CN109686530A - Flaked bonding material and magnetic work and preparation method thereof and purposes - Google Patents
Flaked bonding material and magnetic work and preparation method thereof and purposes Download PDFInfo
- Publication number
- CN109686530A CN109686530A CN201910051225.2A CN201910051225A CN109686530A CN 109686530 A CN109686530 A CN 109686530A CN 201910051225 A CN201910051225 A CN 201910051225A CN 109686530 A CN109686530 A CN 109686530A
- Authority
- CN
- China
- Prior art keywords
- flaked
- magnetic
- glue
- magnetic material
- insulating layer
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0205—Magnetic circuits with PM in general
- H01F7/021—Construction of PM
- H01F7/0215—Flexible forms, sheets
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/21—Paper; Textile fabrics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/124—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
-
- 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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
-
- 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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
- C09J2400/12—Ceramic
- C09J2400/123—Ceramic in the substrate
-
- 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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
- C09J2400/14—Glass
- C09J2400/143—Glass in the substrate
-
- 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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/26—Presence of textile or fabric
- C09J2400/263—Presence of textile or fabric in the substrate
-
- 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
- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
- C09J2423/046—Presence of homo or copolymers of ethene in the substrate
-
- 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
- C09J2461/00—Presence of condensation polymers of aldehydes or ketones
-
- 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
- C09J2463/00—Presence of epoxy resin
-
- 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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
-
- 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
- C09J2477/00—Presence of polyamide
- C09J2477/006—Presence of polyamide in the substrate
-
- 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
- C09J2479/00—Presence of polyamine or polyimide
- C09J2479/08—Presence of polyamine or polyimide polyimide
Abstract
The present invention provides a kind of flaked bonding material and magnetic work and preparation method thereof and purposes, are related to magnetic material bonding field.Flaked bonding material provided by the invention includes: insulating layer；Glue-line, the glue-line are arranged on two opposite surfaces of the insulating layer.Inventors have found that the flaked bonding material structure is simple, thickness is uniform, and product thickness is easily controllable, not bubbles, and bond effect and insulation effect are excellent.
Description
Technical field
The present invention relates to magnetic materials to bond field, in particular to a kind of flaked bonding material and magnetic work and
Preparation method and purposes.
Background technique
With the continuous improvement of new energy industry and perfect, the development and application of magnetic material motor enters a new rank
Section, since monolith magnetic material magnet steel can generate vortex in-fighting in motor high speed motions, when vortex, is also easy to produce heat, no
So that motor temperature increased, caused energy loss, and magnet steel is easy demagnetization after temperature rising, causes motor that can not work fortune
Turn, in order to solve the problems such as above-mentioned magnetic steel of motor service life is low, energy consumption is high, at present usually after magnetic material magnet steel fragment again
It is glued integral magnetic magnet steel.
In the prior art, it is bonded after magnet steel fragment using bead and binder mixtures, however the addition of bead is dropped
The low adhesive property of binder；And bead is easy to mix unevenly, in bead and binder mixed process with binder
Bubble is often generated, the mixture containing bladdery bead and binder is applied to cure under pressure on magnetic material and is toasted
Afterwards, lead to bubbles burst, bonding gap generates many holes, influences product insulation effect and appearance, bead and binder
Mixture, which not can guarantee, yet to be uniformly applied on magnetic material, not can guarantee the one of bonding gap after so that product is solidified baking
It causes, and bead, in cure under pressure, bead is easy overlapping, stress is also easily broken after squeezing, and leads to product insulation effect
Fruit is undesirable.
In view of this, the present invention is specifically proposed.
Summary of the invention
One of the objects of the present invention is to provide a kind of flaked bonding materials, and the flaked bonding material structure is simple, thickness
Uniform, product thickness is easily controllable, not bubbles, and bond effect and insulation effect are excellent, is especially suitable for lamination and bonds magnetic material
Material, and phenomena such as glue-line consistency of thickness is good, and section is smooth, no hole is bonded, magnetic group had excellent performance conducive to acquisition
Close workpiece.
Flaked bonding material provided by the present invention for bonded magnetic material includes: insulating layer；Glue-line, the glue-line are set
It sets on two opposite surfaces of the insulating layer.
Further, the flaked bonding material with a thickness of 0.06-0.20mm, preferably 0.08-0.12mm, further
Preferably 0.08mm, 0.10mm or 0.12mm；The insulating layer with a thickness of 0.03-0.16mm, preferably 0.06-0.1mm,
Further preferably 0.06mm, 0.08mm or 0.1mm.
It is preferably based on the gross mass of the flaked bonding material, the content of the glue-line is 30-50wt%, preferably
30-35wt%；Further preferably 30wt%, 33wt% or 35wt%.
Further, contain through-hole in the insulating layer.
Preferably, the content of the insulating layer is 45-200 grams/m.
Preferably, the insulating layer include aramid fiber, polyester fiber, polyethylene fibre, quartz fibre, glass fibre,
The textile fabric that at least one of boron fibre, carbon fiber, ceramic fibre and natural fiber are formed.
Preferably, the glue-line includes phenolic resin glue, unsaturated-resin glue, cyanic acid ester gum, silicon resin glue, polyurethane
At least one of glue, epoxide-resin glue, bismaleimide glue, polyimides glue and unsaturated polyester resin glue.
The second object of the present invention is to provide a kind of preparation method for preparing mentioned-above flaked bonding material.According to
The embodiment of the present invention, this method comprises: providing insulating layer, the coating glue on two opposite surfaces of the insulating layer, shape
At glue-line.It is simple, convenient as a result, it is easy to accomplish, it is conducive to industrialized production.
The third object of the present invention is to provide a kind of mentioned-above flaked bonding material in magnetic material bonding
Using.Inventors have found that the excellent effect of the flaked bonding material bonded magnetic material, the workpiece appearance looks elegant of acquisition, and piece
Shape binding material similar to double sided adhesive tape structure, bonded magnetic material it is easy to operate, it is easy to accomplish automated production.
