CN108817192A - A kind of cooling electric pulse heat forming technology of aluminum alloy synchronous and device - Google Patents
A kind of cooling electric pulse heat forming technology of aluminum alloy synchronous and device Download PDFInfo
- Publication number
- CN108817192A CN108817192A CN201810378030.4A CN201810378030A CN108817192A CN 108817192 A CN108817192 A CN 108817192A CN 201810378030 A CN201810378030 A CN 201810378030A CN 108817192 A CN108817192 A CN 108817192A
- Authority
- CN
- China
- Prior art keywords
- electric pulse
- plate material
- alloy plate
- brush
- aluminum alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/208—Deep-drawing by heating the blank or deep-drawing associated with heat treatment
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/38—Heating by cathodic discharges
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Punching Or Piercing (AREA)
Abstract
Present invention discloses a kind of cooling electric pulse heat forming technology of aluminum alloy synchronous and device, technique includes preparing heat-treatable strengthened aluminum alloy blank (annealed condition blank), shape cutting, solid solution treatment process, the hot forming of synchronous cooling electric pulse, ageing treatment；Device includes mold and AC power source with cooling water channel, and the positive and negative anodes of AC power source pass through two brushes respectively and contact with alloy plate material, and alloy plate material in stamping process is made to have electric current to pass through always.Present invention application electric pulse heats self, does not need to use Traditional heating devices, as electric furnace etc..Synchronous cooling electric pulse heat forming technology is applied to the manufacture of heat-treatable strengthened aluminum alloy part by the present invention, corresponding ageing treatment is carried out after processing, it can guarantee aluminum alloy part basic property, it may also reach up the accurate forming of test specimen, then shorten the production cycle, reduce manually to strike and repair workload, saves processing cost, be with a wide range of applications.
Description
Technical field
It is cooling more particularly to a kind of aluminum alloy synchronous the invention belongs to alloy plate material heat treatment and process for stamping and forming
Electric pulse heat forming technology and device.
Background technique
Aluminium alloy has had the advantage that compared with other metal materials：Density is small, close to 2.7g/cm3, specific strength, than rigid
Degree, specific modulus are higher, and heating conduction, corrosivity, plastic deformation ability and shock resistance are good, in Aeronautics and Astronautics, ship
The fields such as oceangoing ship, communications and transportation are widely applied.
Aluminium alloy is most important structural material on aircraft, such as fuselage skin, beam, rib, stringer, bulkhead and undercarriage.
Aluminium alloy dosage accounts for 70%~80% on newest civil aircraft, and army's dosage is 40%~60%.In space industry, aluminium alloy
It is still the important knot of the weapon systems such as main structure material and the guided missile of the spacecrafts such as carrier rocket, spaceship, space station
One of structure material.Aluminium alloy reduces by 50% or more construction weight, in marine engineering equipment industry with that can replace steel on ship
It is occupied an important position in high-end metal material.Aluminium alloy is the optimal material of Modern Traffic transport service, apply rail vehicle,
Automobile, panzer occupy sizable ratio on tank.It can be most effectively attained lightweight using aluminium alloy, can be substantially reduced
The self weight of vehicle body reduces the destruction and resource to environment to realize energy-saving and emission-reduction, and the recyclable recycling of aluminum alloy materials
Waste.
Although aluminium alloy has so many advantage, poor in room temperature forming relative to steel, elongation percentage is low, elasticity modulus
The only half or so of steel plate, so aluminium alloy drip molding rebound phenomenon, which compares, wants serious.Only improve aluminium alloy at
Shape performance can just produce more accurately product.Existing aluminium alloy temperature, thermo shaping method, can improve the material in forming process
The forming property of material, but there are some insoluble problems, such as：Crystal grain is grown up after heat treatment, exception can all influence
The mechanical performance of product, the problems such as energy consumption is excessively high, production efficiency is low.Aluminium alloy is divided into two major classes：Deformable aluminium closes
Gold and cast aluminium alloy gold, in practical applications based on deformable aluminium alloy.It is stamping for heat-treatable strengthened aluminum alloy
Part after being heat-treated, carries out ageing treatment, then shaped, and can just meet product uses functional requirement.Test specimen
During being heat-treated, the formation of parts of thinner thickness can generate buckling deformation because of expanding with heat and contract with cold, and cause to shape
The final size of part, form accuracy are severely impacted, and the more complicated part in part will appear cracking phenomena.So visiting
Rope go out it is a kind of not only improve forming property, but also cost can be reduced, and can precisely shape, keep high-intensitive alloy product
Forming technology, for aluminium alloy manufacture industry in production application be very important.
