CN104550396B - Electro plasticity flow forming building mortion and method - Google Patents
Electro plasticity flow forming building mortion and method Download PDFInfo
- Publication number
- CN104550396B CN104550396B CN201410815481.1A CN201410815481A CN104550396B CN 104550396 B CN104550396 B CN 104550396B CN 201410815481 A CN201410815481 A CN 201410815481A CN 104550396 B CN104550396 B CN 104550396B
- Authority
- CN
- China
- Prior art keywords
- electrode
- workpiece
- core
- spinning
- main shaft
- 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.)
- Active
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
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of electro plasticity flow forming building mortion and method, wherein device includes：Spinning machine, the pulse power, first electrode, second electrode, core, workpiece and spinning roller；Core is arranged on the main shaft of spinning machine, and core is coaxially connected with main shaft, and workpiece is arranged on core, with being bonded on the outside of core on the inside of workpiece；The location contacts that spinning roller deforms with workpiece；First electrode, second electrode contact in the both sides at the position that workpiece deforms respectively；Second electrode, first electrode connect pulse power positive and negative polarities respectively；The pulse current of pulse power output passes sequentially through second electrode, first electrode and workpiece and forms loop；Main shaft drives core and workpiece to do gyration, and first electrode, second electrode are synchronous with spinning roller to do feed motion to major axes orientation.The present invention can provide specific solution for the flow forming shaping of the difficult-to-deformation materials such as titanium alloy, magnesium alloy, high temperature alloy, intermetallic compound.
Description
Technical field
The present invention relates to spin forming technique field, more particularly to electro plasticity flow forming building mortion and method.
Background technology
Mould pressing is a kind of modern age emerging advanced plastic forming technology, combines forging, extruding, stretching, bending, ring
Roll, the process characteristic such as transverse rolling and rolling, be few advanced manufacturing technology without machining of figuration manufacture hollow revolving body part
One of.Mould pressing has that deformation condition is good, and product properties is high, and dimensional accuracy is high, and stock utilization is high, applied widely etc. excellent
Point.Mould pressing can be divided into flow forming and shear spinning, and wherein flow forming is prepare seamless cylindrical member and pipe fitting important
One of manufacturing process.
With the fast development of aerospace industry, the performance of the product such as aircraft, guided missile, aerospace craft improves constantly,
The difficulty of processing of used new material is increasing.It is light to titanium alloy, magnesium alloy, high temperature alloy, Intermatallic Ti-Al compound etc.
The demand of matter, high-strength, exotic material cylindrical member and pipe fitting constantly increases.Such material major part temperature-room type plasticity deformability
Poor, resistance of deformation is big, and processing hardening is violent, uses hot spinning forming technology mostly at present.Hot spinning shaping is generally using spray
Rifle flame mode of heating, the shortcomings of environmental pollution is big, temperature is difficult to control, and temperature homogeneity is poor be present, cause hot spinning to be given birth to
The defects of labor intensity is big, and product is easily cracking, burning is produced, percent defective is high, low production efficiency.
In recent years, it is more and more extensive in the application of Plastic working " using the electro plastic effect of pulse current, it is electroluminescent
Plastic effect is referred to apply high energy pulse electric current to the metal being losing shape, expanded using the instantaneous high energy promotion atom of pulse current
Dissipate, dislocation motion, so as to reduce the resistance of deformation of material, improve the plastic deformation ability of material.Research shows that electro plasticity stretches
During TC4 titanium alloy wire materials, in 240A/mm2Pulse current effect under, pulling capacity can reduce by 24%.Electro plasticity processing not only may be used
Effectively to reduce material resistance of deformation, material plasticity deformability is improved, and due to the joule heating effect of electric current, pulse current
It can also play a part of to material high-efficiency heating.Electro plasticity processes the shaping for the difficult-to-deformation material that is particularly suitable for use in.Electro plasticity adds
Work has been applied successfully in fields such as rolling, drawings, but also without specific solution in terms of flow forming shaping.
