CN105978248B - A kind of manufacturing method being bonded iron core type motor - Google Patents
A kind of manufacturing method being bonded iron core type motor Download PDFInfo
- Publication number
- CN105978248B CN105978248B CN201610461769.2A CN201610461769A CN105978248B CN 105978248 B CN105978248 B CN 105978248B CN 201610461769 A CN201610461769 A CN 201610461769A CN 105978248 B CN105978248 B CN 105978248B
- Authority
- CN
- China
- Prior art keywords
- rotor
- stator
- silicon
- bonding agent
- iron core
- 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.)
- Active
Links
Classifications
-
- 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
- H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J171/00—Adhesives based on polyethers obtained by reactions forming an ether link in the main chain; Adhesives based on derivatives of such polymers
- C09J171/02—Polyalkylene oxides
- C09J171/03—Polyepihalohydrins
Abstract
The invention belongs to technical field of motor manufacture, more particularly to a kind of manufacturing method for being bonded iron core type motor, include the steps that stator rotor one-piece casting, the stator rotor one-piece casting are to carry out operating procedure of the one-piece casting to obtain stator and rotor to stator winding cage and rotor windings cage respectively in pouring mould after mixing silicon-steel powder and bonding agent.The present invention can carry out the manufacture of stator rotor core portion by the cured mode of one-piece casting, the present invention has the simple low consumption of manufacturing process, and the stator rotor body overall performance being fabricated is good, copper factor is high, and core material utilization rate is high, the advantages of thermal diffusivity of motor is good, long service life.
Description
Technical field
The invention belongs to technical field of motor manufacture more particularly to a kind of manufacturing methods for being bonded iron core type motor.
Background technique
In existing motor manufacturing technology, especially rotor, stator manufacturing technology, the manufacturing method master of core portion
It will be based on the superposition fixed form of silicon steel sheet.The iron core manufacturing process of silicon steel sheet form mainly includes that surface is equipped with insulating coating
Silicon steel sheet stack be fixed on electric machine rotational axis, then entire iron core is bonded into an entirety using the modes such as injecting glue, wherein
Machine winding is made with embedding technology on silicon steel sheet.There are the manufacturing process of motor complexity in this method, production efficiency is low, energy consumption
Height, and since the characteristics of embedding technology determines that the copper factor of motor is low, reduce the utilization rate of electric machine iron core.
The Chinese invention patent that patent publication No. is 104218699 A of CN, publication date is 2014.12.17 discloses one kind
The manufacturing method of motor and motor, motor include circuit board, power supply lead wire, stator component and rotor part；Manufacturing method includes
Stator core and Insulating frame are prepared, in plugging conductive terminal on Insulating frame, winding is set around to the wire casing of stator core, and
The end of a thread of winding is connected to conductive terminal, circuit-board card is placed on conductive terminal and is electrically connected circuit board with conductive terminal,
Power supply lead wire is welded in conductive terminal or circuit board.
But there are core portion manufacture complexity in the motor manufacturing method, overall performance difference and copper factor are low, and are
The problem of suitable for small amount power.
Summary of the invention
The object of the present invention is to provide a kind of manufacturing methods for being bonded iron core type motor, can be cured by one-piece casting
Mode carries out the manufacture of stator rotor core portion, and the present invention has the simple low consumption of manufacturing process, the stator rotor being fabricated
The advantages of body overall performance is good, copper factor is high, and core material utilization rate is high, and the thermal diffusivity of motor is good, long service life.
The present invention solve the above problems the technical solution adopted is that: it is a kind of be bonded iron core type motor manufacturing method, including
The step of stator rotor one-piece casting, the stator rotor one-piece casting be after silicon-steel powder and bonding agent are mixed in pouring mould
One-piece casting is carried out to obtain the operating procedure of stator and rotor to stator winding cage and rotor windings cage respectively.
Further preferred technical solution is: the formula of the bonding agent includes 70-78 parts of epoxies based on parts by weight
Chloropropane resin, 20-25 part quartz powder filler, 3-5 parts of toughener and 1-4 parts of coupling agents.
