CN110323055A - A kind of preparation facilities and preparation method of nanocrystalline product - Google Patents

A kind of preparation facilities and preparation method of nanocrystalline product Download PDF

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Publication number
CN110323055A
CN110323055A CN201910574064.5A CN201910574064A CN110323055A CN 110323055 A CN110323055 A CN 110323055A CN 201910574064 A CN201910574064 A CN 201910574064A CN 110323055 A CN110323055 A CN 110323055A
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China
Prior art keywords
nanocrystalline
release film
product
strip
molds
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Granted
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CN201910574064.5A
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Chinese (zh)
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CN110323055B (en
Inventor
金天明
张德其
赵蒙杰
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Hengdian Group DMEGC Magnetics Co Ltd
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Hengdian Group DMEGC Magnetics Co Ltd
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Priority to CN201910574064.5A priority Critical patent/CN110323055B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/02Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/06Making more than one part out of the same blank; Scrapless working
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/02Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/14Dies
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26Methods of annealing
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147Alloys characterised by their composition
    • H01F1/153Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15333Amorphous metallic alloys, e.g. glassy metals containing nanocrystallites, e.g. obtained by annealing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/0206Manufacturing of magnetic cores by mechanical means
    • H01F41/0233Manufacturing of magnetic circuits made from sheets

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

The invention discloses the preparation facilities and preparation method of a kind of nanocrystalline product.Described device includes: conveying device, including material conveying device and release film transmission device;Stamping device, including at least 1 mold group, the set of molds include mutually matched 1 punch die and 1 bed die, and the punch die is punch-pin;The bed die is cavity plate, and the cavity plate is through-hole structure.The preparation method includes: to convey nanocrystalline strip by material conveying device, nanocrystalline strip is struck out a nanometer chip by the set of molds by stamping device, the nanometer chip is fallen through the through-hole of bed die to stick on the release film that lower section is conveyed by release film transmission device, obtain sticking on the nanocrystalline product being made of nanometer chip on release film, the nanocrystalline strip and release film move synchronously.The nanocrystalline product resistivity with higher and lower magnetic loss that preparation method provided by the invention obtains.

Description

A kind of preparation facilities and preparation method of nanocrystalline product
Technical field
The invention belongs to the manufacturing technology fields of nanocrystalline product, and in particular to a kind of preparation dress of nanocrystalline product It sets and preparation method.
Background technique
In power domain, with the maturing of high-frequency inversion technology, typical high power linear power supply starts largely high Frequency Switching Power Supply is substituted, and in order to improve efficiency, reduces volume, the working frequency of Switching Power Supply is higher and higher, this is just right More stringent requirements are proposed for soft magnetic materials therein, although ferrite high-frequency loss is low, at high-power aspect, there are still many Problem can not reduce the volume of transformer first is that saturation magnetic strength is low;Second is that Curie temperature is low, thermal stability is poor;Third is that production is big The yield rate of size iron core is low, at high cost.Amorphous nano-crystalline has high saturation magnetic induction and extremely low high-frequency loss, and heat simultaneously Stablize, is the optimal selection of high power switching power supply soft magnetic materials.In electronic information field, with computer, network and The rapid development of mechanics of communication, to small size, light weight, the demand of the Switching Power Supply and the network equipment of high reliability and low noise It is growing, require it is higher and higher.For example, the working frequency of computer switching power supply from 20KHz in order to reduce volume to improve To 500KHz;Low-voltage and high-current in order to realize CPU is stabilized the output voltage for electric current power supply mode using magnetic amplifier;For Elimination various noises using the Spike-killers of the spontaneous interference of limiting circuitry, and inhibit the common mode and differential mode of Conduction Interference Choke coil.A large amount of high-gradient magnetism device is increased in Switching Power Supply and interface equipment, by the nanocrystalline of special processing Product can play excellent effect here.
The nanocrystalline product mainly produced by production methods such as slivers in existing production technology, can not expire Foot performance requirement of the existing equipment to high-frequency low-consumption product in the market, it is therefore necessary to develop a kind of low damage of novel high-frequency Consume the technical solution of nanocrystalline product.
CN107243610A discloses a kind of automatic rolling type nanocrystalline strip Preparation equipment, including a carrying device processed;Institute The side for the carrying device processed stated is equipped with two sets of horizontal positioned parallel precisions and slides guide rail, and the parallel precision slides guide rail packet Include that the first precision slides guide rail, the second precision slides guide rail, third precision slides guide rail;The third precision slides on guide rail Equipped with the wrap-up that can be slided guide rail along third precision and move;The wrap-up includes winding base, winding motor, grabs Take wheel;Design is equipped with electromagnetism grabbing device in the crawl wheel, and outside is additionally provided with winding core, is also built-in with Gao Ling on wireline reel Sensitivity optoelectronic switch;The bottom of the winding base is additionally provided with the guide rail slide block for mobile rolling device.
CN104900383A discloses a kind of wireless charging single/multiple layer magnetic conduction sheet and preparation method thereof, the single layer magnetic conduction Piece includes: one layer of magnetic flakes, a plurality of crackle is evenly distributed on the thin slice, and a plurality of crackle divides the thin slice At multiple fragmentation cells;Dielectric is filled in the gap of a plurality of crackle, so that the fragmentation cell of the crackle two sides Mutually insulated;Double-sided adhesive, wherein one side, the another side of the magnetic flakes for being adhered to the magnetic flakes are formed with by described The protection film that dielectric is constituted.Preparation method include: heat treatment, adhered by double sided plaster, crazing processing, dipping process with And baking and curing processing step.