The fourth object of the present invention is to provide a kind of magnetic work, between the glue-line and sheet magnetic material of the magnetic work
Phenomena such as bond strength is big, is conducive to produce in enormous quantities, and the section of magnetic work is smooth, no hole, insulation effect is excellent, and
The thickness of adhesive layer is uniform, so that the appearance looks elegant of magnetic work.
Magnetic work provided by the invention includes: multiple sheet magnetic materials, the multiple sheet magnetic material interval setting；It is multiple viscous
Layer is tied, the adjacent sheet magnetic material of any two is connected by the adhesive layer, wherein at least part of the adhesive layer
It is to be prepared using mentioned-above flaked bonding material.
Further, the adhesive layer with a thickness of 0.04-0.2mm, preferably 0.08-0.12mm, further preferably
0.08mm, 0.10mm or 0.12mm.
Preferably, the roughness on the sheet magnetic material surface is 0.8-3.2 microns.
Preferably, the sheet magnetic material includes sintered NdFeB magnet steel, Agglutinate neodymium-iron-boron magnet steel, sintered samarium cobalt magnet steel, iron
In permanent magnetism sintered NdFeB magnet steel after ferrite magnetic steel, alnico magnet, intermetallic compound magnet steel and heavy rare earth diffusion extremely
Few one kind.
The fifth object of the present invention is to provide a kind of preparation method of magnetic work, and this method is easy to operate, can adopt
It is completed with automation equipment, lamination efficiency greatly improves, and reduces a large amount of artificial of lamination process, save the cost is conducive to industry
Metaplasia produces.
The method provided by the invention for preparing mentioned-above magnetic work includes: to bond multiple mentioned-above sheets
Material is successively stacked alternately with multiple sheet magnetic materials；By the workpiece obtained after described be stacked alternately in cure under pressure, institute is obtained
State magnetic work.
Preferably, the method also includes the step of post-processing to the magnetic work, the post-processing includes anti-
At least one of rust processing, insulation processing and spray painting processing.
It further, further include by institute before the workpiece obtained after described be stacked alternately being carried out the cure under pressure
State the step of workpiece carries out room temperature pressure maintaining.
Preferably, the time of the room temperature pressure maintaining is 10-60 minutes, pressure 10-40Mpa.
Preferably, the pressure of the cure under pressure is 10-80MPa, and the time is 60-180 minutes, and temperature is 100-250 DEG C.
Preferably, by the sheet magnetic material and the binding material carry out described in stack before, further include in the magnetism
Sheet surface forms the step of protecting film.
Preferably, the sheet magnetic material is obtained by multi-wire saw.
It is further preferred that the method for preparing the sheet magnetic material include: magnetic material is sintered, surface grinding and
Cleaning, obtains blank material；The blank material is bonded, multi-wire saw, obtains the sheet magnetic material；To the magnetism
Sheet material carries out cleaning treatment.
The sixth object of the present invention is to provide a kind of mentioned-above magnetic work and is preparing the purposes in magnetic steel of motor.
Detailed description of the invention
Fig. 1 is the schematic cross-section of the flaked bonding material in one embodiment of the present invention；
Fig. 2 is the schematic cross-section of the magnetic work in one embodiment of the present invention；
Fig. 3 is the method flow schematic diagram of the preparation magnetic work in one embodiment of the present invention；
Fig. 4 is the method flow schematic diagram of the preparation sheet magnetic material in one embodiment of the present invention.
Icon: 100- insulating layer；200- glue-line；300- sheet magnetic material；400- adhesive layer.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.
It should be noted that in the present invention, if without particularly illustrating, all embodiments mentioned in this article and
Preferred implementation method can be combined with each other to form new technical solution.
In the present invention, if without particularly illustrating, all technical characteristics and preferred feature mentioned in this article can be with
Intercombination forms new technical solution.
In the present invention, if percentage (%) or part refer to the weight relative to composition without particularly illustrating
Percentage or parts by weight.
In the present invention, if related each component or its preferred ingredient can be combined with each other shape without particularly illustrating
The technical solution of Cheng Xin.
In the present invention, unless otherwise indicated, numberical range " a~b " indicates the contracting of any real combinings between a to b
Sketch form shows that wherein a and b is real number.Such as numberical range " 6~22 " indicate herein all listed " 6~22 " it
Between whole real numbers, " 6~22 " be these combinations of values breviary indicate.
" range " disclosed in this invention can be respectively one or more lower limits and one in the form of lower and upper limit
A or multiple upper limits.
In the present invention, unless otherwise indicated, it is each reaction or operating procedure can sequentially carry out, can also in sequence into
Row.Preferably, reaction method herein is that sequence carries out.
Unless otherwise indicated, profession used herein and meaning phase known to scientific term and one skilled in the art
Together.In addition, any method similar to or equal to what is recorded or material can also be applied in the present invention.
In one aspect of the invention, the present invention provides a kind of flaked bonding material for bonded magnetic material, ginsengs
According to Fig. 1, which includes: insulating layer 100；Glue-line 200, the setting of glue-line 200 are opposite in the insulating layer 100
Two surfaces on.Inventors have found that the flaked bonding material structure is simple, thickness is uniform, and product thickness is easily controllable, is free of
Bubble, bond effect and insulation effect are excellent, are especially suitable for lamination bonded magnetic material, since the opposite sides of insulating layer contains
There is glue-line, so that magnetic material can be bonded in its opposite two sides, and the magnetic work obtained after bonding similar to double-sided adhesive by it
Phenomena such as glue-line consistency of thickness is good, and section is smooth, no hole is bonded in part, appearance looks elegant is good-looking, is suitble to extensive raw
It produces.
It, can also be with it should be noted that the thickness for the glue-line being arranged on two opposite surfaces of insulating layer can be identical
Difference, those skilled in the art can carry out flexible choice according to actual needs.
