CN1283383C - Hydroforming flush system - Google Patents
Hydroforming flush system Download PDFInfo
- Publication number
- CN1283383C CN1283383C CNB01805448XA CN01805448A CN1283383C CN 1283383 C CN1283383 C CN 1283383C CN B01805448X A CNB01805448X A CN B01805448XA CN 01805448 A CN01805448 A CN 01805448A CN 1283383 C CN1283383 C CN 1283383C
- Authority
- CN
- China
- Prior art keywords
- fluid
- drift
- tubular blank
- die cavity
- shaped device
- 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.)
- Expired - Lifetime
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Classifications
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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
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/035—Deforming tubular bodies including an additional treatment performed by fluid pressure, e.g. perforating
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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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching tools
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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
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
-
- 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
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/041—Means for controlling fluid parameters, e.g. pressure or temperature
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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
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/047—Mould construction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Punching Or Piercing (AREA)
Abstract
A hydroforming assembly has a plurality of die structures that are mounted on a press for reciprocating movement between open and closed conditions. The die structures have cooperating die surfaces defining a die cavity when in the closed condition and receive a metallic tube blank when in the open conditions. A hydroforming fluid supply system has tube-end engaging structures that are movable to selectively and sealingly engage opposite ends of the tube blank. The hydroforming fluid supply system provides pressurized fluid into an interior of the tube blank in order to expand the tube blank outwardly into conformity with the die cavity. A punch extends within a passage of at least one of the die structures. The punch is movable between retracted and extended positions. A punch driving assembly drives the punch between the retracted and extended positions to punch a hole into the expanded tube blank. A flushing system communicates with the die cavity providing a flushing fluid flow through the interior of the expanded tube blank.
Description
Invention field
The present invention relates to a kind of system of the parts of fluid power moulding that be used to wash with the inner chip of removing component.
Background of invention
In recent years, in manufacturing field, particularly auto industry, the fluid power forming technique becomes more and more important.In a kind of application of fluid power moulding, tubular metal blank (normally steel) is placed die cavity.The two ends of pipe seal with a pair of hydraulic pressure plug, and described hydraulic pressure plug has central opening, and by this opening, the high fluid of pressure can be expelled in the pipe.High-pressure fluid make tube expansion and with form the surperficial consistent of die cavity.As the result of this fluid power moulding process, high-intensity parts can be made complicated tubulose, and all can not obtain The above results with any economized form in practice.This fluid power moulding process is in United States Patent (USP) 4,567,743; 5,070,717; 5,107,693; 5,233,854; 5,239,852; Open in 5,333,755 and 5,339,667.
In the more advanced form of fluid power moulding, the hydraulic pressure plug is stressed inwardly to be moved mutually towards the other side, to form metal flow at tube interior when the tube expansion, between the whole phase of expansion pipe wall thickness is remained in the predetermined scope.This fluid power moulding process is in United States Patent (USP) 5,718,048; 5,855,394; 5,899,498; Open in 5,979,201 and 5,987,950.
For some is used, wish to produce very much final parts with several holes, these holes can be used in installs other elements.For example, in auto industry, known will be by fluid power moulding process processing tubular blank to be formed for being installed to the engine draft hitch on the automobile engine.Final tubular part must have the hole, so that securing member passes the hole and is used to install engine mounting bracket and analog.For the ease of forming these holes on the parts, knownly can in fluid power mould itself, carry out perforation procedure.Usually, under pressure, pass pipe and go out the hole.In one approach, the pipe parts (claiming " sheet metal " usually) of being downcut by drift has residual and is connected marginal portion on the pipe, and this marginal portion is suspended on tube interior.This has produced problem, because this part has increased the unnecessary weight of parts, this is the factor of auto industry consideration normally.In another approach, behind hole forming, drift is extracted out from pipe, and when drift was extracted out from pipe, under fluid pressure, the distortion that is produced by drift still remained on the zone that engages with drift.Then, sheet metal is arrived debris collector by fluid flushing.One of this typical operation is at United States Patent (USP) 5,816, and is open in 089.The problem that above-mentioned technology is brought is, produces during not with pull under the occasion of its hole accurately aliging at sheet metal.It may drop in the pipe.So just must fetch with other devices.
Summary of the invention
The purpose of this invention is to provide a kind of system that is used for removing chip from the inside of fluid power profiled part.