Further preferred technical solution is: the silicon-steel powder diameter is micron order or nanoscale, the silicon-steel powder
It is mixed with the bonding agent with weight ratio for the proportion of 10:1-10:5.
Further preferred technical solution is: the bonding agent of 1/3-1/2 weight and complete being first added in mixing machine
The silicon-steel powder in portion 120-280 revs/min middle low rotation speed and 150-185 DEG C at a temperature of carry out mixing 1-3h, then
The remaining whole bonding agent is added and the middle low speed that revolving speed is increased to 350-380 revs/min is subjected to mixing 0.5-1.5h, most
It is directly poured after heat preservation maintenance 0.5-1h at 30-75 revs/min of low rotation speed and 165-185 DEG C afterwards.In the setting
The mixed process be divided into 1-3h early period long period pre-mixing stage, 0.5-1.5h main mix stages and last guarantor
Thermophase, main mix stages revolving speed is higher, is further ensured that the distributing homogeneity of the bonding agent, wherein the bonding agent is divided to two
Secondary addition, guarantee the bonding agent and silicon-steel powder is uniformly mixed and avoids the bonding agent to influence due to stirring insufficient
Last mixture homogeneity further increases the uniformity of mixing pouring material wherein stirring at low speed mixing in using.
Further preferred technical solution is: pouring mouth in casting process and is located at top in the middle part of the winding cage, pours
Direction and the angular range poured between the vertical axial direction of mould are 15-25 °, and thermostatically controlled temp is 60-120 in casting process
DEG C, it is cooled and shaped after keeping the temperature 2-4h after pouring.Casting process needs heating and thermal insulation in the setting, to be bonded after guaranteeing pouring molding
The degree that is evenly distributed of agent and silicon-steel powder.
Further preferred technical solution is: the silicon-steel powder is passed through by the way of ball powder-grinding or air-flow powder
Multiple coarse crushing process and smart shattering process, so that the silicon-steel powder diameter control is between 3-40um.Described in the setting
Coarse crushing process and smart shattering process are multiplicating shattering process, are made after the coarse crushing process first carried out
The diameter control of the silicon-steel powder is the medium sized silicon-steel powder between 175-245um.
Further preferred technical solution is: the winding cage is made up on winding former of enameled wire, the coiling
Mould is fixed in stent.
Further preferred technical solution is: after the stator and rotor pouring molding, carrying out casing and end cap etc.
Partial assembling process.
The present invention can carry out the manufacture of stator rotor core portion by the cured mode of one-piece casting, and the present invention has system
The simple low consumption of process is made, the stator rotor body overall performance being fabricated is good, copper factor is high, and core material utilization rate is high, motor
Thermal diffusivity it is good, the advantages of long service life.
Specific embodiment
As described below is only presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention.
Embodiment one: a kind of manufacturing method being bonded iron core type motor includes the steps that stator rotor one-piece casting, described
Stator rotor one-piece casting be after silicon-steel powder and bonding agent are mixed in pouring mould respectively to stator winding cage and rotor around
Group cage carries out one-piece casting to obtain the operating procedure of stator and rotor.
The formula of the bonding agent includes 72 parts of epichlorohydrin resins, 22 parts of quartz powder fillers, 4 parts based on parts by weight
Toughener and 2 parts of coupling agents.The silicon-steel powder diameter is micron order or nanoscale, the silicon-steel powder and the bonding agent with
Weight ratio is that the proportion of 10:1 is mixed.
The bonding agent and the whole silicon-steel powders that 1/3 weight is first added in mixing machine are low in 120 revs/min
Mixing 1h is carried out at a temperature of fast revolving speed and 150 DEG C, the remaining whole bonding agent is added and revolving speed is increased to 350
Rev/min middle low speed carry out mixing 0.5h, it is finally straight after heat preservation maintenance 0.5h at 30 revs/min of low rotation speed and 165 DEG C
Row is tapped into pour.The mixed process be divided into 1-3h early period long period pre-mixing stage, 0.5-1.5h main mix stages
And last holding stage, main mix stages revolving speed is higher, is further ensured that the distributing homogeneity of the bonding agent, wherein institute
It states bonding agent to be added in two portions, guarantee the bonding agent and silicon-steel powder is uniformly mixed and avoids the bonding agent because of stirring
It is insufficient and influence last mixture homogeneity, wherein stirring at low speed mixing in using, further increases and mix the equal of pouring material
Even property.