In certain embodiments of the present invention, the flaked bonding material with a thickness of 0.06-0.20mm, such as sheet
The thickness of binding material can be 0.06mm, 0.08mm, 0.10mm, 0.12mm, 0.14mm, 0.16mm, 0.18mm or 0.20mm
Deng, the insulating layer with a thickness of 0.03-0.16mm, for example, insulating layer thickness can for 0.03mm, 0.05mm, 0.07mm,
0.09mm, 0.11mm, 0.13mm, 0.15mm or 0.16mm etc..The integral thickness of flaked bonding material is suitable as a result, insulation
Excellent effect, and the thickness of glue-line is also suitable, it is strong in the binding force of bonded magnetic material Shi Qiyu magnetic material, it is conducive to high-volume
Production.Relative to above-mentioned thickness range, when the thickness of flaked bonding material is excessively thin, insulation effect is relatively bad；Work as sheet
When the thickness of binding material is blocked up, then use, which is not achieved, in the magnetic property of the magnetic work obtained using its adhering magnetic material wants
It asks, will affect the conversion efficiency of motor when which is applied to magnetic steel of motor；When the thickness of insulating layer is excessively thin, then absolutely
Edge effect is relatively bad, is easy to make between magnetic material conductive, and products application can be generated bigger whirlpool when the magnetic steel of motor
Stream, influences the service life of motor；When the thickness of insulating layer is blocked up, then the thickness of glue-line is relatively thin, so that sheet bonds
Bond strength between material and magnetic material is relatively small, and thickness of insulating layer is blocked up, and use is not achieved in product magnetic property
It is required that influencing the conversion efficiency of motor.In some preferred embodiments of the invention, the flaked bonding material with a thickness of
0.08-0.12mm, the insulating layer with a thickness of 0.06-0.1mm.In some preferred embodiments of the present invention, shape is viscous
Tie material thickness be 0.08mm, 0.10mm perhaps 0.12mm insulating layer with a thickness of 0.06mm, 0.08mm or 0.1mm.By
This, the thickness of flaked bonding material is more suitable, and the gap between sheet magnetic material will not be made excessive while guaranteeing insulation effect,
Weaken the magnetism of sheet magnetic material, hardly conducive to the service performance for improving magnetic work.
In certain embodiments of the present invention, the gross mass based on the flaked bonding material, the content of the glue-line
For 30-50wt%, for example, can for 30wt%, 32wt%, 34wt%, 36wt%, 38wt%, 40wt%, 42wt%,
44wt%, 46wt%, 48wt% or 50wt% etc..The content of glue-line is suitable as a result, itself and magnetism in bonded magnetic material
Bond strength between material is big, is conducive to improve product yield, extends product service life, is conducive to large-scale production.Relative to
Above-mentioned content range, when the content of glue-line is too low, then the bond strength between glue-line and magnetic material is relatively small；Work as glue-line
Too high levels when, then the thickness of glue-line can be made excessive and then cause the thickness of flaked bonding material excessive, and then caused not
Necessary glue-line waste also will increase lamination bonding gap, decline magnetic work magnetic property.
In some preferred embodiments of the invention, the content of the glue-line is 30-35wt%, some more in the present invention
In preferred embodiment, the content of glue-line is 30wt%, 33wt% or 35wt%.As a result, flaked bonding material exists
More suitable thickness is also equipped with while having excellent adhesive property.
In certain embodiments of the present invention, the glue-line includes phenolic resin glue, unsaturated-resin glue, cyanate
Glue, silicon resin glue, polyurethane gel, epoxide-resin glue, bismaleimide glue, polyimides glue and unsaturated polyester resin glue
At least one of.The bond effect of above-mentioned material is good as a result, conducive to the bond strength improved between glue-line and magnetic material,
And material source is extensive, price is lower.
In some preferred embodiments of the invention, contain through-hole in the insulating layer.Insulating layer opposite sides as a result,
Glue-line can be connected with each other by through-hole, there are very strong binding force between the glue-line of the two sides, effectively avoid insulating layer and glue
The phenomenon that cracking between layer, and then be conducive to improve product yield.Relative to the insulating layer containing through-hole, when being free of in insulating layer
When through-hole, the glue-line of insulating layer two sides can not be connected with each other, so that the binding force between insulating layer and glue-line is relatively low, product
Yield is relatively low.
In certain embodiments of the present invention, the content of the insulating layer is 45-200 grams/m, such as can be
45 grams/m, 55 grams/m, 65 grams/m, 75 grams/m, 85 grams/m, 95 grams/m, 105
Gram/m, 115 grams/m, 125 grams/m, 135 grams/m, 145 grams/m, 155 grams/m,
165 grams/m, 175 grams/m, 185 grams/m, 195 grams/m or 200 grams/m etc..As a result, absolutely
The suitable through-hole of content in edge layer, avoids the better effect to crack between insulating layer and glue-line, and then is more advantageous to raising product
Yield.Relative to above-mentioned content range, when the content of insulating layer is too low, then the insulation effect of insulating layer is relatively bad；When exhausted
When the too high levels of edge layer, through-hole content is relatively fewer in insulating layer, avoids the effect to crack between insulating layer and glue-line opposite
It is bad.
In certain embodiments of the present invention, the insulating layer include aramid fiber, polyester fiber, polyethylene fibre,
The textile fabric that at least one of quartz fibre, glass fibre, boron fibre, carbon fiber, ceramic fibre and natural fiber are formed.By
This, the insulation effect of insulating layer is excellent, and is rich in through-hole in the textile fabric of above-mentioned material formation, can be by insulating layer opposite sides
Glue-line connect, conducive to improve flaked bonding material adhesion strength.In some embodiments of the invention, by glass
The fibroplastic textile fabric of glass includes alkali-free glass fiber cloth, NE type glass fabric, D type glass fabric, S type glass fibre
At least one of cloth and high silicon oxygen cloth.Material source is extensive as a result, and price is low, and insulation performance is good.