Therefore, the invention provides a kind of fluid power shaped device, it has several and is installed in mould structure on the forcing press, is used for moving back and forth between the opening and closing state.Mould structure has the die surface that cooperatively interacts, and is used to form die cavity when being in closed condition, is used to hold the metal tube blank when being in open mode.Fluid power moulding fluid feed system has movably tubular end connected structure, with optionally and sealing ground engage with the two ends of tubular blank.Fluid power moulding fluid feed system provides pressure fluid so that tubular blank outwards expands and be consistent with the die cavity shape to the inside of tubular blank.There is a drift in the passage of at least one mould structure, to extend.Drift can move between withdrawal and extended position.Drift drive unit driving drift moves between withdrawal and extended position and portals in expandable tubular blank upper punch.Rinse-system is communicated with die cavity, with the flow through flushing liquor stream of tubular blank inside of formation.
According to another aspect of the present invention, provide a kind of method of on fluid power forming metal pipe, making the hole and removing the chip that sweeps away from it.On forcing press, provide several mould structures, be used between the opening and closing state, moving back and forth.Mould structure has the die surface that cooperatively interacts, and is used to form die cavity when being in closed condition.This mould structure provides under open mode.The metal tube blank is placed die cavity.Closing molding structure then.To the tubular blank internal pressurization,, thereby form the tubular blank that expands with fluid so that tubular blank expands and be consistent with the die cavity shape.The stressed tubular blank of expansion that passes of drift is to go out the hole thereon.Then to the inner release of pressure of the tubular blank that expands.The tubular blank that fluid is flowed through expand goes out blank inside with the partial flushing under the punching press of the tubular blank that will expand.
To brief description of drawings
Fig. 1 is the schematic sectional view according to the fluid power shaped device of fluid power sting device and sheet metal detachment system in the described tool mould of the principle of the invention, has also represented to insert between the fluid power moulding preparatory stage tubular metal blank in the fluid power shaped device;
Fig. 2 is similar to Fig. 1, but has represented the expanding metal pipe after the fluid power moulding;
Fig. 3 is the partial enlarged drawing of fluid power shaped device shown in Figure 2, has represented the details of the fluid power puncture decompressor when drift is in retracted position;
Fig. 4 is similar to Fig. 2, but has represented the drift that is positioned at extended position after the punching in the pipe of expanding metal;
Fig. 5 is the enlarged partial view similar to Fig. 3, but has represented the drift that is positioned at extended position after the punching in the pipe of expanding metal; And
Fig. 6 is similar to Fig. 4, but has represented to be rinsed out the punched metal sheet of expanding metal pipe.
Detailed description of preferred embodiments
Now please especially referring to accompanying drawing, Fig. 1 has represented that usually it has embodied principle of the present invention with the schematic sectional view of the fluid power shaped device of sequence number 10 indications.Fluid power shaped device 10 comprises the fluid power forming press, usually with sequence number 12 indications, it have a upper support structure 14, lower support structure 16 and vertically supporting construction 18. these fluid power shaped devices 10 mould structure of cooperation is equipped with, it comprises a upper die structure 20 and a lower mould structure 2l.Upper die structure 20 can lifting so that mould structure 20,21 can move opening and closing between the position.Mould structure 20,21 shown in Fig. 1 is in the closed position.Mould 20,21 has die surface 22, and when mould 20,21 was in the closed position, die surface 22 had formed the die cavity 23 of sealing.The shape and size of die cavity 23 are configured to the intended shape and the size of the parts that will form through the fluid power processing and forming.Fig. 1 has represented a tubular metal blank 24, and it has been placed in the die cavity 23 with the fluid power moulding.The two ends of tubular metal blank 24 are by the terminal connected structure of a pair of hydraulic tube or " hydraulic pressure plug " 25 sealed engagement, and described hydraulic pressure plug 25 can be moved to different positions in the driving of hydraulic actuator 26.Each stopper 25 all has central authorities mouthfuls 27, by this opening 27, the high fluid power moulding fluid of pressure (for example, about 10,000atms) will inject tubular metal blank 24.
Have a reciprocating fluid power puncture decompressor to be manufactured at least one mould structure 20,21, this decompressor with sequence number 50 indications, is represented in Fig. 3 usually in detail.