The content of the invention
The embodiment of the present invention provides a kind of electro plasticity flow forming building mortion, to be applied in terms of flow forming shaping
Electro plasticity technology, the device include：
Spinning machine, the pulse power, first electrode 3, second electrode 5, core 6, workpiece 2 and spinning roller 4；
Core 6 is arranged on the main shaft 1 of spinning machine, and core 6 and main shaft 1 are coaxially connected, and workpiece 2 is arranged on core 6, work
The inner side of part 2 is bonded with the outside of core 6；
The location contacts that spinning roller 4 deforms with workpiece 2；
First electrode 3, second electrode 5 contact in the both sides at the position that workpiece 2 deforms respectively；Second electrode 5, first
Electrode 3 connects pulse power positive and negative polarities respectively；
The pulse current of pulse power output passes sequentially through second electrode 5, first electrode 3 and workpiece 2 and forms loop, is revolving
The position that workpiece (2) deforms is passed through during pressing formation；
Main shaft 1 drives core 6 and workpiece 2 to do gyration, and first electrode 3, second electrode 5 are synchronous with spinning roller 4 to main shaft 1
Do feed motion in direction；
The position that first electrode 3, second electrode 5 contact with workpiece 2 is respectively in the left and right sides of spinning roller 4；
Or, first electrode 3 is directly connected to spinning roller 4, second electrode 5 connects workpiece 2；
Or, the position that first electrode 3, second electrode 5 contact with workpiece 2 is respectively in the both sides up and down of spinning roller 4.
In one embodiment, spinning machine is horizontal or vertical.
In one embodiment, the pulse current peak of pulse power output is not less than 100A.
In one embodiment, first electrode 3, second electrode 5 and the sliding contact of workpiece 2 or it is in rolling contact.
In one embodiment, spring top clamping device is installed in first electrode 3 and/or second electrode 5.
In one embodiment, first electrode 3 and second electrode 5 are arranged on spinning roller 4 by support, and axle is done with spinning roller 4
To feed motion.
In one embodiment, the junction of core 6 and main shaft 1 is provided with insulating materials；The junction of spinning roller 4 and slide unit
Insulating materials is installed；First electrode 3 and second electrode 5 are provided with insulating materials with support fixed position.
The embodiment of the present invention also provides a kind of above-mentioned electro plasticity flow forming building mortion of application and carries out electro plasticity flowing rotation
The method of pressing formation, to apply electro plasticity technology in terms of flow forming shaping, this method includes：
Core 6 is arranged on main shaft 1, workpiece 2 is arranged on core 6, regulation first electrode 3, second electrode 5 and work
Part 2 contacts；
The technological parameter of the rotating speed of main shaft 1, spinning machine and the pulse power is set；
Starting main shaft 1 drives workpiece 2 to rotate, and opens the pulse power and starts to discharge to workpiece 2, adjusts the spinning roller axle of spinning machine
Start spinning to feeding；
After spinning terminates, stop spinning roller axial feed, close the pulse power, exit spinning roller 4；
Workpiece 2 is unloaded by device for discharging, main shaft 1 is closed and rotates, close spinning machine.
In one embodiment, the technological parameter of spinning machine and the pulse power is set, including：The spinning roller feeding of spinning machine is set
Speed and reduction, the pulse current frequency and discharge voltage of the pulse power.
The electro plasticity flow forming building mortion and method of the embodiment of the present invention, electricity is applied in terms of flow forming shaping
Plastic technology, can be the flow forming shaping of the difficult-to-deformation materials such as titanium alloy, magnesium alloy, high temperature alloy, intermetallic compound
Specific solution is provided, expands the application of such material revolving parts.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.In the accompanying drawings：
Fig. 1 is the signal of electro plasticity flow forming building mortion (load mode one of pulse current) in the embodiment of the present invention
Figure；
Fig. 2 is the signal of electro plasticity flow forming building mortion (load mode two of pulse current) in the embodiment of the present invention
Figure；
Fig. 3 is the schematic diagram of the load mode three of pulse current in the embodiment of the present invention.
