CN106807825B - A kind of progressive flexible compound manufacturing process of electromagnetism - Google Patents
A kind of progressive flexible compound manufacturing process of electromagnetism Download PDFInfo
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- CN106807825B CN106807825B CN201710234966.5A CN201710234966A CN106807825B CN 106807825 B CN106807825 B CN 106807825B CN 201710234966 A CN201710234966 A CN 201710234966A CN 106807825 B CN106807825 B CN 106807825B
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- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/14—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces applying magnetic forces
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/003—Simultaneous forming, e.g. making more than one part per stroke
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention belongs to part formings to manufacture correlative technology field, and it discloses a kind of progressive flexible compound manufacturing process of electromagnetism, include the following steps：The electromagnetic forming device for including multi-point support mold that discharge assembly, type face be made of multiple discrete basic bodies and four hydraulic cylinders is provided；Adjustment basic body is to form top layer type face, and hydraulic cylinder is by mobile to compress plate；Discharge coil is gradually moved along top layer type face, and discharge assembly gradually discharges with the movement of discharge coil, and plate is gradually moved towards the direction far from discharge coil, until plate fits with top layer type face；After the height of basic body is readjusted to form new top layer type face, and clamping plate part again；Discharge coil re-moves, and discharge assembly also gradually discharges, until plate fits with new top layer type face；Above step is repeated until the shape of plate is target shape.The above method avoids corrugation, reduces thinning and rebound, realizes the homogeneous deformation of plate.
Description
Technical field
The invention belongs to part formings to manufacture correlative technology field, more particularly, to a kind of progressive flexible compound of electromagnetism
Manufacturing process.
Background technology
Electro-magnetic forming be it is a kind of using pulse magnet field force to metal works carry out High-speed machining method, electro-magnetic forming process
In, material is high-speed deformation under magnetic field force effect (forming speed is more than 300m/s) so that electro-magnetic forming can be higher than
Forming property under conventional ones processing, improves forming limit, reduces rebound, inhibits corrugation, and forming accuracy is higher.
For electro-magnetic forming large-scale workpiece generally there are two types of method, one kind is shaped using multistage multi-directional impulse magnetic field at this stage
Method uses electromagnetic pulse flanging-high intensity coil forming-shock loading inertial confinement can be in the electro-magnetic forming equipment of one
Realize large-scale housing component monolithic molding, the implementation of the technology needs to use pulse flanging system, form-wound coil system and inertia about
Beam system so that structural system is complicated, and equipment scale is larger, and manufacture is of high cost, is difficult to promote in commercial Application；Another method
It is electromagnetism progressive molding technology.
Electromagnetism progressive molding be profit computerized control discharge coil movement, make coil on plate along mold profile one
A moved further is walked, often moves to move a step and puts an electromagnetic pulse, the electromagnetic force of generation makes the forming that metal blank is plastically deformed
Technology.If processing large-scale plate using electromagnetism progressive molding method, when coil according to certain track along plate below
Support mode profile gradually discharges to plate forming, and plate can finally realize patch mould；But workpiece is easy during progressive molding
Cause corrugation, be thinned serious, the problems such as the not fairing of surface, affect the Accurate Shaping manufacture of large-scale workpiece.Correspondingly, this field
There is develop a kind of technical need for being suitable for large-scale plate and the higher electromagnetism progressive molding method of precision.
Invention content
For the disadvantages described above or Improvement requirement of the prior art, the present invention provides a kind of progressive flexible compound formings of electromagnetism
It the characteristics of method, plate large-scale based on the processing of electromagnetism progressive molding method, is designed for electromagnetism progressive molding method.
Electromagnetism progressive molding is combined by the progressive flexible compound manufacturing process of electromagnetism with reconfigurable tool, takes full advantage of multiple spot
The advantages that type face of mold flexible can convert, the precision of electro-magnetic forming is high, rebound is small, no marking, not only reduces large mold
Cost is manufactured, shortens the production cycle, the problem of large-scale difficult deformation part forming is difficult is also solved, further improves difficult deformation
The plastic deformation ability and formed precision of plate.In addition, the progressive flexible compound manufacturing process of electromagnetism is pre- by rationally setting
Fixed tensile stress, middle transition shape and discharge parameter, avoids corrugation, reduces thinning and rebound, realizes plate
Homogeneous deformation.
