CN106363083A - Flexible bending mold and machining method for rapidly forming large-curvature profile piece - Google Patents
Flexible bending mold and machining method for rapidly forming large-curvature profile piece Download PDFInfo
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- CN106363083A CN106363083A CN201610786725.7A CN201610786725A CN106363083A CN 106363083 A CN106363083 A CN 106363083A CN 201610786725 A CN201610786725 A CN 201610786725A CN 106363083 A CN106363083 A CN 106363083A
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- section bar
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- woollen
- bending mold
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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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
- B21D53/00—Making other particular articles
- B21D53/92—Making other particular articles other parts for aircraft
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention provides a flexible bending mold and a machining method for rapidly forming a large-curvature profile piece. The flexible bending mold comprises a plurality of telescopic shape adjusting mechanisms which are sequentially and vertically arranged in the same horizontal direction. Each shape adjusting mechanism comprises a shape adjusting body. The top of each shape adjusting body is connected with a shape adjusting head. The bottom of each shape adjusting body is connected with a linkage mechanism in a telescopic mode. A shape adjusting motor is connected to the free end of each linkage mechanism. The shape adjusting motors are connected with a controller. The flexible bending mold further comprises a shape maintaining box for containing the shape adjusting mechanisms, and an insulating pad laid on the tops of the shape adjusting heads. The invention further discloses the machining method for rapidly forming the large-curvature profile piece through the flexible bending mold. The machining method comprises the steps of profile blank feeding, theoretical shape adjusting of the flexible bending mold, installation of the insulating pad and a profile blank, pre-tension bending, springback shape adjusting of the flexible bending mold, secondary bending, allowance cutting and the like. The flexible bending mold and the machining method for rapidly forming the large-curvature profile piece have the advantages that the economical efficiency is good, the precision of the machined profile piece is high, and the production cycle can be shortened.
Description
Technical field
The present invention relates to mechanical manufacturing field, specifically, it is a kind of flexibility bending mold and quick shaping deep camber type
The processing method of material part.
Background technology
Seating plane is inexpensive with the modern times, the short cycle, high-precision development demand, section bar part is because of process is simple, one-tenth
This low factor is selected in a large number by civil aircraft, and has the development trend progressively replacing traditional numeric-control load-carrying member.Typical case is civilian
Its end surface shape of section bar part of passenger plane is " t " shape, middle generally 75 °～80 ° of deep camber arcuate shape, two section bars zero
Part can support the passenger cabin section body of seating plane substantially.At present, for curved section bars part, each section bar part needs supporting
One application-specific entity mould, using tangible mold stretch wrap forming, the difficulty of processing of tangible mold is big, differential profiles is adopted special
Tangible mold manufacturing cost high it is impossible to realizing flexibility manufacture and causing substantial amounts of reprocessing or wave after airplane component is changed
Take it is impossible to enough adapt to the demand of rapid development, simultaneously in section bar after using application-specific entity mould stretch wrap forming, because of material rebounds
, there is gap between section bar part and tangible mold it is impossible to carry out springback compensation, section bar part using application-specific entity mould in factor
The accuracy of manufacture low；Now need a kind of flexible bending mold of processing deep camber section bar part and using this mould come rapid shaping
The processing method of deep camber section bar part is solving the above problems.
Content of the invention
An object of the present invention is to design a kind of flexibility bending mold, and another object is quick using this mould
Shape deep camber section bar part, economical good, the section bar element precision of processing is high, the advantage that can shorten the production cycle.
The present invention is achieved through the following technical solutions: a kind of flexibility bending mold, erects successively including along same level direction
Multiple Tiao Xing mechanisms that can stretch of straight setting, described Tiao Xing mechanism includes adjusting body, and the top of described tune body is connected with
Adjust forming head, the bottom of described tune body is telescopic to be connected with link gear, and the free end of described link gear is connected with tune shape
Motor, described tune shape motor connection has controller.
Further to better implement the present invention, following setting structures are especially adopted: also include tieing up shape case, described dimension shape
Case has the rectangular box body of opening for top；Described tune body is the cube shaped cylinder mating with the inwall of dimension shape case, institute
Shu Tiao shape mechanism is arranged on the inside of dimension shape case.