CN107979966A discloses a kind of antifreeze plate and its preparation process applied to wireless charging and NFC, preparation Technique includes: construction every magnetic cell: to have the soft magnetism band of the sheet structure there are two exposed surface as primitive, in the soft magnetic strip One of exposed surface of material is bonded double-sided adhesive, and another exposed surface of the soft magnetism band is pressed into netted line Road;Construct antifreeze plate.
But above-mentioned apparatus or product its magnetic loss of method preparation still have to be reduced, and resistivity is to be improved.Cause This, preparation facilities and the preparation method for developing the nanocrystalline product of more excellent high-frequency low-consumption are significant to this field.
Summary of the invention
Aiming at the above shortcomings existing in the prior art, the purpose of the present invention is to provide a kind of preparations of nanocrystalline product Device and preparation method.Device and method provided by the invention prepare that nanocrystalline product resistivity is high, magnetic loss is low, can be with Meet market to high-frequency low-consumption strip product demand.
To achieve this purpose, the present invention adopts the following technical scheme:
In a first aspect, the present invention provides a kind of nanocrystalline product preparation facilities, described device includes:
Conveying device, including material conveying device and release film transmission device, the material conveying device for convey to The nanocrystalline strip of processing;The release film transmission device is for conveying release film;The release film transmission device is located at material Transmit the lower section of rotary device;
Stamping device, including at least 1 mold group, the set of molds include mutually matched 1 punch die and 1 bed die, The punch die is punch-pin, positioned at the top of the nanocrystalline strip to be processed conveyed by material conveying device;The bed die is recessed Mould, between the nanocrystalline strip to be processed of material conveying device conveying and the release film of release film transmission device conveying, The cavity plate is through-hole structure, and the stamping device is used for the nanocrystalline strip punching press to be processed for conveying material conveying device At nanometer chip, and described nanocrystalline is set to fall on the release film conveyed by release film transmission device;
In the present invention, the stamping device includes at least 1 mold group, such as 1 set, 2 sets, 3 sets, 4 sets, 5 sets or 6 sets Deng.
In nanocrystalline product preparation facilities provided by the invention, the cavity plate (counterdie) is through-hole structure, it is ensured that convex The nanometer chip that mould (punch die) stamps out can be leaked down by through-hole, be sticked on following release film.
In nanocrystalline product preparation facilities provided by the invention, a nanometer chip is stamped out by stamping device, and can make Its close-packed arrays on release film obtains the nanocrystalline product of high resistivity.
It is used as currently preferred technical solution below, but not as the limitation to technical solution provided by the invention, leads to Following preferred technical solution is crossed, can preferably reach and realize technical purpose and beneficial effect of the invention.
As the currently preferred technical solution of base, the tricks of the set of molds of the stamping device is 2-6 set, such as 2 sets, 3 sets, 4 sets, 5 sets or 6 sets, preferably 4 sets.Using multiple sets of molds group, can divide on the punch die and bed die of every suit set of molds Less protrusion and through-hole are not set, the difficulty for opening up mold is reduced;But excessive set of molds will cause Sheet Metal Forming Technology excessively It is very long, influence production efficiency.
Preferably, when the tricks of the set of molds of the stamping device is more than 1 set, each set of molds is filled along the material transmission Set the direction arrangement of conveying nanocrystalline strip.
Preferably, when the tricks of the set of molds of the stamping device is more than 1 set, each set of molds to rush film size homogeneous Together, the raised position of each punch die and the raised position of other punch dies do not have any coincidence.Here, the punch die size of each set of molds It is all the same, the same position of each set of molds punching press nanocrystalline strip can be made, and then more efficiently use nanocrystalline strip.Each The raised position of punch die and the raised position of other punch dies do not have any coincidence can guarantee will not be on nanocrystalline strip before It is stamped fall position continue punching press and cause pneumatics, and the raised quantity on each punch die can be reduced in turn Reduce the difficulty for opening up mold.
The punch die size of each set of molds can be as needed the size of nanocrystalline product be determined.
Preferably, the protrusion of the punch die is circular protrusions.
As currently preferred technical solution, the nanocrystalline product preparation facilities further includes rolling device, the roller Pressure device includes roll-in axis, for obtained after punching press be located on the release film conveyed as release film transmission device described in receive Rice chip carries out roll-in.
Roll-in is carried out with rolling device to the nanometer chip sticked on release film, mainly makes nanometer chip and release film It well sticks, can be convenient subsequent treatment process, prevent sticking for the nanocrystalline product gone out and release film fortunately not subsequent Obscission is generated in processing, while can also play the role of slight sliver.
Preferably, the roll-in axis of the rolling device includes upper roller last item and lower roll last item, the upper roller last item be located at by The top of the release film of release film transmission device conveying, the lower roll last item are located at the release film conveyed by release film transmission device Lower section.
Preferably, the roll-in axis driving motor of the rolling device is variable-frequency motor.Nothing can be carried out using variable-frequency motor Pole speed regulation.