Mouth is poured in casting process be located at top in the middle part of the winding cage, casting direction and described pour mould axial direction vertically
Between angular range be 15 °, in casting process thermostatically controlled temp be 60 DEG C, after pouring keep the temperature 2h after be cooled and shaped, poured
Journey needs heating and thermal insulation, to guarantee the degree that is evenly distributed of bonding agent and silicon-steel powder after pouring molding.
The silicon-steel powder is broken by multiple coarse crushing process and essence by the way of ball powder-grinding or air-flow powder
Process, so that the silicon-steel powder diameter control is between 10um.The coarse crushing process and smart shattering process are multiple weight
Shattering process is answered, makes the diameter control of the silicon-steel powder between 180um after the coarse crushing process first carried out, is
The medium sized silicon-steel powder.
The winding cage is made up on winding former of enameled wire, and the winding former is fixed in stent.It is described fixed
After son and rotor pouring molding, the assembling process of the parts such as casing and end cap is carried out.
In the present embodiment, the iron core of the rotor and stator is manufactured by the way of one-piece casting, due to pouring
It builds in material and is uniformly distributed non-conductive, non-magnetic resinae bonding agent, so that although entire iron core is to be integrally formed, but avoid
One monolith silicon steel is placed on the adverse condition that a large amount of eddy-current losses are generated in changing magnetic field, in the present embodiment, pouring material
In non-conductive, non-magnetic resin play in traditional technology that the equally similar effect of insulating layer, the setting are given between silicon steel sheet
Manufactured motor provides the feasibility basis of practicability in the present embodiment.
The partial parameters index of manufactured motor is as follows in the present embodiment:
Parameter iron loss (W/kg) magnetic induction intensity (T) coercivity (A/m) 10% degree of splitting phase
National standard≤15.0 >=1.12(B50)≤42 >=48000h
One 12.6 1.23(B of embodiment50) 32 52000h
It therefore follows that the motor manufactured in the present embodiment has iron loss low, good mechanical property and magnetic induction performance are high
The advantages of.
Embodiment two: a kind of manufacturing method being bonded iron core type motor includes the steps that stator rotor one-piece casting, described
Stator rotor one-piece casting be after silicon-steel powder and bonding agent are mixed in pouring mould respectively to stator winding cage and rotor around
Group cage carries out one-piece casting to obtain the operating procedure of stator and rotor.
The formula of the bonding agent includes 73 parts of epichlorohydrin resins, 23 parts of quartz powder fillers, 3 parts based on parts by weight
Toughener and 1 part of coupling agent.The silicon-steel powder diameter is micron order or nanoscale, the silicon-steel powder and the bonding agent with
Weight ratio is that the proportion of 10:3 is mixed.
The bonding agent and the whole silicon-steel powders that 2/5 weight is first added in mixing machine are low in 120 revs/min
Mixing 1h is carried out at a temperature of fast revolving speed and 150 DEG C, the remaining whole bonding agent is added and revolving speed is increased to 350
Rev/min middle low speed carry out mixing 0.5h, it is finally straight after heat preservation maintenance 0.5h at 30 revs/min of low rotation speed and 165 DEG C
Row is tapped into pour.The mixed process be divided into 1-3h early period long period pre-mixing stage, 0.5-1.5h main mix stages
And last holding stage, main mix stages revolving speed is higher, is further ensured that the distributing homogeneity of the bonding agent, wherein institute
It states bonding agent to be added in two portions, guarantee the bonding agent and silicon-steel powder is uniformly mixed and avoids the bonding agent because of stirring
It is insufficient and influence last mixture homogeneity, wherein stirring at low speed mixing in using, further increases and mix the equal of pouring material
Even property.