In another aspect of this invention, the present invention provides a kind of method for preparing mentioned-above flaked bonding material,
This method comprises: providing insulating layer；The coating glue on two opposite surfaces of the insulating layer forms glue-line.Invention human hair
Existing, the above method is simple, convenient, it is easy to accomplish, it is conducive to industrialized production.
In certain specific embodiments of the invention, the mode of coating glue can on two opposite surfaces of insulating layer
Roller coating is thought, specifically, an idler wheel is respectively set in the opposite two sides of insulating layer, and opposite in insulating layer using above-mentioned rollers
Two surfaces on coating glue (forming method of glue can for by the material for forming glue-line be heated to 50-80 DEG C), rolling
During painting, the thickness of glue-line can be adjusted by adjusting the spacing between two idler wheels.It is simple, convenient as a result, easily
In realization, and the thickness of easily controllable glue-line.In certain embodiments of the present invention, for the ease of storage, can exist respectively
One layer of not mucous membrane is covered on the surface of glue-line, convenient for storage, while facilitating subsequent use.
It should be noted that above-mentioned glue-line and insulating layer are consistent with the description of front, no longer excessively repeat herein.
In another aspect of this invention, it is viscous in magnetic material that the present invention provides a kind of mentioned-above flaked bonding materials
Application in knot.Inventors have found that the excellent effect of the flaked bonding material bonded magnetic material, the workpiece appearance beauty of acquisition
See, and flaked bonding material is similar to double sided adhesive tape structure, bonded magnetic material it is easy to operate, it is easy to accomplish automated production.
In another aspect of this invention, the present invention provides a kind of magnetic works, and referring to Fig. 2, which includes: more
A sheet magnetic material 300, the setting of the multiple interval of sheet magnetic material 300；Multiple adhesive layers 400, the adjacent magnetic of any two
Property sheet material 300 pass through the adhesive layer 400 and connect, wherein at least part of the adhesive layer 400 is using mentioned-above
What flaked bonding material was prepared.Inventors have found that the bond strength between the adhesive layer and sheet magnetic material of the magnetic work
Greatly, it is conducive to produce in enormous quantities, phenomena such as section of adhesive layer is smooth, no hole, insulation effect is excellent, and the thickness of adhesive layer
Spend it is uniform so that the appearance looks elegant of magnetic work；It is of the invention relative to the adhesive layer formed by bead and epoxide-resin glue
The thickness of adhesive layer is easier to control, appearance is more beautiful, and to be not in that bead is broken cause what insulation effect was deteriorated to show
As.
It should be noted that in the present invention, referring to Fig. 2, adhesive layer 400 forms adhesive glue in the section of magnetic work
Seam.
In certain embodiments of the present invention, due to that can be carried out at pressurization to magnetic work when preparing magnetic work
Reason, therefore, the thickness of adhesive layer is slightly less than the thickness of flaked bonding material.In certain embodiments of the present invention, described
Adhesive layer with a thickness of 0.04-0.2mm, such as can for 0.04mm, 0.06mm, 0.08mm, 0.10mm, 0.12mm, 0.14mm,
0.16mm, 0.18mm or 0.20mm etc..The thickness of adhesive layer is suitable as a result, good insulating effect, adhesive layer and sheet magnetic material it
Between bond strength it is high, and will not influence the interaction between sheet magnetic material, so that the magnetism of magnetic work is stronger, be conducive to big
Large-scale production.In some preferred embodiments of the invention, adhesive layer with a thickness of 0.08-0.12mm, of the invention one
In some preferred embodiments, adhesive layer with a thickness of 0.08mm, 0.10mm or 0.12mm.The thickness of adhesive layer as a result,
More suitable, the influence to the interaction between sheet magnetic material is smaller, and is provided simultaneously with preferable insulation effect and adhesion strength.
In certain embodiments of the present invention, in order to further increase the binding force between sheet magnetic material and adhesive layer,
The surface that sheet magnetic material is contacted with adhesive layer has certain roughness, in certain embodiments of the present invention, sheet magnetic material
The roughness on surface be 0.8-3.2 micron, such as can be 0.8 micron, 1.0 microns, 1.2 microns, 1.4 microns, 1.6 microns,
1.8 microns, 2.0 microns, 2.2 microns, 2.4 microns, 2.6 microns, 2.8 microns, 3.0 microns or 3.2 microns etc., magnetic as a result,
The roughness of property sheet surface is suitable, so that its bond strength between adhesive layer is stronger, improves the effect of product yield
More preferably.
In certain embodiments of the present invention, the sheet magnetic material includes sintered NdFeB magnet steel, Agglutinate neodymium-iron-boron magnetic
Permanent magnetism after steel, sintered samarium cobalt magnet steel, ferrite magnetic steel, alnico magnet, intermetallic compound magnet steel and heavy rare earth diffusion is burnt
At least one of magnetic materials such as Nd-Fe-B magnet steel are tied, material source is extensive as a result, and various prices have, various magnetic
Have, service performance is arranged in pairs or groups according to practical effect.
It should be noted that the material of any two sheet magnetic material, size, size can be identical in magnetic work, it can also
With difference, those skilled in the art can carry out flexible choice according to actual needs.
In another aspect of this invention, the present invention provides a kind of preparation methods of magnetic work.
Referring to Fig. 3, this method comprises:
S100: multiple mentioned-above flaked bonding materials are successively stacked alternately with multiple sheet magnetic materials.
It should be noted that the sheet magnetic material is consistent with the description of front, no longer excessively repeat herein.Of the invention
In some embodiments, the sheet magnetic material is obtained by multi-wire saw.It is simple, convenient as a result, and can obtain
Sheet magnetic material with certain surface roughness.
In certain specific embodiments of the invention, referring to Fig. 4, the method for preparing the sheet magnetic material includes:
S110: magnetic material is sintered, surface grinding and cleaning, obtain blank material.