Preferably, the roll-in axis is external rubber-coated steel shaft.
Second aspect, the present invention, which provides, a kind of prepares nanocrystalline product with nanocrystalline product preparation facilities described in first aspect Method, the described method comprises the following steps:
Nanocrystalline strip is conveyed by material conveying device, the set of molds by stamping device, which strikes out nanocrystalline strip, to be received Rice chip, the nanometer chip is fallen through the through-hole of bed die to stick on the release film that lower section is conveyed by release film transmission device, Obtain sticking on the nanocrystalline product being made of nanometer chip on release film, nanocrystalline strip fortune synchronous with release film It is dynamic.
Nanocrystalline strip is washed into a nanometer chip through the stamping process and sticks on release film by preparation method provided by the invention On, nanocrystalline product is obtained, nanocrystalline product resistivity with higher that preparation method through the invention obtains and lower Magnetic loss.
In step (1), the nanocrystalline strip and release film move synchronously and refer to that nanocrystalline strip and release film are same at the same speed To movement, guarantee that the relative position of nanocrystalline strip and release film is constant, in this way if with set of molds Multi-step forming, nanocrystalline band The nanometer chip that material the same area stamps out every time during Multi-step forming can stick on the same corresponding region of release film, This may be implemented for nanometer chip to be closely arranged in together, and being formed has product (the i.e. nanometer sheet phase for being uniformly distributed formula air gap The product that gap between mutually distributes very evenly), help to promote nanocrystalline product resistivity, reduces its magnetic loss.
As currently preferred technical solution, the nanocrystalline strip is the nanocrystalline strip after fitting.
Preferably, the preparation method of the nanocrystalline strip after the fitting includes: in the upper of annealed nanocrystalline strip One layer of double-sided adhesive without substrate is covered on surface, using the nanocrystalline strip as bottom, opens the isolation film of double-sided adhesive, then separately takes one Piece nanocrystalline strip is attached on the double-sided adhesive opened as the second layer, is covered in the nanocrystalline strip upper surface of the second layer two-sided Glue, and so on conform to the required nanocrystalline strip number of plies, the nanocrystalline strip after obtaining the fitting.
Preferably, the double-sided adhesive of the no substrate with a thickness of 0.005-0.01mm, such as 0.005mm, 0.007mm, 0.009mm or 0.01mm etc., it is not limited to cited numerical value, other interior unlisted numerical value of the numberical range are equally suitable With.
Preferably, the method for the annealing is the following steps are included: by nanocrystalline original tape in the annealing for being full of protective gas It is made annealing treatment in furnace, obtains the annealed nanocrystalline strip.
Preferably, the protective gas includes nitrogen.
Preferably, the temperature of the annealing is 520-580 DEG C, such as 520 DEG C, 530 DEG C, 540 DEG C, 550 DEG C, 560 DEG C, 570 DEG C or 580 DEG C etc., it is not limited to cited numerical value, other unlisted numerical value are equally suitable in the numberical range With.
Preferably, the time of the annealing be 60-120min, such as 60min, 70min, 80min, 90min, 100min, 110min or 120min etc., it is not limited to cited numerical value, other interior unlisted numerical value of the numberical range It is equally applicable.
As currently preferred technical solution, the punch die and bed die in the set of molds are according to required nanocrystalline product institute The thickness and size needed is outputed.
As currently preferred technical solution, the tricks of the set of molds is 2-6 set, such as 2 sets, 3 sets, 4 sets, 5 sets Or 6 sets, preferably 4 sets.
When the tricks of the set of molds is more than 1 set, each mold group conveys nanocrystalline band along the material conveying device The directional spreding of material is on different station.
Preferably, when the tricks of the set of molds is more than 1 set, nanocrystalline strip is struck out to the method packet of nanometer chip Include: after the nanocrystalline strip carries out punching press by one set of die group, nanocrystalline strip is conveyed by material conveying device again, is moved to Next station carries out two times punch by another set of set of molds, and so on punching press Jing Guo all set of molds.
Nanocrystalline strip and release film are distributed under the drive of material conveying device and release film transmission device, a set of After set of molds punching press, next station can be moved to automatically by another set of set of molds punching press.
When the tricks of the set of molds is more than 1 set, nanocrystalline strip will can just obtain nanocrystalline production by Multi-step forming Product.
As currently preferred technical solution, the method also includes: it is sticked by the conveying of release film transmission device The release film for stating nanocrystalline product enters rolling device, carries out roll-in to the nanocrystalline product, nanocrystalline after being rolled Product.
Preferably, the roll-in axis of the rolling device rotates linear velocity as 0.8-1.2m/min, such as 0.8m/min, 0.9m/min, 1.0m/min, 1.1m/min or 1.2m/min etc., it is not limited to cited numerical value, in the numberical range Other unlisted numerical value are equally applicable, preferably 1m/min.
As currently preferred technical solution, the method also includes: to the nanocrystalline product progress after the roll-in Other shapes are wound or strike out, the nanocrystalline product finished.
As the further preferred technical solution of preparation method of the present invention, the described method comprises the following steps:
(1) nanocrystalline original tape is made annealing treatment in the annealing furnace full of protective gas, the temperature of annealing It is 520-580 DEG C, time 60-120min obtains annealed nanocrystalline strip;
(2) one layer of double-sided adhesive without substrate is covered in the upper surface of step (1) the annealed nanocrystalline strip, this is received Rice crystal zone material opens the isolation film of double-sided adhesive, then a piece of nanocrystalline strip is separately taken to be attached on the double-sided adhesive opened as bottom As the second layer, double-sided adhesive is covered in the nanocrystalline strip upper surface of the second layer, and so on conform to required nanocrystalline band The material number of plies, the nanocrystalline strip after obtaining the fitting;
(3) by the nanocrystalline strip after material conveying device supplying step (2) described fitting, by the mold of stamping device Nanocrystalline strip after the fitting is struck out a nanometer chip by group, and the quantity of the set of molds is 4 sets, receiving after the fitting It after rice crystal zone material carries out punching press by the 1st mold group, then is conveyed by material conveying device, is moved to next station by the 2nd set Set of molds carries out two times punch, and so on punching press Jing Guo 4 mold groups, the nanometer chip that each punching press obtains is through bed die Through-hole fall and stick on the release film that lower section is conveyed by release film transmission device, obtain sticking on release film by nanometer The nanocrystalline product of chip composition, nanocrystalline strip and release film after the fitting move synchronously;
(4) rolling device is entered by the release film that the conveying of release film transmission device sticks the nanocrystalline product, to institute It states nanocrystalline product and carries out roll-in, the roll-in axis rotation linear velocity of the rolling device is 1m/min, the nanometer after being rolled Brilliant product;
(5) the nanocrystalline product after the roll-in that step (4) obtains is wound or is struck out other shapes, obtain To the nanocrystalline product of finishing.
Compared with prior art, the invention has the following advantages:
(1) nanocrystalline product preparation facilities provided by the invention is automation linkage device, can be realized by conveying device The automatic conveying of nanocrystalline strip and release film is obtained nanometer chip by way of punching press and forms nanocrystalline product, is suitable for The nanocrystalline product of high-frequency low-consumption is prepared, continuous production can be carried out, and the device can be processed not by adjusting stamping die With the product of dimensions.
(2) the nanocrystalline product that nanocrystalline product preparation method provided by the invention is prepared has high-saturation magnetic induction strong Degree, high magnetic permeability, higher resistivity, good thermal stability and lower magnetic loss, saturation induction density is in 1.15T More than, (magnetic conductivity imaginary part) is lost in 125kw/m 100 or more in magnetic conductivity3Hereinafter, resistivity is more than 578.06m Ω.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the nanocrystalline product preparation facilities that the embodiment of the present invention 1 provides;
The punch die of 4 mold groups of stamping device in the nanocrystalline product preparation facilities that Fig. 2 provides for the embodiment of the present invention 1 Appearance diagram;
Fig. 3 is after a punching press, two times punch, three times punching press and four punching presses, to stick in the embodiment of the present invention 1 The schematic diagram of nanometer chip on release film;
Wherein, 1- material conveying device, 2- release film transmission device, the first punch die of 301-, the second punch die of 302-, 303- Three punch dies, the 4th punch die of 304-, 4- bed die, 5- rolling device, 6- nanocrystalline strip, 7- release film.
Specific embodiment
In order to better illustrate the present invention, it is easy to understand technical solution of the present invention, below further specifically to the present invention It is bright.But following embodiments is only simple example of the invention, does not represent or limit the scope of the present invention, this hair Bright protection scope is subject to claims.
The following are typical but non-limiting embodiments of the invention:
Embodiment 1
The present embodiment provides a kind of nanocrystalline product preparation facilities, the structure of the device is as shown in Figure 1.The present embodiment provides Nanocrystalline product preparation facilities include:
Conveying device, including material conveying device 1 and release film transmission device 2, the material conveying device 1 is for conveying Nanocrystalline strip 6 to be processed;The release film transmission device 2 is for conveying release film 7;The release film transmission device 2 In the lower section of material transmission rotary device 1.
Stamping device, including 4 mold groups, distribution (is passed along the material this 4 mold group from left to right in Fig. 1 The direction arrangement for sending device 1 to convey nanocrystalline strip 6), this 4 mold group includes mutually matched 1 punch die (i.e. in Fig. 1 The first punch die 301, the second punch die 302, third punch die 303 and the 4th punch die 304) and 1 bed die (i.e. bed die 4 in Fig. 1, Bed die 4 include 4 bed dies, from left to right be respectively matched with corresponding punch die the first bed die, the second bed die, third bed die and 4th bed die, this 4 bed dies are joined together to form an entirety, unified in Fig. 1 to be indicated with bed die 4), the punch die is Punch-pin, positioned at the top of the nanocrystalline strip 6 to be processed conveyed by material conveying device 1;The bed die is cavity plate, is located at object Expect between the nanocrystalline strip 6 to be processed that transmission device 1 conveys and the release film 7 of the conveying of release film transmission device 2, it is described recessed Mould is through-hole structure, and the nanocrystalline strip 6 to be processed that the stamping device is used to convey material conveying device 1, which strikes out, to be received Rice chip, and make described nanocrystalline to fall on the release film 7 conveyed by release film transmission device 2.
Fig. 2 is the punch die appearance of 4 mold groups of stamping device in nanocrystalline product preparation facilities provided in this embodiment Schematic diagram, the first punch die 301, the second punch die 302, third punch die 303 is identical with the size of the 4th punch die 304, but this 4 punchings The raised position of circular protrusions on mould is different, and the raised position of each punch die and the raised position of other punch dies are not appointed What is overlapped.
Rolling device 5, including roll-in axis, for release positioned at being conveyed by release film transmission device to what is obtained after punching press The nanometer chip on film carries out roll-in.The roll-in axis of the rolling device includes upper roller last item and lower roll last item, it is described on Roll-in axle position is located in the top of the release film conveyed by release film transmission device, the lower roll last item by release film transmission device The lower section of the release film of conveying;The roll-in axis driving motor of rolling device is variable-frequency motor, and the roll-in axis is external cladding rubber The steel shaft of glue.
The present embodiment, which additionally provides, a kind of prepares nanocrystalline method, the side using above-mentioned nanocrystalline product preparation facilities Method the following steps are included:
(1) nanocrystalline original tape is made annealing treatment in the annealing furnace full of protective gas, the temperature of annealing It is 550 DEG C, time 90min obtains annealed nanocrystalline strip;
(2) one layer of double-sided adhesive without substrate is covered in the upper surface of step (1) the annealed nanocrystalline strip, this is received Rice crystal zone material opens the isolation film of double-sided adhesive, then a piece of nanocrystalline strip is separately taken to be attached on the double-sided adhesive opened as bottom As the second layer, double-sided adhesive is covered in the nanocrystalline strip upper surface of the second layer, and so on is bonded the nanocrystalline band at 4 layers Material, the nanocrystalline strip 6 after obtaining the fitting;
(3) nanocrystalline strip 6 is conveyed by material conveying device 1, rushes nanocrystalline strip by the set of molds of stamping device It is pressed into a nanometer chip, the quantity of the set of molds is 4 sets, after the nanocrystalline strip carries out punching press by the 1st mold group, then by Material conveying device 1 drives nanocrystalline strip 6 to be moved to next station and carries out two times punch by the 2nd mold group, with such Push away the punching press by 4 mold groups, through-hole of the nanometer chip that each punching press obtains through bed die 4 fall stick on lower section by from On the release film 7 that type film transmission device 2 conveys, obtain sticking on the nanocrystalline product being made of nanometer chip on release film, The nanocrystalline strip and release film move synchronously;
(4) rolling device is entered by the release film that the conveying of release film transmission device sticks the nanocrystalline product, to institute It states nanocrystalline product and carries out roll-in, the roll-in axis rotation linear velocity of the rolling device is 1m/min, the nanometer after being rolled Brilliant product;
(5) the nanocrystalline product after the roll-in that step (4) obtains is wound or is struck out other shapes, obtain To the nanocrystalline product of finishing.
In this implementation steps (3), each time after punching press, the schematic diagram of the obtained nanometer chip sticked on release film is such as Shown in Fig. 3, in figure from left to right be respectively after a punching press, two times punch, three times punching press and four punching presses, stick on from The schematic diagram of nanometer chip on type film, it can be seen that with increasing for punching press number, the arrangement of nanometer chip is more and more closer, The figure of the rightmost side Fig. 3 is the schematic diagram of the nanocrystalline product obtained after 4 punching presses, and a nanometer chip is arranged closely in one It rises, has and be uniformly distributed formula air gap.
The nanocrystalline original tape processing of 128KHz a kind of is prepared into nanocrystalline product according to the method for the present embodiment, to nanometer Its performance of brilliant product test, the result is shown in tables 1.
Embodiment 2
The nanocrystalline product preparation facilities of the present embodiment is same as Example 1.
The nanocrystalline product preparation method of the present embodiment the difference from embodiment 1 is that, in step (1), annealing Temperature is 520 DEG C, and the time of annealing is 60min;In step (4), the roll-in axis rotation linear velocity of the rolling device is 0.8m/min。
The processing of the nanocrystalline original tape of 128KHz same as Example 1 is prepared into according to the method for the present embodiment nanocrystalline Product, to its performance of nanocrystalline product test, the result is shown in tables 1.
Embodiment 3
The nanocrystalline product preparation facilities of the present embodiment is same as Example 1.
The nanocrystalline product preparation method of the present embodiment the difference from embodiment 1 is that, in step (1), annealing Temperature is 580 DEG C, and the time of annealing is 120min;In step (4), the roll-in axis rotation linear velocity of the rolling device is 1.2m/min。
The processing of the nanocrystalline original tape of 128KHz same as Example 1 is prepared into according to the method for the present embodiment nanocrystalline Product, to its performance of nanocrystalline product test, the result is shown in tables 1.
Embodiment 4
The nanocrystalline product preparation facilities of the present embodiment is referring to embodiment 1, and difference is, stamping device only includes 2 cover dies Tool group, i.e. only 2 punch dies (the first punch die 301, the second punch die 302) and bed die 4 (include 2 bed dies, are respectively from left to right The first bed die and the second bed die matched with corresponding punch die).
The nanocrystalline product preparation method reference implementation example 1 of the present embodiment, difference is, 2 cover dies are only passed through in step (3) The punching press of tool group obtains the nanocrystalline product being made of nanometer chip.