Summary of the invention
The purpose of the present invention is to provide a kind of cooling electric pulse heat forming technology of aluminum alloy synchronous and devices, this technique was both
The service performance of heat-treatable strengthened aluminum alloy product can be improved, and may insure the accurate forming of stamped part, significantly
Buckling deformation after reducing forming reduces manually to strike and repairs workload, shortens the production cycle, saved cost.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of cooling electric pulse heat forming technology of aluminum alloy synchronous, includes the following steps：
Step 1：Alloy plate material is put on the electric pulse assist formation mold with cooling water channel, with electric pulse by aluminium
Alloy plate is heated to solid solubility temperature and keeps the temperature；The electric pulse assist formation device includes punch-pin, cavity plate, AC power source, institute
The positive and negative anodes for stating AC power source are separately connected anode brush, cathode brush, the brush contact point of the anode brush, cathode brush
The alloy plate material is not contacted；Cooling water channel is not passed through cooling water at this time；
Step 2：Stamping and pressure maintaining is carried out to the aluminium alloy after heat preservation, while cooling water channel is passed through cooling water；
Step 3：Ageing treatment is carried out to alloy plate material.
Preferably, in step 1, the alloy plate material heating uses electric pulse heating.
Preferably, in step 1, the alloy plate material is 2XXX system, 6XXX system or 7XXX system.
Preferably, in step 2, the threshold value of the current density of the AC power source is 7.4-11.4A/mm2。
A kind of cooling electric pulse thermal forming device of aluminum alloy synchronous, including lathe, punch-pin, cavity plate, alloy plate material, setting
Blank holder above alloy plate material, lathe connect punch-pin, further include AC power source, the positive and negative anodes difference of the AC power source
Jointed anode brush, cathode brush；It is set on the blank holder there are two through-hole, described two through-holes are located at alloy plate material
The left and right sides, the anode brush, cathode brush, the anode brush, cathode brush are installed respectively in described two through-holes
Brush contact contact alloy plate material respectively；Between the outer wall of the left and right sides of the side wall and blank holder of the through-hole of the left and right sides
Wire channel is offered respectively, respectively to pass through leading between anode brush and AC power source, cathode brush and AC power source
Line；The punch-pin and machine insulation, blank holder and alloy plate material insulate, and cavity plate and alloy plate material insulate；In the cavity plate
Cooling water channel is offered, is passed through cooling water in the cooling water channel.
Beneficial effect：
(1) this technique is heated self using electric pulse, does not need to use Traditional heating devices, as electric furnace etc..It is energy saving, section
The production cycle is shortened in cost-saving.
(2) alloy plate material is quenched, is shaped synchronizing after Overheating Treatment, and opposite traditional handicraft reduces process,
It is greatly reduced the influence during product immigration mold to part performance after quenching simultaneously.And cooling is opened on mold
Aquaporin, so that cooling mold makes plate reach hardening heat indirectly, this method is convenient, effective.
(3) electric pulse assist formation carries out hot forming from macroscopically, can control alloy plate material at a certain temperature, makes
The plastic deformation ability for obtaining alloy plate material is increased substantially, and yield strength, tensile strength are decreased obviously, section shrinkage
Rate and elongation significantly increase, and the degree of processing hardening reduces, and improve surface quality, and relative to temperature, hot forming, which is saved
Energy consumption saves production cost；From Micro-Structure Analysis, dynamic recrystallization, raising group is had occurred in heat-treatable strengthened aluminum alloy
Performance is knitted, restrained effectively rupture.So the process that synchronous cooling is combined with electric pulse assist formation, not only
The forming property of alloy product can be improved, and may insure the machining accuracy of product shaping, reduce the work of manual amendment
Amount, shortens the production cycle, reduces cost, has important practical value.
(4) the advantages of synchronous cooling electric pulse assist formation device：
1) it compares and power supply is directly connected to drip molding both ends (or conducting wire is welded to drip molding both ends), the party with conducting wire
Formula plate is in forming process, and in spite of the fixed plate of blank holder, but pressed part plate can still be moved with forming, Bu Nengbao
Card conducting wire contacts always with plate, is powered well, however the present apparatus can efficiently solve the problem；
2) hole is opened in blank holder corresponding position, and coats insulating layer (such as phenolic moulding powder) in through hole, brush is fixed
Wherein.Open up wire channel between the side wall of through-hole and the lateral wall of blank holder, by wire channel conducting wire by power supply and electricity
Brush is attached.While ensuring non-energized SI semi-insulation, safety in production, ensuring that be will not influence when applying pressure-pad-force
To electric pulse assist formation.