In certain embodiments of the present invention, the raw material for forming magnetic material are formulated according to routine operation,
After melting, airflow milling, molding and sintering, the magnetic material that surface has oxide layer is obtained, can be gone by surface grinding
Removing oxide layer, and it can also be ground to the size needed as needed.In certain embodiments of the present invention, grinding is specific
Mode is that passing through type grinder, surface grinding machine or form grinder are ground；It is simple, convenient as a result, it is easy to accomplish, mill
It cuts high-efficient, goes the effect of removing oxide layer good.
In certain embodiments of the present invention, after grinding is completed, magnetic can be removed by way of ultrasonic cleaning
Magnetic powder, the grinding fluid etc. of property material surface, it is easy to operate, it is easy to accomplish, the blank material of clean surface can be obtained.
S120: the blank material being bonded, multi-wire saw, and the sheet magnetic material is obtained.
In certain embodiments of the present invention, can be integral by multiple blank materials bonding using 502 magnetic material glue, with
Conducive to subsequent operation, and operating procedure can be saved.
In certain embodiments of the present invention, blank material can be carried out using wire cutting machine or slicer multi-thread
Cutting.In certain specific embodiments of the invention, the concrete operations of multi-wire saw can be that will bond integral blank
Material serves multi-wire saw platform, using suitable cutting diamond wire, setting cutting parameter (the mobile 4- of Cutting platform per minute
5mm), and as needed tensioning wheel tensile force is adjusted, cutting speed is cut；It is easy to operate, surface can be obtained with one
The sheet magnetic material of roughness is determined, conducive to the bonding of subsequent sheet magnetic material and flaked bonding material.
S130: cleaning treatment is carried out to the sheet magnetic material.
In certain specific embodiments of the invention, cleaning treatment can be carried out to sheet magnetic material in the following manner:
(mixed liquor of reverse osmosis deionized pure water and conventional cleaning agent can be used as solvent, ultrasound 15 minutes is gone in ultrasonic cleaning
Except the greasy dirt, magnetic powder, cutting fluid on magnetic material surface) (reverse osmosis deionized pure water and akaline liquid can be used in → degumming
For mixed liquor as solvent, degumming temperature is 90-100 DEG C, and the time is 15 minutes, and removal bonds 502 magnetic used when blank material
Material glue) → ultrasonic cleaning (mixed liquor of reverse osmose pure-water and conventional cleaning agent can be used as solvent, it is 15 minutes ultrasonic,
The liquid that remains in sheet magnetic material of removal scouring processes) (hydrochloric acid, acetic acid or sulfuric acid etc. can be used as pickling in → pickling
Agent removes the rusty stain and oxide layer of workpiece surface, may also reach up the effect on activation sheet magnetic material surface) → ultrasonic cleaning
(reverse osmosis deionized pure water can be used as solvent, remove the liquid that acid cleaning process remains in sheet magnetic material surface).
In certain embodiments of the present invention, the sheet magnetic material is stacked with described in flaked bonding material progress
Before, further include the steps that forming protecting film on the sheet magnetic material surface.The sheet magnetic material Jing Guo above-mentioned processing can be with as a result,
Non-corrosive in a long time, such as in certain embodiments of the present invention, the sheet magnetic material by above-mentioned processing can protect
Card non-corrosive in 172 hours, in favor of the progress of subsequent step, and can guarantee the yield of magnetic work.
In certain embodiments of the present invention, multiple flaked bonding materials and multiple sheet magnetic materials are successively overlapped into weaving
The step of can be as follows:
Using automation equipment (can also craft or tooling), the clean, without grease by multiple above-mentioned treated surfaces
And there is the sheet magnetic material of protecting film to be successively regularly placed on work top, wherein there are one between two neighboring sheet magnetic material
Fixed gap；Flaked bonding material corresponding with sheet magnetic material size is overlayed into sheet magnetic material far from the surface of work top,
The sheet magnetic material of correspondingly-sized is stacked on surface of the flaked bonding material far from work top again, the above movement is repeated, makes magnetic
Property sheet material and flaked bonding material successively overlap together with, lamination number can carry out flexible choice according to actual needs.As a result,
It is simple, convenient, it is easy to accomplish, flaked bonding material can use automatic with double face binding sheet magnetic material, lamination process
Change equipment to complete, lamination efficiency greatly improves, and reduces a large amount of artificial of lamination process；And flaked bonding material thickness is uniform, makes
The workpiece that must be obtained is overall beautiful good-looking, and bond effect is excellent.
It in certain embodiments of the present invention, can be using can slide in order to preferably realize automated production
Work top produces same batch products, can use same thickness, the consistent sheet magnetic material of size dimension, and work top
It need to guarantee cleaning.
In certain embodiments of the present invention, the position of adjacent two layers sheet magnetic material can be completely coincident, can also be endless
Full weight closes (such as sheet magnetic material can be in its angle certain in locating plane internal rotation), thus, it is possible to according to actual needs
It prepares magnetic work of different shapes and is applied to different scenes, be conducive to industrialized production and application.
S200: the workpiece cure under pressure that will be obtained after described be stacked alternately obtains the magnetic work.
In certain embodiments of the present invention, the workpiece that is obtained after being stacked alternately carry out the cure under pressure it
Before, further include the steps that the workpiece carrying out room temperature pressure maintaining.The surface for having the sheet magnetic material of certain roughness as a result, has
Groove, aforesaid operations in the groove on a part of sheet magnetic material surface of the glue-line of flaked bonding material, will can be conducive to improve magnetic
Binding force between property sheet material and flaked bonding material.
In certain embodiments of the present invention, the room temperature (such as temperature can be 15-30 degrees Celsius) pressure maintaining when
Between be 10-60 minute (such as 10 minutes, 20 minutes, 30 minutes, 50 minutes or 60 minutes etc.), pressure be 10-40Mpa (example
Such as 10Mpa, 20Mpa, 30Mpa or 40Mpa).Thus, it is possible to be sufficient filling with the groove on sheet magnetic material surface, improve magnetic
The better effect of binding force between sheet material and flaked bonding material.