The processing of the nanocrystalline original tape of 128KHz same as Example 1 is prepared into according to the method for the present embodiment nanocrystalline Product, to its performance of nanocrystalline product test, the result is shown in tables 1.
Embodiment 5
Referring to embodiment 1, difference is the nanocrystalline product preparation facilities of the present embodiment, and stamping device includes 6 molds Group, that is, the bed die for sharing 6 punch dies and matching with above-mentioned punch die, the raised position on punch die, which is adjusted, makes each punch die Raised position and the raised position of other punch dies do not have any coincidence.
The nanocrystalline product preparation method reference implementation example 1 of the present embodiment, difference is, 6 molds are passed through in step (3) The punching press of group obtains the nanocrystalline product being made of nanometer chip.
The processing of the nanocrystalline original tape of 128KHz same as Example 1 is prepared into according to the method for the present embodiment nanocrystalline Product, to its performance of nanocrystalline product test, the result is shown in tables 1.
Comparative example 1
Referring to embodiment 1, difference is the specific preparation method of the nanocrystalline product of this comparative example, provides without using the present invention Preparation facilities carry out nanocrystalline product preparation, but prepared using traditional sliver apparatus, without in embodiment 1 The operation of step (3) and step (4), but nanocrystalline sliver is carried out, specific splinter method is referred to CN104900383A Method.The nanocrystalline original tape that this comparative example uses is identical as the nanocrystalline original tape of embodiment 1.
The processing of the nanocrystalline original tape of 128KHz same as Example 1 is prepared into according to the method for this comparative example nanocrystalline Product, to its performance of nanocrystalline product test, the result is shown in tables 1.
Test method
To the nanocrystalline product that each embodiment and comparative example obtain, using SY-8218 instrument and 128KHz, 160A/M With 25 DEG C of test conditions, saturation induction density is tested;Using SY-8218 instrument and 100KHz/100MT and 25 DEG C of test-strips Part tests magnetic conductivity;Using SY-8218 instrument and 100KHz/100MT and 25 DEG C of test condition, test loss.It is visited using four Skill of handling needles test resistance rate, test current strength are 5mA.
Table 1
Based on the above embodiments with comparative example it is found that the nanocrystalline product preparation facilities that 1-5 of the embodiment of the present invention is provided is Linkage device is automated, the automatic conveying of nanocrystalline strip and release film can be realized by conveying device, by way of punching press Continuous production can be carried out suitable for preparing the nanocrystalline product of high-frequency low-consumption by obtaining nanometer nanocrystalline product of chip composition.Pass through By the technique of punching press in nanocrystalline product preparation method, nanocrystalline strip is washed into a nanometer chip and is sticked on release film, is obtained To nanocrystalline product.In embodiment 1-5, with set of molds Multi-step forming, since nanocrystalline strip and release film move synchronously, nanometer The nanometer chip that crystal zone material the same area stamps out every time during Multi-step forming can stick on the same corresponding of release film Region, this may be implemented for nanometer chip to be closely arranged in together, and being formed has the product for being uniformly distributed formula air gap, facilitates Nanocrystalline product resistivity is promoted, its magnetic loss is reduced.The nanocrystalline product magnetic conductivity real part that above-described embodiment is prepared down to 100, magnetic conductivity is lower, and magnetic loss is few, and resistivity is higher.
Comparative example 1 is using traditional sliver scheme, because traditional sliver is in irregular shape, splits fragment size out not One, the nanocrystalline properties of product that distributed non-uniform air-gap causes its product to use process for stamping to obtain relative to embodiment 1-5 Difference.
The Applicant declares that the present invention is explained by the above embodiments detailed process equipment and process flow of the invention, But the present invention is not limited to the above detailed process equipment and process flow, that is, it is above-mentioned detailed not mean that the present invention must rely on Process equipment and process flow could be implemented.It should be clear to those skilled in the art, any improvement in the present invention, Addition, selection of concrete mode of equivalence replacement and auxiliary element to each raw material of product of the present invention etc., all fall within of the invention Within protection scope and the open scope.

Claims (10)

1. a kind of nanocrystalline product preparation facilities, which is characterized in that described device includes:
Conveying device, including material conveying device and release film transmission device, the material conveying device are to be processed for conveying Nanocrystalline strip;The release film transmission device is for conveying release film;The release film transmission device is located at material transmission The lower section of rotary device;
Stamping device, including at least 1 mold group, the set of molds include mutually matched 1 punch die and 1 bed die, described Punch die is punch-pin, positioned at the top of the nanocrystalline strip to be processed conveyed by material conveying device;The bed die is cavity plate, position It is described recessed between the nanocrystalline strip to be processed of material conveying device conveying and the release film of release film transmission device conveying Mould is through-hole structure, and the nanocrystalline strip to be processed that the stamping device is used to convey material conveying device strikes out nanometer Chip, and make described nanocrystalline to fall on the release film conveyed by release film transmission device.
2. nanocrystalline product preparation facilities according to claim 1, which is characterized in that the set of molds of the stamping device Tricks is that 2-6 covers, preferably 4 sets;
Preferably, when the tricks of the set of molds of the stamping device is more than 1 set, each set of molds is defeated along the material conveying device The direction of nanocrystalline strip is sent to arrange;
Preferably, when the tricks of the set of molds of the stamping device is more than 1 set, each set of molds to rush film size all the same, often The raised position of a punch die and the raised position of other punch dies do not have any coincidence;
Preferably, the protrusion of the punch die is circular protrusions.
3. nanocrystalline product preparation facilities according to claim 1, which is characterized in that the nanocrystalline product preparation facilities It further include rolling device, the rolling device includes roll-in axis, for being located to what is obtained after punching press by release film transmission device The nanometer chip on the release film of conveying carries out roll-in;
Preferably, the roll-in axis of the rolling device includes upper roller last item and lower roll last item, and the upper roller last item is located at by release The top of the release film of film transmission device conveying, the lower roll last item are located under the release film conveyed by release film transmission device Side;
Preferably, the roll-in axis driving motor of the rolling device is variable-frequency motor;
Preferably, the roll-in axis is external rubber-coated steel shaft.
4. a kind of method for preparing nanocrystalline product with any one of the claim 1-3 nanocrystalline product preparation facilities, special Sign is, the described method comprises the following steps:
Nanocrystalline strip is conveyed by material conveying device, the set of molds by stamping device strikes out nanocrystalline strip nanocrystalline Piece, the nanometer chip is fallen through the through-hole of bed die to stick on the release film that lower section is conveyed by release film transmission device, obtains The nanocrystalline product being made of nanometer chip on release film is sticked on, the nanocrystalline strip and release film move synchronously.
5. according to the method described in claim 4, it is characterized in that, the nanocrystalline strip is the nanocrystalline strip after fitting;
Preferably, the preparation method of the nanocrystalline strip after the fitting includes: in the upper surface of annealed nanocrystalline strip One layer of double-sided adhesive without substrate is covered, using the nanocrystalline strip as bottom, the isolation film of double-sided adhesive is opened, then separately takes a piece of receive Rice crystal zone material is attached on the double-sided adhesive opened as the second layer, is covered with double-sided adhesive in the nanocrystalline strip upper surface of the second layer, according to This, which analogizes, conforms to the required nanocrystalline strip number of plies, the nanocrystalline strip after obtaining the fitting;
Preferably, the double-sided adhesive of the no substrate with a thickness of 0.005-0.01mm;
Preferably, the method for the annealing is the following steps are included: by nanocrystalline original tape in the annealing furnace full of protective gas It is made annealing treatment, obtains the annealed nanocrystalline strip;
Preferably, the protective gas includes nitrogen;
Preferably, the temperature of the annealing is 520-580 DEG C;
Preferably, the time of the annealing is 60-120min.
6. method according to claim 4 or 5, which is characterized in that the punch die and bed die in the set of molds are according to needed for Thickness needed for nanocrystalline product and size are outputed.
7. according to the described in any item methods of claim 4-6, which is characterized in that the tricks of the set of molds is 2-6 set, preferably It is 4 sets;
Preferably, in step (1), when the tricks of the set of molds is more than 1 set, nanocrystalline strip is struck out into nanometer chip Method includes: after the nanocrystalline strip carries out punching press by one set of die group, and nanocrystalline strip is conveyed by material conveying device again, Be moved to next station and two times punch carried out by another set of set of molds, and so on punching press Jing Guo all set of molds.
8. according to the described in any item methods of claim 4-7, which is characterized in that the method also includes: it is transmitted by release film The release film that device conveying sticks the nanocrystalline product enters rolling device, carries out roll-in to the nanocrystalline product, obtains Nanocrystalline product after to roll-in;
Preferably, the roll-in axis rotation linear velocity of the rolling device is 0.8-1.2m/min, preferably 1m/min.
9. according to the described in any item methods of claim 8, which is characterized in that the method also includes: after the roll-in Nanocrystalline product is wound or strikes out other shapes, the nanocrystalline product finished.
10. according to the described in any item methods of claim 4-9, which is characterized in that the described method comprises the following steps:
(1) nanocrystalline original tape is made annealing treatment in the annealing furnace full of protective gas, the temperature of annealing is 520-580 DEG C, time 60-120min obtains annealed nanocrystalline strip;
(2) one layer of double-sided adhesive without substrate is covered in the upper surface of step (1) the annealed nanocrystalline strip, this is nanocrystalline Band opens the isolation film of double-sided adhesive as bottom, then a piece of nanocrystalline strip is separately taken to be attached to conduct on the double-sided adhesive opened The second layer is covered with double-sided adhesive in the nanocrystalline strip upper surface of the second layer, and so on conform to required nanocrystalline strip layer Number, the nanocrystalline strip after obtaining the fitting;
(3) by the nanocrystalline strip after material conveying device supplying step (2) described fitting, the set of molds by stamping device will Nanocrystalline strip after the fitting strikes out a nanometer chip, and the quantity of the set of molds is 4 sets, nanocrystalline after the fitting It after band carries out punching press by the 1st mold group, then is conveyed by material conveying device, is moved to next station by the 2nd mold Group carries out two times punch, and so on punching press Jing Guo 4 mold groups, the nanometer chip that each punching press obtains leading to through bed die Hole, which is fallen, to stick on the release film that lower section is conveyed by release film transmission device, obtain sticking on release film by nanometer chip The nanocrystalline product of composition, nanocrystalline strip and release film after the fitting move synchronously;
(4) rolling device is entered by the release film that the conveying of release film transmission device sticks the nanocrystalline product, is received to described The brilliant product of rice carries out roll-in, and the roll-in axis rotation linear velocity of the rolling device is 1m/min, the nanocrystalline production after being rolled Product;
(5) the nanocrystalline product after the roll-in that step (4) obtains is wound or is struck out other shapes, obtain essence The nanocrystalline product of processing.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111073540A (en) * 2019-11-07 2020-04-28 丁丽丽 Preparation method of gold nano wafer
CN111976039A (en) * 2020-08-20 2020-11-24 苏州安洁科技股份有限公司 Nano wafer knife stamping method without loss of inductance
CN112289578A (en) * 2020-10-16 2021-01-29 横店集团东磁股份有限公司 Magnetic strip-shaped nanocrystalline magnetic separation sheet and preparation method and application thereof

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0708460A2 (en) * 1994-10-19 1996-04-24 ABBPATENT GmbH Fabrication of core plates
JP2005297393A (en) * 2004-04-13 2005-10-27 Nippon Steel Corp Low iron loss multiple-layered electromagnetic steel sheet, and method and apparatus for manufacturing the same
US20060132278A1 (en) * 1999-01-19 2006-06-22 Imphy Ugine Precision Process for the treatment of a thin brittle metal strip and magnetic components produced from a strip made of a nanocrystalline alloy
US8276426B2 (en) * 2007-03-21 2012-10-02 Magnetic Metals Corporation Laminated magnetic cores
CN103920815A (en) * 2014-04-23 2014-07-16 无锡市华诚石化设备有限责任公司 Progressive stamping die for round float valve and stamping technology
CN104475543A (en) * 2014-11-28 2015-04-01 河南机电高等专科学校 Continuous rolling and punching device for ultrathin steel belt
CN105529174A (en) * 2016-01-15 2016-04-27 广州市晶磁电子科技有限公司 Continuous crushing device for magnetic isolating plate
CN107116612A (en) * 2016-02-25 2017-09-01 苏州达翔新材料有限公司 A kind of automatic press make-up machine
CN107146708A (en) * 2017-07-03 2017-09-08 深圳市信维通信股份有限公司 A kind of preparation method of magnetic screen piece lamination
CN107742575A (en) * 2017-10-10 2018-02-27 深圳市信维通信股份有限公司 A kind of preparation method and manufacture system of amorphous or nanocrystalline strip lamination
CN109346308A (en) * 2018-10-31 2019-02-15 横店集团东磁股份有限公司 A kind of nanocrystalline magnetic sheet and its preparation method and application
CN208580664U (en) * 2018-09-03 2019-03-05 横店集团东磁股份有限公司 A kind of continuous sliver apparatus of nanocrystalline magnetic sheet

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0708460A2 (en) * 1994-10-19 1996-04-24 ABBPATENT GmbH Fabrication of core plates
US20060132278A1 (en) * 1999-01-19 2006-06-22 Imphy Ugine Precision Process for the treatment of a thin brittle metal strip and magnetic components produced from a strip made of a nanocrystalline alloy
JP2005297393A (en) * 2004-04-13 2005-10-27 Nippon Steel Corp Low iron loss multiple-layered electromagnetic steel sheet, and method and apparatus for manufacturing the same
US8276426B2 (en) * 2007-03-21 2012-10-02 Magnetic Metals Corporation Laminated magnetic cores
CN103920815A (en) * 2014-04-23 2014-07-16 无锡市华诚石化设备有限责任公司 Progressive stamping die for round float valve and stamping technology
CN104475543A (en) * 2014-11-28 2015-04-01 河南机电高等专科学校 Continuous rolling and punching device for ultrathin steel belt
CN105529174A (en) * 2016-01-15 2016-04-27 广州市晶磁电子科技有限公司 Continuous crushing device for magnetic isolating plate
CN107116612A (en) * 2016-02-25 2017-09-01 苏州达翔新材料有限公司 A kind of automatic press make-up machine
CN107146708A (en) * 2017-07-03 2017-09-08 深圳市信维通信股份有限公司 A kind of preparation method of magnetic screen piece lamination
CN107742575A (en) * 2017-10-10 2018-02-27 深圳市信维通信股份有限公司 A kind of preparation method and manufacture system of amorphous or nanocrystalline strip lamination
CN208580664U (en) * 2018-09-03 2019-03-05 横店集团东磁股份有限公司 A kind of continuous sliver apparatus of nanocrystalline magnetic sheet
CN109346308A (en) * 2018-10-31 2019-02-15 横店集团东磁股份有限公司 A kind of nanocrystalline magnetic sheet and its preparation method and application

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111073540A (en) * 2019-11-07 2020-04-28 丁丽丽 Preparation method of gold nano wafer
CN111976039A (en) * 2020-08-20 2020-11-24 苏州安洁科技股份有限公司 Nano wafer knife stamping method without loss of inductance
CN112289578A (en) * 2020-10-16 2021-01-29 横店集团东磁股份有限公司 Magnetic strip-shaped nanocrystalline magnetic separation sheet and preparation method and application thereof
CN112289578B (en) * 2020-10-16 2022-05-24 横店集团东磁股份有限公司 Magnetic stripe-shaped nanocrystalline magnetic isolation sheet and preparation method and application thereof

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