CN1314496C - Pre-forming device in hollow structure high-pressure forming process - Google Patents
Pre-forming device in hollow structure high-pressure forming process Download PDFInfo
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- CN1314496C CN1314496C CNB2005100096467A CN200510009646A CN1314496C CN 1314496 C CN1314496 C CN 1314496C CN B2005100096467 A CNB2005100096467 A CN B2005100096467A CN 200510009646 A CN200510009646 A CN 200510009646A CN 1314496 C CN1314496 C CN 1314496C
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- 238000000034 method Methods 0.000 title description 5
- 210000000245 forearm Anatomy 0.000 claims description 54
- 238000000465 moulding Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000006052 feed supplement Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The present invention discloses a preforming device specially used for the high-pressure forming in a hollow structure part, which is composed of an upper mould, a lower mould and a pressing machine, wherein the top surface of the upper mould is fixedly connected with the lower end of the pressing head of the pressing machine. A first moulding cavity is formed by the lower surface of the upper mould of a left arm, the left surface of the inner mould at the upper side of the left arm, the upper surface of the lower mould of the left arm and the right surface of the movable mould outside the left arm; a second moulding cavity is formed by the lower surface of the upper mould of a right arm, the right surface of the inner mould at the upper side of the right arm, the upper surface of the lower mould of the right arm and the left surface of the movable mould outside the right arm; a third moulding cavity is formed by the lower surface of the upper mould of a front arm, the upper surface of the lower mould of the front arm, the rear surface of the fixed mould of the front arm and the front surface of the movable mould of the front arm. The movable moulds can be driven to move by an oil cylinder, the upper moulds can be driven to move by the pressing machine, and therefor, the sizes of the moulding cavities can be changed to forming pipe materials. The device has the advantage that the materials are previously and reasonably arranged to avoid the defect of flash edges.
Description
Technical field:
The present invention relates to a kind of pre-forming device that is exclusively used in the hollow structural component internal high pressure forming.
Background technology:
In fields such as aircraft, spacecraft and automobiles, alleviate zero, component weight is one of trend of technical development.A kind of advanced manufacturing technology of making hollow light body structure spare that internal high pressure forming develops under such background just, this technology had both improved the strength and stiffness of drip molding, had saved material again, had reduced cost.The basic craft course of this technology is: at first pipe is placed in the counterdie, closed then patrix, two ends water flat punch sealing with pipe, and make and be full of liquid in the pipe, in the process of pressurization bulging, the drift at two ends inwardly advances feed supplement simultaneously, makes pipe recline the mould inside die cavity under the synergy of interior pressure and axle power like this and is configured as required workpiece.For axis is the hollow unit of two dimension or three-dimensional curve, needs earlier the shape of bending pipes to axis of workpiece, and then is put into that press molding goes out desired part in the whole shaping dies.Because the cross sectional shape of the hollow structural component that internal high pressure forming finally processes both can be circular, also can be rectangle, trapezoidal or other profiled-cross-section, axis can be an one dimension, also can be two-dimentional, can also be three-dimensional space curve, therefore being suitable for monolithic molding makes complicated hollow unit.But hollow unit for a complex section; go out rectangle or other shaped cross if want from the circular cross-section one step forming of tubing; when when bending to the nemaline tubing of final shaft parts and put in the middle of the mould; some position of tubing usually can be extruded outside the mold cavity and form the overlap defective in the matched moulds process, causes waste product.It is excessive or be out of shape inhomogeneous also may to occur regional area section deformation amount simultaneously.Therefore the operation that can make reasonable intermediate shape need be set as the preform operation, in the middle of circular section and the rectangle that will be shaped or other shaped cross, a rational cross section be set and control distortion and Thickness Distribution.Preformed shape is directly connected to hollow section shape and size precision, Thickness Distribution, forming pressure and production efficiency.