To achieve the above object, the present invention provides a kind of progressive flexible compound manufacturing process of electromagnetism, it is used for big shell
The homogeneous deformation of body class difficulty deformable metal part, includes the following steps：
(1) electromagnetic forming device is provided, the electromagnetic forming device includes electro-magnetic forming component, discharge assembly, multiple spot branch
Hold mode has and is located at four hydraulic cylinders of the opposite both sides of the multi-point support mold respectively, and the electro-magnetic forming component includes electricity
Property is connected to the discharge coil of the discharge assembly, and the type face of the multiple spot mold is made of multiple discrete basic bodies, wherein,
Four hydraulic cylinders are oppositely arranged two-by-two, for clamping the plate being placed between the hydraulic cylinder being oppositely arranged；
(2) height of multiple basic bodies is adjusted to form top layer type face, and plate to be formed is positioned over the top
On stratotype face, by moving up and down to compress the plate, the plate generates the hydraulic cylinder under hydraulic cylinder effect
Scheduled tensile stress；
(3) after the discharge coil is set on the top layer type face, the discharge coil is along the top layer type face
It is gradually moved with scheduled machining locus, the discharge assembly gradually discharges with the movement of the discharge coil, the plate
It is gradually moved towards the direction far from the discharge coil, is gradually affixed to the top layer type face, until the plate and the top
Stratotype face fits；
(4) hydraulic cylinder readjusts the height of multiple basic bodies with shape by mobile to unclamp the plate
Behind the top layer type face of Cheng Xin, the hydraulic cylinder clamps the plate again by moving up and down with scheduled tensile stress；
(5) discharge energy of the discharge assembly is adjusted, while the discharge coil is gradually moved along new top layer type face
Dynamic, the discharge assembly gradually discharges with the movement of the discharge coil, until the plate and the new top layer type face
It fits；
(6) go to step (4), until the shape of the plate is target shape, the electromagnetism of the plate it is progressive it is flexible into
Shape is completed.
Further, the electro-magnetic forming component further includes the supporting rod and four difference for clamping the discharge coil
The blank holder of four hydraulic cylinders is connected to, the hydraulic cylinder by the blank holder compresses or unclamp the plate.
Further, the pressure-pad-force that the blank holder is applied to the plate is 0~20KN.
Further, the scheduled tensile stress is configured by the hydraulic cylinder.
Further, four hydraulic cylinders are oppositely arranged two-by-two, and the opposite both ends of the plate protrude from described more
Point support mode and respectively between corresponding two blank holders.
In general, by the above technical scheme conceived by the present invention compared with prior art, electricity provided by the invention
The progressive flexible compound manufacturing process of magnetic mainly has the advantages that：
(1) electromagnetism progressive molding is combined by the progressive flexible compound manufacturing process of the electromagnetism with reconfigurable tool, is filled
Divide the advantages that type face that multiple spot mold is utilized flexible can convert, the precision of electro-magnetic forming is high, rebound is small, no marking, not only drop
Low large mold manufacture cost, shortens the production cycle, also solves the problem of large-scale difficult deformation part forming is difficult, further
Improve the plastic deformation ability and forming accuracy of difficult deformation plate；
(2) the progressive flexible compound manufacturing process of the electromagnetism is by rationally setting scheduled tensile stress, middle transition shape
And discharge parameter, corrugation is avoided, thinning and rebound is reduced, realizes the homogeneous deformation of plate；
(3) the progressive flexible compound manufacturing process of the electromagnetism is simple, it is easy to accomplish, efficiency is higher, and cost is relatively low.
Description of the drawings
Fig. 1 is the flow chart for the progressive flexible compound manufacturing process of electromagnetism that better embodiment of the present invention provides.
Fig. 2 is that first time shaped state when being formed using the progressive flexible compound manufacturing process of electromagnetism in Fig. 1 is shown
It is intended to.
Fig. 3 is that second of shaped state when being formed using the progressive flexible compound manufacturing process of electromagnetism in Fig. 1 is shown
It is intended to.
Fig. 4 is that forming when being formed using the progressive flexible compound manufacturing process of electromagnetism in Fig. 1 terminates state signal
Figure.
In all the appended drawings, identical reference numeral is used for representing identical element or structure, wherein：1- hydraulic cylinders, 2-
Blank holder, 3- seize bar, 4- discharge coils, 5- capacitance groups, 6- repid discharges switch, 7- plates, 8- multi-point support molds on both sides by the arms.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
It does not constitute a conflict with each other and can be combined with each other.
It please refers to Fig.1 to Fig.4, the progressive flexible compound manufacturing process of electromagnetism that better embodiment of the present invention provides is described
Electromagnetism progressive molding is combined by the progressive flexible compound manufacturing process of electromagnetism with reconfigurable tool, and it is suitable for large-scale difficult deformations
The whole uniform figuration manufacture of housing part.