3) cooling water channel is offered in cavity plate makes cooling mold so that plate is reached hardening heat, this method side indirectly
Just, effectively.
Detailed description of the invention
Fig. 1 is the cooling electric pulse heat forming technology flow chart of aluminum alloy synchronous；
Fig. 2 is the cooling electric pulse hot-forming die schematic diagram of aluminum alloy synchronous；
Figure label：1, punch-pin；2, cavity plate；3, alloy plate material；4, blank holder；5, anode brush；6, cathode brush；7,
AC power source；8, cooling water channel；9, wire channel.
Specific embodiment
Further explanation is done to the present invention with reference to the accompanying drawing.
As shown in Fig. 2, the cooling electric pulse heat forming technology of aluminum alloy synchronous provided by the invention includes the following steps：
(1) heat-treatable strengthened aluminum alloy blank is prepared：Using punching, wire cutting, Water Cutting or laser cutting method
Heat treatable aluminium alloy is cut into the blank product of required shape, and product edge is modified；
(2) it is heat-treated and keeps the temperature：Alloy plate material is put on the electric pulse assist formation mold with cooling water channel, is used
Alloy plate material is heated to solid solubility temperature and keeps the temperature 20-60 minutes by electric pulse, at this time the obstructed cooling water of cooling water channel.Initial
When heating, heat preservation, aluminium alloy the second phase atom incorporates aluminum substrate, supersaturated solid solution is formed, to obtain Single Phase Metal tissue；
In later period insulating process, alloying element is gradually spread, and is uniformly spread in aluminum substrate, and it is solid to form uniform high temperature supersaturation
Solution.
(3) synchronous cooling electric pulse hot forming：To after heat preservation aluminium alloy carry out punching press simultaneously carry out electric pulse auxiliary at
Shape, pressure maintaining after forming, while cooling water is passed through into cooling water channel, cooling die cools down plate indirectly, is equivalent at quenching
Reason；
(4) ageing treatment：The method that natrual ageing or artificial aging can be used, so that the alloy in supersaturated solid solution
Atom is precipitated under room temperature state after solution treatment, generates the tiny hardening constituent being evenly distributed on matrix.
Wherein aluminium alloy described in step (1) is 2XXX system, 6XXX system or 7XXX system；The threshold value of current density is in 7.4-
11.4A/mm2Between；The time of pressure maintaining is 5min-10min.
The cooling electric pulse heat forming technology method of aluminum alloy synchronous provided by the invention is a kind of by heat-treatable strengthened aluminium
Alloy is being connected with cooling water, is being formed on the mold for being connected with electric pulse auxiliary device after electric pulse heating solution treatment,
Pressure maintaining for a period of time, carries out a kind of new process manufacturing process of artificial/natrual ageing after forming.The technique will be quenched and at
It is carried out just as step, and applies electric pulse assist formation.
Electric pulse assist formation is mainly pure electro plastic effect and joule heating effect synergy as a result, can be improved can
The plasticity of heat treatment reinforcement aluminium alloy.By stretch for, electric pulse assist drawing can at a lower temperature can drawing, pass through
Dynamic recrystallization can occur at a lower temperature for microstructure observation, heat-treatable strengthened aluminum alloy, efficiently solve rupture
Problem.For bending forming, electric pulse assist formation can reduce bending force, reduce springback capacity.Relative to room temperature tensile, electric arteries and veins
Aluminium alloy test specimen yield strength, tensile strength sharp fall after rushing assist formation, and the contraction percentage of area, elongation obviously increase
Greatly, the resistance of deformation of heat-treatable strengthened aluminum alloy reduces, and plasticity has obvious raising.
To obtain and keeping the optimal shaped state of forming said alloy, the time of pressure maintaining is 5min-10min.Product into
During row timeliness, by test mark note on product.It is mutually coordinated compact between each process.
Heat-treatable strengthened aluminum alloy synchronous cooling electric pulse heat forming technology provided by the invention, be by 2XXX system,
6XXX system, 7XXX line aluminium alloy are heated to solid solubility temperature, and keep the temperature a period of time.It synchronizes and is quenched, shaped, and the electric arteries and veins of application
Assist formation is rushed, after forming between one section of pressure maintaining.Alloy product forming property by this process is good, forming essence
Degree is high.