Further to better implement the present invention, following setting structures are especially adopted: the inside setting of described dimension shape case
There is the dividing plate parallel with the base plate of dimension shape case, described dividing plate offers through hole；Described tune shape motor be arranged on described base plate with
Between dividing plate, the main shaft of shape motor is adjusted to be in transmission connection through through hole with the link gear being arranged on above dividing plate.
Further to better implement the present invention, following setting structures are especially adopted: described link gear includes and adjusts
Shaft coupling and the threaded rod being connected to shaft coupling free end that the main shaft of shape motor connects；Described tune body offers along its axis
Tapped through hole, the bottom of described tune forming head is provided with screw rod；The described top adjusting body is passed through tapped through hole and is adjusted the spiral shell of forming head
Bar is detachably connected, and adjusts the bottom of body to be in transmission connection by the threaded rod of tapped through hole and link gear.
Further to better implement the present invention, following setting structures are especially adopted: the top of described tune forming head is circle
Arc and offer termination groove.
Further to better implement the present invention, following setting structures are especially adopted: also include isolating pad, isolating pad spreads
It is located at the top adjusting forming head.
Further to better implement the present invention, following setting structures are especially adopted: the material of described isolating pad is soft
Aluminum or copper, the thickness of described isolating pad is 2-3mm.
Further to better implement the present invention, following setting structures are especially adopted: described tune shape motor is stepping electricity
Machine.
A kind of flexible processing method of quick shaping deep camber section bar part, comprises the following steps:
Step s1: lower sectional material woollen；
Step s2: flexible bending mold theory shape adjusts shape: controller according to the shape of section bar part to be processed, deduction every
After the thickness of pad, calculate the working time of each tune shape motor, thus driving each to adjust body to move, thus driving tune
Forming head moves to corresponding position, multiple tune forming heads collective fit to out deduction isolating pad after section bar part shape；
Step s3: install isolating pad, section bar woollen: isolating pad is laid in tune forming head, afterwards by the two of section bar woollen
End is arranged on locking pliers, and makes locking pliers clamp the two ends of section bar woollen；
Step s4: pre- stretch bending: so that locking pliers is moved to down either side, prestretching curved material woollen, the amount of tension of section bar woollen
It is about 3%；
Step s5: shape is adjusted in flexible bending mold resilience: locking pliers is moved upward, and flexible bending mold is according to section bar resilience
Situation calculates again through controller and adjusts out each adjusts position after springback compensation for the forming head；
Step s6: stretch bending again: locking pliers moves to down either side again, stretch bending section bar woollen again, the drawing of section bar woollen
The amount of stretching unclamps locking pliers when being about 3%；
Step s7: cutting surplus: the process allowance at the two ends of section bar woollen after being folded over carries out cutting and removes.
Further to better implement the present invention, following settings are especially adopted: step s1 is specifically by calculating section bar
Length of run in bending drawing process for the woollen, increases the process allowance of 150-200mm respectively, at the two ends of section bar woollen
Lower sectional material woollen afterwards.
Further to better implement the present invention, following settings are especially adopted: in step s3, in described isolating pad uniformly
Scribble lubricant.
Further to better implement the present invention, especially adopt following settings: described lubricant is graphite, lubricating oil or
One of grease.
The present invention compared with prior art, has advantages below and a beneficial effect:
(1) in the present invention, using the Tiao Xing mechanism that can stretch of multiple parallel arranged, can be under the control of the controller
Simulate different curvature, the processing being capable of the section bar part to different curvature, it is achieved that Flexible Manufacture, has been saved and produced into
This, improve economic benefit；
(2) it is not necessary to multiple particular manufacturing craft just can process different section bar parts in the present invention, need not manufacture substantial amounts of special
With mould, save R＆D cycle and early investment, saved production cost；
(3), in the present invention, flexible bending mold can carry out springback compensation to the section bar part of processing, improves section bar zero
The machining accuracy of part；
(4), in the present invention, it is equipped with isolating pad between section bar woollen and tune forming head, section bar woollen can be eliminated and adjust shape
The gap existing between head, isolating pad can make it can be according to the profile of the section bar of flexible manufacturing or profile using soft aluminum or copper
Adjust at any time, the surface adjusting the hard materials such as forming head to scratch section bar part can be it also avoid, improve section bar zero with Reusability
The machining accuracy of part.
Brief description
Fig. 1 is a kind of structural representation of flexibility bending mold；
Fig. 2 is the schematic diagram adjusting forming head described in a kind of flexibility bending mold；
Fig. 3 is the schematic diagram adjusting body described in a kind of flexibility bending mold；
Fig. 4 is a kind of schematic diagram of link gear described in flexibility bending mold；
Fig. 5 is the structural representation tieing up shape case described in a kind of flexibility bending mold；
Fig. 6 is the schematic diagram that a kind of flexibility bending mold is equipped with described isolating pad；
Fig. 7 is that the section bar woollen in a kind of step s1 of flexible processing method of quick shaping deep camber section bar part is illustrated
Figure；
Fig. 8 is a kind of operation schematic diagram of step s3 described in flexible processing method of quick shaping deep camber section bar part；
Fig. 9 is a kind of operation schematic diagram of step s4 described in flexible processing method of quick shaping deep camber section bar part；
Figure 10 is a kind of operation schematic diagram of step s5 described in flexible processing method of quick shaping deep camber section bar part；
Figure 11 is a kind of operation schematic diagram of step s6 described in flexible processing method of quick shaping deep camber section bar part；
Wherein, 1- tune body, 2- tune forming head, 3- link gear, 4- tune shape motor, 5- dimension shape case, 6- dividing plate, 7- through hole,
8- isolating pad, 9- termination groove, 10- section bar woollen, 11- locking pliers.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but embodiments of the present invention not limited to this.
Embodiment 1:
A kind of flexibility bending mold, economical good, the section bar element precision of processing is high, can shorten the production cycle
Advantage.As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, it is specifically arranged to following structures: include edge same
Multiple Tiao Xing mechanisms that can stretch that one horizontal direction is vertically arranged successively, described Tiao Xing mechanism includes adjusting body 1, described tune
The top of body 1 is connected with tune forming head 2, and the described bottom adjusting body 1 is connected with the gear that tune body 1 can be made to move up and down
Structure 3, the free end of described link gear 3 is connected with tune shape motor 4；Adjust body 1 to be responsible for connecting tune forming head 2 and link gear 3, adjust
Shape motor 4 can make link gear 3 rotate with it and rotate, and the rotary driving that shape motor 4 will be adjusted to export is responsible for by link gear 3
Be converted to the portable driving adjusting body 1, drive and adjust body 1 to move up and down, drive and adjust forming head 2 to move up and down；Described tune shape electricity
Machine 4 is connected with controller, and wherein said tune shape motor 4 is motor.The section bar zero being processed into as needed is responsible for by controller
The shape of part, calculates working time and the work step-length that each adjusts shape motor 4；Wherein, described link gear 3 includes and adjusts shape electricity
Shaft coupling and the threaded rod being connected to shaft coupling free end that the main shaft of machine 4 connects；Described tune body 1 offers tool along its axis
Female tapped through hole, the bottom of described tune forming head 2 is provided with has externally threaded screw rod, the top of described tune body 1
By tapped through hole and adjust the screw rod of forming head 2 to be detachably connected, the described top adjusting forming head 2 is circular arc and to offer termination recessed
Groove 9, the termination groove 9 of described tune forming head is harmonious with the cross sectional shape of section bar part, as long as the cross sectional shape of section bar part
Identical it is possible to same tune forming head 2, if there are the section bar part of multiple different cross section shapes, only need to change matching
Tune forming head 2；The bottom adjusting body 1 is in transmission connection by the threaded rod of tapped through hole and link gear 3.
A kind of flexible processing method of quick shaping deep camber section bar part, comprises the following steps:
Step s1: lower sectional material woollen 10: calculate section bar woollen 10 bending drawing process in length of run, in section bar
The two ends of woollen 10 increase the process allowance of 150-200mm respectively, and lower sectional material woollen 10；Wherein, the process allowance of increase
How much according to the material of section bar woollen 10 and the shape of the section bar part being processed into should be needed specifically to determine；
Step s2: pre- stretch bending: the two ends of section bar woollen 10 are arranged on locking pliers 11, and make locking pliers 11 clamp section bar
The two ends of woollen 10, make locking pliers 11 move to down either side afterwards, prestretching curved material woollen 10, the amount of tension of section bar woollen 10
Control 3% about；
Step s3: shape is adjusted in flexible bending mold resilience: locking pliers 11 is moved upward, and flexible bending mold is returned according to section bar
Bullet situation calculates again through controller and adjusts out each adjusts position after springback compensation for the forming head 1；
Step s4: stretch bending again: locking pliers 11 moves to down either side again, stretch bending section bar woollen 10 again, section bar woollen
10 amount of tension unclamps locking pliers 11 when being about 3%；
Step s5: cutting surplus: the process allowance at the two ends of section bar woollen 10 after being folded over carries out cutting and removes.
Embodiment 2:
The present embodiment is to optimize further on the basis of above-described embodiment, further to better implement the present invention,
As shown in Fig. 1, Fig. 5, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, especially adopt following setting structures: also include tieing up shape case 5, described dimension
Shape case 5 has the rectangular box body of opening for top；Described tune body 1 is the cube shaped post mating with the inwall of dimension shape case 5
Body, described Tiao Xing mechanism is arranged on the inside of dimension shape case 5；Wherein, dimension shape case 5 is used for installing, fixes, protect tune forming head, adjust shape
Body, link gear, tune shape motor, and be allowed to form entirety, prevent from falling apart.
Wherein, described dimension shape case 5 be internally provided with the dividing plate 6 parallel with the base plate tieing up shape case 5, described dividing plate 6 is opened
It is provided with through hole 7；Described link gear 3 be arranged on dimension shape case 5 in dividing plate 6 on, described tune shape motor 4 be arranged on described base plate with
Between dividing plate 6, the main shaft of shape motor 4 is adjusted to be in transmission connection through through hole 7 with link gear 3.
A kind of flexible processing method of quick shaping deep camber section bar part, comprises the following steps:
Step s1: lower sectional material woollen 10: calculate section bar woollen 10 bending drawing process in length of run, in section bar
The two ends of woollen 10 increase the process allowance of 150-200mm respectively, and lower sectional material woollen 10；Wherein, the process allowance of increase
How much according to the material of section bar woollen 10 and the shape of the section bar part being processed into should be needed specifically to determine；
Step s2: pre- stretch bending: the two ends of section bar woollen 10 are arranged on locking pliers 11, and make locking pliers 11 clamp section bar
The two ends of woollen 10, make locking pliers 11 move to down either side afterwards, prestretching curved material woollen 10, the amount of tension of section bar woollen 10
Control 3% about；
Step s3: shape is adjusted in flexible bending mold resilience: locking pliers 11 is moved upward, and flexible bending mold is returned according to section bar
Bullet situation calculates again through controller and adjusts out each adjusts position after springback compensation for the forming head 1；
Step s4: stretch bending again: locking pliers 11 moves to down either side again, stretch bending section bar woollen 10 again, section bar woollen
10 amount of tension unclamps locking pliers 11 when being about 3%；
Step s5: cutting surplus: the process allowance at the two ends of section bar woollen 10 after being folded over carries out cutting and removes.
Embodiment 3:
The present embodiment is to optimize further on the basis of any of the above-described embodiment, and further is preferably to realize this
Bright, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, especially adopt following setting structures:
Also include isolating pad 8, isolating pad 8 is laid on the top adjusting forming head 2, isolating pad 8 is placed on flexible bending mold and section bar woollen 10
Between, prevent from adjusting forming head 2 to scratch the surface of section bar woollen 10 during stretch wrap forming.
Further to better implement the present invention, following setting structures are especially adopted: the material of described isolating pad 8 is soft
Aluminum or soft copper (as 5052-o, t2m), can make it can be according to the profile of the parts of flexible manufacturing or outer using soft aluminum or copper
Shape adjusts at any time, can also make the surface in order to avoid taking section bar part using hard material with Reusability；Described isolating pad
8 thickness is 2-3mm, and the thickness of wherein said isolating pad 8 should need to carry out reasonable selection according to actual use.
A kind of flexible processing method of quick shaping deep camber section bar part, comprises the following steps:
Step s1: lower sectional material woollen 10: calculate section bar woollen 10 bending drawing process in length of run, in section bar
The two ends of woollen 10 increase the process allowance of 150-200mm respectively, and lower sectional material woollen；Wherein, the process allowance of increase is many
According to the material of section bar woollen and the shape of the section bar part being processed into should be needed specifically to determine less；
Step s2: flexible bending mold theory shape adjusts shape: controller according to the shape of section bar part to be processed, deduction every
After the thickness of pad 8, calculate the working time of each tune shape motor 4, thus driving each to adjust body 1 to move, thus carrying
Dynamic adjust forming head to move to corresponding position, multiple tune forming heads collective fit to out deduction isolating pad 8 after section bar part shape；
Step s3: install isolating pad 8, section bar woollen 10: isolating pad 8 is laid in tune forming head 2, and in isolating pad 8
Uniformly coat lubricant, afterwards the two ends of section bar woollen 10 are arranged on locking pliers 11, and make locking pliers 11 clamp section bar
The two ends of woollen 10；
Step s4: pre- stretch bending: so that locking pliers 11 is moved to down either side, prestretching curved material woollen 10, section bar woollen 10
Amount of tension controls 3% about；
Step s5: shape is adjusted in flexible bending mold resilience: locking pliers 11 is moved upward, and flexible bending mold is returned according to section bar
Bullet situation calculates again through controller and adjusts out each adjusts position after springback compensation for the forming head 2；
Step s6: stretch bending again: locking pliers 11 moves to down either side again, stretch bending section bar woollen 10 again, section bar woollen
10 amount of tension unclamps locking pliers 11 when being about 3%；
Step s7: cutting surplus: the process allowance at the two ends of section bar woollen 10 after being folded over carries out cutting and removes.
Wherein, lubricant described in step s3 is one of graphite, lubricating oil or grease.
Wherein, the operation of quick shaping deep camber section bar part is as shown in table 1:
Table 1 quick shaping deep camber section bar part operation
The above, be only presently preferred embodiments of the present invention, and not the present invention is done with any pro forma restriction, every according to
Any simple modification above example made according to the technical spirit of the present invention, equivalent variations, each fall within the protection of the present invention
Within the scope of.
Claims (10)
1. a kind of flexibility bending mold it is characterised in that: include multiple can stretching along what same level direction was vertically arranged successively
The Tiao Xing mechanism of contracting, described Tiao Xing mechanism includes adjusting body (1), and the described top adjusting body (1) is connected with tune forming head (2), institute
State adjust body (1) bottom telescopic be connected with link gear (3), the free end of described link gear (3) is connected with tune shape
Motor (4), described tune shape motor (4) is connected with controller.
2. according to claim 1 a kind of flexibility bending mold it is characterised in that: also include tie up shape case (5), described dimension shape
Case (5) has the rectangular box body of opening for top；Described tune body (1) is the cube mating with the inwall of dimension shape case (5)
Shape cylinder, described Tiao Xing mechanism is arranged on the inside of dimension shape case (5).
3. according to claim 2 a kind of flexibility bending mold it is characterised in that: described dimension shape case (5) inside setting
There is the dividing plate (6) parallel with the base plate of dimension shape case (5), described dividing plate (6) offers through hole (7)；Described tune shape motor (4) sets
Put and adjust the main shaft of shape motor (4) to pass through through hole (7) and the connection being arranged on above dividing plate (6) between described base plate and dividing plate (6)
Motivation structure (3) is in transmission connection.
4. according to claim 1 a kind of flexibility bending mold it is characterised in that: described link gear (3) include with adjust
Shaft coupling and the threaded rod being connected to shaft coupling free end that the main shaft of shape motor (4) connects；Described tune body (1) is along its axis
Offer tapped through hole, the bottom of described tune forming head (2) is provided with screw rod；Tapped through hole is passed through at the described top adjusting body (1)
It is detachably connected with the screw rod adjusting forming head (2), adjust the bottom of body (1) to pass through the threaded rod of tapped through hole and link gear (3)
It is in transmission connection.
5. according to claim 1 a kind of flexibility bending mold it is characterised in that: described adjust forming head (2) top be circle
Arc and offer termination groove (9).
6. according to claim 1 a kind of flexibility bending mold it is characterised in that: also include isolating pad (8), isolating pad
(8) it is used for being laid on the top adjusting forming head (2).
7. a kind of flexible processing method of quick shaping deep camber section bar part it is characterised in that: comprise the following steps:
Step s1: lower sectional material woollen (10)；
Step s2: flexible bending mold theory shape adjusts shape: controller, according to the shape of section bar part to be processed, deducts isolating pad
(8) after thickness, calculate the working time of each tune shape motor (4), thus driving each to adjust body (1) to move, thus
Drive and adjust forming head to move to corresponding position, multiple tune forming heads collective fit to out the section bar part shape after deduction isolating pad (8)；
Step s3: install isolating pad (8), section bar woollen (10): isolating pad (8) is laid on tune forming head (2), afterwards by section bar
The two ends of woollen (10) are arranged on locking pliers (11), and make locking pliers (11) clamp the two ends of section bar woollen (10)；
Step s4: pre- stretch bending: so that locking pliers (11) is moved to down either side, prestretching curved material woollen (10), section bar woollen (10)
Amount of tension be about 3%；
Step s5: shape is adjusted in flexible bending mold resilience: locking pliers (11) is moved upward, and flexible bending mold is according to section bar resilience
Situation calculates again through controller and adjusts out each adjusts position after springback compensation for the forming head (2)；
Step s6: stretch bending again: locking pliers (11) moves to down either side again, stretch bending section bar woollen (10) again, section bar woollen
(10) amount of tension unclamps locking pliers (11) when being about 3%；
Step s7: cutting surplus: the process allowance at the two ends of section bar woollen (10) after being folded over carries out cutting and removes.
8. a kind of quick shaping deep camber section bar part according to claim 7 flexible processing method it is characterised in that:
Described step s1 is bending the length of run in drawing process specifically by calculating section bar woollen (10), in section bar woollen (10)
Two ends increase the process allowance of 150-200mm, last lower sectional material woollen (10) respectively.
9. a kind of quick shaping deep camber section bar part according to claim 7 flexible processing method it is characterised in that:
In described step s3, described isolating pad (8) uniformly scribbles lubricant.
10. the flexible processing method of a kind of quick shaping deep camber section bar part according to claim 9, its feature exists
In: described lubricant is one of graphite, lubricating oil or grease.
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| CN201610786725.7A CN106363083A (en) | 2016-08-31 | 2016-08-31 | Flexible bending mold and machining method for rapidly forming large-curvature profile piece |
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| CN201610786725.7A CN106363083A (en) | 2016-08-31 | 2016-08-31 | Flexible bending mold and machining method for rapidly forming large-curvature profile piece |
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| CN106607484A (en) * | 2017-02-08 | 2017-05-03 | 吉林大学 | A roller type multi-section control section bar three-dimensional stretch-bending dieless forming device |
| CN107486505A (en) * | 2017-08-14 | 2017-12-19 | 珠海格力电器股份有限公司 | Folded edge engagement structure, shell structure, machining method of shell structure and water heater |
| CN109604449A (en) * | 2018-12-18 | 2019-04-12 | 济南帅潮实业有限公司 | Plate bending and forming mould |
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| CN113305184A (en) * | 2021-04-23 | 2021-08-27 | 上海钱豹机电设备有限公司 | Section bar bending device |
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| CN106607484A (en) * | 2017-02-08 | 2017-05-03 | 吉林大学 | A roller type multi-section control section bar three-dimensional stretch-bending dieless forming device |
| CN107486505A (en) * | 2017-08-14 | 2017-12-19 | 珠海格力电器股份有限公司 | Folded edge engagement structure, shell structure, machining method of shell structure and water heater |
| CN109604449A (en) * | 2018-12-18 | 2019-04-12 | 济南帅潮实业有限公司 | Plate bending and forming mould |
| CN110405011B (en) * | 2019-08-21 | 2020-11-17 | 广州市钊顺金属制品有限公司 | Manufacturing and processing method of galvanized steel sheet |
| CN110405011A (en) * | 2019-08-21 | 2019-11-05 | 王浩宇 | A kind of galvanized steel plain sheet manufacture processing method |
| CN110883889B (en) * | 2019-11-26 | 2021-09-17 | 西安建筑科技大学 | Device for making original bamboo fish mouth-shaped notch |
| CN110883889A (en) * | 2019-11-26 | 2020-03-17 | 西安建筑科技大学 | Device for making original bamboo fish mouth-shaped notch |
| CN111468635A (en) * | 2020-03-11 | 2020-07-31 | 合肥市深朝电子有限公司 | Automobile wire harness bending device |
| CN113305184A (en) * | 2021-04-23 | 2021-08-27 | 上海钱豹机电设备有限公司 | Section bar bending device |
| SE2151325A1 (en) * | 2021-10-29 | 2023-04-11 | Modvion Ab | Modular mould for a press for producing a curved laminated veneer lumber module |
| SE545138C2 (en) * | 2021-10-29 | 2023-04-11 | Modvion Ab | Modular mould for a press for producing a curved laminated veneer lumber module |
| WO2023075668A1 (en) * | 2021-10-29 | 2023-05-04 | Modvion Ab | Modular mould for a press for producing a curved laminated veneer lumber module |
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