In present embodiment, the progressive flexible compound manufacturing process of the electromagnetism mainly includes the following steps that：
Step 1 provides electromagnetic forming device.Specifically, the electromagnetic forming device includes electro-magnetic forming component, electric discharge
Component, multi-point support mold 8 and four hydraulic cylinders 1, the electro-magnetic forming component are used to carry out plate 7 electro-magnetic forming, packet
It includes supporting rod 3, be connected to the discharge coil 4 of the supporting rod 3 and four blank holders for being connected to four hydraulic cylinders 1
2, the supporting rod 3 is used to that the discharge coil 4 to be driven to move.The discharge coil 4 is electrically connected at the discharge assembly.Institute
Hydraulic cylinder 1 is stated for the corresponding blank holder 2 to be driven to move up and down, to clamp or unclamp the plate 7.It is appreciated that
In other embodiments, the quantity of the hydraulic cylinder 1 can increase or reduce according to actual needs.
The discharge assembly includes capacitor group 5 and repid discharge switch 6, the capacitor group 5, the high-speed switch 6
And it is electrically connected between the discharge coil 4 by conducting wire.In present embodiment, the capacitor group 5 is carried out by power-supply system
Charging when its voltage reaches 0~30KV, stops charging, is closed at the high-speed switch 6 to form discharge loop.
The multi-point support mold 8 includes multiple discrete basic bodies, and multiple basic bodies form the multi-point support
The die face of mold 8 changes the die face of the multi-point support mold 8 by adjusting the height of multiple basic bodies
Shape, to adapt to different forming needs.
In present embodiment, four hydraulic cylinders 1 are oppositely arranged two-by-two, and are located at the multi-point support mold 8 respectively
Opposite both sides；The die face of the multi-point support mold 8 is used to support the plate 7, and the plate 7 it is opposite two
End is protruded from after the die face respectively between two opposite blank holders 2.
Step 2 adjusts the height of multiple basic bodies to form top layer type face, the plate 7 is positioned over what is formed
On the top layer type face, and pass through the hydraulic cylinder 1 and the blank holder 2 is driven to move, and then it is described to compress the blank holder 2
Plate 7.In present embodiment, the pressure-pad-force that the blank holder 2 is applied to the plate 7 is 0~20KN.
The discharge coil 4 is set to behind the top layer type face top along the top layer type face with scheduled by step 3
Machining locus gradually moves, often mobile primary, and the discharge assembly electric discharge is primary so as to generate an arteries and veins in the discharge coil 4
Electric current is rushed, the different zones of the plate 7 move one by one towards the direction far from the discharge coil 4, are gradually affixed to the top
Stratotype face until the plate 7 is bonded completely with the top layer type face, completes and shapes for the first time.
Specifically, after discharge assembly electric discharge, the Lorentz force far from the discharge coil 4 that the plate 7 is subject to
More than the plate 7 yield limit when so that the plate 7 towards far from the discharge coil 4 direction move, the plate
7 are plastically deformed, by adjusting the discharge energy of the discharge assembly so that the plate 7 is affixed to the multi-point support mould
Tool 8.
Step 4, the hydraulic cylinder 1 unclamp the plate 7 by the mobile blank holder 2, readjust multiple institutes
After the height of basic body is stated to form new top layer type face, the plate 7 is positioned on the new top layer type face, the liquid
Cylinder pressure 1 is by moving up and down the blank holder 2 to clamp the plate 7 again.
Step 5, adjusts the discharge energy of the discharge assembly, at the same the discharge coil 4 along new top layer type face by
Secondary movement, the discharge assembly gradually discharge with the movement of the discharge coil 4, until the plate 7 and the new top
Stratotype face fits.
Step 6 goes to step 4, until the shape of the plate 7 is target shape, the electromagnetism of the plate 7 is progressive soft
Property forming complete.
As shown in Fig. 2, the height for adjusting the basic body forms the first stratotype face, the plate 7 to be formed is placed
In in the basic body, scheduled tensile stress is set by the hydraulic cylinder 1, the discharge assembly is with the discharge coil 4
It is mobile gradually discharged, electromagnetic pulse is generated in the discharge coil 4 and causes the plate 7 by far from the discharge lines
The Lorentz force of circle 4, the plate 7 are gradually affixed to the first stratotype face under the action of the Lorentz force.
