CN107570572B - Symmetrical casting liquid-filling shaping method - Google Patents
Symmetrical casting liquid-filling shaping method Download PDFInfo
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- CN107570572B CN107570572B CN201710781143.4A CN201710781143A CN107570572B CN 107570572 B CN107570572 B CN 107570572B CN 201710781143 A CN201710781143 A CN 201710781143A CN 107570572 B CN107570572 B CN 107570572B
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- former
- formpiston
- blank holder
- infusion pipeline
- plate
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- 238000005266 casting Methods 0.000 title claims abstract description 36
- 238000007493 shaping process Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title description 12
- 238000001802 infusion Methods 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 210000000952 spleen Anatomy 0.000 abstract description 2
- 210000002784 stomach Anatomy 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention provides a kind of symmetrical casting liquid-filling shaping devices, include formpiston (1), former (3) and blank holder (2)；Cavity (300) and the first infusion pipeline (51) are provided on former (3), the cavity (300) runs through former (3) upper surface；Liquid holding space is formed inside cavity (300), the first infusion pipeline (51) and liquid holding space are interconnected；Platen gap is formed between blank holder (2) and former (3)；The height of platen gap can be adjusted；Central through hole is provided on blank holder (2), formpiston (1) reaches in liquid holding space through the central through hole.The present invention also provides a kind of manufacturing process using above-mentioned symmetrical casting liquid-filling shaping device.Middle-jiao yang, function of the spleen and stomach model of the present invention face matches with former type face, carries out shaping to the final type face of drawing parts, and supercharging pressure is effectively reduced in the shaping effect of alternative a part of supercharging pressure, improves product size precision.
Description
Technical field
The present invention relates to a kind of flexible die forming technologies, and in particular, to a kind of forming technology of symmetrical casting, especially one
Kind symmetrical casting liquid-filling shaping method.
Background technique
Variable curvature symmetrical casting (the rotary body symmetrical casting that section is made of different radii circular arc) is space flight type product
Important core in dynamical system, structure feature are the revolving parts being made of different curvature radius, for transmitting fire
Arrow and satellite play an important role.Because specification type is more, required shaping dies specification is various, at present space industry for
Variable curvature symmetrical casting uses punching block drawing and forming technology, which often leads to plate by part since there are suspension areas
Unstability and generate wall thickness reduction or corrugation the defects of, to influence product evenness of wall thickness and subsequent assembling manufacturing.
Liquid-filling shaping is a kind of flexible die forming technology, it can be achieved that flexible plastic is processed.It is suitble to produce complex-shaped, batch
Plate material parts small, size and shape is changeable.Due to the demand that aerospace and auto manufacturing develop, again beneficial to hydraulic close
The progress of encapsulation technique, obtains important breakthrough in recent years, is rapidly developed.Plate Hydraulic shaping technology is with car industry and boat
It, aircraft industry largely rapidly developed using complex-shaped structural member, some new forming technologies continuously emerge, technology development
Make rapid progress, greatly expands the range of liquid-filling shaping technique, the appearance of these new processes improves production efficiency, improves
The forming property of plate.
Patent document CN102641954B discloses a kind of Drawing Die, including cavity die structure, flanging coil structures and punch-pin knot
Structure.When this Drawing Die works, punch-pin axis is rotated by bevel-gear sett and key drive, cavity plate decline, at flanging coil structures
In non-working condition, when cavity plate is close to flanging coil structures, the hydraulic coupling of blank holder pastes plate and lower rotary table structure and cavity plate
Tightly, then decline together, when plate touches punch-pin axis, punch-pin axis drives plate rotation, cavity plate, top rotary table structure, lower turn
Dish structure is rotated together by plate drive, while cavity plate and lower rotary table structure continue decline until drawing and forming.According to patent text
Readme is offered, the limit drawing coefficient of plate can be reduced, gives full play to the potential of material, reduces the requirement to material property,
Greatly save expensive plate, especially advanced high-strength panel.But the structure that the patent document provides is in punching block drawing
In the process, side-walls are also easy to produce corrugation ripple, cause subsequent turning processing performance poor, and punching block is easy that there are wall unevennesses
Even problem.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of symmetrical casting liquid-filling shaping methods.
