CN109967591A - A kind of device and method for realizing plate electro-magnetic forming radial thrust using axial constant magnetic field and inductive loop - Google Patents
A kind of device and method for realizing plate electro-magnetic forming radial thrust using axial constant magnetic field and inductive loop Download PDFInfo
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- CN109967591A CN109967591A CN201910204455.8A CN201910204455A CN109967591A CN 109967591 A CN109967591 A CN 109967591A CN 201910204455 A CN201910204455 A CN 201910204455A CN 109967591 A CN109967591 A CN 109967591A
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- 230000001939 inductive effect Effects 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 63
- 229910052751 metal Inorganic materials 0.000 claims abstract description 63
- 230000005389 magnetism Effects 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 11
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 10
- 210000001367 artery Anatomy 0.000 claims description 3
- 210000003462 vein Anatomy 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 4
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
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- 238000011068 loading method Methods 0.000 description 1
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- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/14—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces applying magnetic forces
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Abstract
A kind of device and method for realizing plate electro-magnetic forming radial thrust using axial constant magnetic field and inductive loop, for generating the first, second stationary magnetic field coil in axial constant magnetic field at metal sheet edge to be formed；For generating the first, second pulsed magnetic field coil of inductive loop at metal sheet edge to be formed；For constituting flanging magnetic yoke, the magnetic cavity plate, magnetic cushion film of stationary magnetic field magnetic loop；For providing the impulsive force coil of forming force to metal sheet to be formed；The flanging magnetic yoke includes a first annular slot, and first annular slot cross-section is rectangle；The magnetism cavity plate includes second annular groove, and the second annular slot cross-section is rectangle.The present invention generates axial constant magnetic field using stationary magnetic field coil, generates circumferential inductive loop using pulsed magnetic field coil, axial constant magnetic field and ring-like inductive loop collective effect generate radial electromagnetic push；This method can dramatically increase radial electromagnetic force, further promote plate mobility and forming property.
Description
Technical field
The invention belongs to the field of metal processing, in particular to a kind of to realize plate using axial constant magnetic field and inductive loop
The device and method of electro-magnetic forming radial thrust is mainly used for increasing metal fluidity in plate forming process, prevents plate from tearing
It splits.
Background technique
When traditional electromagnetism sheet material forming, applying axial electromagnetic force in deformed region makes plate that bulging occur；At this time because of plate
Part bottom forced belt moves plate member edge toward center flow, and plate is based on bulging, poor fluidity in deformation process, and easily occurs
Plate tearing.
Document " Radial Lorentz force augmented deep drawing for large drawing
Ratio using a novel dual-coil electromagnetic forming system(Journal of
Materials Processing Technology, 2015,222 13-20) " propose using axis-diameter biaxial loadings electromagnetism at
Shape method realizes electromagnetism deep-drawing technique, can increase the Radial Flow of plate, improve the forming property of workpiece.However, this
In method, radial electromagnetic force is generated by same pulsed coil, because of the axial magnetic between the ource electric current and vortex in pulsed coil
Field mutually weakens, and the intensity of radial electromagnetic force is caused to be difficult to be promoted.
Summary of the invention
For this purpose, the present invention provides and a kind of realizes plate electro-magnetic forming radial thrust using axial constant magnetic field and inductive loop
Device and method, axial constant magnetic field is generated using stationary magnetic field coil, circumferential induction whirlpool is generated using pulsed magnetic field coil
Stream, axial constant magnetic field and ring-like inductive loop collective effect generate radial electromagnetic push；This method can be dramatically
Increase radial electromagnetic force, further promotes plate mobility and forming property.