Mouth is poured in casting process be located at top in the middle part of the winding cage, casting direction and described pour mould axial direction vertically
Between angular range be 20 °, in casting process thermostatically controlled temp be 60 DEG C, after pouring keep the temperature 2h after be cooled and shaped, poured
Journey needs heating and thermal insulation, to guarantee the degree that is evenly distributed of bonding agent and silicon-steel powder after pouring molding.
The silicon-steel powder is broken by multiple coarse crushing process and essence by the way of ball powder-grinding or air-flow powder
Process, so that the silicon-steel powder diameter control is between 20um.The coarse crushing process and smart shattering process are multiple weight
Shattering process is answered, makes the diameter control of the silicon-steel powder between 200um after the coarse crushing process first carried out, is
The medium sized silicon-steel powder.
The winding cage is made up on winding former of enameled wire, and the winding former is fixed in stent.It is described fixed
After son and rotor pouring molding, the assembling process of the parts such as casing and end cap is carried out.
In the present embodiment, the iron core of the rotor and stator is manufactured by the way of one-piece casting, due to pouring
It builds in material and is uniformly distributed non-conductive, non-magnetic resinae bonding agent, so that although entire iron core is to be integrally formed, but avoid
One monolith silicon steel is placed on the adverse condition that a large amount of eddy-current losses are generated in changing magnetic field, in the present embodiment, pouring material
In non-conductive, non-magnetic resin play in traditional technology that the equally similar effect of insulating layer, the setting are given between silicon steel sheet
Manufactured motor provides the feasibility basis of practicability in the present embodiment.
The partial parameters index of manufactured motor is as follows in the present embodiment:
Parameter iron loss (W/kg) magnetic induction intensity (T) coercivity (A/m) 10% degree of splitting phase
National standard≤15.0 >=1.12(B50)≤42 >=48000h
2 13.2 1.21(B of embodiment50) 34 51000h
It therefore follows that the motor manufactured in the present embodiment has iron loss low, good mechanical property and magnetic induction performance are high
The advantages of.
Embodiment three: a kind of manufacturing method being bonded iron core type motor includes the steps that stator rotor one-piece casting, described
Stator rotor one-piece casting be after silicon-steel powder and bonding agent are mixed in pouring mould respectively to stator winding cage and rotor around
Group cage carries out one-piece casting to obtain the operating procedure of stator and rotor.
The formula of the bonding agent includes 76 parts of epichlorohydrin resins, 20 parts of quartz powder fillers, 3 parts based on parts by weight
Toughener and 1 part of coupling agent.The silicon-steel powder diameter is micron order or nanoscale, the silicon-steel powder and the bonding agent with
Weight ratio is that the proportion of 10:5 is mixed.
The bonding agent and the whole silicon-steel powders that 1/2 weight is first added in mixing machine are low in 280 revs/min
Mixing 3h is carried out at a temperature of fast revolving speed and 185 DEG C, the remaining whole bonding agent is added and revolving speed is increased to 380
Rev/min middle low speed carry out mixing 0.5h, finally at 30 revs/min of low rotation speed and 165 DEG C heat preservation maintenance 1h after directly
It is poured.The mixed process be divided into 1-3h early period long period pre-mixing stage, 0.5-1.5h main mix stages with
And last holding stage, main mix stages revolving speed is higher, the distributing homogeneity of the bonding agent is further ensured that, wherein described
Bonding agent is added in two portions, and guarantee the bonding agent and silicon-steel powder is uniformly mixed and avoids the bonding agent because stirring not
Last mixture homogeneity sufficiently is influenced, wherein stirring at low speed mixing in using, further increases the uniform of mixing pouring material
Property.
Mouth is poured in casting process be located at top in the middle part of the winding cage, casting direction and described pour mould axial direction vertically
Between angular range be 20 °, in casting process thermostatically controlled temp be 100 DEG C, after pouring keep the temperature 2h after be cooled and shaped, poured
Journey needs heating and thermal insulation, to guarantee the degree that is evenly distributed of bonding agent and silicon-steel powder after pouring molding.