The symmetrical casting liquid-filling shaping device provided according to the present invention includes formpiston, former and blank holder；
Cavity and the first infusion pipeline are provided on former, the cavity runs through former upper surface；
Inside cavity forms liquid holding space, and the first infusion pipeline and liquid holding space are interconnected；
Platen gap is formed between blank holder and former；The height of platen gap can be adjusted；
Central through hole is provided on blank holder, formpiston reaches in liquid holding space through the central through hole.
Preferably, the cavity is revolving body；Cavity wall surface formed guide part be bonded forming section；
Profile extending direction is turned round along cavity, former upper surface, guide part, fitting forming section successively smoothly transit connection；
On former axial cross section, there are guide angle α between former upper surface and guide part, the guide angle α is obtuse angle.
Preferably, there is variation along revolution profile extending direction curvature in fitting forming section；
Formpiston type face matches with former type face.
Preferably, blank holder includes flanging inner ring and flanging outer ring；
Flanging inner ring is detachably connected with flanging outer ring.
It preferably, also include former mould bases；
Former mould bases is detachably connected with former.
Preferably, the second infusion pipeline is provided on former mould bases；
Pass through sealing ring between first infusion pipeline and the second infusion pipeline the two infusion pipelines to connect.
It preferably, also include hydraulic press；The hydraulic press includes master slider, upper blankholder slide and following table；
Formpiston, blank holder, former are connected with master slider, upper blankholder slide, following table respectively.
Preferably, the communication port of the first infusion pipeline and liquid holding space is located at the bottom end of cavity.
The present invention also provides a kind of manufacturing process using above-mentioned symmetrical casting liquid-filling shaping device, include following step
It is rapid:
Step S1: the diameter of the symmetrical casting shaped as needed selects the flanging inner ring to match and yin
Mould；
Step S2: the flanging inner ring of selection, former are fixedly connected with flanging outer ring, former mould bases respectively, the first infusion
Pipeline installs sealing ring with the second infusion pipeline junction and is aligned orifice position；
Step S3: placing plate on former upper surface, by formpiston, former mould bases, blank holder respectively with master slider, leave office
Face, upper blankholder slide are fixedly connected, and on the basis of formpiston, adjust the platen gap between blank holder and former；
Step S4: by infusion pipeline, into liquid holding space, filling liquid starts hydraulic press to flushing with plate, and blank holder closes
Mould；
Step S5: formpiston comes downwards to be bonded with plate after, hydraulic press implement hydraulic loaded, as drawing height increases, contain
The variation of liquid space Simultaneous Pressure；
Step S6: hydraulic loaded is kept after sheet metal deep drawing to final height, and drawing pressure is applied by formpiston, so that plate is same
When be bonded with formpiston, former, to plate carry out shaping to obtain symmetrical casting；
Step S7: the symmetrical casting of forming is taken out in infusion pipeline release after hydraulic press backhaul.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, middle-jiao yang, function of the spleen and stomach model of the present invention face and former type face match, and carry out shaping to the final type face of drawing parts, alternative
Supercharging pressure is effectively reduced in the shaping effect of a part of supercharging pressure, improves product size precision.
2, using the former type face to match with formpiston type face, filling liquid cavity volume can be effectively reduced, reduces filling process
Equipment energy consumption.
3, guide angle α, and α > 90 ° are arranged in former entrance, flow into former to material and are oriented to, forming process plate can be improved
Expect mold effect, suspension area construction instability trend is effectively reduced, improves product evenness of wall thickness after forming.
4, blank holder and former are designed to separate structure, realize interchangeability, different sizes, rule can be met after once mounting
The forming demand of lattice symmetrical casting improves the scope of application and production efficiency of device.
5, the present invention can complete the liquid-filling shaping of variable curvature symmetrical casting in set of device, reduce traditional punching block forming
In required different passage annealing operations, formation of parts wall thickness reduction amount is smaller and thickness distribution is uniform, improves symmetrical casting
Processing efficiency and dimensional accuracy.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is symmetrical casting liquid-filling shaping device semi-cutaway provided by the invention；
Fig. 2 is symmetrical casting liquid-filling shaping device perspective view provided by the invention；
Fig. 3 is schematic diagram before Sheet metal forming processing；
Fig. 4 is schematic diagram in Sheet metal forming processing；
Fig. 5 is Sheet Metal Processing into target symmetrical casting schematic diagram.