Embodiment
For the purpose, technical scheme and advantage of the embodiment of the present invention are more clearly understood, below in conjunction with the accompanying drawings to this hair
Bright embodiment is described in further details.Here, the schematic description and description of the present invention is used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
In order to provide the specific solution using electro plasticity technology in terms of flow forming shaping, titanium alloy, magnesium are closed
The difficult-to-deformation materials such as gold, high temperature alloy, intermetallic compound carry out flow forming shaping, expand such material revolving parts
Application, the embodiment of the present invention provide a kind of electro plasticity flow forming building mortion.
The electro plasticity flow forming building mortion of the embodiment of the present invention make use of electro plastic effect and the Jiao of pulse current
Have burning ears effect, be a kind of Novel electric Plastic Flow spin forming technique.Specifically, it is in spin-forming procedure, to spinning work
The position that part is deforming is passed through pulse current, that is, is passed through pulse current to the position that spinning roller contacts with workpiece.
Fig. 1 is the structural representation of electro plasticity flow forming building mortion in the embodiment of the present invention, as shown in figure 1, the electricity
Plastic Flow rotary pressing moulding device can include：
Spinning machine, the pulse power, first electrode 3, second electrode 5, core 6, workpiece 2 and spinning roller 4；
Core 6 is arranged on the main shaft 1 of spinning machine, and core 6 and main shaft 1 are coaxially connected, and workpiece 2 is arranged on core 6, work
The inner side of part 2 is bonded with the outside of core 6；
The location contacts that spinning roller 4 deforms with workpiece 2；
First electrode 3, second electrode 5 contact in the both sides at the position that workpiece 2 deforms respectively；Second electrode 5, first
Electrode 3 connects pulse power positive and negative polarities respectively；
The pulse current of pulse power output passes sequentially through second electrode 5, first electrode 3 and workpiece 2 and forms loop；
Main shaft 1 drives core 6 and workpiece 2 to do gyration, and first electrode 3, second electrode 5 are synchronous with spinning roller 4 to main shaft 1
Do feed motion in direction.
As shown in Figure 1, the electro plasticity flow forming building mortion of the embodiment of the present invention mainly includes spinning machine, pulse electricity
Source, first electrode 3, second electrode 5, related die frock (core 6, workpiece 2) and the grade of spinning roller 4 part.
In embodiment, spinning machine can be horizontal or vertical.The pulse power is the power-supply device that can provide pulse current,
In embodiment, pulse current peak can be set to be not less than 100A.
The mode for being passed through pulse current is to contact at the two poles of the earth of the pulse power by first electrode 3, second electrode 5 respectively
The both sides at the position that workpiece 2 deforms, to ensure that pulse current flows through the position that workpiece 2 deforms.Pulse current adds
Load mode can have a variety of, such as mode one be shown in Fig. 1, in mode one, first electrode 3, second electrode 5 and workpiece 2
The sense of current (dotted arrow) in the left and right sides of spinning roller 4, workpiece 2 is axial direction respectively for the position of contact.The side of showing in Fig. 2
Formula two, in mode two, first electrode 3 is directly connected to spinning roller 4, and second electrode 5 connects workpiece 2, and the sense of current is (empty in workpiece 2
Line arrow) for axially.Mode three is shown in Fig. 3, in mode three, position that first electrode 3, second electrode 5 contact with workpiece 2
Put respectively that the sense of current (dotted arrow) is circumferential in the both sides up and down of spinning roller 4, workpiece 2.
In embodiment, the way of contact of first electrode 3, second electrode 5 and workpiece 2 can be that sliding contact or rolling connect
Touch.
In embodiment, spring top clamping device can be installed in first electrode 3 and/or second electrode 5, ensure electrode and workpiece
Good contact.First electrode 3 and second electrode 5 can be arranged on spinning roller 4 by support, and axial feed fortune is done with spinning roller 4
It is dynamic.