The silicon-steel powder is broken by multiple coarse crushing process and essence by the way of ball powder-grinding or air-flow powder
Process, so that the silicon-steel powder diameter control is between 30um.The coarse crushing process and smart shattering process are multiple weight
Shattering process is answered, makes the diameter control of the silicon-steel powder between 195um after the coarse crushing process first carried out, is
The medium sized silicon-steel powder.
The winding cage is made up on winding former of enameled wire, and the winding former is fixed in stent.It is described fixed
After son and rotor pouring molding, the assembling process of the parts such as casing and end cap is carried out.
In the present embodiment, the iron core of the rotor and stator is manufactured by the way of one-piece casting, due to pouring
It builds in material and is uniformly distributed non-conductive, non-magnetic resinae bonding agent, so that although entire iron core is to be integrally formed, but avoid
One monolith silicon steel is placed on the adverse condition that a large amount of eddy-current losses are generated in changing magnetic field, in the present embodiment, pouring material
In non-conductive, non-magnetic resin play in traditional technology that the equally similar effect of insulating layer, the setting are given between silicon steel sheet
Manufactured motor provides the feasibility basis of practicability in the present embodiment.
The partial parameters index of manufactured motor is as follows in the present embodiment:
Parameter iron loss (W/kg) magnetic induction intensity (T) coercivity (A/m) 10% degree of splitting phase
National standard≤15.0 >=1.12(B50)≤42 >=48000h
3 14.0 1.31(B of embodiment50) 40 53000h
It therefore follows that the motor manufactured in the present embodiment has iron loss low, good mechanical property and magnetic induction performance are high
The advantages of.
The embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments, in institute
It states technical field those of ordinary skill within the scope of knowledge, can also make without departing from the purpose of the present invention
Various modifications.These are all without creative modification, as long as all by Patent Law in scope of the presently claimed invention
Protection.
Claims (5)
1. a kind of manufacturing method for being bonded iron core type motor, it is characterised in that: include the steps that stator rotor one-piece casting, it is described
Stator rotor one-piece casting be after silicon-steel powder and bonding agent are mixed in pouring mould respectively to stator winding cage and rotor around
Group cage carries out one-piece casting to obtain the operating procedure of stator and rotor；
The bonding agent and whole silicon-steel powders that 1/3-1/2 weight is first added in mixing machine are at 120-280 revs/min
Mixing 1-3h is carried out at a temperature of middle low rotation speed and 150-185 DEG C, add the remaining whole bonding agent and will be turned
The middle low speed that speed is increased to 350-380 revs/min carries out mixing 0.5-1.5h, finally 30-75 revs/min low rotation speed and
It is directly poured after heat preservation maintenance 0.5-1h at 165-185 DEG C；
Mouth is poured in casting process and is located at top in the middle part of the winding cage, casting direction and described is poured between the vertical axial direction of mould
Angular range is 15-25 °, and thermostatically controlled temp is 60-120 DEG C in casting process, is cooled and shaped after keeping the temperature 2-4h after pouring；
The silicon-steel powder passes through multiple coarse crushing process and smart shattering process by the way of ball powder-grinding or air-flow powder,
So that the silicon-steel powder diameter control is between 3-40um.
2. a kind of manufacturing method for being bonded iron core type motor according to claim 1, it is characterised in that: the bonding agent
Formula includes 70-78 parts of epichlorohydrin resins, 20-25 parts of quartz powder fillers, 3-5 parts of toughener and 1- based on parts by weight
4 parts of coupling agents.
3. it is according to claim 2 it is a kind of be bonded iron core type motor manufacturing method, it is characterised in that: the silicon-steel powder and
The bonding agent is mixed with weight ratio for the proportion of 10:1-10:5.
4. a kind of manufacturing method for being bonded iron core type motor according to claim 1, it is characterised in that: the winding cage is logical
It crosses the coiling enameled wire on winding former to be made, the winding former is fixed in stent.