It is shown in figure:
1 former mould bases 4 of formpiston
2 infusion pipeline 5 of blank holder
21 first infusion pipeline 51 of flanging inner ring
22 second infusion pipeline 52 of flanging outer ring
3 sealing ring 6 of former
300 plate 7 of cavity
31 master slider 81 of guide part
It is bonded blankholder slide 82 on forming section 32
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
As shown in Figure 1 and Figure 2, in embodiment, symmetrical casting liquid-filling shaping device provided by the invention includes formpiston 1, former
3, former mould bases 4 and blank holder 2, wherein blank holder 2 is again comprising flanging inner ring 21 and flanging outer ring 22.Former 3 and former mould
It is connected by fastener between frame 4, between flanging inner ring 21 and flanging outer ring 22.Cavity 300 and first are provided on former 3
Infusion pipeline 51, cavity 300 run through 3 upper surface of former, and the inside of cavity 300 forms liquid holding space, the first infusion pipeline 51 with
Liquid holding space is interconnected, and communication port is located at the bottom end of cavity 300.In addition, being provided with the second infusion pipeline on former mould bases 4
52, when being assembled to former 3 and former mould bases 4, the first infusion pipeline 51 and second infusion pipeline 52 the two perfusion tubes
Aperture is mutually aligned between road 5, and is connected by sealing ring 6.Platen gap is formed between blank holder 2 and former 3, is actually used
In the process, plate 7 is placed in the platen gap, for convenience of being packed into plate 7 and adapting to the processing of different wall thickness plate 7,
Platen gap can be adjusted.Central through hole is provided on blank holder 2, formpiston 1 can be reached through the central through hole and be contained
In liquid space.In addition, the hydraulic press includes master slider 81, upper blankholder slide as shown in figure 3, the present invention also includes hydraulic press
82 and following table, when being processed to plate 7, the master slider 81 of hydraulic press, upper blankholder slide 82 respectively with formpiston 1, flanging
Circle 2 is fixed, and former mould bases 4 is then placed on the following table of hydraulic press.
Pass through fastener between former 3 and former mould bases 4, between flanging inner ring 21 and flanging outer ring 22 with dismountable side
Formula links together, and is conducive to the former 3 and flanging inner ring 21 of replacing different model specification, to adapt to returning for different model specification
The processing of part is turned, to realize the one-pass molding of symmetrical casting, the intermediate handling return of tradition is eliminated, improves part forming precision
And efficiency, meanwhile, manufacturing cost of the invention is also greatly saved.In actual use, plate 7 is pressed in yin by blank holder 2
On mould 3, plate 7 covers the upper end opening of cavity 300, highly pressurised liquid is filled with into liquid holding space by infusion pipeline 5, in formation
High-pressure forming, reduces suspension area construction instability trend, and formpiston 1 moves downward processing plate under the promotion of hydraulic press master slider 81
7, realize single pass forming.For meet the needs of processing symmetrical casting shape, the cavity 300 of former 3 also be revolving body, cavity
300 wall surfaces formed guide part 31 be bonded forming section 32, along cavity 300 revolution profile extending direction, 3 upper surface of former, be oriented to
Portion 31, fitting forming section 32 successively smoothly transit connection.To improve 7 mold effect of forming process plate, suspension area material is reduced
Unstability trend, on 3 axial cross section of former, there are guide angle α, the guide angle α between 3 upper surface of former and guide part 31 is
Obtuse angle.Preferably, there is variation in the curvature for being bonded forming section 32, to adapt to the processing of variable curvature symmetrical casting；In addition, formpiston 1
Type face matches with 3 type face of former, that is to say, that the fillet in 3 type face of former matches with the fillet on 1 type face of formpiston, the knot
Structure can carry out shaping to the final type face of plate 7 after drawing, and the shaping effect of alternative a part of supercharging pressure is effectively reduced
Supercharging pressure in liquid holding space reduces filling process equipment energy consumption, improves product size precision.In preference, blank holder 2 is also
It can be integrally formed, can also be integrally formed between former 3 and former mould bases 4, but this structure will lead to different rule
The symmetrical casting of lattice number needs to correspond to dedicated mold, considerably increases the manufacturing cost of mold.Preferably, the first perfusion tube
The communication port of road 51 and liquid holding space can also be located at the other positions except 300 bottom end of cavity, but may cause liquid effects in
Pressure imbalance on plate 7 causes processing quality to reduce.
The present invention also provides a kind of manufacturing process using above-mentioned symmetrical casting liquid-filling shaping device, include following step
Rapid: step S1: the diameter of the symmetrical casting shaped as needed selects the flanging inner ring 21 and former 3 to match；
Step S2: as shown in figure 3, the flanging inner ring 21 of selection, former 3 are fixedly connected with flanging outer ring 22, former mould bases 4 respectively,
First infusion pipeline 51 installs sealing ring 6 with 52 junction of the second infusion pipeline and is aligned orifice position；Step S3: in former
On 3 upper surfaces place plate 7, by formpiston 1, former mould bases 4, blank holder 2 respectively with master slider 81, following table, upper blankholder slide
82 are fixedly connected, and on the basis of formpiston 1, adjust the platen gap between blank holder 2 and former 3；Step S4: pass through infusion pipeline
5 into liquid holding space filling liquid start hydraulic press to flushing with plate 7, blank holder 2 molds；Step S5: as shown in figure 4, formpiston 1
It coming downwards to after being bonded with plate 7, hydraulic press implements hydraulic loaded, as drawing height increases, the variation of liquid holding space Simultaneous Pressure；
Step S6: as shown in figure 5, keeping hydraulic loaded after plate 7 drawing to final height, and drawing pressure is applied by formpiston 1, so that plate
Material 7 is bonded with formpiston 1, former 3 simultaneously, carries out shaping to plate 7 to obtain symmetrical casting；Step S7: 5 release of infusion pipeline,
The symmetrical casting of forming is taken out after hydraulic press backhaul.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (1)
1. a kind of manufacturing process using symmetrical casting liquid-filling shaping device, which is characterized in that symmetrical casting liquid-filling shaping device
Include formpiston (1), former (3) and blank holder (2)；
Cavity (300) and the first infusion pipeline (51) are provided on former (3), the cavity (300) runs through former (3) upper end
Face；
Liquid holding space is formed inside cavity (300), the first infusion pipeline (51) and liquid holding space are interconnected；
Platen gap is formed between blank holder (2) and former (3)；The height of platen gap can be adjusted；
Central through hole is provided on blank holder (2), formpiston (1) reaches in liquid holding space through the central through hole；
Blank holder (2) includes flanging inner ring (21) and flanging outer ring (22)；
Flanging inner ring (21) is detachably connected with flanging outer ring (22)；
Symmetrical casting liquid-filling shaping device also includes former mould bases (4) and hydraulic press；
Former mould bases (4) is detachably connected with former (3)；
The second infusion pipeline (52) are provided on former mould bases (4)；
It is connect between first infusion pipeline (51) and the two infusion pipelines (5) of the second infusion pipeline (52) by sealing ring (6)；
The hydraulic press includes master slider (81), upper blankholder slide (82) and following table；
Formpiston (1), blank holder (2), former (3) are connected with master slider (81), upper blankholder slide (82), following table respectively；
The manufacturing process comprises the steps of:
Step S1: the diameter of the symmetrical casting shaped as needed selects the flanging inner ring (21) and former to match
(3)；
Step S2: the flanging inner ring (21) of selection, former (3) are fixed with flanging outer ring (22), former mould bases (4) respectively and connected
It connects, the first infusion pipeline (51) installs sealing ring (6) with the second infusion pipeline (52) junction and is aligned orifice position；
Step S3: on former (3) upper surface place plate (7), by formpiston (1), former mould bases (4), blank holder (2) respectively with
Master slider (81), following table, upper blankholder slide (82) are fixedly connected, and on the basis of formpiston (1), adjust blank holder (2) and former