The technical scheme adopted by the invention is as follows:
A kind of device for realizing plate electro-magnetic forming radial thrust using axial constant magnetic field and inductive loop, comprising:
For generating the first stationary magnetic field coil, the second stationary magnetic field line in axial constant magnetic field at metal sheet edge to be formed
Circle；
For generating the first pulsed magnetic field coil, the second pulsed magnetic field coil of inductive loop at metal sheet edge to be formed；
For constituting flanging magnetic yoke, the magnetic cavity plate, magnetic cushion film of stationary magnetic field magnetic loop；
For providing the impulsive force coil of forming force to metal sheet to be formed；
The flanging magnetic yoke includes a first annular slot, and first annular slot cross-section is rectangle；First annular slot inside edge with
The outer ledge of metal sheet to be formed is bonded；First annular slot outer ledge is overlapped with the inside edge of magnetic cushion film；
The magnetism cavity plate includes second annular groove, and the second annular slot cross-section is rectangle；Second annular groove inside edge with
The outer ledge of metal sheet to be formed is bonded；Second ring slot outside edge is overlapped with the outer ledge of magnetic cushion film；
First stationary magnetic field coil is located at the first annular slot internal upper part of flanging magnetic yoke, and the second stationary magnetic field coil is located at magnetic recessed
Lower part in second annular groove of mould；Plane where first and second stationary magnetic field coil metal sheet relatively to be formed is symmetrical above and below；
DC power supply is connected in series in first and second stationary magnetic field coil；
First pulsed magnetic field coil is located at lower part in the first annular slot of flanging magnetic yoke, and the second pulsed magnetic field coil is located at magnetic recessed
Second annular groove internal upper part of mould；Plane where first and second pulsed magnetic field coil metal sheet relatively to be formed is symmetrical above and below；
The pulse power is connected in series in first and second pulsed magnetic field coil.
The flanging magnetic yoke with a thickness of the insulation silicon steel plate packing of 0.2mm by forming.
The magnetism cavity plate with a thickness of the insulation silicon steel plate packing of 0.2mm by forming.
The first annular slot of the flanging magnetic yoke, magnetic cavity plate the second annular groove be in same radial location, and slot
Width is consistent with depth.
The magnetism cushion film is the annulus that a section is flat rectangle；The thickness of magnetic cushion film and metal sheet to be formed
Thickness it is identical；Magnetic cushion film with a thickness of the insulation silicon steel plate packing of 0.2mm by forming.
The metal sheet to be formed is a circular sheet；Metal sheet to be formed is with a thickness of 2-5mm.
A method of plate electro-magnetic forming radial thrust being realized using axial constant magnetic field and inductive loop, by the first perseverance
Fixed-field coil is placed in the first annular slot internal upper part of flanging magnetic yoke, and the second stationary magnetic field coil is placed in the second of magnetic cavity plate
Lower part in annular groove；
First pulsed magnetic field coil is placed in lower part in the first annular slot of flanging magnetic yoke, the second pulsed magnetic field coil is placed in magnetic
Second annular groove internal upper part of property cavity plate；
It is sequentially placed magnetic cavity plate, metal sheet to be formed, magnetic cushion film, flanging magnetic yoke, and makes its symmetrical overlapping of axles；
The first stationary magnetic field coil and the second stationary magnetic field coil series-fed are given using DC power supply, makes it in metal to be formed
Plate outer edge generates axial constant magnetic field；
The first pulsed magnetic field coil and the second pulsed magnetic field coil series-fed are given using the pulse power, pulse current is to be formed
Metal sheet outer edge generates circumferential inductive loop；
Axial constant magnetic field and circumferential inductive loop interact, and generate radial electromagnetic push；
It uses impulsive force coil to provide forming electromagnetic force for metal sheet to be formed, realizes in the state of radial electromagnetic push
Plate electro-magnetic forming.
Stationary magnetic field axially downwardly generates radially inward electromagnetism with anticlockwise circumferential inductive loop effect and pushes away
Power；Or stationary magnetic field axially upwards generates radially inward electromagnetism with clockwise circumferential inductive loop effect and pushes away
Power.
The present invention it is a kind of using axial constant magnetic field and inductive loop realize plate electro-magnetic forming radial thrust device and
Method generates axial constant magnetic field using stationary magnetic field coil, generates circumferential inductive loop using pulsed magnetic field coil, axial permanent
Fixed-field and ring-like inductive loop collective effect generate radial electromagnetic push；This method can dramatically increase radial electricity
Magnetic force further promotes plate mobility and forming property.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is to realize that 2/3 section of device of plate electro-magnetic forming radial thrust is illustrated using axial constant magnetic field and inductive loop
Figure.
Wherein:
The first stationary magnetic field 1.1- coil, the second stationary magnetic field 1.2- coil；
2.1- the first pulsed magnetic field coil, 2.2- the second pulsed magnetic field coil；
3- flanging magnetic yoke
4- magnetism cavity plate；
5- magnetism cushion film；
6- metal sheet to be formed；
7- impulsive force coil；
8- DC power supply；
The 9- pulse power.