5. it is according to claim 1 it is a kind of be bonded iron core type motor manufacturing method, it is characterised in that: the stator and
After rotor pouring molding, the assembling process of casing and end cap is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610461769.2A CN105978248B (en) | 2016-06-23 | 2016-06-23 | A kind of manufacturing method being bonded iron core type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610461769.2A CN105978248B (en) | 2016-06-23 | 2016-06-23 | A kind of manufacturing method being bonded iron core type motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105978248A CN105978248A (en) | 2016-09-28 |
| CN105978248B true CN105978248B (en) | 2019-03-22 |
Family
ID=57022690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610461769.2A Active CN105978248B (en) | 2016-06-23 | 2016-06-23 | A kind of manufacturing method being bonded iron core type motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105978248B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218699A (en) * | 2014-08-19 | 2014-12-17 | 广东威灵电机制造有限公司 | Motor and motor manufacturing method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4171619B2 (en) * | 2002-06-03 | 2008-10-22 | 亮 若桑 | Iron core forming method and electromagnetic induction device using the iron core |
| JP2007043823A (en) * | 2005-08-03 | 2007-02-15 | Nissan Motor Co Ltd | Process for manufacturing permanent magnet rotor |
-
2016
- 2016-06-23 CN CN201610461769.2A patent/CN105978248B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218699A (en) * | 2014-08-19 | 2014-12-17 | 广东威灵电机制造有限公司 | Motor and motor manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105978248A (en) | 2016-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104835616B (en) | Circular-ring-shaped high-power electric reactor and manufacturing method thereof | |
| CN103177838A (en) | Soft magnetism composite powder and preparation method thereof | |
| CN203312928U (en) | Amorphous iron alloy type switch magnetic resistance motor | |
| JP2017037888A (en) | Magnetic powder mold coil and method of manufacturing the same | |
| US8932517B2 (en) | Powder based soft magnetic inductive component, and a method and a device for production thereof | |
| CN102594068A (en) | Method for widening weak magnetic speed regulating range of permanent magnet synchronous motor and stator of permanent magnet synchronous motor | |
| CN107020373A (en) | One kind SiO2Coat method and metal soft magnetic powder core prepared by this method that technology of metal powder prepares metal soft magnetic powder core | |
| CN105978248B (en) | A kind of manufacturing method being bonded iron core type motor | |
| CN108793756A (en) | A kind of glass powder and preparation method thereof for Fe-Si-Al magnetic core insulating wrapped | |
| CN203774888U (en) | Glue sealing stator | |
| CN106100251B (en) | A kind of manufacturing method of straight winding thin-walled hollow rotor cup | |
| KR20200060841A (en) | Manufacturing method of a hybrid type inductor and Hybrid type inductor manufactured using the method | |
| CN103700482A (en) | Low-cost Fe-Si-B-Cu-Nb-Al-Ni nanocrystalline magnetic core preparation method for high-frequency electronic transformer | |
| CN104575947A (en) | Inductor and manufacturing method thereof | |
| CN108899152A (en) | A kind of more insulating layer iron silicon substrate soft magnetic-powder cores and preparation method thereof | |
| CN109545536A (en) | A kind of manufacturing method of Fe-based amorphous alloy transformer core | |
| CN204668077U (en) | A kind of high-power annular Novel reactor | |
| CN208015479U (en) | A kind of stator structure, outer rotor hub motor and the wheel of disc type wheel hub motor | |
| CN102510195A (en) | Squirrel-cage type induction motor rotor | |
| CN104795230A (en) | Method for manufacturing insulating cylinder coil winding of dry type transformer | |
| CN207184183U (en) | DC low-speed motor and its large-scale ceiling fan | |
| CN106373758B (en) | A kind of transformer high-voltage coil and the mold for manufacturing the coil | |
| CN109628848A (en) | A kind of Retarder dilval magnetic conductive board and preparation method thereof | |
| CN218771496U (en) | Iron core-free motor stator structure | |
| CN104987671A (en) | Method for preparing composite material with high thermal conductivity by utilizing diamond powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |