CN101905375A - Magnetic pulse connecting method and joint structure for thin-wall metal pipelines - Google Patents
Magnetic pulse connecting method and joint structure for thin-wall metal pipelines Download PDFInfo
- Publication number
- CN101905375A CN101905375A CN 201010239926 CN201010239926A CN101905375A CN 101905375 A CN101905375 A CN 101905375A CN 201010239926 CN201010239926 CN 201010239926 CN 201010239926 A CN201010239926 A CN 201010239926A CN 101905375 A CN101905375 A CN 101905375A
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- magnetic field
- joint
- thin
- inductor
- 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
Images
Landscapes
- Pressure Welding/Diffusion-Bonding (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a magnetic pulse connecting method and a joint structure for thin-wall metal pipelines and provides a safe and high-efficiency magnetic pulse connecting method and a magnetic pulse connecting joint structure for similar and dissimilar thin-wall metal pipelines. A coil-magnetic concentrator composite inductor or a coil inductor is connected with electromagnetic pulse forming equipment so that the pipelines of various metal materials or various structure shapes can be connected in a magnetic pulse way. The transition area of the joint connecting interface is small, the brittle phase or intermetallic compound almost cannot be generated, and the joint almost has no heat affected area and torsion deformation and has high strength and corrosion-resistance property; the tension strength and torsion strength of the joint are respectively higher than those of weak base metal; the subsequent cleaning procedure and post-weld heat treatment are not needed; and the connected pipeline satisfies certain rigidity requirement, cannot be subjected to the plastic deformation in the magnetic pulse connecting process and has high process flexibility.
Description
Technical field
The present invention relates to a kind of metal tubes interconnection technique, particularly a kind of apply pulse magnetic pressure load connects the method for thin-wall metal pipelines.
Background technology
No matter any metal tubes structure is the supply line in the daily life, or all kinds of pipeline structures in the aerospace flight vehicle, all must relate to the jointing structure and to the selection problem of method of attachment.Usually, the pipe joint position is the link that the easiest generation destroys in the whole pipe-line system.
Along with people's quality of life improves, resource-conserving, environmentally friendly thin-wall stainless steel, the application of copper pipe in water supply industry obtain fast development, leak, ensure that to improving water supply quality, prevent secondary pollution and reducing water pipe the healthy and conserve water resource of resident has important economy and social effect.
The connected mode of stainless steel, copper feed pipe is roughly divided machinery to connect (as compression, clamp-press type etc.) and is connected (welding and bonding) two big classes with on-mechanical both at home and abroad at present.Connected modes such as above-mentioned clamp-press type, compression connection and argon arc welding respectively have its characteristics, and are widely used in the actual installation engineering.But exist problems in actual applications, as the rubber washer problem of aging in the mechanical connection; Present stage also is not suitable for the fluid sealant of plumbing environment preferably, so adhesive technology can't be widely used on the actual engineering; Because unavoidably there are defectives such as heat affected area, weld crack, crystal grain be thick in melting welding head, the joint corrosion resistance is low simultaneously, for the stable operation of supply line stays hidden danger.And the soldering connection procedure generally needs heating, and the uniformity of bell and spigot joint circular gap is difficult for guaranteeing the very difficult fusion penetration of uniformity and the joint design of switching performance homogeneous of obtaining.
In the thin metallic tubd line structure of aircraft engine, consider the needs of structure loss of weight and expanded function, usually need to realize the connection of dissimilar metal thin-wall pipe, as the syndeton of aluminium-alloy pipe and stainless steel straight tube, corrugated stainless steel tubing, being connected etc. of aluminium-alloy pipe and copper alloy tube.Owing to very crisp intermetallic compound easily on linkage interface, occurs, and the very big stress gradient of generation, so, be difficult to obtain the jointing of high strength and high corrosion-resistant by methods such as diffusion welding (DW), explosive welding (EW), roll extrusion connection and friction welding (FW)s, limited of the application of these dissimilar metal connectors thus in fields such as weaponry, Aero-Space and automobile makings.Though advanced Laser Welding, electron beam welding technology can carry out the welding of the different metal materials under some match materials, but, these two kinds of technology are very high to the requirement of jointing structure, pre-welding treatment and clamping condition, and the height of while production cost also makes majority use and hangs back.
Summary of the invention
Purpose of the present invention just is to provide a kind of safe, magnetic pulse connecting method and magnetic field impulse jointing structure efficiently for water-feeding ﹠ drainaging pipeline and other with, xenogenesis thin metallic tubd line structure.
The implementation step that realizes metal tubes magnetic field impulse connection process of the present invention is:
Step 1: to corresponding surface in the overlap L of connecting tube and connecting tube derust, deoil, ungrease treatment, make it to present bright and clean metal interface.
Step 2: connecting tube and connecting tube are placed with axial symmetry, and guaranteed the relative position of joint to be connected, general overlap length is 5-20t (t is the wall thickness of connecting tube).
Step 3: inductor be connected, connecting tube places with axial symmetry, guarantees that the workspace of inductor is relative with the pipe fitting overlap, guarantees dielectric strength enough between inductor and the connecting tube simultaneously;
Step 4: the turnover line end of coil inductor is connected with two terminals of electromagnetic pulse forming equipment, when electromagnetic pulse forming equipment carries out spark to inductor, between inductor and connecting tube, form high-intensity magnetic field and pulsed magnetic pressure, when pulsed magnetic pressure amplitude during significantly greater than the yield limit of connecting tube material, connecting tube generation radial motion and distortion, and impact with connecting tube and to contact, when this impact velocity surpasses the lower limit that produces the metal metallurgy smelting joint, then produce the magnetic pulse welding joint in former overlap position.
When adopting the coil-compound inductor of collection chinaware, the electric current that flows through the transient change of coil produces and the reciprocal induced-current of coil current (eddy current) on the collection chinaware outer wall that closes on coil; According to kelvin effect, eddy current flows on collection chinaware outer wall top layer, and forwards the inwall top layer to and then focus on top layer, chinaware workspace and flow at the collection chinaware place of cracking, and eddy current flow is to identical with coil current at this moment; This eddy current magnetism and connecting tube induced-current magnetic field superposition, between collection chinaware inwall workspace and connecting tube, form high-intensity magnetic field and produce pulsed magnetic pressure, when pulsed magnetic pressure during significantly greater than the yield limit of connecting tube material, connecting tube generation radial motion and distortion, and impact with connecting tube and to contact, when this impact velocity surpasses the lower limit that produces the metal metallurgy smelting joint, then produce the magnetic pulse welding joint in former overlap position.
Used collection chinaware can be cylindrical collection chinaware, and its structure is a single-turn circular coil, and sidewall is opened a vertical narrow groove, adds insulating materials in it.Collection chinaware vertical section structure is " worker " font, trapezoidal or "T"-shaped, and the ratio of the workspace on its inner surface and outer surface axial length is less than 1.Collection chinaware material commonly used is the metal of high strength, high conductivity, as red copper, copper alloy and high strength alumin ium alloy etc.
Realize that pipe joint structure of the present invention is as follows:
1, the piping material coupling that is suitable for of the present invention is as follows
(1) copper-copper or copper alloy
(2) aluminium alloy-aluminium alloy
(3) aluminium alloy-corrugated stainless steel tubing
(4) stainless steel-copper (copper is as the transition structure of stainless steel pipeline)
(5) stainless steel-stainless steel (directly connecting or adopt copper, the aluminium alloy driving body of high conductivity)
(6) other of the same race or different metal materials pipelines
2, the pipeline connecting method of matching materials
General employing applies the necking deformation method of attachment of pulsed magnetic pressure to connecting tube.Under the various connecting line joint design situations, the pipeline of match materials (1)～(4) item connects and can directly realize connecting by magnetic pulse connecting method.Under the various connecting line joint designs, the pipeline of match materials (5) item connects, and adopts the material of high conductivity to do driving body, as some copper alloys, aluminium alloy etc.; Perhaps carrying out before magnetic field impulse connects,, carrying out the magnetic field impulse attended operation again be connected the coating that connecting tube surface that inductor closes on applies certain thickness high conductivity metal material with magnetic field impulse.Under the various connecting line joint designs, the pipeline of match materials (6) item connects, if high conductivity metal is a connecting tube, then directly realizes connecting by magnetic pulse connecting method; If the low conductivity metal is a connecting tube, then handle by the pipeline connecting method of match materials (5) item.
The single face radial clearance of magnetic field impulse connecting tube and connecting tube is 5～20% of an outer tube interior diameter, perhaps gets 0.5～2.0t.
Connecting tube satisfies must rigidity requirement, to guarantee that plastic deformation or structural instability do not take place in the magnetic field impulse connection procedure.When magnetic field impulse connects (acquisition welding point), need not fill backing material and protective gas in the connected tube, need not other extra requirements simultaneously.
3, the pipe joint that is suitable for of the present invention connects
(1) connection of reducing or isometrical straight-through, elbow joints
(2) connection of multiple-pass joint such as threeway, four-way connection
The present invention compared with prior art has following beneficial effect: (1) is for the electromagnetic pulse forming equipment of low and medium frequency, adopt coil directly connecting tube to be applied magnetic pressure as inductor, by the number of turn of regulating winding, the inductance that conductor cross-section changes coil itself, realize that magnetic field impulse connects the discharge loop Parameter Optimization, obtains the magnetic pulse welding joint of thin metallic tubd; (2) for the magnetic pulse formation equipment of medium-high frequency, for improving the inductor life-span, adopt coil-compound sensor structure of collection chinaware, diameter and wall thickness at pipe fitting, by changing the geometric properties of collection chinaware, can utilize existing coil can carry out multiple connection, significantly improve the process flexibility of pipe-pipe magnetic pulse connecting method; (3) need not follow-up cleaning process and post weld heat treatment; (4) because the contact of high speed impact at room temperature connection, the transition region of joint linkage interface is very little, produces fragility phase or intermetallic compound hardly, several no heat affected areas of joint and torsional deformation, intensity and corrosion resistance height, tensile strength and torsional strength all are higher than more weak mother metal at least; (5) be used for the pipe joint structure that magnetic field impulse connects and only need guarantee radial clearance enough between connecting tube and the connecting tube, the lap of splice; simultaneously satisfy must rigidity requirement for connecting tube; to guarantee that plastic deformation or structural instability do not take place in the magnetic field impulse connection procedure; when magnetic field impulse connects; need not fill backing material and protective gas in the connected tube; need not other extra requirements simultaneously, the technological flexibility height.
Description of drawings
Fig. 1 coil is as the pipe-pipe magnetic field impulse connection diagram of inductor
Fig. 2 coil-collection chinaware is as the pipe-pipe magnetic field impulse connection diagram of compound inductor
Fig. 3 is the side view of Fig. 2
The pipe of Fig. 4 band driving body-pipe magnetic field impulse connection diagram
Fig. 5 leads directly to connecting tube magnetic field impulse jointing structural representation
Fig. 6 elbow connecting tube magnetic field impulse jointing structural representation
Fig. 7 leads to jointed tubular workpieces magnetic field impulse jointing structural representation more
Fig. 8 aluminium alloy-corrugated stainless steel tubing magnetic field impulse jointing structural representation
1---coil 2---connecting tube 3---connecting tube
4---electromagnetic pulse forming equipment 5---collection chinaware 6---driving body or driving coatings
The specific embodiment
Embodiment 1
Coil is as the pipe-pipe magnetic pulse connecting method of inductor:
Adopt the 3A21 pipe of φ 20 * 1.0mm to be connected electromagnetic pulse forming device capacitances amount 720 μ F, discharge voltage 5.5kV, coil turn 5, internal diameter 21mm, its red copper circle line cross section 5 * 7mm with 20 steel pipes of φ 16 * 2.0mm.Above-mentioned two kinds of material pipe magnetic field impulse connection procedures have been realized, the welding point that obtain to have the fluctuation interface, remarkable interface element spreads.Magnetic field impulse jockey such as Fig. 1, concrete implementation procedure is as follows:
Step 1: derust, deoil in the corresponding surface to the overlap of the connecting tube 3 of length L and connecting tube 2, ungrease treatment, makes it to present bright and clean metal interface.
Step 2: connecting tube 3 and connecting tube 2 are placed with axial symmetry, and guaranteed the relative position of joint to be connected, the general lap of splice is 5-20t (t is the wall thickness of connecting tube).
Step 3: inductor coil 1 and connecting tube 3, connecting tube 2 are placed with axial symmetry, guaranteed that the coil inner surface is relative with the pipe fitting overlap, guarantee enough dielectric strengths between coil 1 and the connecting tube 3 simultaneously.
Step 4: the turnover line end of coil 1 is connected with two terminals of electromagnetic pulse forming equipment 4.When 4 pairs of inductor coils of electromagnetic pulse forming equipment 1 carry out spark, instantaneous, the high-frequency pulse current that flow through coil 1 produce the high-intensity magnetic field of transient change, and produce and the reciprocal induced-current of coil current (eddy current) on the outer wall of the connecting tube 3 that closes on it; According to kelvin effect, eddy current flows on the top layer of overlap inner connection tube spare tube wall; This eddy current magnetism and inductor current magnetic field superposition form high-intensity magnetic field between surface and connecting tube 3 outer surface of tube wall in coil, and produce the pulsed magnetic pressure that is applied to it with the effect of connecting tube spare induced-current.When pulsed magnetic pressure amplitude during significantly greater than the yield limit of connecting tube 3 materials, connecting tube generation radial motion and distortion, and impact with connecting tube and contact, when this impact velocity surpasses the lower limit that produces the metal metallurgy smelting joint, then at former overlap position generation magnetic pulse welding joint.
Coil-collection chinaware is as the pipe-pipe magnetic pulse connecting method of compound inductor:
Adopt the 3A21 pipe of φ 32 * 1.0mm to be connected electromagnetic pulse forming device capacitances amount 720 μ F, discharge voltage 6.5kV with 20 steel pipes of φ 28 * 2.5mm; Coil turn 17, internal diameter 91mm, circle line cross section 3 * 5mm, axial length 100mm; Collection chinaware external diameter 91mm, internal diameter 33mm, the long 100mm of outer wall, work head of district 10mm, the wide 0.5mm of longitudinal joint.Realize above-mentioned two kinds of material pipe electromagnetic pulse connection procedures, obtained to have the welding point at fluctuation interface.Magnetic field impulse jockey such as Fig. 2 and Fig. 3.Concrete implementation procedure is as follows:
Step 1: derust, deoil in the corresponding surface to the overlap of the connecting tube 3 of length L and connecting tube 2, ungrease treatment, makes it to present bright and clean metal interface.
Step 2: connecting tube 3 and connecting tube 2 are placed with axial symmetry, and guaranteed the relative position of joint to be connected, the general lap of splice is 5-20t (t is the wall thickness of connecting tube).
Step 3: coil 1-collection chinaware 5 compound inductorses and connecting tube 3, connecting tube 2 are placed with axial symmetry, the workspace that guarantees compound inductors and pipe fitting connect to be distinguished relatively, guarantees enough dielectric strengths between compound inductors and the connecting tube 3 simultaneously; Used cylindrical collection chinaware 5 essence are a single-turn circular coil, and sidewall is opened a vertical narrow groove, add insulating materials in it.The longitudinal section of collection chinaware is isosceles trapezoid.Workspace on the collection chinaware inner surface is 10 with the ratio of outer surface axial length, and collection chinaware material commonly used is the metal of high strength, high conductivity, as red copper, copper alloy and high strength alumin ium alloy etc.
Step 4: the turnover line end of coil 1 is connected with two terminals of electromagnetic pulse forming equipment 4.When 4 pairs of coils of electromagnetic pulse forming equipment 1 carried out spark, the electric current that flows through the transient change of coil 1 produced on collection chinaware 5 outer walls that coil closes on and the reciprocal induced-current of coil current (eddy current); According to kelvin effect, eddy current flows on collection chinaware 5 outer wall top layers, and forward the inwall top layer to and then focus on top layer, chinaware workspace mobile at collection chinaware 5 place of cracking, and on the outer wall of the connecting tube 3 that closes on it, produce and the reciprocal induced-current of coil current, collection chinaware 5 workspace induced-currents and connecting tube 3 faradic magnetic field superposition, form high-intensity magnetic field between workspace on the collection chinaware inwall and connecting tube 3, itself and connecting tube 3 induced-current effects produce the pulsed magnetic pressure that is applied to it.Similar with afore-mentioned, produce the magnetic pulse welding joint.
Pipe-pipe the magnetic pulse connecting method of band driving body:
Comparative examples 1, the SS304 pipe 3 of φ 22 * 1.0mm is connected electromagnetic pulse forming device capacitances amount 100 μ F, discharge voltage 16.0kV, coil turn 10, circle line cross section 5 * 7mm with the SS304 pipe 2 of φ 18 * 1.0mm; Band collection chinaware, its internal diameter 24.5mm, work head of district 10.0mm, connecting tube is aided with red copper driving ring 6 outward, or uniform red copper coating 6.Realize above-mentioned two kinds of material pipe magnetic field impulse connection procedures, obtained welding point.Joint design such as Fig. 4.
The method of attachment of the straight-through connecting tube magnetic field impulse jointing structure of same material:
Adopt the red copper pipe fitting 2 of φ 20 * 1.0mm to be connected electromagnetic pulse forming device capacitances amount 100 μ F, discharge voltage 14.5kV, coil turn 5, internal diameter 25, circle line cross section 5 * 7mm with the red copper pipe fitting 3 of φ 24 * 1.0mm.Realized that above-mentioned two kinds of material pipe magnetic field impulses connect.Joint design such as Fig. 5.The technology implementation procedure is with reference to embodiment 1 described method.
Embodiment 5
Foreign material leads directly to the method for attachment of connecting tube magnetic field impulse jointing structure:
Adopt the SS304 pipe fitting 2 of φ 20 * 1.0mm to be connected electromagnetic pulse forming device capacitances amount 100 μ F, discharge voltage 18.0kV, coil turn 4, internal diameter 25, circle line cross section 3 * 7mm with the red copper pipe fitting 3 of φ 24 * 1.0mm.Realized that above-mentioned two kinds of material pipe magnetic field impulses connect.Joint design such as Fig. 5.The technology implementation procedure is with reference to embodiment 1 described method.
The method of attachment of elbow connecting tube magnetic field impulse jointing structure:
With reference to embodiment 4,5 described methods of attachment, wherein connecting tube 3 is for being the copper tube of an angle of 90 degrees bending.Joint design as shown in Figure 6.
Embodiment 7
The method of attachment of leading to jointed tubular workpieces magnetic field impulse jointing structure more:
With reference to embodiment 4 described methods of attachment, wherein connecting tube 3 is the copper tube of three-way connection, and three connecting tubes 2 are straight-through copper tube.Joint design as shown in Figure 7.
Embodiment 8
Aluminium alloy-corrugated stainless steel tubing magnetic field impulse jointing structure:
With reference to embodiment 1 described method of attachment, wherein connecting tube 3 is the high-strength aluminum alloy pipe, and connecting tube 2 is a corrugated stainless steel tubing.This kind syndeton is used to compensate because the variation that causes the pipeline structure axial dimension to take place under the industrial and mineral condition of variations in temperature.Joint design as shown in Figure 8.
Claims (9)
1. thin-wall metal pipelines magnetic pulse connecting method is characterized in that: the implementation step that this metal tubes magnetic field impulse connects process is as follows:
Step 1: to corresponding surface in the overlap L of connecting tube and connecting tube derust, deoil, ungrease treatment, make it to present bright and clean metal interface;
Step 2: connecting tube and connecting tube are placed with axial symmetry, and guaranteed the relative position of joint to be connected, general overlap length is 5-20t (t is the wall thickness of connecting tube);
Step 3: inductor be connected, connecting tube places with axial symmetry, guarantees that the workspace of inductor is relative with the pipe fitting overlap, guarantees dielectric strength enough between inductor and the connecting tube simultaneously;
Step 4: the turnover line end of coil inductor is connected with two terminals of electromagnetic pulse forming equipment, when electromagnetic pulse forming equipment carries out spark to inductor, between inductor and connecting tube, form high-intensity magnetic field and pulsed magnetic pressure, when pulsed magnetic pressure amplitude during significantly greater than the yield limit of connecting tube material, connecting tube generation radial motion and distortion, and impact with connecting tube and to contact, when this impact velocity surpasses the lower limit that produces the metal metallurgy smelting joint, then produce the magnetic pulse welding joint in former overlap position.
2. thin-wall metal pipelines magnetic pulse connecting method according to claim 1 is characterized in that: the inductor in step 4 is coil-compound inductor of collection chinaware; The electric current that flows through the transient change of coil produces and the reciprocal induced-current of coil current (eddy current) on the collection chinaware outer wall that closes on coil; According to kelvin effect, eddy current flows on collection chinaware outer wall top layer, and forwards the inwall top layer to and then focus on top layer, chinaware workspace and flow at the collection chinaware place of cracking, and eddy current flow is to identical with coil current at this moment; This eddy current magnetism and connecting tube induced-current magnetic field superposition, between collection chinaware inwall workspace and connecting tube, form high-intensity magnetic field and produce pulsed magnetic pressure, when pulsed magnetic pressure during significantly greater than the yield limit of connecting tube material, connecting tube generation radial motion and distortion, and impact with connecting tube and to contact, when this impact velocity surpasses the lower limit that produces the metal metallurgy smelting joint, then produce the magnetic pulse welding joint in former overlap position.
3. thin-wall metal pipelines magnetic pulse connecting method according to claim 2, it is characterized in that: used collection chinaware can be cylindrical collection chinaware, its structure is a single-turn circular coil, sidewall is opened a vertical narrow groove, add insulating materials in it, collection chinaware vertical section structure is " worker " font, trapezoidal or "T"-shaped, and the ratio of the workspace on its inner surface and outer surface axial length is less than 1; Collection chinaware material is the metal of high strength, high conductivity, can be red copper or copper alloy or high strength alumin ium alloy.
4. according to claim 1,2 described thin-wall metal pipelines magnetic pulse connecting methods, it is characterized in that: the pipe joint structure that the related thin-wall metal pipelines magnetic field impulse of this method connects,
1) pipe joint that is suitable for of the present invention is connected to
(1) connection of reducing or isometrical straight-through, elbow joints
(2) connection of multiple-pass joint such as threeway, four-way connection
2) the piping material coupling that is suitable for of the present invention is as follows
(1) copper-copper or copper alloy, or
(2) aluminium alloy-aluminium alloy, or
(3) aluminium alloy-corrugated stainless steel tubing, or
(4) stainless steel-copper (copper is as the transition structure of stainless steel pipeline), or
(5) stainless steel-stainless steel (directly connecting or adopt copper, the aluminium alloy driving body of high conductivity), or
(6) other of the same race or different metal materials pipelines.
5. thin-wall metal pipelines magnetic field impulse connecting line joint design according to claim 4 is characterized in that: the pipeline of (1)～(4) item connects in the described piping material coupling, can directly realize connecting by magnetic pulse connecting method.
6. thin-wall metal pipelines magnetic field impulse connecting line joint design according to claim 4 is characterized in that: the pipeline of (5) item connects in the described piping material coupling, adopts the material of high conductivity to do driving body, as copper alloy or aluminium alloy etc.; Perhaps carrying out before magnetic field impulse connects,, carrying out the magnetic field impulse attended operation again be connected the coating that connecting tube surface that inductor closes on applies certain thickness high conductivity metal material with magnetic field impulse.
7. thin-wall metal pipelines magnetic field impulse connecting line joint design according to claim 4 is characterized in that: the pipeline of described piping material coupling (6) item connects, if high conductivity metal is a tube connector, then directly realizes connecting by magnetic pulse connecting method; If the low conductivity metal is a tube connector, then handle by the pipeline connecting method of match materials (5) item.
8. thin-wall metal pipelines magnetic field impulse connecting line joint design according to claim 4, it is characterized in that: the single face radial clearance of magnetic field impulse connecting tube and connecting tube is 5～20% of an outer tube interior diameter, perhaps gets 0.5～2.0t.
9. thin-wall metal pipelines magnetic field impulse connecting line joint design according to claim 4 is characterized in that: connecting tube satisfies must rigidity, to guarantee that plastic deformation or structural instability do not take place in the magnetic field impulse connection procedure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010239926 CN101905375A (en) | 2010-07-29 | 2010-07-29 | Magnetic pulse connecting method and joint structure for thin-wall metal pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010239926 CN101905375A (en) | 2010-07-29 | 2010-07-29 | Magnetic pulse connecting method and joint structure for thin-wall metal pipelines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101905375A true CN101905375A (en) | 2010-12-08 |
Family
ID=43261040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010239926 Pending CN101905375A (en) | 2010-07-29 | 2010-07-29 | Magnetic pulse connecting method and joint structure for thin-wall metal pipelines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101905375A (en) |
Cited By (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581418A (en) * | 2012-03-16 | 2012-07-18 | 宁夏小牛自动化设备有限公司 | Solar battery series welding device and solar battery series welding head |
| CN102744310A (en) * | 2012-07-11 | 2012-10-24 | 哈尔滨工业大学 | Magnetic pulse forming device and method of bimetal composite pipe |
| CN103231165A (en) * | 2013-04-14 | 2013-08-07 | 北京工业大学 | Magnetic pulse asymmetric magnetic collection device for special-shaped pipe fitting |
| CN103574190A (en) * | 2012-08-07 | 2014-02-12 | 福特全球技术公司 | Assembly including parts made of dissimilar metals and the method of manufacturing the assembly |
| CN103647161A (en) * | 2013-12-06 | 2014-03-19 | 国家电网公司 | Fracture-resistance copper and aluminum transition plate |
| CN104014923A (en) * | 2014-06-11 | 2014-09-03 | 中国航空工业集团公司北京航空制造工程研究所 | Aluminum alloy diffusion bonding method |
| CN104384701A (en) * | 2014-11-11 | 2015-03-04 | 武汉理工大学 | Magnesium alloy/carbon steel pipe composite connection method based on induction heating and electromagnetic forming |
| CN105014224A (en) * | 2015-08-14 | 2015-11-04 | 哈尔滨工业大学 | High-speed deformation connecting method and device for dissimilar metal sheets |
| CN105458058A (en) * | 2014-09-11 | 2016-04-06 | 首都航天机械公司 | Method for decreasing or eliminating interlayer gaps of multi-layer corrugated pipe |
| CN105492156A (en) * | 2013-11-26 | 2016-04-13 | 株式会社神户制钢所 | Structure member and manufacturing method of said structural member |
| CN105789728A (en) * | 2014-12-23 | 2016-07-20 | 比亚迪股份有限公司 | Liquid-cooled plate for battery, preparation method of liquid-cooled plate, battery module, battery pack and electric vehicle |
| CN105873693A (en) * | 2013-12-31 | 2016-08-17 | Adm28责任有限公司 | Method for attaching a metal ring in a frame and induction coil obtained by said method |
| CN105965184A (en) * | 2016-07-21 | 2016-09-28 | 内蒙古科技大学 | Novel magnetic collector for electromagnetic pulse welding |
| CN106271016A (en) * | 2016-09-18 | 2017-01-04 | 华中科技大学 | A kind of welding method of positive enthalpy of mixing different metal materials |
| CN106346152A (en) * | 2016-10-20 | 2017-01-25 | 北京工业大学 | Pipe fitting pulse current resistance heating and electromagnetic pulse composite welding method |
| CN106938362A (en) * | 2017-04-24 | 2017-07-11 | 武汉理工大学 | A kind of connection method of magnetic pulse formation assistant brazing metal tube |
| CN107081514A (en) * | 2017-05-17 | 2017-08-22 | 重庆市光学机械研究所 | A kind of electromagnetic pulse welding folding collection chinaware |
| CN107283041A (en) * | 2017-07-17 | 2017-10-24 | 中国科学院电工研究所 | A kind of superconducting joint welder based on magnetic pulse forming techniques |
| CN107874598A (en) * | 2016-09-30 | 2018-04-06 | Seb公司 | Assembly of lid, the pressure cooking device and relative manufacturing process with the sub-component |
| CN107971618A (en) * | 2017-12-27 | 2018-05-01 | 重庆大学 | Dismountable Modular electrical magnetic pulse welding coil sum aggregate chinaware |
| CN108480449A (en) * | 2018-04-02 | 2018-09-04 | 三峡大学 | A kind of Aluminum Alloy Tube staggeredly deforms electromagnetic connector and method |
| CN109175062A (en) * | 2018-07-10 | 2019-01-11 | 西安交通大学 | The electromagnetic pulse forming device and manufacturing process of crimping cable transition joint connecting tube |
| CN109202257A (en) * | 2018-11-29 | 2019-01-15 | 哈工大机器人（岳阳）军民融合研究院 | Metal tube and metal plate Joining Technology and structure based on magnetic pulse welding techniques |
| CN109202256A (en) * | 2018-11-29 | 2019-01-15 | 哈工大机器人（岳阳）军民融合研究院 | It is glued magnetic pulse welding composite joint technique, structure, connector and product |
| CN109807426A (en) * | 2019-02-27 | 2019-05-28 | 重庆科技学院 | It is exclusively used in the electromagnetic pulse welding system of pcb board welding |
| CN110026670A (en) * | 2019-05-16 | 2019-07-19 | 福州大学 | Dissimilar metal plate collection magnetic-control power formula magnetic field impulse attachment device and its working method |
| WO2019161997A1 (en) * | 2018-02-26 | 2019-08-29 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Cable |
| CN110295676A (en) * | 2018-03-28 | 2019-10-01 | 李庆三 | Round tube node transformational structure for building |
| CN110681760A (en) * | 2019-09-29 | 2020-01-14 | 华中科技大学 | Electromagnetic pulse hole flanging forming device for thick plate or thick arc-shaped part |
| CN110799283A (en) * | 2017-07-12 | 2020-02-14 | 株式会社神户制钢所 | Electromagnetic forming device and electromagnetic forming method for aluminum pipe member |
| CN111542410A (en) * | 2017-12-26 | 2020-08-14 | Adm28责任有限公司 | Method for assembling a ring member in a tubular member by magnetic pulses |
| CN111730189A (en) * | 2020-06-28 | 2020-10-02 | 重庆大学 | Electromagnetic pulse sealing device and method for metal-covered container |
| CN111940886A (en) * | 2020-07-29 | 2020-11-17 | 北京机械设备研究所 | Magnetic collection device for improving connection effect of magnetic pulse welding joint |
| CN113102858A (en) * | 2020-01-13 | 2021-07-13 | 武汉理工大学 | Pipe fitting magnetic pulse welding device and method for welding pipe fitting by using same |
| CN113275733A (en) * | 2021-06-22 | 2021-08-20 | 南昌航空大学 | Electromagnetic pulse material adding device and method for aviation multi-runner pipe fitting |
| CN114054903A (en) * | 2021-12-02 | 2022-02-18 | 南昌航空大学 | Magnetic pulse-TIG welding connection method of stainless composite pipe |
| CN114802486A (en) * | 2022-03-26 | 2022-07-29 | 湖南大学 | Light metal high-strength pure electric passenger car composite structure and connection process |
| CN114799170A (en) * | 2022-05-31 | 2022-07-29 | 智磁(重庆)科技有限责任公司 | Spiral groove type flat plate magnetic collector applied to electromagnetic pulse axial pressing |
| CN114871326A (en) * | 2022-04-02 | 2022-08-09 | 三峡大学 | Pipe fitting bulging method and device adopting metal coating magnetic collector |
| CN114981585A (en) * | 2020-01-15 | 2022-08-30 | 佛吉亚排气系统有限公司 | Tank, in particular for hydrogen, with improved sealing |
| CN115121927A (en) * | 2022-06-28 | 2022-09-30 | 福州大学 | Real-time centering and deviation-correcting device and method for pipe for electromagnetic pulse welding |
| CN115870604A (en) * | 2021-09-27 | 2023-03-31 | 哈尔滨工业大学 | Novel coil structure for magnetic pulse welding of plates |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5284146A (en) * | 1976-01-05 | 1977-07-13 | Tokyo Shibaura Electric Co | Electromagnetic solid phase bonding method |
| JPS5424245A (en) * | 1977-07-26 | 1979-02-23 | Toshiba Corp | Electromagnetic solid phase splicing method |
| JPS5459624A (en) * | 1977-10-21 | 1979-05-14 | Hitachi Ltd | Junction method of aluminum pipes |
| JPS5494458A (en) * | 1978-01-11 | 1979-07-26 | Toshiba Corp | Solid-phase electromagnetic joining method |
| JPS54137459A (en) * | 1978-04-19 | 1979-10-25 | Toshiba Corp | Electromagnetic solid welding |
| JPS5597890A (en) * | 1979-01-17 | 1980-07-25 | Hitachi Ltd | Electromagnetic bonding method |
| JPS55122694A (en) * | 1979-03-13 | 1980-09-20 | Sankei Seisakusho:Kk | Electromagnetic pressure-welding method |
| US5824998A (en) * | 1995-12-20 | 1998-10-20 | Pulsar Welding Ltd. | Joining or welding of metal objects by a pulsed magnetic force |
| CN101065210A (en) * | 2004-11-24 | 2007-10-31 | 达纳公司 | Method for performing a magnetic pulse welding operation to secure first and second metallic components with a preheating step for softening a first part of the first member |
| CN101472701A (en) * | 2006-06-20 | 2009-07-01 | 帕尔萨焊接有限公司 | Method for high pressure/high velocity welding or joining first and second metal workpieces before welding/ joining |
-
2010
- 2010-07-29 CN CN 201010239926 patent/CN101905375A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5284146A (en) * | 1976-01-05 | 1977-07-13 | Tokyo Shibaura Electric Co | Electromagnetic solid phase bonding method |
| JPS5424245A (en) * | 1977-07-26 | 1979-02-23 | Toshiba Corp | Electromagnetic solid phase splicing method |
| JPS5459624A (en) * | 1977-10-21 | 1979-05-14 | Hitachi Ltd | Junction method of aluminum pipes |
| JPS5494458A (en) * | 1978-01-11 | 1979-07-26 | Toshiba Corp | Solid-phase electromagnetic joining method |
| JPS54137459A (en) * | 1978-04-19 | 1979-10-25 | Toshiba Corp | Electromagnetic solid welding |
| JPS5597890A (en) * | 1979-01-17 | 1980-07-25 | Hitachi Ltd | Electromagnetic bonding method |
| JPS55122694A (en) * | 1979-03-13 | 1980-09-20 | Sankei Seisakusho:Kk | Electromagnetic pressure-welding method |
| US5824998A (en) * | 1995-12-20 | 1998-10-20 | Pulsar Welding Ltd. | Joining or welding of metal objects by a pulsed magnetic force |
| CN101065210A (en) * | 2004-11-24 | 2007-10-31 | 达纳公司 | Method for performing a magnetic pulse welding operation to secure first and second metallic components with a preheating step for softening a first part of the first member |
| CN101472701A (en) * | 2006-06-20 | 2009-07-01 | 帕尔萨焊接有限公司 | Method for high pressure/high velocity welding or joining first and second metal workpieces before welding/ joining |
Non-Patent Citations (1)
| Title |
|---|
| 《锻压技术》 20090430 于海平 等 异种金属磁脉冲连接技术的研究与应用 1-6 1-9 第34卷, 第2期 2 * |
Cited By (58)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581418B (en) * | 2012-03-16 | 2014-07-09 | 宁夏小牛自动化设备有限公司 | Solar battery series welding device and solar battery series welding head |
| CN102581418A (en) * | 2012-03-16 | 2012-07-18 | 宁夏小牛自动化设备有限公司 | Solar battery series welding device and solar battery series welding head |
| CN102744310A (en) * | 2012-07-11 | 2012-10-24 | 哈尔滨工业大学 | Magnetic pulse forming device and method of bimetal composite pipe |
| CN102744310B (en) * | 2012-07-11 | 2014-10-08 | 哈尔滨工业大学 | Magnetic pulse forming device and method of bimetal composite pipe |
| CN103574190A (en) * | 2012-08-07 | 2014-02-12 | 福特全球技术公司 | Assembly including parts made of dissimilar metals and the method of manufacturing the assembly |
| CN103574190B (en) * | 2012-08-07 | 2017-11-14 | 福特全球技术公司 | Method including the component of part made of dissimilar metal and the manufacture component |
| CN103231165A (en) * | 2013-04-14 | 2013-08-07 | 北京工业大学 | Magnetic pulse asymmetric magnetic collection device for special-shaped pipe fitting |
| CN105492156A (en) * | 2013-11-26 | 2016-04-13 | 株式会社神户制钢所 | Structure member and manufacturing method of said structural member |
| CN105492156B (en) * | 2013-11-26 | 2018-01-30 | 株式会社神户制钢所 | The manufacture method of structural member and the structural member |
| CN103647161A (en) * | 2013-12-06 | 2014-03-19 | 国家电网公司 | Fracture-resistance copper and aluminum transition plate |
| CN105873693A (en) * | 2013-12-31 | 2016-08-17 | Adm28责任有限公司 | Method for attaching a metal ring in a frame and induction coil obtained by said method |
| CN104014923B (en) * | 2014-06-11 | 2016-06-01 | 中国航空工业集团公司北京航空制造工程研究所 | A kind of aluminium alloy diffusion connection method |
| CN104014923A (en) * | 2014-06-11 | 2014-09-03 | 中国航空工业集团公司北京航空制造工程研究所 | Aluminum alloy diffusion bonding method |
| CN105458058A (en) * | 2014-09-11 | 2016-04-06 | 首都航天机械公司 | Method for decreasing or eliminating interlayer gaps of multi-layer corrugated pipe |
| CN104384701A (en) * | 2014-11-11 | 2015-03-04 | 武汉理工大学 | Magnesium alloy/carbon steel pipe composite connection method based on induction heating and electromagnetic forming |
| CN105789728A (en) * | 2014-12-23 | 2016-07-20 | 比亚迪股份有限公司 | Liquid-cooled plate for battery, preparation method of liquid-cooled plate, battery module, battery pack and electric vehicle |
| CN105789728B (en) * | 2014-12-23 | 2020-07-10 | 比亚迪股份有限公司 | Battery liquid cooling plate, preparation method thereof, battery module, battery pack and electric automobile |
| CN105014224A (en) * | 2015-08-14 | 2015-11-04 | 哈尔滨工业大学 | High-speed deformation connecting method and device for dissimilar metal sheets |
| CN105965184A (en) * | 2016-07-21 | 2016-09-28 | 内蒙古科技大学 | Novel magnetic collector for electromagnetic pulse welding |
| CN105965184B (en) * | 2016-07-21 | 2018-08-24 | 内蒙古科技大学 | A kind of electromagnet pulse welding collection chinaware |
| CN106271016A (en) * | 2016-09-18 | 2017-01-04 | 华中科技大学 | A kind of welding method of positive enthalpy of mixing different metal materials |
| CN107874598A (en) * | 2016-09-30 | 2018-04-06 | Seb公司 | Assembly of lid, the pressure cooking device and relative manufacturing process with the sub-component |
| CN107874598B (en) * | 2016-09-30 | 2021-04-09 | Seb公司 | Lid assembly, pressure cooker with said sub-assembly and relative manufacturing method |
| CN106346152A (en) * | 2016-10-20 | 2017-01-25 | 北京工业大学 | Pipe fitting pulse current resistance heating and electromagnetic pulse composite welding method |
| CN106938362A (en) * | 2017-04-24 | 2017-07-11 | 武汉理工大学 | A kind of connection method of magnetic pulse formation assistant brazing metal tube |
| CN106938362B (en) * | 2017-04-24 | 2019-08-27 | 武汉理工大学 | A kind of connection method of magnetic pulse formation assistant brazing metal tube |
| CN107081514A (en) * | 2017-05-17 | 2017-08-22 | 重庆市光学机械研究所 | A kind of electromagnetic pulse welding folding collection chinaware |
| CN110799283B (en) * | 2017-07-12 | 2021-07-16 | 株式会社神户制钢所 | Electromagnetic forming device and electromagnetic forming method for aluminum pipe member |
| CN110799283A (en) * | 2017-07-12 | 2020-02-14 | 株式会社神户制钢所 | Electromagnetic forming device and electromagnetic forming method for aluminum pipe member |
| CN107283041A (en) * | 2017-07-17 | 2017-10-24 | 中国科学院电工研究所 | A kind of superconducting joint welder based on magnetic pulse forming techniques |
| CN111542410A (en) * | 2017-12-26 | 2020-08-14 | Adm28责任有限公司 | Method for assembling a ring member in a tubular member by magnetic pulses |
| CN107971618A (en) * | 2017-12-27 | 2018-05-01 | 重庆大学 | Dismountable Modular electrical magnetic pulse welding coil sum aggregate chinaware |
| WO2019161997A1 (en) * | 2018-02-26 | 2019-08-29 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Cable |
| CN110295676A (en) * | 2018-03-28 | 2019-10-01 | 李庆三 | Round tube node transformational structure for building |
| CN108480449A (en) * | 2018-04-02 | 2018-09-04 | 三峡大学 | A kind of Aluminum Alloy Tube staggeredly deforms electromagnetic connector and method |
| CN108480449B (en) * | 2018-04-02 | 2024-03-29 | 三峡大学 | Staggered deformation electromagnetic connecting device and method for aluminum alloy pipe fittings |
| CN109175062A (en) * | 2018-07-10 | 2019-01-11 | 西安交通大学 | The electromagnetic pulse forming device and manufacturing process of crimping cable transition joint connecting tube |
| CN109202257A (en) * | 2018-11-29 | 2019-01-15 | 哈工大机器人（岳阳）军民融合研究院 | Metal tube and metal plate Joining Technology and structure based on magnetic pulse welding techniques |
| CN109202256A (en) * | 2018-11-29 | 2019-01-15 | 哈工大机器人（岳阳）军民融合研究院 | It is glued magnetic pulse welding composite joint technique, structure, connector and product |
| CN109807426A (en) * | 2019-02-27 | 2019-05-28 | 重庆科技学院 | It is exclusively used in the electromagnetic pulse welding system of pcb board welding |
| CN110026670A (en) * | 2019-05-16 | 2019-07-19 | 福州大学 | Dissimilar metal plate collection magnetic-control power formula magnetic field impulse attachment device and its working method |
| CN110681760A (en) * | 2019-09-29 | 2020-01-14 | 华中科技大学 | Electromagnetic pulse hole flanging forming device for thick plate or thick arc-shaped part |
| CN113102858A (en) * | 2020-01-13 | 2021-07-13 | 武汉理工大学 | Pipe fitting magnetic pulse welding device and method for welding pipe fitting by using same |
| CN114981585A (en) * | 2020-01-15 | 2022-08-30 | 佛吉亚排气系统有限公司 | Tank, in particular for hydrogen, with improved sealing |
| CN111730189A (en) * | 2020-06-28 | 2020-10-02 | 重庆大学 | Electromagnetic pulse sealing device and method for metal-covered container |
| CN111940886A (en) * | 2020-07-29 | 2020-11-17 | 北京机械设备研究所 | Magnetic collection device for improving connection effect of magnetic pulse welding joint |
| CN111940886B (en) * | 2020-07-29 | 2022-03-11 | 北京机械设备研究所 | Magnetic collection device for improving connection effect of magnetic pulse welding joint |
| CN113275733A (en) * | 2021-06-22 | 2021-08-20 | 南昌航空大学 | Electromagnetic pulse material adding device and method for aviation multi-runner pipe fitting |
| CN115870604A (en) * | 2021-09-27 | 2023-03-31 | 哈尔滨工业大学 | Novel coil structure for magnetic pulse welding of plates |
| CN114054903A (en) * | 2021-12-02 | 2022-02-18 | 南昌航空大学 | Magnetic pulse-TIG welding connection method of stainless composite pipe |
| CN114054903B (en) * | 2021-12-02 | 2023-03-14 | 南昌航空大学 | Magnetic pulse-TIG welding connection method of stainless composite pipe |
| CN114802486B (en) * | 2022-03-26 | 2022-11-29 | 湖南大学 | Light metal high-strength pure electric passenger car composite structure and connection process |
| CN114802486A (en) * | 2022-03-26 | 2022-07-29 | 湖南大学 | Light metal high-strength pure electric passenger car composite structure and connection process |
| CN114871326A (en) * | 2022-04-02 | 2022-08-09 | 三峡大学 | Pipe fitting bulging method and device adopting metal coating magnetic collector |
| CN114871326B (en) * | 2022-04-02 | 2024-05-28 | 三峡大学 | Pipe bulging method and device adopting metal coating magnetic collector |
| CN114799170A (en) * | 2022-05-31 | 2022-07-29 | 智磁(重庆)科技有限责任公司 | Spiral groove type flat plate magnetic collector applied to electromagnetic pulse axial pressing |
| CN114799170B (en) * | 2022-05-31 | 2024-02-13 | 智磁(重庆)科技有限责任公司 | Spiral groove type flat plate magnetic collector applied to electromagnetic pulse axial pressing |
| CN115121927A (en) * | 2022-06-28 | 2022-09-30 | 福州大学 | Real-time centering and deviation-correcting device and method for pipe for electromagnetic pulse welding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101905375A (en) | Magnetic pulse connecting method and joint structure for thin-wall metal pipelines | |
| US9956642B2 (en) | Copper and steel composite pipe, manufacturing method, application and welded structure body | |
| CN106938362B (en) | A kind of connection method of magnetic pulse formation assistant brazing metal tube | |
| KR102307069B1 (en) | PROCESS FOR PRODUCING a multilayer pipe by EXPANSION AND multilayer pipe produced BY SAID process | |
| CN110293149B (en) | Manufacturing device and manufacturing method of bimetal composite capillary | |
| CN1189259C (en) | Manufacture of bimetallic composite pipe | |
| CN105240640B (en) | A kind of Control rod drive line displacement compensation device, shaping dies and its manufacturing process | |
| WO2014169365A2 (en) | Multilayer pipe | |
| CN201672164U (en) | Metal composite tube with adapter rings | |
| CN201170388Y (en) | Sealing connection structure for variety metal valve | |
| CN105855735B (en) | The welding method of TiAl intermetallic compound | |
| JP2019510634A (en) | Pipe body, pipe and method of processing pipe | |
| CN211449959U (en) | Flange structure for aluminum alloy vacuum system | |
| JP3419994B2 (en) | Joint for liquid phase diffusion joining of steel pipe with high joining strength | |
| CN201420901Y (en) | Stainless composite steel pipe | |
| CN2547988Y (en) | Bimetallic multiple-unit tube | |
| CN200975566Y (en) | Copper aluminum composite adapter connector used for air-conditioner | |
| CN210860122U (en) | Coating reducing steel pipe with customizable length | |
| CN203663822U (en) | Acrylate esterification reactor with titaniumtim and stainless steel combined structure | |
| JPH11290939A (en) | Manufacture of long double metallic tube | |
| RU2410593C2 (en) | Procedure for connecting pipes with internal coating | |
| CN102141179B (en) | Electric hot-melt fastening type pipe fitting | |
| CN217130564U (en) | Tensile welded steel pipe | |
| CN103657561B (en) | The acrylate esterification reactor of a kind of titanium material and stainless steel combining structure | |
| CN202302388U (en) | Spigot and socket magnetic pulse connection structure for dissimilar thin-walled pipes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101208 |