Fluid power shaped device 10 is equipped with a flush fluid system, and with sequence number 30 indications, it is communicated with die cavity 23 usually.Flush fluid system 30 is used to remove parts or " sheet metal " 86 (as shown in Figure 4) under the punching press of a slice at least on the expanding metal pipe 24.Flush fluid system 30 comprises that one is positioned at the flush fluid import 32 of die cavity 23 1 ends and flush fluid that one is positioned at die cavity 23 other ends outlet 33.Preferably two mouths 32,33 all take shape in the lower mould structure 21, as shown in the figure.Flush fluid system 30 preferably includes a chip separator with sequence number 34 indications, and it has sieve or silk screen 36.In addition, the flush fluid system preferably includes a fluid container 38, and it can be used for storing and/or circulation flushing fluid (if desired).Flush fluid system 30 also comprises connection lead pipe 42 and a circulator 40, and described circulator 40 is used to make the flush fluid circulation to pass flush fluid system 30.
Referring now to Fig. 3,, it has more specifically represented fluid power puncture decompressor 50.Decompressor 50 is used for going out hole 84 (as shown in Figure 4) at expanding metal pipe 24.Can in one or several mould structures 20,21, make the decompressor 50 of any amount of similar design form.Decompressor comprises that a drift in mould structure holds passage 51, and by this passage 51, drift 52 can move between withdrawal and extended position.Drift 52 by means of the lip ring 53 between itself and the passage with respect to passage 51 to slide and the mode of sealing moves.Decompressor 50 comprises a drift drive assembly, and with sequence number 54 indications, it is used to drive drift 52 and moves between withdrawal and extended position usually.At retracted position, the end surface 55 of drift 52 is concordant, and helps to determine die cavity 23.Drive assembly 54 comprises a drift driver 56, and it can be a hydraulic cylinder that links to each other with drift piston 58.Drift piston 58 can move between withdrawal and extended position.Drift 52 crosses opening 62 in the drift actuator housing 60 in the mode that is equivalent to opening 62 and slides.
The operation of fluid power shaped device 10 is described below.Referring to Fig. 2, metal tube 24 expands under fluid power moulding fluid pressure and is consistent with the shape of the inner surface 22 of die cavity 23, and engages with the working surface 55 of drift 52 on the retracted position.In order to keep the predetermined wall thickness of expanding metal pipe 24, hydraulic pressure plug 25 is stressed inwardly mobile mutually towards the other side, to form metal flow in pipe 24 when pipe 24 expands.
In Fig. 4, drift driver or hydraulic cylinder 56 start and driving drift piston 58 enters extended position.This move makes after metal tube 24 expands and be consistent with die surface 22, drive drift 52 and move to extended position from retracted position, portal 84 thereby force drift 52 to pass expanding metal pipe 24 to manage 24 upper punches in the expanding metal, and form sheet metal 86 thus.Manage in 24 in the expanding metal, fluid power moulding fluid keeps high pressure, to form the inner support power to managing 24 in the punching operation, to prevent the distortion by drift 52 expanding metal pipe 24 of generation in the zone of contiguous punching hole 84.Mould structure 20,21 is maintained in its closed position, and expanding metal pipe 24 keeps engaging with the surface 22 of die cavity 23.At extended position, drift 52 is used for being sealed in pipe 24 holes of going out 84, thereby helps the fluid in the holding tube 24, to prevent that fluid spills from managing 24 in follow-up sheet metal flushing operation.
Fig. 5 has represented to be in the drift 52 of extended position in more detail.Sheet metal breaks away from fluid inlet 82 and is communicated with sheet metal disengaging fluid pressure chamber 79, flows through sheet metal disengaging fluid openings 80 thereby allow sheet metal to break away from fluid.
Referring to Fig. 6, at least one hydraulic pressure plug 25, the i.e. stopper of contiguous at least outlet 33, but two stoppers preferably move and break away from the state that engages with the end seal of expanding metal pipe 24, thereby make the fluid power moulding fluid decompression of managing in 24.Hydraulic pressure plug 25 was positioned at and can makes that flush fluid is easier to flow and from managing 24 positions of removing sheet metals 86 this moment.Mould structure 20,21 is maintained in its closed position and flush fluid system 30 is communicated with die cavity 23, to form the flushing liquor stream of managing 24 internal flows towards the expanding metal.