As shown in Fig. 2, the cooling electric pulse hot forming of aluminum alloy synchronous provided by the invention include lathe, punch-pin 1, cavity plate 2,
Alloy plate material 3, the blank holder 4 for being set to the top of alloy plate material 3, set that there are two through-holes on the blank holder 4, described two
Through-hole is located at the left and right sides of alloy plate material 3, installs anode brush 5 and cathode brush 6 respectively in described two through-holes,
The brush contact of anode brush 5 and cathode brush 6 contacts the surface of alloy plate material 3 respectively, the other end respectively with AC power source 7
Positive and negative anodes connection.Cooling water channel 8 is opened up in cavity plate 2, to alloy plate material carry out electric pulse it is hot formed simultaneously, to cooling
It is passed through cooling water in water channel 8, that is, synchronizes and carries out quenching and electric pulse assist formation.Cooling water channel 8 is closely located to aluminium alloy plate
Material 3, shape is similar to the shape of 2 upper surface of cavity plate.
Electric pulse assist formation should guarantee that alloy plate material 3 is powered, under making complete equipment in a safe condition again
It is produced, it is made only to lead to alternating current to alloy plate material 3, so for punch-pin 1 and lathe, blank holder 4 and aluminium alloy plate
Material 3, cavity plate 2 and alloy plate material 3 carry out insulation processing.
Punch-pin 1 and machine insulation：Add one layer of bakelite in the part of punch-pin 1 and lathe solid punch 1, the bolt of connection into
Row insulation processing (can coat one layer of phenolic moulding powder) applies insulated bolt.
Blank holder 4 and alloy plate material 3 insulate：Film is put above at the 3 both ends flanging of alloy plate material to insulate.
Cavity plate 2 and alloy plate material 3 insulate：Film is put above at the 3 both ends flanging of alloy plate material to insulate.
The specially treated of blank holder 4：Symmetrical two through-holes are opened at the suitable position of blank holder 4, around coat insulation material
Material, and brush is installed in through hole.Wire channel 9 is opened up in the lateral wall of side wall to the blank holder 4 of through-hole, and in wire channel
8 side wall applies insulating materials.AC power source 7 and brush can be connected by wire channel 8 with conducting wire, ensure non-energized part
While insulation, safety in production, ensuring that and apply pressure-pad-force, forming, in pressure maintaining period, electrical pulse device does not receive influence,
So that synchronous cooling electric pulse safely, can be carried out normally.
The effect of brush：So that two brush contacts are contacted with alloy plate material 3 always, the other end difference of two brushes
It is connect with the positive and negative anodes of AC power source 7.In to 3 electrified regulation of alloy plate material, forming process, alloy plate material is remained
3 have electric current to pass through.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of cooling electric pulse heat forming technology of aluminum alloy synchronous, which is characterized in that include the following steps：
Step 1：Alloy plate material is put on the electric pulse assist formation mold with cooling water channel, with electric pulse by aluminium alloy
Plate is heated to solid solubility temperature and keeps the temperature；The electric pulse assist formation device includes punch-pin, cavity plate, AC power source, the friendship
The positive and negative anodes in galvanic electricity source are separately connected anode brush, cathode brush, the anode brush, cathode brush brush contact connect respectively
Touch the alloy plate material；Cooling water channel is not passed through cooling water at this time；
Step 2：Stamping and pressure maintaining is carried out to the aluminium alloy after heat preservation, while cooling water channel is passed through cooling water；
Step 3：Ageing treatment is carried out to alloy plate material.
2. the cooling electric pulse heat forming technology of a kind of aluminum alloy synchronous according to claim 1, which is characterized in that step 1
In, the alloy plate material is 2XXX system, 6XXX system or 7XXX system.
3. the cooling electric pulse heat forming technology of a kind of aluminum alloy synchronous according to claim 1, which is characterized in that step 1
In, the threshold value of the current density of the AC power source is 7.4-11.4A/mm2。
4. a kind of cooling electric pulse thermal forming device of aluminum alloy synchronous, including lathe, punch-pin, cavity plate, alloy plate material, it is set to
Blank holder above alloy plate material, lathe connect punch-pin, which is characterized in that and it further include AC power source, the AC power source
Positive and negative anodes are separately connected anode brush, cathode brush；It is set on the blank holder there are two through-hole, described two through-holes are located at
The left and right sides of alloy plate material installs the anode brush, cathode brush, the anode electricity in described two through-holes respectively
It brushes, the brush contact of cathode brush contacts alloy plate material respectively；The side wall of the through-hole of the left and right sides and the left and right two of blank holder
Wire channel is offered between the outer wall of side respectively, respectively by anode brush and AC power source, cathode brush and to exchange
Conducting wire between power supply；The punch-pin and machine insulation, blank holder and alloy plate material insulate, and cavity plate is exhausted with alloy plate material
Edge；Cooling water channel is offered in the cavity plate, is passed through cooling water in the cooling water channel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378030.4A CN108817192A (en) | 2018-04-25 | 2018-04-25 | A kind of cooling electric pulse heat forming technology of aluminum alloy synchronous and device |
| PCT/CN2018/101504 WO2019205363A1 (en) | 2018-04-25 | 2018-08-21 | Aluminum alloy synchronous cooling and electrical pulse heat forming process and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378030.4A CN108817192A (en) | 2018-04-25 | 2018-04-25 | A kind of cooling electric pulse heat forming technology of aluminum alloy synchronous and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108817192A true CN108817192A (en) | 2018-11-16 |
Family
ID=64155005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810378030.4A Pending CN108817192A (en) | 2018-04-25 | 2018-04-25 | A kind of cooling electric pulse heat forming technology of aluminum alloy synchronous and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108817192A (en) |
| WO (1) | WO2019205363A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680230A (en) * | 2019-02-26 | 2019-04-26 | 武汉理工大学 | A kind of quick solid gas coupling technique of aluminium alloy element electromagnetic pulse |
| CN110918744A (en) * | 2019-12-19 | 2020-03-27 | 南京航空航天大学 | Hot forming process and device for synchronously and quickly cooling aluminum alloy high-rib integral wall plate |
| CN111360145A (en) * | 2020-02-17 | 2020-07-03 | 中南大学 | Electric pulse auxiliary micro-stretching process for superfine crystal metal foil |
| CN112051144A (en) * | 2020-08-13 | 2020-12-08 | 北京航空航天大学 | Pure electro-plasticity auxiliary thermal forming process for hard-material-state high-strength aluminum alloy |
| CN112058985A (en) * | 2020-07-28 | 2020-12-11 | 深圳新顿科技有限公司 | Light alloy plate stamping heat treatment process and stamping device |
| CN112246944A (en) * | 2020-09-29 | 2021-01-22 | 上海交通大学 | Electric pulse-assisted hot stamping forming method and device for titanium or titanium alloy |
| CN114951446A (en) * | 2022-05-27 | 2022-08-30 | 武汉理工大学 | Method for regulating and controlling electromagnetic impact composite forming of titanium alloy blade |
| CN114985571A (en) * | 2022-06-02 | 2022-09-02 | 太原理工大学 | Process for improving drawing forming performance of titanium/steel composite material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101623729A (en) * | 2009-07-21 | 2010-01-13 | 清华大学深圳研究生院 | High-efficiency electroplastic punch molding device |
| CN102688944A (en) * | 2012-06-15 | 2012-09-26 | 江苏大学 | Adjustable heating and cooling integrated hot forming die |
| CN101920302B (en) * | 2010-09-07 | 2013-02-06 | 上海交通大学 | Electroplastic self-piercing riveting device |
| CN107297407A (en) * | 2017-04-28 | 2017-10-27 | 上海大学 | Aluminum alloy plate materials die quenching composite forming method and its integrated apparatus |
| CN208373944U (en) * | 2018-04-25 | 2019-01-15 | 南京航空航天大学 | A kind of cooling electric pulse thermal forming device of aluminum alloy synchronous |
-
2018
- 2018-04-25 CN CN201810378030.4A patent/CN108817192A/en active Pending
- 2018-08-21 WO PCT/CN2018/101504 patent/WO2019205363A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101623729A (en) * | 2009-07-21 | 2010-01-13 | 清华大学深圳研究生院 | High-efficiency electroplastic punch molding device |