(3) platen gap between；
Step S4: by infusion pipeline (5), into liquid holding space, filling liquid starts hydraulic press, blank holder to flushing with plate (7)
(2) it molds；
Step S5: formpiston (1) comes downwards to be bonded with plate (7) after, hydraulic press implement hydraulic loaded, as drawing height increases,
The variation of liquid holding space Simultaneous Pressure；
Step S6: hydraulic loaded is kept after plate (7) drawing to final height, and drawing pressure is applied by formpiston (1), so that plate
(7) it is bonded simultaneously with formpiston (1), former (3), shaping is carried out to obtain symmetrical casting to plate (7)；
Step S7: the symmetrical casting of forming is taken out in infusion pipeline (5) release after hydraulic press backhaul.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710781143.4A CN107570572B (en) | 2017-09-01 | 2017-09-01 | Symmetrical casting liquid-filling shaping method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710781143.4A CN107570572B (en) | 2017-09-01 | 2017-09-01 | Symmetrical casting liquid-filling shaping method |
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| Publication Number | Publication Date |
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| CN107570572A CN107570572A (en) | 2018-01-12 |
| CN107570572B true CN107570572B (en) | 2019-05-31 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723160B (en) * | 2018-06-22 | 2020-02-14 | 西安飞机工业（集团）有限责任公司 | Forming method and forming die for thin-wall spherical part |
| TR2021019216A2 (en) * | 2021-12-06 | 2023-06-21 | Coskunoez Kalip Makina Sanayi Ve Ticaret Anonim Sirketi | Mold structuring |
| CN114535393A (en) * | 2022-01-18 | 2022-05-27 | 桂林电子科技大学 | Stepped pre-expansion forming processing device and method for stepped part |
| CN119500882B (en) * | 2024-12-23 | 2026-04-03 | 中航西安飞机工业集团股份有限公司 | A double-action automatic clamping die for large, deep-cavity, basin-shaped parts and its clamping method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0976037A (en) * | 1995-09-12 | 1997-03-25 | Topy Ind Ltd | Vehicle wheel disc molding method and apparatus |
| DE19717953A1 (en) * | 1997-04-28 | 1998-10-29 | Bayerische Motoren Werke Ag | Hydromechanical reverse-drawing method for sheet-metal |
| DE10153600A1 (en) * | 2001-11-02 | 2003-05-15 | Forschungsges Umformtechnik | Chasing and subsequent hydromechanical deep drawing process involves performing sheet in hydraulic fluid in drawing direction |
| CN104607524A (en) * | 2014-12-31 | 2015-05-13 | 哈尔滨工业大学 | Tailor welded blank integral drawing forming device and method for large-scale curved surface part |
| CN105537362A (en) * | 2016-02-26 | 2016-05-04 | 哈尔滨工业大学 | Device and method for reducing hydro-mechanical deep drawing force of large-size plate component |
| CN106363067A (en) * | 2015-07-20 | 2017-02-01 | 上海航天设备制造总厂 | Overall shaping device for box bottom of spacecraft fuel storage box and shaping method for same |
-
2017
- 2017-09-01 CN CN201710781143.4A patent/CN107570572B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0976037A (en) * | 1995-09-12 | 1997-03-25 | Topy Ind Ltd | Vehicle wheel disc molding method and apparatus |
| DE19717953A1 (en) * | 1997-04-28 | 1998-10-29 | Bayerische Motoren Werke Ag | Hydromechanical reverse-drawing method for sheet-metal |
| DE10153600A1 (en) * | 2001-11-02 | 2003-05-15 | Forschungsges Umformtechnik | Chasing and subsequent hydromechanical deep drawing process involves performing sheet in hydraulic fluid in drawing direction |
| CN104607524A (en) * | 2014-12-31 | 2015-05-13 | 哈尔滨工业大学 | Tailor welded blank integral drawing forming device and method for large-scale curved surface part |
| CN106363067A (en) * | 2015-07-20 | 2017-02-01 | 上海航天设备制造总厂 | Overall shaping device for box bottom of spacecraft fuel storage box and shaping method for same |
| CN105537362A (en) * | 2016-02-26 | 2016-05-04 | 哈尔滨工业大学 | Device and method for reducing hydro-mechanical deep drawing force of large-size plate component |
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