As shown in figure 3, after the plate 7 and the first stratotype face paste are closed, the height of the basic body is adjusted with shape
Into the second stratotype face, will be positioned on the second stratotype face through the plate 7 after molding for the first time, again by the liquid
Cylinder pressure 1 sets scheduled tensile stress, and the discharge assembly gradually discharges with the movement of the discharge coil 4, the plate
The second stratotype face is gradually affixed to, second is completed and shapes.As shown in figure 4, repeating above-mentioned forming process, the plate is completed
The forming of part 7.
The progressive flexible compound manufacturing process of electromagnetism provided by the invention, by electromagnetism progressive molding and reconfigurable tool phase
With reference to, take full advantage of multiple spot mold type face can flexible transformation, the advantages that precision of electro-magnetic forming is high, rebound is small, no marking,
Large mold manufacture cost is not only reduced, shortens the production cycle, also solves the problem of large-scale difficult deformation part forming is difficult,
Further improve the plastic deformation ability and forming accuracy of difficult deformation plate.In addition, the progressive flexible compound forming of electromagnetism
Method avoids corrugation, reduces thinning by rationally setting scheduled tensile stress, middle transition shape and discharge parameter
With rebound, the homogeneous deformation of plate is realized.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made all within the spirits and principles of the present invention etc., should all include
Within protection scope of the present invention.
Claims (5)
1. a kind of progressive flexible compound manufacturing process of electromagnetism, is used for the homogeneous deformation of large-scale housing class difficulty deformable metal part,
It is characterized in that, this method includes the following steps：
(1) electromagnetic forming device is provided, the electromagnetic forming device includes electro-magnetic forming component, discharge assembly, multi-point support mould
Tool and four hydraulic cylinders for being located at the opposite both sides of the multi-point support mold respectively, the electro-magnetic forming component include electrically connecting
The discharge coil of the discharge assembly is connected to, the type face of the multi-point support mold is made of multiple discrete basic bodies, wherein,
Four hydraulic cylinders are oppositely arranged two-by-two, for clamping the plate being placed between the hydraulic cylinder being oppositely arranged；
(2) height of multiple basic bodies is adjusted to form top layer type face, and plate to be formed is positioned over the top layer type
On face, by moving up and down to compress the plate, the plate generates predetermined the hydraulic cylinder under hydraulic cylinder effect
Tensile stress；
(3) after the discharge coil is set on the top layer type face, the discharge coil is along the top layer type face with pre-
Fixed machining locus gradually moves, and the discharge assembly gradually discharges with the movement of the discharge coil, and the plate is not
With region one by one towards far from the discharge coil direction move, be gradually affixed to the top layer type face, until the plate with
The top layer type face fits；
(4) for the hydraulic cylinder by mobile to unclamp the plate, it is new to be formed to readjust the height of multiple basic bodies
Top layer type face after, the hydraulic cylinder clamps the plate again by moving up and down with scheduled tensile stress；
(5) discharge energy of the discharge assembly is adjusted, while the discharge coil is gradually moved along new top layer type face, institute
It states discharge assembly gradually to discharge with the movement of the discharge coil, until the plate is affixed with the new top layer type face
It closes；
(6) step (4) is gone to, until the shape of the plate is target shape, the progressive flexible forming of electromagnetism of the plate is complete
Into, and thus solve the problems, such as being easy to wrinkle, serious and surface not fairing is thinned during electromagnetism progressive molding.
2. the progressive flexible compound manufacturing process of electromagnetism as described in claim 1, it is characterised in that：The electro-magnetic forming component is also
Supporting rod and four blank holders for being connected to four hydraulic cylinders including being used to clamp the discharge coil, the liquid
Cylinder pressure by the blank holder compresses or unclamps the plate.
3. the progressive flexible compound manufacturing process of electromagnetism as claimed in claim 2, it is characterised in that：The blank holder is applied to institute
The pressure-pad-force for stating plate is 0~20KN.
4. the progressive flexible compound manufacturing process of electromagnetism as claimed in claim 2, it is characterised in that：The scheduled tensile stress is
It is configured by the hydraulic cylinder.
5. the progressive flexible compound manufacturing process of electromagnetism as claimed in claim 2, it is characterised in that：Four hydraulic cylinders are two-by-two
It is oppositely arranged, the opposite both ends of the plate protrude from the multi-point support mold and are located at corresponding two blank holders respectively
Between.
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| CN201710234966.5A CN106807825B (en) | 2017-04-12 | 2017-04-12 | A kind of progressive flexible compound manufacturing process of electromagnetism |
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| CN106807825B true CN106807825B (en) | 2018-07-06 |
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| CN108971312B (en) * | 2018-07-24 | 2024-05-14 | 广东工业大学 | Electromagnetic forming system for flexible plate |
| CN111167920B (en) * | 2019-12-26 | 2021-05-07 | 中南大学 | Electromagnetic-multipoint composite forming device for plate and forming method thereof |
| CN112775257B (en) * | 2020-12-14 | 2022-10-04 | 三峡大学 | Plate embossing forming device and method based on pulse electromagnetic force |
| CN112605221A (en) * | 2020-12-17 | 2021-04-06 | 湖北汽车工业学院 | Electromagnetic forming method based on multiple coils |
| CN116550848B (en) * | 2023-07-11 | 2023-11-10 | 成都飞机工业（集团）有限责任公司 | Multi-point electromagnetic forming equipment and method for sheet metal workpiece |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6085562A (en) * | 1998-08-17 | 2000-07-11 | The Ohio State University | Hybrid matched tool forming methods |
| WO2004028720A1 (en) * | 2002-09-27 | 2004-04-08 | Kabushiki Kaisha Kobe Seiko Sho | Process for producing tubular ring with beads and die for use therein |
| CN2887479Y (en) * | 2006-03-07 | 2007-04-11 | 华中科技大学 | Moving electromagnetic coil device for gradual panel forming |
| CN103480713A (en) * | 2013-08-14 | 2014-01-01 | 西北工业大学 | Flexible stretch-forming device and method for carrying out stretch-forming on plate by utilizing same |
| CN103495635A (en) * | 2013-09-30 | 2014-01-08 | 中国航空工业集团公司北京航空制造工程研究所 | Skin stretch-forming method with transition sectional face of flexible multipoint mould |
| CN104646475A (en) * | 2015-03-05 | 2015-05-27 | 吉林大学 | Multi-point forming method for whole aluminum alloy wall plate of aircraft |
| CN104785621A (en) * | 2015-04-16 | 2015-07-22 | 华中科技大学 | Stretch-forming and electromagnetic combining incremental forming method and device of large thin-wall part |
| CN105234233A (en) * | 2015-10-27 | 2016-01-13 | 上海航天精密机械研究所 | Flexible forming system and method for three-dimensional curved-surface part with boss |
| CN105478539A (en) * | 2015-12-29 | 2016-04-13 | 哈尔滨工业大学（威海） | Plate multipoint progressive forming device |
| CN105642730A (en) * | 2016-01-05 | 2016-06-08 | 北京航空航天大学 | Double-acting gradually-advancing type prestress plate four-axis pulse electromagnetic shape adjusting and nature adjusting device |
-
2017
- 2017-04-12 CN CN201710234966.5A patent/CN106807825B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6085562A (en) * | 1998-08-17 | 2000-07-11 | The Ohio State University | Hybrid matched tool forming methods |
| WO2004028720A1 (en) * | 2002-09-27 | 2004-04-08 | Kabushiki Kaisha Kobe Seiko Sho | Process for producing tubular ring with beads and die for use therein |
| CN2887479Y (en) * | 2006-03-07 | 2007-04-11 | 华中科技大学 | Moving electromagnetic coil device for gradual panel forming |
| CN103480713A (en) * | 2013-08-14 | 2014-01-01 | 西北工业大学 | Flexible stretch-forming device and method for carrying out stretch-forming on plate by utilizing same |
| CN103495635A (en) * | 2013-09-30 | 2014-01-08 | 中国航空工业集团公司北京航空制造工程研究所 | Skin stretch-forming method with transition sectional face of flexible multipoint mould |
| CN104646475A (en) * | 2015-03-05 | 2015-05-27 | 吉林大学 | Multi-point forming method for whole aluminum alloy wall plate of aircraft |
| CN104785621A (en) * | 2015-04-16 | 2015-07-22 | 华中科技大学 | Stretch-forming and electromagnetic combining incremental forming method and device of large thin-wall part |
| CN105234233A (en) * | 2015-10-27 | 2016-01-13 | 上海航天精密机械研究所 | Flexible forming system and method for three-dimensional curved-surface part with boss |
| CN105478539A (en) * | 2015-12-29 | 2016-04-13 | 哈尔滨工业大学（威海） | Plate multipoint progressive forming device |
| CN105642730A (en) * | 2016-01-05 | 2016-06-08 | 北京航空航天大学 | Double-acting gradually-advancing type prestress plate four-axis pulse electromagnetic shape adjusting and nature adjusting device |
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