Specific embodiment
A kind of device for realizing plate electro-magnetic forming radial thrust using axial constant magnetic field and inductive loop, comprising:
For generating the first stationary magnetic field coil 1.1, the second constant magnetic in axial constant magnetic field at 6 edge of metal sheet to be formed
Field coil 1.2；
For generating the first pulsed magnetic field coil 2.1, the second pulsed magnetic field wire of inductive loop at 6 edge of metal sheet to be formed
Circle 2.2；
For constituting flanging magnetic yoke 3, the magnetic cavity plate 4, magnetic cushion film 5 of stationary magnetic field magnetic loop；
For providing the impulsive force coil 7 of forming force to metal sheet 6 to be formed.
First stationary magnetic field coil is traditional coil, is formed by copper wire winding, and geometric dimension is with energy while and the first arteries and veins
Field coil is rushed to be placed in the first annular slot of flanging magnetic yoke as limitation.
Second stationary magnetic field coil is traditional coil, is formed by copper wire winding, and geometric dimension is with energy while and the second arteries and veins
Field coil is rushed to be placed in the second annular groove of magnetic cavity plate as limitation.
First pulsed magnetic field coil is traditional coil, is formed by copper wire winding, and geometric dimension is permanent with first simultaneously with energy
Fixed-field coil is placed in the first annular slot of flanging magnetic yoke as limitation.
Second pulsed magnetic field coil is traditional coil, is formed by copper wire winding, and geometric dimension is permanent with second simultaneously with energy
Fixed-field coil is placed in the second annular groove of magnetic cavity plate as limitation.
Impulsive force coil 7 is traditional coil, is formed by copper wire winding；Specific location and 6 axis of metal sheet to be formed
It is overlapped, is close to metal sheet 6 to be formed and with flanging magnetic yoke in the same side.
The flanging magnetic yoke 3 includes a first annular slot, and first annular slot cross-section is rectangle；First annular slot inner side edge
Edge is bonded with the outer ledge of metal sheet 6 to be formed；The inside edge weight of first annular slot outer ledge and magnetic cushion film 5
It closes.The flanging magnetic yoke 3 includes a first annular slot, and first annular slot cross-section is rectangle, in order to place the first stationary magnetic field
Coil 1.1, the first pulsed magnetic field coil 2.1.The outer ledge of first annular slot inside edge and metal sheet 6 to be formed pastes
It closes, in order to make to generate bigger stationary magnetic field at metal sheet 6 to be formed.First annular slot outer ledge and magnetic cushion film 5
Inside edge be overlapped, in order to keep entire magnetic circuit reluctance smaller, magnetic field is bigger.
The magnetism cavity plate 4 includes second annular groove, and the second annular slot cross-section is rectangle；Second annular groove inner side edge
Edge is bonded with the outer ledge of metal sheet 6 to be formed；The outer ledge weight at the second ring slot outside edge and magnetic cushion film 5
It closes.The magnetism cavity plate 4 includes second annular groove, and it is to place the second constant magnetic that the second annular slot cross-section, which is rectangle,
Field coil 1.2, the second pulsed magnetic field coil 2.2.
Second annular groove inside edge is bonded with the outer ledge of metal sheet 6 to be formed, is to make metal to be formed
Bigger stationary magnetic field is generated at plate 6.
Second ring slot outside edge is overlapped with the inside edge of magnetic cushion film 5, is to make entire magnetic circuit reluctance more
Small, magnetic field is bigger.
First stationary magnetic field coil 1.1 is located at the first annular slot internal upper part of flanging magnetic yoke 3, the second stationary magnetic field coil
1.2 are located at lower part in the second annular groove of magnetic cavity plate 4；Where first and second stationary magnetic field coil metal sheet 6 relatively to be formed
Plane it is symmetrical above and below；DC power supply 8 is connected in series in first and second stationary magnetic field coil；
First pulsed magnetic field coil 2.1 is located at lower part in the first annular slot of flanging magnetic yoke 3, the second pulsed magnetic field coil 2.2
In the second annular groove internal upper part of magnetic cavity plate 4；It is flat where first and second pulsed magnetic field coil metal sheet 6 relatively to be formed
Face is symmetrical above and below；The pulse power 9 is connected in series in first and second pulsed magnetic field coil.
The flanging magnetic yoke 3 with a thickness of the insulation silicon steel plate packing of 0.2mm by forming.It can make not feel in flanging magnetic yoke 3
It should be vortexed, reduce loss.The excessively thin increased costs of silicon steel sheet, it is blocked up, increase is lost.
The magnetism cavity plate 4 with a thickness of the insulation silicon steel plate packing of 0.2mm by forming.It can make not feel in magnetic cavity plate 4
It should be vortexed, reduce loss.The excessively thin increased costs of silicon steel sheet, it is blocked up, increase is lost.
The first annular slot of the flanging magnetic yoke 3, the second annular groove of magnetism cavity plate 4 are in same radial location, and slot
Width it is consistent with depth.The first annular slot of flanging magnetic yoke 3 places the first stationary magnetic field coil 1.1, the first pulsed magnetic field wire
Circle 2.1.Second annular groove of magnetic cavity plate 4 places the second stationary magnetic field coil 1.2, the second pulsed magnetic field coil 2.2.
Due to the first stationary magnetic field coil 1.1, the first pulsed magnetic field coil 2.1 and the second stationary magnetic field coil 1.2, second
The size of pulsed magnetic field coil 2.2 is consistent, therefore requires the width of slot consistent with depth.
The magnetism cushion film 5 is the annulus that a section is flat rectangle；The thickness and metal plate to be formed of magnetic cushion film 5
The thickness of part 6 is identical；Magnetic cushion film 5 with a thickness of the insulation silicon steel plate packing of 0.2mm by forming.It is described magnetism cushion film 5 be
One section is the annulus of flat rectangle；The thickness of magnetic cushion film 5 is identical as the thickness of metal sheet 6 to be formed, matches flanging magnetic
Outer peripheral gap between yoke 3 and magnetic cavity plate 4.
Magnetic cushion film 5 can make not feel in magnetic cushion film 5 by forming with a thickness of the insulation silicon steel plate packing of 0.2mm
It should be vortexed, reduce loss.The excessively thin increased costs of silicon steel sheet, it is blocked up, increase is lost.
The metal sheet to be formed 6 is a circular sheet；Metal sheet to be formed 6 is with a thickness of 2-5mm.
A method of plate electro-magnetic forming radial thrust being realized using axial constant magnetic field and inductive loop, by the first perseverance
Fixed-field coil 1.1 is placed in the first annular slot internal upper part of flanging magnetic yoke 3, the second stationary magnetic field coil 1.2 is placed in magnetic recessed
Lower part in second annular groove of mould 4；
First pulsed magnetic field coil 2.1 is placed in lower part in the first annular slot of flanging magnetic yoke 3, by the second pulsed magnetic field coil
2.2 are placed in the second annular groove internal upper part of magnetic cavity plate 4；
It is sequentially placed magnetic cavity plate 4, metal sheet to be formed 6, magnetic cushion film 5, flanging magnetic yoke 3, and makes its symmetrical overlapping of axles；
Using DC power supply 8 give 1.2 series-fed of the first stationary magnetic field coil 1.1 and the second stationary magnetic field coil, make its to
6 outer edge of form metal plate generates axial constant magnetic field.The first stationary magnetic field coil 1.1 and second is given using DC power supply 8
1.2 series-fed of stationary magnetic field coil, the axial constant magnetic field for generating it are in the same size.
2.2 series-fed of the first pulsed magnetic field coil 2.1 and the second pulsed magnetic field coil, pulse are given using the pulse power 9
Electric current generates circumferential inductive loop in 6 outer edge of metal sheet to be formed；The first pulsed magnetic field coil is given using the pulse power 9
2.1 and 2.2 series-fed of the second pulsed magnetic field coil, the circumferential inductive loop for generating it is consistent.
Axial constant magnetic field and circumferential inductive loop interact, and generate radial electromagnetic push；F=J × B, axial constant
Magnetic field and circumferential inductive loop interact, and generate radial electromagnetic push.
It uses impulsive force coil 7 to provide forming electromagnetic force for metal sheet 6 to be formed, realizes the shape in radial electromagnetic push
Plate electro-magnetic forming under state.The pulse current that impulsive force coil 7 provides will generate direction phase in the middle part of metal tube 6 to be formed
Anti- inductive loop, pulse current is contrary with inductive loop, provides electromagnetic force for metal tube 6 to be formed.Meanwhile the
One, two stationary magnetic field coils and the first and second pulsed magnetic field coil are that metal tube 6 to be formed provides electromagnetic push, thus make at
Shape metal tube 6 is in plate electro-magnetic forming in the state of radial electromagnetic push.
Stationary magnetic field axially downwardly generates radially inward electromagnetism with anticlockwise circumferential inductive loop effect and pushes away
Power；Or stationary magnetic field axially upwards generates radially inward electromagnetism with clockwise circumferential inductive loop effect and pushes away
Power.F=J × B, direction meet left hand rule.
Embodiment 1:
First stationary magnetic field coil 1.1 is placed in the slot internal upper part of flanging magnetic yoke, the second stationary magnetic field coil 1.2 is placed in magnetism
Lower part in the slot of cavity plate；First pulsed magnetic field coil 2.1 is placed in lower part in the slot of flanging magnetic yoke, by the second pulsed magnetic field coil
2.2 are placed in the slot internal upper part of magnetic cavity plate；
It is sequentially placed magnetic cavity plate, metal sheet to be formed, magnetic cushion film, flanging magnetic yoke, and makes its symmetrical overlapping of axles；Using
DC power supply gives 1.2 series-fed of the first stationary magnetic field coil 1.1 and the second stationary magnetic field coil, makes it in metal plate to be formed
Part outer edge generates axial constant magnetic field；
2.2 series-fed of the first pulsed magnetic field coil 2.1 and the second pulsed magnetic field coil is given using the pulse power, pulse current exists
Metal sheet outer edge to be formed generates circumferential inductive loop；
Axial constant magnetic field and circumferential inductive loop interaction generate radial electromagnetic push；Stationary magnetic field axially downwardly with it is inverse
Conterclockwise circumferential direction inductive loop effect generates radially inward electromagnetic push, or stationary magnetic field axially upwards and clockwise
The circumferential inductive loop effect in direction generates radially inward electromagnetic push；Impulsive force coil is used to mention for metal sheet to be formed
For shaping electromagnetic force, plate electro-magnetic forming in the state of radial electromagnetic push is realized.
Claims (8)
1. a kind of device for realizing plate electro-magnetic forming radial thrust using axial constant magnetic field and inductive loop, it is characterised in that
It include: for generating the first stationary magnetic field coil (1.1) in axial constant magnetic field, second at metal sheet to be formed (6) edge
Stationary magnetic field coil (1.2)；
For generating the first pulsed magnetic field coil (2.1), the second pulsed magnetic of inductive loop at metal sheet to be formed (6) edge
Field coil (2.2)；
For constituting flanging magnetic yoke (3), the magnetic cavity plate (4), magnetic cushion film (5) of stationary magnetic field magnetic loop；
For providing the impulsive force coil (7) of forming force to metal sheet to be formed (6)；
The flanging magnetic yoke (3) includes a first annular slot, and first annular slot cross-section is rectangle；First annular slot inside edge
It is bonded with the outer ledge of metal sheet to be formed (6)；The inside edge of first annular slot outer ledge and magnetic cushion film (5)
It is overlapped；
The magnetism cavity plate (4) includes second annular groove, and the second annular slot cross-section is rectangle；Second annular groove inside edge
It is bonded with the outer ledge of metal sheet to be formed (6)；The outer ledge at the second ring slot outside edge and magnetic cushion film (5)
It is overlapped；
First stationary magnetic field coil (1.1) is located at the first annular slot internal upper part of flanging magnetic yoke (3), the second stationary magnetic field coil
(1.2) it is located at lower part in the second annular groove of magnetic cavity plate (4)；First and second stationary magnetic field coil metal sheet relatively to be formed
(6) plane where is symmetrical above and below；DC power supply (8) are connected in series in first and second stationary magnetic field coil；
First pulsed magnetic field coil (2.1) is located at lower part in the first annular slot of flanging magnetic yoke (3), the second pulsed magnetic field coil
(2.2) it is located at the second annular groove internal upper part of magnetic cavity plate (4)；First and second pulsed magnetic field coil metal sheet relatively to be formed
(6) plane where is symmetrical above and below；The pulse power (9) are connected in series in first and second pulsed magnetic field coil.
2. a kind of according to claim 1 realize plate electro-magnetic forming radial thrust using axial constant magnetic field and inductive loop
Device, it is characterised in that: the flanging magnetic yoke (3) with a thickness of the insulation silicon steel plate packing of 0.2mm by forming.
3. a kind of according to claim 1 realize plate electro-magnetic forming radial thrust using axial constant magnetic field and inductive loop
Device, it is characterised in that: it is described magnetism cavity plate (4) by being formed with a thickness of the insulation silicon steel plate packing of 0.2mm.
4. a kind of according to claim 1 realize plate electro-magnetic forming radial thrust using axial constant magnetic field and inductive loop
Device, it is characterised in that: the first annular slot of the flanging magnetic yoke (3), magnetic cavity plate (4) the second annular groove be in same
Radial location, and the width of slot is consistent with depth.
5. a kind of according to claim 1 realize plate electro-magnetic forming radial thrust using axial constant magnetic field and inductive loop
Device, it is characterised in that: it is described magnetism cushion film (5) be a section be flat rectangle annulus；The thickness of magnetic cushion film (5)
It is identical as the thickness of metal sheet to be formed (6)；Magnetic cushion film (5) with a thickness of the insulation silicon steel plate packing of 0.2mm by forming.
6. a kind of according to claim 1 realize plate electro-magnetic forming radial thrust using axial constant magnetic field and inductive loop
Device, it is characterised in that: the metal sheet (6) to be formed be a circular sheet；Metal sheet (6) to be formed is with a thickness of 2-
5mm。
7. a kind of method for realizing plate electro-magnetic forming radial thrust using axial constant magnetic field and inductive loop, feature exist
In: the first stationary magnetic field coil (1.1) is placed in the first annular slot internal upper part of flanging magnetic yoke (3), by the second stationary magnetic field line
Circle (1.2) is placed in lower part in the second annular groove of magnetic cavity plate (4)；
First pulsed magnetic field coil (2.1) is placed in lower part in the first annular slot of flanging magnetic yoke (3), by the second pulsed magnetic field wire
Circle (2.2) is placed in the second annular groove internal upper part of magnetic cavity plate (4)；
It is sequentially placed magnetic cavity plate (4), metal sheet to be formed (6), magnetic cushion film (5), flanging magnetic yoke (3), and keeps its right
Claim overlapping of axles；
The first stationary magnetic field coil (1.1) and second stationary magnetic field coil (1.2) series-fed are given using DC power supply (8), is made
It generates axial constant magnetic field in metal sheet to be formed (6) outer edge；
The first pulsed magnetic field coil (2.1) and second pulsed magnetic field coil (2.2) series-fed, arteries and veins are given using the pulse power (9)
It rushes electric current and generates circumferential inductive loop in metal sheet to be formed (6) outer edge；
Axial constant magnetic field and circumferential inductive loop interact, and generate radial electromagnetic push；
It uses impulsive force coil (7) to provide forming electromagnetic force for metal sheet to be formed (6), realizes the shape in radial electromagnetic push
Plate electro-magnetic forming under state.
8. a kind of according to claim 7 realize plate electro-magnetic forming radial thrust using axial constant magnetic field and inductive loop
Method, it is characterised in that: stationary magnetic field axially downwardly and anticlockwise circumferential inductive loop effect generate it is radial to
Interior electromagnetic push；Or stationary magnetic field axially upwards and clockwise circumferential inductive loop effect generate radially-inwardly
Electromagnetic push.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910204455.8A CN109967591B (en) | 2019-03-18 | 2019-03-18 | Device and method for realizing electromagnetic forming radial thrust of plate by adopting axial constant magnetic field and induced eddy current |
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| CN201910204455.8A CN109967591B (en) | 2019-03-18 | 2019-03-18 | Device and method for realizing electromagnetic forming radial thrust of plate by adopting axial constant magnetic field and induced eddy current |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110962390A (en) * | 2019-12-25 | 2020-04-07 | 哈尔滨理工大学 | Tablet press for applying electric field and magnetic field in tablet pressing process |
| CN111829888A (en) * | 2019-10-11 | 2020-10-27 | 华中科技大学 | Mechanical property experiment method of material for electromagnetic forming |
| CN115233300A (en) * | 2022-07-29 | 2022-10-25 | 江苏集芯半导体硅材料研究院有限公司 | Growing device of non-contact silicon carbide crystal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111829888A (en) * | 2019-10-11 | 2020-10-27 | 华中科技大学 | Mechanical property experiment method of material for electromagnetic forming |
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| CN115233300A (en) * | 2022-07-29 | 2022-10-25 | 江苏集芯半导体硅材料研究院有限公司 | Growing device of non-contact silicon carbide crystal |
| CN115233300B (en) * | 2022-07-29 | 2023-12-26 | 江苏集芯先进材料有限公司 | Non-contact silicon carbide crystal growth device |
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Application publication date: 20190705 Assignee: Hubei Feiou Commercial Management Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2023980045280 Denomination of invention: A device and method for achieving radial thrust in electromagnetic forming of sheet metal using axial constant magnetic field and induced eddy current Granted publication date: 20200728 License type: Common License Record date: 20231102 |
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