Summary of the invention:
The purpose of this invention is to provide a kind of pre-forming device that is specifically designed to the hollow structural component internal high pressure forming, it is the reasonable distribution material in advance, obtain rational preform pipe cross sectional shape, avoid tubing overlap defective, reduce the forming pressure in the internal high pressure forming process and shorten the internal high pressure forming working time, increase work efficiency.Technical scheme of the present invention is as follows: a kind of pre-forming device that is used for the hollow structural component internal high pressure forming, it is by patrix 1, counterdie 2 and forcing press 3 are formed, the last end face of patrix 1 is fixedly connected on a 3-1 lower end of exerting pressure of forcing press 3, counterdie 2 is arranged on the below of patrix 1, patrix 1 is by last baffle plate 1-1, left arm upper module 1-2, right arm upper module 1-3, forearm upper module 1-4, left arm upside inner module 1-5, right arm upside inner module 1-6 and lead 1-7 form, be on left one side of something and right one side of something of the left arm upside inner module 1-5 of strip and right arm upside inner module 1-6 is distributed in baffle plate 1-1 respectively along fore-and-aft direction lower surface, left arm upper module 1-2 is fixed on the last baffle plate 1-1 lower surface in left arm upside inner module 1-5 left side, right arm upper module 1-3 is fixed on the last baffle plate 1-1 lower surface on right arm upside inner module 1-6 right side, forearm upper module 1-4 is fixed on the baffle plate 1-1 lower surface, the end of forearm upper module 1-4 contacts with the front end of left arm upside inner module 1-5, the other end of forearm upper module 1-4 contacts with the front end of right arm upside inner module 1-6, counterdie 2 is by following baffle plate 2-1, left arm outside active module 2-2, right arm outside active module 2-3, forearm lower module 2-5, forearm stuck-module 2-6, forearm active module 2-7, left arm lower module 2-4, right arm lower module 2-12, an oil cylinder 2-8, No. two oil cylinder 2-9, No. three oil cylinder 2-10 and pilot hole 2-11 form, left arm lower module 2-4, right arm lower module 2-12 and forearm lower module 2-5 are fixed on down on the baffle plate 2-1 upper surface, left arm outside active module 2-2 is arranged on the left side of left arm lower module 2-4, on the piston rod of No. three oil cylinder 2-10 under left arm outside active module 2-2 is connected and is fixed on the baffle plate 2-1 upper surface, right arm outside active module 2-3 is arranged on the right side of right arm lower module 2-12, on the piston rod of No. two oil cylinder 2-9 under right arm outside active module 2-3 is connected and is fixed on the baffle plate 2-1 upper surface, forearm stuck-module 2-6 is fixed on forearm lower module 2-5 front side, forearm active module 2-7 is arranged on the rear side of forearm lower module 2-5 and is connected on the piston rod that is fixed in an oil cylinder 2-8 on the following baffle plate 2-1 upper surface, the lower surface of left arm upper module 1-2, the left surface of left arm upside inner module 1-5, the right surface of the upper surface of left arm lower module 2-4 and left arm outside active module 2-2 constitutes first die cavity 6, the lower surface of right arm upper module 1-3, the right surface of right arm upside inner module 1-6, the left surface of the upper surface of right arm lower module 2-12 and right arm outside active module 2-3 constitutes second die cavity 7, the lower surface of forearm upper module 1-4, the upper surface of forearm lower module 2-5, the front surface of the rear surface of forearm stuck-module 2-6 and forearm active module 2-7 constitutes the 3rd die cavity 8.When this device uses, the pipe 5 that bends to needed axis shape is installed between the left arm outside active module 2-2 and right arm outside active module 2-3 and forearm stuck-module 2-6 and forearm active module 2-7 of counterdie 2, a 3-1 that exerts pressure of forcing press 3 moves downward, lead 1-7 inserts pilot hole 2-11, patrix 1 is fastened on downwards on the counterdie 2, pipe 5 with regard to matched moulds in first die cavity 6, second die cavity 7 and the 3rd die cavity 8.A 3-1 that exerts pressure continues to exert pressure downwards, simultaneously thereby push the cross sectional shape that makes pipe 5 from the side of pipe 5 identical with the cross sectional shape of first die cavity 6, second die cavity 7 and the 3rd die cavity 8 for oil cylinder 2-8, No. two oil cylinder 2-9, No. three oil cylinder 2-10, promptly finished the preformed of pipe 5.Enlarge the space of die cavity owing to before matched moulds, active module can be drawn back, make active module compress pipe 5 behind the matched moulds again, therefore the distortion of pipe 5 is finished gradually, the defective of overlap can not occur managing, and it is excessive or be out of shape inhomogeneous regional area section deformation amount also can not occur.Device of the present invention has in addition adopted hydraulically powered structure, sliding block comes controlled motion by hydraulic-driven, can accurately control stroke dimension, dynamically accurately control the size of die cavity horizontal direction easily, can realize very high control accuracy, the cavity dimension of vertical direction is controlled by the height of matched moulds.This device has high efficiency, and the advantage that applicability is strong has broad application prospects in the lightweight manufacturing of various structures.
Description of drawings:
Fig. 1 is a structural representation of the present invention, Fig. 2 be among Fig. 1 patrix 1 look up structural representation, Fig. 3 is the vertical view of counterdie 2 among Fig. 1, Fig. 4 is the composition structural representation of first die cavity 6, Fig. 5 is the composition structural representation of second die cavity 7, and Fig. 6 is the composition structural representation of the 3rd die cavity 8.
The specific embodiment:
The specific embodiment one: specify present embodiment below in conjunction with Fig. 1 to Fig. 6.It is by patrix 1, counterdie 2 and forcing press 3 are formed, the last end face of patrix 1 is fixedly connected on a 3-1 lower end of exerting pressure of forcing press 3, counterdie 2 is arranged on the below of patrix 1, patrix 1 is by last baffle plate 1-1, left arm upper module 1-2, right arm upper module 1-3, forearm upper module 1-4, left arm upside inner module 1-5, right arm upside inner module 1-6 and lead 1-7 form, be the left arm upside inner module 1-5 of strip and right arm upside inner module 1-6 respectively fore-and-aft direction be distributed on left one side of something and right one side of something of lower surface of baffle plate 1-1, left arm upper module 1-2 is fixed on the last baffle plate 1-1 lower surface in left arm upside inner module 1-5 left side, right arm upper module 1-3 is fixed on the last baffle plate 1-1 lower surface on right arm upside inner module 1-6 right side, forearm upper module 1-4 is fixed on the baffle plate 1-1 lower surface, the end of forearm upper module 1-4 contacts with the front end of left arm upside inner module 1-5, the other end of forearm upper module 1-4 contacts with the front end of right arm upside inner module 1-6, counterdie 2 is by following baffle plate 2-1, left arm outside active module 2-2, right arm outside active module 2-3, forearm lower module 2-5, forearm stuck-module 2-6, forearm active module 2-7, left arm lower module 2-4, right arm lower module 2-12, an oil cylinder 2-8, No. two oil cylinder 2-9, No. three oil cylinder 2-10 and pilot hole 2-11 form, left arm lower module 2-4, right arm lower module 2-12 and forearm lower module 2-5 are fixed on down on the baffle plate 2-1 upper surface, left arm outside active module 2-2 is arranged on the left side of left arm lower module 2-4, on the piston rod of No. three oil cylinder 2-10 under left arm outside active module 2-2 is connected and is fixed on the baffle plate 2-1 upper surface, right arm outside active module 2-3 is arranged on the right side of right arm lower module 2-12, on the piston rod of No. two oil cylinder 2-9 under right arm outside active module 2-3 is connected and is fixed on the baffle plate 2-1 upper surface, forearm stuck-module 2-6 is fixed on forearm lower module 2-5 front side, forearm active module 2-7 is arranged on the rear side of forearm lower module 2-5 and is connected on the piston rod that is fixed in an oil cylinder 2-8 on the following baffle plate 2-1 upper surface, the lower surface of left arm upper module 1-2, the left surface of left arm upside inner module 1-5, the right surface of the upper surface of left arm lower module 2-4 and left arm outside active module 2-2 constitutes first die cavity 6, the lower surface of right arm upper module 1-3, the right surface of right arm upside inner module 1-6, the left surface of the upper surface of right arm lower module 2-12 and right arm outside active module 2-3 constitutes second die cavity 7, the lower surface of forearm upper module 1-4, the upper surface of forearm lower module 2-5, the front surface of the rear surface of forearm stuck-module 2-6 and forearm active module 2-7 constitutes the 3rd die cavity 8.
The specific embodiment two: specify present embodiment below in conjunction with Fig. 2.The difference of present embodiment and embodiment one is: it also comprises left comer sliding block 1-8, right corner sliding block 1-9, No. four oil cylinder 1-10 and No. five oil cylinder 1-11, left comer sliding block 1-8 is arranged on the front left side of left arm upper module 1-2 and forearm upper module 1-4 junction, left comer sliding block 1-8 is connected on the piston rod that is fixed in No. four oil cylinder 1-10 on the baffle plate 1-1 lower surface, right corner sliding block 1-9 is arranged on the forward right side of right arm upper module 1-3 and forearm upper module 1-4 junction, and right corner sliding block 1-9 is connected on the piston rod that is fixed in No. five oil cylinder 1-11 on the baffle plate 1-1 lower surface.So be provided with, help the shaping of pipe 5 at edge.Other composition is identical with embodiment one with connected mode.Left comer sliding block 1-8, right corner sliding block 1-9, No. four oil cylinder 1-10 and No. five oil cylinder 1-11 also can be arranged on the counterdie 2, in addition many group oil cylinders and sliding block can also be set on the counterdie 2 so that the shaping of the complex-shaped hollow structural component of axis.
The specific embodiment three: specify present embodiment below in conjunction with Fig. 4 to Fig. 6.The difference of present embodiment and embodiment one is: the cross sectional shape of first die cavity 6, second die cavity 7 and the 3rd die cavity 8 is rectangle, square, trapezoidal, oval, polygon or curved surface shaped.Present embodiment is formed the die cavity of various cross sectional shapes by changing the shape on four surfaces up and down that participates in moulding, thereby finishes the preform of various cross sectional shape tubing.
Claims (3)
1, a kind of pre-forming device that is used for the hollow structural component internal high pressure forming, it is by patrix (1), counterdie (2) and forcing press (3) are formed, the last end face of patrix (1) is fixedly connected on head (3-1) lower end of exerting pressure of forcing press (3), counterdie (2) is arranged on the below of patrix (1), it is characterized in that patrix (1) is by last baffle plate (1-1), left arm upper module (1-2), right arm upper module (1-3), forearm upper module (1-4), left arm upside inner module (1-5), right arm upside inner module (1-6) and lead (1-7) are formed, be on left one side of something and right one side of something of the left arm upside inner module (1-5) of strip and right arm upside inner module (1-6) is distributed in baffle plate (1-1) respectively along fore-and-aft direction lower surface, left arm upper module (1-2) is fixed on last baffle plate (1-1) lower surface in left arm upside inner module (1-5) left side, right arm upper module (1-3) is fixed on last baffle plate (1-1) lower surface on right arm upside inner module (1-6) right side, forearm upper module (1-4) is fixed on baffle plate (1-1) lower surface, one end of forearm upper module (1-4) contacts with the front end of left arm upside inner module (1-5), the other end of forearm upper module (1-4) contacts with the front end of right arm upside inner module (1-6), counterdie (2) is by following baffle plate (2-1), left arm outside active module (2-2), right arm outside active module (2-3), forearm lower module (2-5), forearm stuck-module (2-6), forearm active module (2-7), left arm lower module (2-4), right arm lower module (2-12), an oil cylinder (2-8), No. two oil cylinders (2-9), No. three oil cylinders (2-10) and pilot hole (2-11) are formed, left arm lower module (2-4), right arm lower module (2-12) and forearm lower module (2-5) are fixed on down on baffle plate (2-1) upper surface, left arm outside active module (2-2) is arranged on the left side of left arm lower module (2-4), on the piston rod of No. three oil cylinders (2-10) under left arm outside active module (2-2) is connected and is fixed on baffle plate (2-1) upper surface, right arm outside active module (2-3) is arranged on the right side of right arm lower module (2-12), on the piston rod of No. two oil cylinders (2-9) under right arm outside active module (2-3) is connected and is fixed on baffle plate (2-1) upper surface, forearm stuck-module (2-6) is fixed on forearm lower module (2-5) front side, forearm active module (2-7) is arranged on the rear side of forearm lower module (2-5) and is connected on the piston rod that is fixed in the oil cylinder (2-8) on following baffle plate (2-1) upper surface, the lower surface of left arm upper module (1-2), the left surface of left arm upside inner module (1-5), the right surface of the upper surface of left arm lower module (2-4) and left arm outside active module (2-2) constitutes first die cavity (6), the lower surface of right arm upper module (1-3), the right surface of right arm upside inner module (1-6), the left surface of the upper surface of right arm lower module (2-12) and right arm outside active module (2-3) constitutes second die cavity (7), the lower surface of forearm upper module (1-4), the upper surface of forearm lower module (2-5), the front surface of the rear surface of forearm stuck-module (2-6) and forearm active module (2-7) constitutes the 3rd die cavity (8).
2, a kind of pre-forming device that is used for the hollow structural component internal high pressure forming according to claim 1, it is characterized in that it also comprises left comer sliding block (1-8), right corner sliding block (1-9), No. four oil cylinders (1-10) and No. five oil cylinders (1-11), left comer sliding block (1-8) is arranged on the front left side of left arm upper module (1-2) and forearm upper module (1-4) junction, left comer sliding block (1-8) is connected on the piston rod that is fixed in No. four oil cylinders (1-10) on baffle plate (1-1) lower surface, right corner sliding block (1-9) is arranged on the forward right side of right arm upper module (1-3) and forearm upper module (1-4) junction, and right corner sliding block (1-9) is connected on the piston rod that is fixed in No. five oil cylinders (1-11) on baffle plate (1-1) lower surface.
3, a kind of pre-forming device that is used for the hollow structural component internal high pressure forming according to claim 1, the cross sectional shape that it is characterized in that first die cavity (6), second die cavity (7) and the 3rd die cavity (8) are rectangle, square, trapezoidal, oval, polygon or curved surface shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100096467A CN1314496C (en) | 2005-01-19 | 2005-01-19 | Pre-forming device in hollow structure high-pressure forming process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100096467A CN1314496C (en) | 2005-01-19 | 2005-01-19 | Pre-forming device in hollow structure high-pressure forming process |
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| CN1644263A CN1644263A (en) | 2005-07-27 |
| CN1314496C true CN1314496C (en) | 2007-05-09 |
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| CNB2005100096467A Expired - Fee Related CN1314496C (en) | 2005-01-19 | 2005-01-19 | Pre-forming device in hollow structure high-pressure forming process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102744344A (en) * | 2012-07-30 | 2012-10-24 | 嘉禾县刀王刀具有限公司 | Knife back forming machine |
| CN102806248A (en) * | 2012-08-06 | 2012-12-05 | 哈尔滨工业大学 | Device and method for testing real-time changes of fillet radius along with internal pressure in internal high-pressure forming process |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5415021A (en) * | 1993-10-29 | 1995-05-16 | Folmer; Carroll W. | Apparatus for high pressure hydraulic forming of sheet metal blanks, flat patterns, and piping |
| CN2209564Y (en) * | 1994-11-22 | 1995-10-11 | 江苏省扬州市客车制造总厂 | Rectangular tube small curvature radius bender |
| US5715718A (en) * | 1996-02-27 | 1998-02-10 | Benteler Automotive Corporation | Hydroforming offset tube |
| CN1037416C (en) * | 1993-07-12 | 1998-02-18 | 张常功 | Angle steel pressing forming machine |
| DE19653509A1 (en) * | 1996-12-20 | 1998-06-25 | Volkswagen Ag | Frame structure for vehicle body |
| CN2496575Y (en) * | 2001-05-17 | 2002-06-26 | 孙鑫茂 | Bending machine to control bending form angle |
| JP2003126923A (en) * | 2001-10-24 | 2003-05-08 | Honda Motor Co Ltd | Method of forming tubular member |
| CN2664807Y (en) * | 2003-12-23 | 2004-12-22 | 庄添财 | Spinning forming machine |
-
2005
- 2005-01-19 CN CNB2005100096467A patent/CN1314496C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037416C (en) * | 1993-07-12 | 1998-02-18 | 张常功 | Angle steel pressing forming machine |
| US5415021A (en) * | 1993-10-29 | 1995-05-16 | Folmer; Carroll W. | Apparatus for high pressure hydraulic forming of sheet metal blanks, flat patterns, and piping |
| CN2209564Y (en) * | 1994-11-22 | 1995-10-11 | 江苏省扬州市客车制造总厂 | Rectangular tube small curvature radius bender |
| US5715718A (en) * | 1996-02-27 | 1998-02-10 | Benteler Automotive Corporation | Hydroforming offset tube |
| DE19653509A1 (en) * | 1996-12-20 | 1998-06-25 | Volkswagen Ag | Frame structure for vehicle body |
| CN2496575Y (en) * | 2001-05-17 | 2002-06-26 | 孙鑫茂 | Bending machine to control bending form angle |
| JP2003126923A (en) * | 2001-10-24 | 2003-05-08 | Honda Motor Co Ltd | Method of forming tubular member |
| CN2664807Y (en) * | 2003-12-23 | 2004-12-22 | 庄添财 | Spinning forming machine |
Non-Patent Citations (4)
| Title |
|---|
| 汽车副架液压胀形预成形工艺设计的数值模拟 雷丽萍，等，塑性工程学报，第2卷第9期 2002 * |
| 管件内高压成形及其在汽车工业中的应用现状 郎利辉，等，中国机械工程，第3卷第15期 2004 * |
| 管件内高压成形及其在汽车工业中的应用现状 郎利辉，等，中国机械工程，第3卷第15期 2004;轿车副车架内高压成形 苑世剑，等，锻压技术，第3卷 2004;汽车副架液压胀形预成形工艺设计的数值模拟 雷丽萍，等，塑性工程学报，第2卷第9期 2002 * |
| 轿车副车架内高压成形 苑世剑，等，锻压技术，第3卷 2004 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744344A (en) * | 2012-07-30 | 2012-10-24 | 嘉禾县刀王刀具有限公司 | Knife back forming machine |
| CN102744344B (en) * | 2012-07-30 | 2014-12-24 | 嘉禾县刀王刀具有限公司 | Knife back forming machine |
| CN102806248A (en) * | 2012-08-06 | 2012-12-05 | 哈尔滨工业大学 | Device and method for testing real-time changes of fillet radius along with internal pressure in internal high-pressure forming process |
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| Publication number | Publication date |
|---|---|
| CN1644263A (en) | 2005-07-27 |
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