In order to avoid electric leakage or other security incidents occur, part can be driven to enter core 6, rotary wheel base and three, electrode
Row is dielectrically separated from processing, can be specifically：Isolated in core 6 with the junction installation insulating materials of main shaft 1；In spinning roller 4
Seat is isolated with the junction installation insulating materials of slide unit；Installed in first electrode 3 and second electrode 5 with support fixed position
Insulating materials is isolated.
The embodiment of the present invention also provides a kind of above-mentioned electro plasticity flow forming building mortion of application and carries out electro plasticity flowing rotation
The method of pressing formation,
Step 1: core 6 is arranged on main shaft 1, workpiece 2 is arranged on core 6, the electricity of regulation first electrode 3, second
Pole 5 contacts with workpiece 2；This step is installation mold, blank and electrode etc., core 6 can be passed through into the side such as bolt in embodiment
Formula is fixedly mounted on main shaft 1, and tubular blank (workpiece 2) is arranged on core 6.Adjust first electrode 3, second electrode 5 (on
It is second electrode 5 to state mode two) and the contact position of workpiece 2 and thrust, ensure good contact.
Step 2: the rotating speed of main shaft 1 is set, the technological parameter of spinning machine and the pulse power；In embodiment, set spinning machine and
The technological parameter of the pulse power, it can include：The spinning roller feed speed and reduction of spinning machine, the pulse electricity of the pulse power are set
Flow frequency and discharge voltage.
Drive workpiece 2 to rotate Step 3: starting main shaft 1, open the pulse power and start to discharge to workpiece 2, adjust spinning machine
Spinning roller axial feed start spinning.
Step 4: after spinning terminates, stop spinning roller axial feed, close the pulse power, exit spinning roller 4.
Step 5: unloading workpiece 2 by device for discharging, close main shaft 1 and rotate, close spinning machine.
The electro plasticity flow forming building mortion of the explanation that the gives some instances below embodiment of the present invention and specifically should for method
With：
Embodiment 1：
Test material：TC4 titanium alloys.
Blank dimension：Internal diameter Φ 100mm, wall thickness 5mm, length 200mm.
Spinning mode：Single-wheel derotation, cold rotation.
Rotary pressure process parameter：Speed of mainshaft 200n/min, feed speed 0.8mm/ turn, reduction 20%.
Pulse current loads according to mode two, i.e., circumferential current load mode.
Pulse current parameter：Peak point current 3000A, frequency 150Hz.
Specific implementation step is as follows：
Step 1: core 6 is bolted on main shaft 1, ensure core 6 and master by way of installing insulation board additional
Axle 1 insulate.
Step 2: TC4 titanium alloys blank 2 is arranged on core 6, and it is fixedly connected with the outer surface of core 6.
Step 3: two electrodes of the pulse power are installed in the way of Fig. 2.
Step 4: opening spinning machine, spinning roller 4 is adjusted, spinning roller 4 is contacted with blank 2, second electrode 5 contacts with workpiece 2.
Step 5: pulse power parameters are set, including discharge power supply and pulse current frequency.
Step 6: setting the suitable speed of mainshaft and feed speed, unbalanced pulse power supply, start spinning.
Step 7: after multi-pass spinning, Φ 100mm × 500mm thin-wall pipe is finally given.
Step 8: after spinning terminates, the pulse power is closed, closes spinning machine.
Embodiment 2：
Test material：GH4169 high temperature alloys.
Blank dimension：Internal diameter Φ 100mm, wall thickness 4mm, length 300mm.
Spinning mode：Single-wheel derotation, cold rotation.
Rotary pressure process parameter：Speed of mainshaft 240n/min, feed speed 0.5mm/ turn, reduction 15%.
Pulse current loads according to mode two, i.e., circumferential current load mode.
Pulse current parameter：Peak point current 5000A, frequency 200Hz.
Specific implementation step is same as Example 1.The finally qualified pipe fittings of obtained Φ 100mm × 500mm.
Embodiment 3：
Test material：Ti2AlNb intermetallic compounds；
Blank dimension：Internal diameter Φ 80mm, wall thickness 5mm, length 200mm.
Spinning mode：Single-wheel derotation, cold rotation.
Rotary pressure process parameter：Speed of mainshaft 300n/min, feed speed 0.5mm/ turn, reduction 10%.
Pulse current loads according to mode two, i.e., circumferential current load mode.
Pulse current parameter：Peak point current 5500A, frequency 200Hz.
Specific implementation step is same as Example 1.The finally qualified pipe fittings of obtained Φ 80mm × 300mm.
In summary, the electro plasticity flow forming building mortion and method of the embodiment of the present invention, in flow forming shaping side
Face applies electro plasticity technology, can be the stream of the difficult-to-deformation materials such as titanium alloy, magnesium alloy, high temperature alloy, intermetallic compound
Dynamic mould pressing provides specific solution, expands the application of such material revolving parts.
The embodiment of the present invention proposes to be spun into using the new flow of the electroluminescent plastic effect of pulse current and joule heating effect
Shape technology, the technology can improve material plasticity, reduce material resistance of deformation, reduce spinning machine equipment tonnage, improve production efficiency,
It is significant for solving the problems in current difficult-to-deformation material mould pressing.The embodiment of the present invention is particularly suitable for use in
The difficult-to-deformation materials such as titanium alloy, magnesium alloy, high temperature alloy, metalwork compound.The embodiment of the present invention is applied to cold spinning and heat
Spinning, suitable for single-wheel spinning and more wheel spinning, suitable for dextrorotation and derotation, suitable for vertical spinning and Horizontal spinning.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further in detail
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, the guarantor being not intended to limit the present invention
Scope is protected, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., should be included in this
Within the protection domain of invention.
Claims (8)
- A kind of 1. electro plasticity flow forming building mortion, it is characterised in that including：Spinning machine, the pulse power, first electrode (3), second electrode (5), core (6), workpiece (2) and spinning roller (4)；Core (6) is arranged on the main shaft (1) of spinning machine, and core (6) and main shaft (1) are coaxially connected, and workpiece (2) is arranged on core (6) on, with being bonded on the outside of core (6) on the inside of workpiece (2)；The location contacts that spinning roller (4) deforms with workpiece (2)；First electrode (3), second electrode (5) contact in the both sides at the position that workpiece (2) deforms respectively；Second electrode (5), First electrode (3) connects pulse power positive and negative polarities respectively；The pulse current of pulse power output passes sequentially through second electrode (5), first electrode (3) and workpiece (2) and forms loop, The position that workpiece (2) deforms is passed through in spin-forming procedure；Main shaft (1) drives core (6) and workpiece (2) does gyration, and first electrode (3), second electrode (5) and spinning roller (4) are same Walk to main shaft (1) direction and do feed motion；The position that first electrode (3), second electrode (5) contact with workpiece (2) is respectively in the left and right sides of spinning roller (4)；Or, first electrode (3) is directly connected to spinning roller (4), second electrode (5) connection workpiece (2)；Or, the position that first electrode (3), second electrode (5) contact with workpiece (2) is respectively in the both sides up and down of spinning roller (4)；The pulse current peak of pulse power output is 3000A, pulse current frequency 150Hz；Or the arteries and veins of pulse power output It is 5000A, pulse current frequency 200Hz to rush current peak；Or the pulse current peak of pulse power output is 5500A, arteries and veins It is 200Hz to rush power frequency.
- 2. device as claimed in claim 1, it is characterised in that spinning machine is horizontal or vertical.
- 3. device as claimed in claim 1, it is characterised in that first electrode (3), second electrode (5) are slided with workpiece (2) and connect Touch or be in rolling contact.
- 4. device as claimed in claim 1, it is characterised in that be provided with bullet in first electrode (3) and/or second electrode (5) Spring holding device.
- 5. device as claimed in claim 1, it is characterised in that first electrode (3) and second electrode (5) are arranged on by support On spinning roller (4) seat, axial feed motion is done with spinning roller (4).
- 6. device as claimed in claim 5, it is characterised in that the junction of core (6) and main shaft (1) is provided with insulation material Material；The junction of spinning roller (4) seat and slide unit is provided with insulating materials；First electrode (3) and second electrode (5) and support fixed bit Put and insulating materials is installed.
- 7. one kind using any electro plasticity flow forming building mortion of claim 1 to 6 carry out electro plasticity flow forming into The method of shape, it is characterised in that including：Core (6) is arranged on main shaft (1), workpiece (2) is arranged on core (6), regulation first electrode (3), the second electricity Pole (5) contacts with workpiece (2)；The technological parameter of main shaft (1) rotating speed, spinning machine and the pulse power is set；Start main shaft (1) and drive workpiece (2) rotation, open the pulse power and start to discharge to workpiece (2), adjust the spinning roller of spinning machine Axial feed starts spinning；After spinning terminates, stop spinning roller axial feed, close the pulse power, exit spinning roller (4)；Workpiece (2) is unloaded by device for discharging, main shaft (1) is closed and rotates, close spinning machine.
- 8. method as claimed in claim 7, it is characterised in that the technological parameter of spinning machine and the pulse power is set, including：If Put the spinning roller feed speed and reduction of spinning machine, the pulse current frequency and discharge voltage of the pulse power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410815481.1A CN104550396B (en) | 2014-12-24 | 2014-12-24 | Electro plasticity flow forming building mortion and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410815481.1A CN104550396B (en) | 2014-12-24 | 2014-12-24 | Electro plasticity flow forming building mortion and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104550396A CN104550396A (en) | 2015-04-29 |
| CN104550396B true CN104550396B (en) | 2017-12-01 |
Family
ID=53068070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410815481.1A Active CN104550396B (en) | 2014-12-24 | 2014-12-24 | Electro plasticity flow forming building mortion and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104550396B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106064193B (en) * | 2016-07-01 | 2018-10-26 | 华侨大学 | A kind of blanking method of ultra-high strength steel plate |
| CN108372210B (en) * | 2016-12-20 | 2020-10-16 | 中国航空制造技术研究院 | Equal-channel extrusion method |
| CN108246902B (en) * | 2018-01-09 | 2023-09-19 | 南京航空航天大学 | Self-increment spinning thermodynamic coupling synchronous forming device and method for titanium-containing layered composite pipe |
| CN108555103A (en) * | 2018-01-09 | 2018-09-21 | 南京航空航天大学 | Collaboration hinders electrically heated plank independent increment rotary pressing moulding device and method certainly |
| CN109365611B (en) * | 2018-10-10 | 2020-12-29 | 华南理工大学 | Electric pulse auxiliary spinning forming machine tool |
| CN109351836B (en) * | 2018-10-11 | 2020-06-19 | 华南理工大学 | Preparation method and device of cup-shaped flexible gear |
| CN109500223B (en) * | 2018-12-17 | 2020-06-12 | 中国航空制造技术研究院 | Flow friction near-net forming method for metal special-shaped reinforcing structure |
| CN114749944B (en) * | 2022-04-14 | 2023-04-25 | 上海理工大学 | Electroplastic shearing processing device and application method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1891363A (en) * | 2005-07-06 | 2007-01-10 | 清华大学深圳研究生院 | Electroplastic rolling method and apparatus for deformable magnesium alloy sheet, band and wire rod |
| CN102489575A (en) * | 2011-12-01 | 2012-06-13 | 上海交通大学 | Electroplastic rotary pressing device |
| CN202539321U (en) * | 2012-03-16 | 2012-11-21 | 南通耀龙金属制造有限公司 | Metal taper pipe spinning machine with inner core mold |
| CN202570926U (en) * | 2012-03-16 | 2012-12-05 | 上海先欧机床制造有限公司 | Synchronous and asynchronous spinning machine with two spinning rollers |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005211969A (en) * | 2004-01-30 | 2005-08-11 | National Institute Of Advanced Industrial & Technology | Spinning processing apparatus |
| CN102896193B (en) * | 2012-10-18 | 2014-09-24 | 哈尔滨工业大学 | Current-assist hot spinning forming method for titanium and titanium alloy |
-
2014
- 2014-12-24 CN CN201410815481.1A patent/CN104550396B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1891363A (en) * | 2005-07-06 | 2007-01-10 | 清华大学深圳研究生院 | Electroplastic rolling method and apparatus for deformable magnesium alloy sheet, band and wire rod |
| CN102489575A (en) * | 2011-12-01 | 2012-06-13 | 上海交通大学 | Electroplastic rotary pressing device |
| CN202539321U (en) * | 2012-03-16 | 2012-11-21 | 南通耀龙金属制造有限公司 | Metal taper pipe spinning machine with inner core mold |
| CN202570926U (en) * | 2012-03-16 | 2012-12-05 | 上海先欧机床制造有限公司 | Synchronous and asynchronous spinning machine with two spinning rollers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104550396A (en) | 2015-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104550396B (en) | Electro plasticity flow forming building mortion and method | |
| CN104624766A (en) | Electro-plastic ball spinning forming device and method | |
| CN103962425B (en) | A kind of electric heating stretch wrap forming device for Titanium Alloy Aircraft section bar | |
| CN105880310B (en) | A kind of mould and forming method of the hollow magnesium alloy profiles of Ultra-fine Grained | |
| CN109482690B (en) | Current-assisted roll forming method for special-shaped section pipe fitting made of difficultly-deformed material | |
| CN101502872A (en) | Shortened method for producing oxygen-free copper belt | |
| CN102896193A (en) | Current-assist hot spinning forming method for titanium and titanium alloy | |
| CN104384701B (en) | Magnesium alloy based on sensing heating and electro-magnetic forming/carbon steel pipe fitting composite connecting method | |
| CN105714224B (en) | A kind of high/low temperature severe plastic deformation preparation technology for refining titanium alloy crystal grain | |
| CN103331345A (en) | Stretch-bending forming device with insulated stretching head and forming method thereof | |
| CN101342548A (en) | Method for processing wire bar of zinc and zinc alloy | |
| CN104624693A (en) | Bidirectional extrusion mould and extrusion moulding method for double-layer metal plate and strip or sectional material | |
| CN109108139A (en) | A kind of titanium-based alloy material spin forming method based on composite heating | |
| CN106670258A (en) | Plasticity machining method for metal composite pipe | |
| CN1986099A (en) | Rotating extrusion process for producing great diameter and long tubular workpiece with both inner and outer flanges | |
| CN203621466U (en) | Fully automatic accumulator plate cast weld machine | |
| CN101829704A (en) | Method for processing aluminum alloy composite pipe | |
| CN104439904B (en) | Copper clad aluminum wire continuous extrusion production technique and the equipment of production thereof | |
| CN108998634B (en) | Production device for ultrahigh-strength steel plate | |
| CN205069221U (en) | Copper clad steel contact wire production facility | |
| CN108723137A (en) | A kind of differential temperature stretch wrap forming method from resistance heating aluminium lithium alloy proximate matter | |
| US20210362209A1 (en) | Apparatus and method for forming large-scale thin-walled ring shell by hot-press bending with internal gas pressure | |
| CN203155739U (en) | Continuous extrusion forming device for copper alloy strip billets | |
| CN103433366B (en) | Aluminium alloy square-section annular part heat expansion forms the method for odd-shaped cross section annular element | |
| CN104607560A (en) | Large-diameter double-metal composite pipe manufacturing technology and diameter expanding forming device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100024 North East military villa, eight Li bridge, Chaoyang District, Beijing Patentee after: China Institute of Aeronautical Manufacturing Technology Address before: 100024 North East military villa, eight Li bridge, Chaoyang District, Beijing Patentee before: Beijing Aviation Manufacturing Engineering Institute of China Aviation Industry Group Company |