In certain embodiments of the present invention, after room temperature pressure maintaining terminates, under pressure, part sheet bonds material
Material may be extended, and can will extend into the flaked bonding material removal except magnetic work by way of cutting, with
Conducive to the progress of subsequent step.
In certain embodiments of the present invention, the pressure of the cure under pressure be 10-80MPa (such as 10Mpa,
20Mpa, 30Mpa, 40Mpa, 50Mpa, 60Mpa, 70Mpa or 80Mpa etc.), the time of the cure under pressure is 60-180 points
Clock (such as 60 minutes, 80 minutes, 100 minutes, 120 minutes, 140 minutes, 160 minutes or 180 minutes etc.), temperature 100-
250 DEG C (such as can for 100 DEG C, 110 DEG C, 120 DEG C, 130 DEG C, 140 DEG C, 150 DEG C, 160 DEG C, 170 DEG C, 180 DEG C, 190 DEG C,
200 DEG C, 210 DEG C, 220 DEG C, 230 DEG C, 240 DEG C or 250 DEG C etc.), solidification effect is excellent as a result, can be further improved magnetic
Binding force between property sheet material and flaked bonding material, can obtain the high magnetic work of product yield.
In certain embodiments of the present invention, magnetic work can be processed by solidification according to actual needs after completing
The size needed.
In certain embodiments of the present invention, the method for magnetic work is prepared further include: carry out to the magnetic work
The step of post-processing.In certain embodiments of the present invention, the post-processing includes at antirust treatment, insulation processing and spray painting
At least one of reason.Thus, it is possible to obtain magnetic work beautiful, that antioxygenic property is good, it is conducive to storage.
In certain embodiments of the present invention, the method for above-mentioned preparation magnetic work is easy to operate, can be using automatic
Change equipment to complete, lamination efficiency greatly improves, and reduces a large amount of artificial of lamination process, save the cost is conducive to industrialized production.
In still another aspect of the invention, the present invention provides a kind of mentioned-above magnetic works in preparing magnetic steel of motor
Purposes.Inventors have found that be not easy to get rusty using the magnetic steel of motor that the magnetic work is prepared, and eddy-current loss is small, motor
It generates heat low, high-efficient, long service life.
Present invention will be further explained by specific examples below, it should be understood, however, that, these embodiments are only
It is used, is but should not be understood as present invention is limited in any form for being described in more detail.
It should be noted that unless otherwise specified, the magnetic work in following embodiment and comparative examples contains 17 magnetic
Property sheet material, two neighboring sheet magnetic material connected by adhesive layer, and adhesive layer formed by flaked bonding material；Outside flaked bonding material
Shape size is 1000mm*1000mm (product that size can make according to actual needs is cut randomly)；Sheet magnetic material is to burn
Neodymium iron boron is tied, with a thickness of 3.5mm.
Bond strength test: applying certain shearing force to the sheet magnetic material of magnetic work two sides respectively, tests magnetic piece
Shear strength when the opposite changing of the relative positions occurs for material and adhesive layer.
The insulation effect of adhesive layer is tested: the insulation effect of adhesive layer is tested with ordinary multimeter and/or digital multimeter,
Specifically, a test pencil of multimeter is contacted with the surface of a piece of sheet magnetic material, by another test pencil of multimeter and and is somebody's turn to do
The surface of the adjacent sheet magnetic material of sheet magnetic material contacts.Wherein, when being tested with digital multimeter, if adhesive layer cannot play insulation
Effect can hear the shriek to tick, if adhesive layer can play insulation effect, not hear any sound；With ordinary multimeter into
When row test, if adhesive layer cannot play insulation effect, pointer can be deviated, if adhesive layer can play insulation effect, common general-purpose
The pointer registration of table is infinitely great, indicates the good insulating effect of adhesive layer in the present invention with infinity/voiceless sound.
Embodiment 1-7
In the magnetic work of embodiment 1-7, the insulating layer of flaked bonding material is glass fiber textile object, and glue-line is ring
Oxygen resin glue, difference are thickness and content difference of the insulating layer with glue-line, specifically can refer to table 1:
Table 1
Table 2 is referred to using the result that the magnetic work of embodiment 1-7 is tested:
Table 2
Embodiment 8
In the present embodiment, the structure of magnetic work with embodiment 4, the difference is that insulating layer with a thickness of 0.01mm.
The shear strength of the magnetic work of the present embodiment is 57.4P/MPa, with the insulation of digital multimeter test adhesive layer
There is the shriek to tick when effect, illustrates magnetic work conduction, the thickness low LCL of main cause insulating layer, and prepare magnetic work
When glue-line be easy to be extruded out, it is difficult to ensure that thickness of adhibited layer is consistent.
Embodiment 9
In the present embodiment, the structure of magnetic work is with embodiment 4, the difference is that the content of glue-line is 60wt%.
The shear strength of the magnetic work of the present embodiment is 60.4P/MPa, and insulation effect test result is infinitely great/noiseless
Sound.However, the content of glue-line is too high, is extruded away in cure under pressure procedure division, and glue because the cost of glue is relatively high
It is thicker to connect thickness degree, product magnetic property consistency is deteriorated, and causes increased costs relatively more.
Comparative example 1
In this comparative example, the adhesive layer of magnetic work is the mixture of bead and epoxide-resin glue, wherein epoxy resin
The weight ratio of glue and bead be 40:1, adhesive layer with a thickness of 0.08mm.
The shear strength of the magnetic work of this comparative example is 36.5P/MPa, has a large amount of hole in adhesive layer, with number ten thousand
There is the shriek to tick when testing the insulation effect of adhesive layer with table, illustrates that insulation effect is undesirable, it cannot be guaranteed that completely insulated.
Comparative example 2
In this comparative example, the adhesive layer of magnetic work is epoxide-resin glue, is free of insulating layer, wherein epoxide-resin glue
Thickness is the same as embodiment 2.