| CN101920302B (en) * | 2010-09-07 | 2013-02-06 | 上海交通大学 | Electroplastic self-piercing riveting device |
| CN102688944A (en) * | 2012-06-15 | 2012-09-26 | 江苏大学 | Adjustable heating and cooling integrated hot forming die |
| CN107297407A (en) * | 2017-04-28 | 2017-10-27 | 上海大学 | Aluminum alloy plate materials die quenching composite forming method and its integrated apparatus |
| CN208373944U (en) * | 2018-04-25 | 2019-01-15 | 南京航空航天大学 | A kind of cooling electric pulse thermal forming device of aluminum alloy synchronous |
Non-Patent Citations (2)
| Title |
|---|
| 上海市机械制造工艺研究所有限公司: "《金相分析原理及技术》", 31 August 2013, 上海科学技术文献出版社 * |
| 中国机械工程学会锻压学会等译: "《世界塑性加工最新技术译文集》", 31 December 1987, 机械工业出版社 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680230A (en) * | 2019-02-26 | 2019-04-26 | 武汉理工大学 | A kind of quick solid gas coupling technique of aluminium alloy element electromagnetic pulse |
| CN110918744A (en) * | 2019-12-19 | 2020-03-27 | 南京航空航天大学 | Hot forming process and device for synchronously and quickly cooling aluminum alloy high-rib integral wall plate |
| CN111360145A (en) * | 2020-02-17 | 2020-07-03 | 中南大学 | Electric pulse auxiliary micro-stretching process for superfine crystal metal foil |
| CN112058985A (en) * | 2020-07-28 | 2020-12-11 | 深圳新顿科技有限公司 | Light alloy plate stamping heat treatment process and stamping device |
| CN112051144A (en) * | 2020-08-13 | 2020-12-08 | 北京航空航天大学 | Pure electro-plasticity auxiliary thermal forming process for hard-material-state high-strength aluminum alloy |
| CN112246944A (en) * | 2020-09-29 | 2021-01-22 | 上海交通大学 | Electric pulse-assisted hot stamping forming method and device for titanium or titanium alloy |
| CN114951446A (en) * | 2022-05-27 | 2022-08-30 | 武汉理工大学 | Method for regulating and controlling electromagnetic impact composite forming of titanium alloy blade |
| CN114951446B (en) * | 2022-05-27 | 2023-03-14 | 武汉理工大学 | Method for regulating and controlling electromagnetic impact composite forming of titanium alloy blade |
| CN114985571A (en) * | 2022-06-02 | 2022-09-02 | 太原理工大学 | Process for improving drawing forming performance of titanium/steel composite material |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019205363A1 (en) | 2019-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108817192A (en) | A kind of cooling electric pulse heat forming technology of aluminum alloy synchronous and device | |
| CN208275998U (en) | A kind of aluminium alloy electric pulse assist formation device | |
| CN108380722A (en) | A kind of hot press-formed method of lightweight car body of aluminum alloy component | |
| CN113020772B (en) | Low-temperature rapid diffusion welding method for titanium alloy | |
| CA2720808C (en) | A method of forming a component of complex shape from sheet material | |
| CN208373944U (en) | A kind of cooling electric pulse thermal forming device of aluminum alloy synchronous | |
| Li et al. | Pulse current-assisted hot-forming of light metal alloy | |
| CN112246944B (en) | Electric pulse-assisted hot stamping forming method and device for titanium or titanium alloy | |
| KR20200086730A (en) | Manufacturing method of resistance spot welding joint | |
| CN110369600A (en) | A kind of electric current loading method when pulse current auxiliary fine-edge blanking processing | |
| US12116658B2 (en) | Hot forming method and device for large-size aircraft thin-walled part of high-strength aluminum alloy | |
| CN109207888A (en) | A kind of efficient creep age forming method of Al-Zn-Mg-Cu aluminum alloy plate non-isothermal | |
| CN102560302A (en) | Combined processing method for preparing anti-corrosion AZ91D magnesium alloy with obdurability | |
| CN111434443A (en) | Method and device for manufacturing automobile structural part | |
| KR20150078769A (en) | Press die for electrically assisted manufacturing | |
| CN109487184A (en) | A kind of artificial aging state high strength alumin ium alloy recurrence forming synchronous process | |
| CN108704967A (en) | A kind of aluminium alloy electric pulse newly quenching formed technique and device | |
| CN104220606A (en) | Metal processing method and metal article processed thereby | |
| CN107327690A (en) | A kind of controllable magnesium alloy tubule of wall thickness and preparation method thereof | |
| CN112267082A (en) | Alloy plate pulse current regression creep age forming method | |
| CN107460416B (en) | Agitating friction welds tailor welded solid solution aging integral forming method | |
| CN101368286B (en) | Large area light alloy micro-arc oxidization surface processing method and apparatus | |
| CN117182473A (en) | Method for manufacturing intermetallic compound thin-wall part | |
| CN105018806A (en) | Method for manufacturing plate for electric automobile body | |
| CN112058984B (en) | Light alloy plate punch forming process and punching device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |