second layer coil for abutting, institute
Connector is stated for connecting the locating piece and the briquetting.
A kind of concrete structure of support device is further provided, the support device includes vertical gripper shoe and at least one
A horizontally-supported piece, described horizontally-supported piece is connected in the vertical gripper shoe, and described horizontally-supported piece is used for against motor
The bottom surface of main pole coil, the vertical gripper shoe are used for the one side against electrodes of motor coil.
Further for keeping support device sustainable and position various sizes of coil, fixture further includes further including for connecting
The clamping screw of corresponding horizontally-supported piece and the vertical gripper shoe is connect, is provided with along vertical side in the vertical gripper shoe
To the kidney slot of setting, the clamping screw is screwed in after passing through the kidney slot on described horizontally-supported piece.
Further provide a kind of concrete structure of nipple pressing device, the nipple pressing device include pressing plate and
Connection component, the pressing plate are connected to by connection component in vertical gripper shoe, and the pressing plate is used for against electrodes of motor coil
Another side, to by pressing plate and vertical gripper shoe by the nipple of the nipple of first layer coil and second layer coil
Side is abutted together.
It is influenced by the medium-high frequency power supply of Intermediate Frequency Induction Heating Equipment further for other parts are made not, is supported on the pressing plate
The position of nipple is provided with heatproof ceramic body on the position of nipple and/or the vertical gripper shoe.
Further, the support device further includes bottom plate, and the vertical gripper shoe is mounted on bottom plate, and described vertical
Support plate and the bottom plate are positioned by positioning pin.
After using above-mentioned technical proposal, the present invention has advantageous effect below：
1, Medium frequency induction welding replaces flame to weld, and shortens heating weld interval, and stable quality is convenient for technical process specification
Control, Frequency Induction Heating mode safety and environmental protection；
2, coil is stepped up using fixture, clamping is reliable, ensures quality.
Description of the drawings
Fig. 1 is the structural schematic diagram of the double-casing motor main pole coil of the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the A of Fig. 1 to schematic diagram；
Fig. 4 is the B-B schematic cross-sectional views of Fig. 1；
Fig. 5 is the usage state diagram of the fixture of the present invention；
Fig. 6 is the left view of Fig. 5.
Specific implementation mode
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail.
As shown in figs. 1 to 6, a kind of double-casing motor main pole coil welding method, the method are used for first layer coil 10
Nipple and the nipple of second layer coil 20 welded, the step of the method in include：
(1) inside casing registration process of the inside casing alignment means to first layer coil 10 and second layer coil 20 is used, to
The electrodes of motor coil for forming an entirety, by the electrodes of motor coil support after alignment and is located in support device, and adopt
The side of the nipple of first layer coil 10 and the nipple of second layer coil 20 is abutted together with nipple pressing device；
(2) Intermediate Frequency Induction Heating Equipment is set, and using Intermediate Frequency Induction Heating Equipment to the nipple of first layer coil 10
With being heated against place for the nipple of second layer coil 20；Frequency Induction Heating is inductor input intermediate frequency or height
Frequency alternating current generates the induced current that alternating magnetic field produces same frequency in workpiece, distribution of this induced current in workpiece
Be it is non-uniform, it is strong on surface, and internal very weak, using this kelvin effect, workpiece surface can be made to heat rapidly, be conducive to
Reduce the holding time of workpiece；Medium frequency induction welding replaces flame to weld, and shortens heating weld interval, and stable quality is convenient for work
Skill process specification controls.Frequency Induction Heating mode safety and environmental protection；
(3) after heating a period of time, cored solder is being placed against place, after material to be brazed melts, the first layer coil 10
Nipple and the second layer coil 20 nipple to be brazed together；Heating time can be according to welding point size
Size is arranged, 30 seconds~40 seconds time；As being against place at the C in Fig. 3；
Finally, it powers off, it is cooling, fixture is unclamped, coil is taken out, removes coil protection.
Further include in the step (1)：Remove first layer coil 10 nipple and second layer coil 20 it is interior
The oxide layer of joint.
In the step (2), further include before heating：In the nipple and second layer coil of first layer coil 10
Place insulation blocking object 30 in the lower section of 20 nipple.
In the step (2), further include before heating：In the nipple and second layer coil of first layer coil 10
Place cooling protection object in the rear of 20 nipple.
In the step (2), the set of frequency of Intermediate Frequency Induction Heating Equipment is 15KHz.
As shown in Fig. 5~6, the fixture used in the double-casing motor main pole coil welding method, it includes：
Inside casing alignment means, the inside casing alignment means are used to be aligned the interior of first layer coil 10 and second layer coil 20
Frame, to form the electrodes of motor coil of an entirety；
Support device, the support device is for being supported and positioning to the electrodes of motor coil after alignment；
Nipple pressing device, the nipple pressing device are arranged in support device, and the nipple compresses
Device is for the side of the nipple of the first layer coil 10 in support device and the nipple of second layer coil 20 to be resisted against
Together.
As shown in fig. 6, the inside casing alignment means include locating piece 1, briquetting 2 and connector, the locating piece 1 has base
Plate 11 and positioning protrusion 12, the substrate 11 for being abutted with the side of the first layer coil 10, use by the positioning protrusion 12
In the inside casing of the inside casing and the second layer coil 20 that stretch into the first layer coil 10, to make the inside casing of first layer coil 10
Be aligned with the inside casing of second layer coil 20, the shape of positioning protrusion 12 just in first layer coil 10 and second layer coil 20
Frame shape matches, and for the briquetting 2 for being abutted with the side of the second layer coil 20, the connector is described for connecting
Locating piece 1 and the briquetting 2.Bolt may be used in connector, so that briquetting is compressed first layer coil 10 and the by screwing bolt
Two layer line circles 20.
As shown in Fig. 5~6, the support device includes vertical gripper shoe 3 and horizontally-supported piece 4 at least one, the water
Flat supporting block 4 is connected in the vertical gripper shoe 3, and described horizontally-supported piece 4 is used for against the bottom surface of electrodes of motor coil, institute
Vertical gripper shoe 3 is stated for the one side against electrodes of motor coil.Horizontally-supported piece 4 in the present embodiment is two, still
Horizontally-supported piece 4 of quantity is not limited thereto.
As shown in fig. 6, fixture further includes the locking for connecting corresponding horizontally-supported piece 4 and the vertical gripper shoe 3
Bolt, the kidney slot 31 being placed in the vertical direction is provided in vertical gripper shoe 3, and the clamping screw passes through the kidney slot
Be screwed in after 31 on described horizontally-supported piece 4, clamping screw unscrewed, can make described horizontally-supported piece 4 along vertical gripper shoe 3
On kidney slot 31 move up and down, to adapt to various sizes of coil.
As shown in fig. 6, the nipple pressing device includes pressing plate 5 and connection component, the pressing plate 5 passes through connection component
It is connected in vertical gripper shoe 3, the pressing plate 5 is used for against the another side of electrodes of motor coil, to by pressing plate 5 and erect
The side of the nipple of first layer coil 10 and the nipple of second layer coil 20 is abutted together by allotment fagging 3.Connection group
Part may be bolt.
As shown in fig. 6, on the pressing plate 5 against on the position of nipple and/or the vertical gripper shoe 3 against nipple
Position be provided with heatproof ceramic body 53.
As shown in fig. 6, the support device further includes bottom plate 6, the vertical gripper shoe 3 is mounted on bottom plate 6, and institute
It states vertical gripper shoe 3 and the bottom plate 6 is positioned by positioning pin 7.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (12)
1. a kind of double-casing motor main pole coil welding method, the method is used for the nipple and second to first layer coil (10)
The nipple of layer line circle (20) is welded, it is characterised in that includes in the step of the method：
(1) inside casing registration process of the inside casing alignment means to first layer coil (10) and second layer coil (20) is used, to
The electrodes of motor coil for forming an entirety, by the electrodes of motor coil support after alignment and is located in support device, and adopt
The side of the nipple of first layer coil (10) and the nipple of second layer coil (20) is resisted against with nipple pressing device
Together；
(2) Intermediate Frequency Induction Heating Equipment is set, and using Intermediate Frequency Induction Heating Equipment to the nipple of first layer coil (10) and
The nipple of second layer coil (20) is heated against place；
(3) after heating a period of time, cored solder is being placed against place, after material to be brazed melts, the first layer coil (10)
The nipple of nipple and the second layer coil (20) is to be brazed together.
2. double-casing motor main pole coil welding method according to claim 1, it is characterised in that：In the step (1)
In further include：Remove the oxide layer at the nipple of first layer coil (10) and the nipple of second layer coil (20).
3. double-casing motor main pole coil welding method according to claim 1, it is characterised in that：In the step (2)
In, further include before heating：It is put below the nipple of first layer coil (10) and the nipple of second layer coil (20)
Set insulation blocking object (30).
4. double-casing motor main pole coil welding method according to claim 1, it is characterised in that：In the step (2)
In, further include before heating：It is put at the rear of the nipple of the nipple and second layer coil (20) of first layer coil (10)
Set cooling protection object.
5. double-casing motor main pole coil welding method according to claim 1, it is characterised in that：In the step (2)
In, the set of frequency of Intermediate Frequency Induction Heating Equipment is 15KHz.
6. the fixture used in a kind of double-casing motor main pole coil welding method as described in any one of claim 1 to 5,
It is characterized in that, it includes：
Inside casing alignment means, the inside casing alignment means are used to be aligned the interior of first layer coil (10) and second layer coil (20)
Frame, to form the electrodes of motor coil of an entirety；
Support device, the support device is for being supported and positioning to the electrodes of motor coil after alignment；
Nipple pressing device, the nipple pressing device is arranged in support device, and the nipple pressing device
For the side of the nipple of the first layer coil (10) in support device and the nipple of second layer coil (20) to be resisted against
Together.