The shear strength of the magnetic work of this comparative example is 16.5P/MPa, and glue is easy to squeeze out when cure under pressure, very
It is consistent to be difficult to guarantee thickness of adhibited layer, adhesive layer has a large amount of hole, has when testing the insulation effect of adhesive layer with digital multimeter
The shriek to tick causes insulation effect undesirable, it cannot be guaranteed that completely insulated.
Although illustrate and describing the present invention with specific embodiment, it will be appreciated that without departing substantially from of the invention
Many other change and modification can be made in the case where spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (10)
1. a kind of flaked bonding material characterized by comprising
Insulating layer；
Glue-line, the glue-line are arranged on two opposite surfaces of the insulating layer.
2. flaked bonding material according to claim 1, which is characterized in that the flaked bonding material with a thickness of
0.06-0.20mm, preferably 0.08-0.12mm, further preferably 0.08mm, 0.10mm or 0.12mm, the insulating layer
With a thickness of 0.03-0.16mm, preferably 0.06-0.1mm, further preferably 0.06mm, 0.08mm or 0.1mm；
It is preferably based on the gross mass of the flaked bonding material, the content of the glue-line is 30-50wt%, preferably 30-
35wt%；Further preferably 30wt%, 33wt% or 35wt%.
3. flaked bonding material according to claim 2, which is characterized in that contain through-hole in the insulating layer；
Preferably, the content of the insulating layer is 45-200 grams/m；
Preferably, the insulating layer includes aramid fiber, polyester fiber, polyethylene fibre, quartz fibre, glass fibre, boron fibre
The textile fabric that at least one of dimension, carbon fiber, ceramic fibre and natural fiber are formed；
Preferably, the glue-line include phenolic resin, it is unsaturated-resin, cyanate, silicone resin, polyurethane, epoxy resin, double
At least one of maleimide, polyimides and unsaturated polyester resin.
4. a kind of method for preparing flaked bonding material of any of claims 1-3 characterized by comprising
Insulating layer is provided；
The coating glue on two opposite surfaces of the insulating layer forms glue-line.
5. a kind of application of described in any item flaked bonding materials of claim 1-3 in magnetic material bonding.
6. a kind of magnetic work characterized by comprising
Multiple sheet magnetic materials, the multiple sheet magnetic material interval setting；
Two sheet magnetic materials of multiple adhesive layers, arbitrary neighborhood are connected by the adhesive layer, wherein the adhesive layer
At least part is prepared using the described in any item flaked bonding materials of claim 1-3.
7. magnetic work according to claim 6, which is characterized in that the adhesive layer with a thickness of 0.04-0.2mm, it is excellent
It is selected as 0.08-0.12mm, further preferably 0.08mm, 0.10mm or 0.12mm；
Preferably, the roughness on the sheet magnetic material surface is 0.8-3.2 microns；
Preferably, the sheet magnetic material includes sintered NdFeB magnet steel, Agglutinate neodymium-iron-boron magnet steel, sintered samarium cobalt magnet steel, ferrite
At least one in permanent magnetism sintered NdFeB magnet steel after magnet steel, alnico magnet, intermetallic compound magnet steel and heavy rare earth diffusion
Kind.
8. a kind of method for preparing magnetic work described in claim 6 or 7 characterized by comprising
Multiple flaked bonding materials and multiple sheet magnetic materials are successively stacked alternately；
The workpiece cure under pressure that will be obtained after described be stacked alternately, obtains the magnetic work；
Preferably, the method also includes the step of post-processing to the magnetic work, the post-processing includes at antirust
At least one of reason, insulation processing and spray painting processing.
9. according to the method described in claim 8, it is characterized in that, by described in the workpiece progress obtained after described be stacked alternately
Before cure under pressure, further include the steps that the workpiece carrying out room temperature pressure maintaining；
Preferably, the time of the room temperature pressure maintaining is 10-60 minutes, pressure 10-80MPa；
Preferably, the pressure of the cure under pressure is 10-80MPa, and the time is 60-180 minutes, and temperature is 100-250 DEG C；
Preferably, by the sheet magnetic material and the binding material carry out described in stack before, further include in the sheet magnetic material
Surface forms the step of protecting film；
Preferably, the sheet magnetic material is obtained by multi-wire saw；
It is further preferred that the method for preparing the sheet magnetic material includes:
Magnetic material is sintered, surface grinding and cleaning, obtain blank material；
The blank material is bonded, multi-wire saw, obtains the sheet magnetic material；
Cleaning treatment is carried out to the sheet magnetic material.
10. magnetic work described in a kind of claim 6 or 7 is preparing the purposes in magnetic steel of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910051225.2A CN109686530A (en) | 2019-01-18 | 2019-01-18 | Flaked bonding material and magnetic work and preparation method thereof and purposes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910051225.2A CN109686530A (en) | 2019-01-18 | 2019-01-18 | Flaked bonding material and magnetic work and preparation method thereof and purposes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109686530A true CN109686530A (en) | 2019-04-26 |
Family
ID=66193707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910051225.2A Pending CN109686530A (en) | 2019-01-18 | 2019-01-18 | Flaked bonding material and magnetic work and preparation method thereof and purposes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109686530A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504763A (en) * | 2019-09-27 | 2019-11-26 | 浙江盘毂动力科技有限公司 | A kind of composite magnetic steel and motor |
| CN110601462A (en) * | 2019-09-27 | 2019-12-20 | 浙江盘毂动力科技有限公司 | Processing method of composite magnetic steel |
| CN110648838A (en) * | 2019-09-27 | 2020-01-03 | 浙江盘毂动力科技有限公司 | Processing method of composite magnetic steel |
| CN113506971A (en) * | 2021-07-16 | 2021-10-15 | 北京无线电测量研究所 | Manufacturing method of terahertz junction circulator |
| CN113555205A (en) * | 2021-07-19 | 2021-10-26 | 北京航空航天大学 | Magnetic material preparation device with magnetic load hierarchical structure and application method thereof |
| WO2023115255A1 (en) * | 2021-12-20 | 2023-06-29 | 温岭市鑫诺电机股份有限公司 | Bonding method for ndfeb permanent magnetic steels, and method for preparing permanent magnet electric motor rotor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104231966A (en) * | 2013-06-14 | 2014-12-24 | 日东电工株式会社 | Manufacturing method for double-surface bonding sheet |
| CN104454852A (en) * | 2014-11-28 | 2015-03-25 | 烟台首钢磁性材料股份有限公司 | Permanent magnet neodymium iron boron steel insulating bonding method and special extrusion tool |
| CN104877605A (en) * | 2014-02-28 | 2015-09-02 | 日东电工（上海松江）有限公司 | Adhesive composition and adhesive sheet |
| CN105001798A (en) * | 2011-03-09 | 2015-10-28 | 日东电工株式会社 | Double-coated adhesive tape |
-
2019
- 2019-01-18 CN CN201910051225.2A patent/CN109686530A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105001798A (en) * | 2011-03-09 | 2015-10-28 | 日东电工株式会社 | Double-coated adhesive tape |
| CN104231966A (en) * | 2013-06-14 | 2014-12-24 | 日东电工株式会社 | Manufacturing method for double-surface bonding sheet |
| CN104877605A (en) * | 2014-02-28 | 2015-09-02 | 日东电工（上海松江）有限公司 | Adhesive composition and adhesive sheet |
| CN104454852A (en) * | 2014-11-28 | 2015-03-25 | 烟台首钢磁性材料股份有限公司 | Permanent magnet neodymium iron boron steel insulating bonding method and special extrusion tool |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504763A (en) * | 2019-09-27 | 2019-11-26 | 浙江盘毂动力科技有限公司 | A kind of composite magnetic steel and motor |
| CN110601462A (en) * | 2019-09-27 | 2019-12-20 | 浙江盘毂动力科技有限公司 | Processing method of composite magnetic steel |
| CN110648838A (en) * | 2019-09-27 | 2020-01-03 | 浙江盘毂动力科技有限公司 | Processing method of composite magnetic steel |
| CN113506971A (en) * | 2021-07-16 | 2021-10-15 | 北京无线电测量研究所 | Manufacturing method of terahertz junction circulator |
| CN113555205A (en) * | 2021-07-19 | 2021-10-26 | 北京航空航天大学 | Magnetic material preparation device with magnetic load hierarchical structure and application method thereof |
| CN113555205B (en) * | 2021-07-19 | 2022-04-01 | 北京航空航天大学 | Magnetic material preparation device with magnetic load hierarchical structure and application method thereof |
| WO2023115255A1 (en) * | 2021-12-20 | 2023-06-29 | 温岭市鑫诺电机股份有限公司 | Bonding method for ndfeb permanent magnetic steels, and method for preparing permanent magnet electric motor rotor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109686530A (en) | Flaked bonding material and magnetic work and preparation method thereof and purposes | |
| KR20120017015A (en) | Laminated core having a soft magnetic material and method for joining core sheets in a bonded manner to form a soft-magnetic laminated core | |
| TWI742488B (en) | Adhesive laminated iron core for stator and rotating electric machine | |
| CN102738976A (en) | Method for manufacturing amorphous alloy stator iron core for motor | |
| EP1315267B1 (en) | Permanent magnet for electric motor | |
| CN110136953B (en) | Preparation method of composite neodymium iron boron magnet with coercivity gradient distribution characteristic | |
| CN109994309B (en) | Bonding method of neodymium iron boron magnet assembly | |
| CN112760040B (en) | Magnetic polishing solution suitable for die-casting aluminum alloy material | |
| KR100623304B1 (en) | Cutting segment, method for manufacturing cutting segment and cutting tool | |
| JP2005159061A (en) | Ultrasonic tool and ultrasonic joining apparatus | |
| CN102700014A (en) | Diamond micro-powder plated titanium, nickel-phosphorous and nickel composite diamond wire saw as well as preparation method thereof | |
| CN107958761A (en) | One kind welding neodymium iron boron magnetic body and preparation method thereof | |
| CN107799292A (en) | A kind of dividing method of Nd-Fe-B magnet steel and dedicated extruded frock | |
| CN102029394B (en) | Method for preparing high-performance halogen-free environment-friendly rubber-plastic NdFeB (neodymium, iron and boron) extruded magnetic strip and magnetic strip | |
| CN110942908A (en) | Manufacturing method of low-eddy-current-heating combined magnet and clamping tool | |
| CN104772693A (en) | Diamond grinding pad for processing super-hard ceramics and preparation method for diamond grinding pad | |
| JP5714864B2 (en) | CFRP prepreg and bonded material | |
| CN115151617B (en) | Electric steel sheet adhesive coating composition, electric steel sheet laminate, and method for producing same | |
| EP4170690A1 (en) | Electromagnetic steel sheet, lamianted core, and rotating electric machine | |
| CN108465891B (en) | Method for connecting yttrium iron garnet ferrite ceramic and copper | |
| CN110289704B (en) | Permanent magnet motor magnet and preparation method thereof | |
| JP4955200B2 (en) | Peelable lithium tantalate single crystal composite substrate | |
| FR2587634A1 (en) | POROUS THIN METAL SHEET AND PROCESS FOR PRODUCING THE SAME | |
| CN108335817A (en) | The processing method of sintered NdFeB | |
| CN109054722A (en) | A kind of silicon wafer cutting fixed glue and the preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 321000 No. 23 Road, Jiangnan Park, Lanxi Economic Development Zone, Jinhua City, Zhejiang Province Applicant after: Zhejiang Panhu Power Technology Co., Ltd. Address before: 321000 No. 23 Road, Jiangnan Park, Lanxi Economic Development Zone, Jinhua City, Zhejiang Province Applicant before: Core drive technology (Jinhua) Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190426 |
|
| RJ01 | Rejection of invention patent application after publication |