Usually, sheet metal 86 may keep engaging with the terminal working surface 55 of drift 52.If be in this situation, the invention provides multiple mode and sheet metal 86 is broken away from from the terminal working surface 55 of drift 52.
In one embodiment, sheet metal 86 can break away from the pressure effect lower stress of sheet metal detachment system 70 end surface 55 from drift 52, and described pressure can force liquid to pass fluid openings 80 and sheet metal 86 is broken away from from the working surface 55 of drift 52.Form can adopt drift driver 56 back and forth to drive drift 52 apace as an alternative, so that sheet metal 86 is from working surface 55 disengagings of drift 52.
In another embodiment, only the flush fluid that flows through pipe 24 fast by being provided by flush fluid system 30 forces sheet metal 86 to break away from from the terminal working surface 55 of drift 52.
Although the present invention is at accompanying drawing and above be able to detailed expression and description; and they all should be thought schematically and be not restriction to feature; but it should also be understood that shown in this paper and described preferred embodiment and improvement within the scope of the appended claims and distortion are protected by the present invention all.
Claims (16)
1. fluid power shaped device, it comprises:
Several are installed in the mould structure on the forcing press, be used between the opening and closing state, moving back and forth, described mould structure has the die surface that cooperatively interacts, and is used to form die cavity when being in closed condition, is used to hold the metal tube blank when being in open mode;
A fluid power moulding fluid feed system, it has the tubular end connected structure, described connected structure can move with optionally and sealing ground engage with the two ends of described tubular blank, described fluid power moulding fluid feed system provides pressure fluid to the inside of described tubular blank, and is consistent with the die cavity shape and enter swelling state so that tubular blank outwards expands;
A drift, it extends in the passage of at least one described mould structure, and described drift can move between withdrawal and extended position;
A drift drive unit, it operationally links to each other with described drift, to drive drift between withdrawal and extended position, and after described tubular blank has expanded and entered described swelling state, portals in described expandable tubular blank upper punch; It is characterized in that, also comprise:
A flush fluid system, it is communicated with described die cavity, forms the flushing liquor stream of the tubular blank inside of flowing through, and carries out with the end of the part under being stamped of the tubular blank that will expand from this tubular blank.
2. fluid power shaped device as claimed in claim 1, it is characterized in that, described drift has a working surface, when described drift is positioned at described retracted position, the die surface coplane of described working surface and described die cavity, and when described drift was positioned at described extended position, described working surface reached in the described die cavity.
3. fluid power shaped device as claimed in claim 2, it is characterized in that, described drift has a fluid passage that is communicated with the drift working surface, the fluid that is communicated with pressure fluid source can be transferred by described fluid passage, leaves the working surface of described drift with the part under the punching press that forces described tubular blank.
4. fluid power shaped device as claimed in claim 3 is characterized in that, when described drift was positioned at described extended position, described fluid passage was communicated with described pressure fluid source.
5. fluid power shaped device as claimed in claim 4 is characterized in that, described drift drive unit comprises a housing, and described housing has an opening, and described drift extends through described opening.
6. fluid power shaped device as claimed in claim 5, it is characterized in that, the inside of described housing and described pressure fluid source are isolated, described fluid passage has an import, this import is positioned at following position, promptly described opening is communicated with enclosure interior when drift is in retracted position, and described opening is positioned at hull outside when drift is in extended position.
7. fluid power shaped device as claimed in claim 6 is characterized in that described pressure fluid is a gas.
8. fluid power shaped device as claimed in claim 1 is characterized in that, described drift remains on described extended position between described flush fluid flow periods.
9. fluid power shaped device as claimed in claim 1 is characterized in that, described drift moves back and forth between described flush fluid flow periods.
10. fluid power shaped device as claimed in claim 1 is characterized in that, described tubular end connected structure withdrawal is disengaged with the end with described tubular blank, to open the communication passage of described flush fluid system and tubular blank inside.
11. fluid power shaped device as claimed in claim 1, it is characterized in that, described flush fluid system comprises, a chip separator that receives described flushing liquor stream from described die cavity, one is used to the circulator of realizing that described flushing liquor stream flows for described flushing liquor stream provides the fluid container of fluid source and one.
12. the method for making the hole and removing the chip that sweeps away from it on fluid power forming metal pipe, described method comprises:
Provide several to be installed in mould structure on the forcing press, form between the opening and closing state and move back and forth, described mould structure has the die surface that cooperatively interacts, and is used to form die cavity when being in closed condition, and described mould structure is in open mode;
The metal tube blank is placed die cavity;
The closing molding structure;
To described tubular blank internal pressurization, so that tubular blank expansion and consistent with the die cavity shape, thereby the tubular blank that expands formed;
Make that drift is stressed to pass described tubular blank to portal in the tubular blank upper punch that expands;
It is characterized in that, also comprise:
To the inner release of pressure of the tubular blank of described expansion;
The flow through tubular blank of described expansion of flush fluid with the inside of the partial flushing under being stamped of the tubular blank that will expand by the tubular blank of described expansion, and carries out from an end of this tubular blank.
13. method as claimed in claim 12, it is characterized in that, described drift has a fluid passage that is communicated with the drift working surface, and said method comprising the steps of, provide pressure fluid by described fluid passage, leave the working surface of described drift with the part under the punching press that forces described tubular blank.
14. method as claimed in claim 12 is characterized in that, described method is included in the step that moves back and forth described drift during the step of described flush fluid.
15. method as claimed in claim 12 is characterized in that, described release of pressure step comprises the step of the communication passage of the tubular blank inside of opening flush fluid system and expansion.
16. method as claimed in claim 12 is characterized in that, during the step of described flush fluid, described drift remains on the extended position of the inside that reaches described expandable tubular blank.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18378300P | 2000-02-22 | 2000-02-22 | |
US60/183,783 | 2000-02-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1404423A CN1404423A (en) | 2003-03-19 |
CN1283383C true CN1283383C (en) | 2006-11-08 |
Family
ID=22674260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB01805448XA Expired - Lifetime CN1283383C (en) | 2000-02-22 | 2001-02-13 | Hydroforming flush system |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP1274523B1 (en) |
JP (1) | JP5016174B2 (en) |
KR (1) | KR100667142B1 (en) |
CN (1) | CN1283383C (en) |
AU (1) | AU2001233534A1 (en) |
BR (1) | BR0108598A (en) |
CA (1) | CA2400730C (en) |
DE (2) | DE1274523T1 (en) |
MX (1) | MXPA02008154A (en) |
WO (1) | WO2001062410A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101323013A (en) * | 2007-06-12 | 2008-12-17 | 特拉华机器及工具公司 | Die-casting apparatus |
Families Citing this family (19)
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AU2003290762A1 (en) * | 2002-11-12 | 2004-06-03 | Cosma International | Method of forming hydroformed member with opening |
DE102007017420B4 (en) * | 2007-04-13 | 2016-11-17 | Daimler Ag | Method and device for producing a hollow profile |
CN101927299B (en) * | 2009-06-19 | 2012-05-30 | 上海交运股份有限公司汽车零部件分公司 | Mechanical pipe fitting bulging device |
KR101228723B1 (en) * | 2010-07-09 | 2013-02-01 | 주식회사 포스코 | Punch Device for Hydro Forming |
KR101289098B1 (en) * | 2011-12-27 | 2013-07-23 | 주식회사 포스코 | Hydroforming mold apparatus |
TWI504451B (en) * | 2012-09-14 | 2015-10-21 | Ind Tech Res Inst | Method and device for producing a tube by hydroforming |
CN104338818B (en) * | 2013-08-01 | 2016-12-28 | 浙江摩多巴克斯科技股份有限公司 | A kind of internal high pressure forming equipment |
JP6326224B2 (en) | 2013-12-09 | 2018-05-16 | 住友重機械工業株式会社 | Molding equipment |
JP6168524B2 (en) * | 2014-03-10 | 2017-07-26 | 有限会社 シバ金型 | Processing equipment |
KR101630963B1 (en) * | 2014-11-21 | 2016-06-16 | 주식회사 포스코 | Hydroforming apparatus |
CN104874663B (en) * | 2015-04-21 | 2017-07-28 | 西北工业大学 | A kind of increment type temperature difference expanding method of metal pipe material |
CN105033014B (en) * | 2015-07-09 | 2017-02-01 | 杭州东霖染整机械有限公司 | Water pressure molding technology for large-radius barrel of dyeing machine |
CN106671207A (en) * | 2017-03-26 | 2017-05-17 | 义乌市源德进出口有限公司 | Wood board cutting device |
JP6990519B2 (en) * | 2017-03-30 | 2022-01-12 | 住友重機械工業株式会社 | Molding equipment |
CN107520310A (en) * | 2017-09-22 | 2017-12-29 | 太仓久信精密模具股份有限公司 | Slip yoke preform, slip yoke and the manufacturing process of the two |
EP3944909A4 (en) | 2019-03-27 | 2022-05-18 | Sumitomo Heavy Industries, Ltd. | Forming system |
CN112372919B (en) * | 2020-11-13 | 2022-11-04 | 江苏布兰森管业有限公司 | High-pressure forming equipment and method for perforated pipe |
CN112676431A (en) * | 2020-12-11 | 2021-04-20 | 星火智慧(杭州)信息科技有限公司 | Divide water collector inner chamber fluid stamping forming device |
CN112692150A (en) * | 2020-12-11 | 2021-04-23 | 星火智慧(杭州)信息科技有限公司 | Divide water collector internal expanding machine |
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US5890387A (en) * | 1989-08-24 | 1999-04-06 | Aquaform Inc. | Apparatus and method for forming and hydropiercing a tubular frame member |
US5398533A (en) * | 1994-05-26 | 1995-03-21 | General Motors Corporation | Apparatus for piercing hydroformed part |
DE19647962C1 (en) * | 1996-11-20 | 1998-04-16 | Daimler Benz Ag | Method and device for producing holes on the circumference of a hollow profile |
US5816089A (en) * | 1996-11-26 | 1998-10-06 | Dana Corporation | Hydroforming apparatus having in-die hole piercing capabilities and a slug ejection system using hydroforming fluid |
DE19809519C1 (en) * | 1998-03-05 | 1999-07-01 | Daimler Chrysler Ag | Method of removal of core from pressure molded hollow workpiece |
US6067830A (en) * | 1999-07-28 | 2000-05-30 | Ti Corporate Services Limited | Method and apparatus for forming opposing holes in a side wall of a tubular workpiece |
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2001
- 2001-02-13 KR KR1020027010873A patent/KR100667142B1/en active IP Right Grant
- 2001-02-13 WO PCT/CA2001/000164 patent/WO2001062410A2/en active IP Right Grant
- 2001-02-13 JP JP2001561461A patent/JP5016174B2/en not_active Expired - Fee Related
- 2001-02-13 MX MXPA02008154A patent/MXPA02008154A/en active IP Right Grant
- 2001-02-13 CN CNB01805448XA patent/CN1283383C/en not_active Expired - Lifetime
- 2001-02-13 DE DE1274523T patent/DE1274523T1/en active Pending
- 2001-02-13 DE DE60103268T patent/DE60103268T2/en not_active Expired - Lifetime
- 2001-02-13 AU AU2001233534A patent/AU2001233534A1/en not_active Abandoned
- 2001-02-13 CA CA002400730A patent/CA2400730C/en not_active Expired - Lifetime
- 2001-02-13 EP EP01905537A patent/EP1274523B1/en not_active Expired - Lifetime
- 2001-02-13 BR BR0108598-0A patent/BR0108598A/en not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101323013A (en) * | 2007-06-12 | 2008-12-17 | 特拉华机器及工具公司 | Die-casting apparatus |
Also Published As
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KR20020086557A (en) | 2002-11-18 |
WO2001062410A3 (en) | 2002-07-11 |
EP1274523A2 (en) | 2003-01-15 |
EP1274523B1 (en) | 2004-05-12 |
MXPA02008154A (en) | 2003-05-23 |
WO2001062410A2 (en) | 2001-08-30 |
JP2003523286A (en) | 2003-08-05 |
DE1274523T1 (en) | 2003-05-28 |
BR0108598A (en) | 2002-11-12 |
CN1404423A (en) | 2003-03-19 |
KR100667142B1 (en) | 2007-01-12 |
DE60103268D1 (en) | 2004-06-17 |
DE60103268T2 (en) | 2005-05-25 |
JP5016174B2 (en) | 2012-09-05 |
CA2400730C (en) | 2008-10-07 |
AU2001233534A1 (en) | 2001-09-03 |
CA2400730A1 (en) | 2001-08-30 |
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