7. fixture according to claim 6, it is characterised in that：The inside casing alignment means include locating piece (1), briquetting
(2) and connector, the locating piece (1) has substrate (11) and a positioning protrusion (12), and the substrate (11) is for described the
The side of one layer line circle (10) abuts, and the positioning protrusion (12) is used to stretch into the inside casing of the first layer coil (10) and described
The inside casing of second layer coil (20), to make the inside casing of first layer coil (10) and the inside casing of second layer coil (20) be aligned, institute
Briquetting (2) is stated for being abutted with the side of the second layer coil (20), the connector be used to connect the locating piece (1) and
The briquetting (2).
8. fixture according to claim 6, it is characterised in that：The support device includes vertical gripper shoe (3) and at least
One horizontally-supported piece (4), horizontally-supported piece (4) are connected in the vertical gripper shoe (3), described horizontally-supported piece
(4) it is used for against the bottom surface of electrodes of motor coil, the vertical gripper shoe (3) is used for the one side against electrodes of motor coil.
9. fixture according to claim 8, it is characterised in that：Further include for connect corresponding horizontally-supported piece (4) with
The clamping screw of the vertical gripper shoe (3) is provided with the kidney slot being placed in the vertical direction on the vertical gripper shoe (3)
(31), the clamping screw is screwed in after passing through the kidney slot (31) on horizontally-supported piece (4).
10. fixture according to claim 8, it is characterised in that：The nipple pressing device includes pressing plate (5) and connection
Component, the pressing plate (5) are connected to by connection component in vertical gripper shoe (3), and the pressing plate (5) is used for against electrodes of motor
The another side of coil, to by pressing plate (5) and vertical gripper shoe (3) by the nipple and the second layer of first layer coil (10)
The side of the nipple of coil (20) is abutted together.
11. fixture according to claim 10, it is characterised in that：On the pressing plate (5) against the position of nipple and/or
The position of nipple is provided with heatproof ceramic body (53) on the vertical gripper shoe (3).
12. fixture according to claim 8, it is characterised in that：The support device further includes bottom plate (6), described vertical
Support plate (3) is mounted on bottom plate (6), and the vertical gripper shoe (3) and the bottom plate (6) are carried out by positioning pin (7)
Positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991993.2A CN106424997B (en) | 2016-11-10 | 2016-11-10 | Double-casing motor main pole coil welding method and its fixture used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991993.2A CN106424997B (en) | 2016-11-10 | 2016-11-10 | Double-casing motor main pole coil welding method and its fixture used |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106424997A CN106424997A (en) | 2017-02-22 |
| CN106424997B true CN106424997B (en) | 2018-09-04 |
Family
ID=58206862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610991993.2A Active CN106424997B (en) | 2016-11-10 | 2016-11-10 | Double-casing motor main pole coil welding method and its fixture used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424997B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1790880A (en) * | 2004-11-19 | 2006-06-21 | 通用电气公司 | Method and system for applying an isolation layer to a brazed end of a generator armature winding bar |
| CN101563736A (en) * | 2006-11-16 | 2009-10-21 | 米兰综合工科大学 | Multiconnection coil structure |
| CN102769360A (en) * | 2012-08-15 | 2012-11-07 | 中电电机股份有限公司 | Winding solidification device of main pole coil |
| CN203304734U (en) * | 2013-06-27 | 2013-11-27 | 湘潭电机股份有限公司 | Welding tool for motor pole coil |
| JP2014183623A (en) * | 2013-03-18 | 2014-09-29 | Aisin Aw Co Ltd | Conductor joint method of rotary electric machine and coil for rotary electric machine |
| JP2015104249A (en) * | 2013-11-26 | 2015-06-04 | 株式会社豊田自動織機 | Coil joining method for rotary electric machine and coil for rotary electric machine |
| CN206326228U (en) * | 2016-11-10 | 2017-07-14 | 新誉轨道交通科技有限公司 | Double-casing motor main pole coil welding jigs and fixtures |
-
2016
- 2016-11-10 CN CN201610991993.2A patent/CN106424997B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1790880A (en) * | 2004-11-19 | 2006-06-21 | 通用电气公司 | Method and system for applying an isolation layer to a brazed end of a generator armature winding bar |
| CN101563736A (en) * | 2006-11-16 | 2009-10-21 | 米兰综合工科大学 | Multiconnection coil structure |
| CN102769360A (en) * | 2012-08-15 | 2012-11-07 | 中电电机股份有限公司 | Winding solidification device of main pole coil |
| JP2014183623A (en) * | 2013-03-18 | 2014-09-29 | Aisin Aw Co Ltd | Conductor joint method of rotary electric machine and coil for rotary electric machine |
| CN203304734U (en) * | 2013-06-27 | 2013-11-27 | 湘潭电机股份有限公司 | Welding tool for motor pole coil |
| JP2015104249A (en) * | 2013-11-26 | 2015-06-04 | 株式会社豊田自動織機 | Coil joining method for rotary electric machine and coil for rotary electric machine |
| CN206326228U (en) * | 2016-11-10 | 2017-07-14 | 新誉轨道交通科技有限公司 | Double-casing motor main pole coil welding jigs and fixtures |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106424997A (en) | 2017-02-22 |
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