CN110508673A - A kind of device and method of progressive molding and spinning combined shaping - Google Patents

A kind of device and method of progressive molding and spinning combined shaping Download PDF

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Publication number
CN110508673A
CN110508673A CN201910666469.1A CN201910666469A CN110508673A CN 110508673 A CN110508673 A CN 110508673A CN 201910666469 A CN201910666469 A CN 201910666469A CN 110508673 A CN110508673 A CN 110508673A
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CN
China
Prior art keywords
platen
turntable
progressive molding
plate
tool heads
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.)
Pending
Application number
CN201910666469.1A
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Chinese (zh)
Inventor
王辉
光凯惠
吴田莉
姚运飞
刘斌斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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Publication date
Application filed by Nanjing University of Aeronautics and Astronautics filed Critical Nanjing University of Aeronautics and Astronautics
Priority to CN201910666469.1A priority Critical patent/CN110508673A/en
Publication of CN110508673A publication Critical patent/CN110508673A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D31/00Other methods for working sheet metal, metal tubes, metal profiles
    • B21D31/005Incremental shaping or bending, e.g. stepwise moving a shaping tool along the surface of the workpiece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

The invention discloses the device and method of a kind of progressive molding and spinning combined shaping, include progressive molding lathe, tool heads, rotary components, N number of oriented module, platen, pressure plate, pulling force module and several pretension bolts, tool heads are installed on the main shaft end of Metal CNC Incremental Forming lathe, rotary components are fixed on the workbench of progressive molding lathe, platen is installed on turntable by N number of oriented module, pressure plate is matched by several pretension bolts and platen for clamping plate, make platen tension downward by pulling force module simultaneously, plate contact support punch-pin top, realize pre-stretching.Compared with prior art, the present invention realizes the combined shaping of half revolution sheet metal component, has many advantages, such as that forming efficiency is high, forming quality is good, be easily achieved plate mould pressing and progressive molding is integrated.

Description

A kind of device and method of progressive molding and spinning combined shaping
Technical field
The present invention relates to the device of Sheet Metal Processing technical field more particularly to a kind of progressive molding and spinning combined shaping and Method.
Background technique
The main method that metal blank plastic forming technology is processed as plate shaping, occupies very in national economy Consequence is widely used in the production industries such as aerospace, shipping industry, automobile panel, electronics, instrument.Rotation at present Pressure can only shape revolving meber, and progressive molding is suitable for the forming of non-rotating part, and forming efficiency and forming quality are general when revolving meber.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, propose that a kind of progressive molding and spinning are multiple Synthesize half revolving meber of shape device and method, be able to achieve the spinning and progressive molding combined shaping of half revolution sheet metal component, have at The advantages that shape is high-efficient, forming effect is good.
The present invention uses following technical scheme to solve above-mentioned technical problem:
A kind of device of progressive molding and spinning combined shaping includes progressive molding lathe, tool heads, rotary components, N number of guiding Module, platen, pressure plate, pulling force module and several pretension bolts, N are the natural number more than or equal to 3;
The main shaft end of progressive molding lathe is arranged in the tool heads;
The rotary components are fixed on the workbench of progressive molding lathe, include pedestal, turntable, bearing, shaft, driven tooth Wheel, driving gear and stepper motor, wherein the turntable is cylindrical, and one end of bottom center and shaft is vertically connected; The other end of the shaft is connected by bearing with the pedestal, and the turntable opposite base is freely rotated;Institute Driven tooth wheel case is stated in the shaft and shaft is coaxial, and the inner wall of driven gear and shaft are connected;The driving gear and Driven gear engagement;The stepper motor is fixed, and the shaft of output shaft and the driving gear is coaxially connected on the base, uses It is rotated in driving driving gear and then drives turntable rotation;
The oriented module includes guide post and linear bearing, wherein the lower end of the guide post and the turntable are vertically connected;Institute Linear axis bearing sleeve is stated on the guide post, can freely be slided up and down along guide post;
The platen center is equipped with Sheet Metal Processing hole, and it is a pair of that the N number of and described oriented module one is circumferentially uniformly provided on platen The mounting hole answered;N number of oriented module is uniformly arranged between platen and turntable, and linear bearing passes through corresponding installation Hole and the platen are connected so that platen it is parallel with turntable upper surface and can along N number of oriented module guide post it is freely upper and lower Sliding;
The pressure plate is annular in shape, and the diameter of inner ring is greater than the diameter in the Sheet Metal Processing hole;In the pressure plate uniformly Equipped with several and described one-to-one through-hole of pretension bolt, the platen is corresponded equipped with several and described pretension bolts Threaded hole;Several pretension bolts corresponding threaded hole screw thread on its corresponding through-hole in pressure plate and platen connects It connects, so that pressure plate, platen clamp plate, plate is fixed on Sheet Metal Processing hole by applying pressure-pad-force to plate;
The pulling force module includes several tension units;
Several tension units are circumferentially uniformly arranged along platen, include spring, hook and hanging buckle, wherein the spring one End and the turntable upper surface are connected, and the other end and the hook are connected;The lower end surface of the platen is arranged in the hanging buckle, For matching, making the other end and platen detachable connection of spring with the hook;
The turntable is for fixed support punch-pin, so that support punch-pin is located under Sheet Metal Processing hole, to facilitate tool heads to plate Material is processed.
The further prioritization scheme of device as progressive molding of the present invention and spinning combined shaping, the guide post is by leading Pillar support and the turntable are connected;
The guide post support includes fixing sleeve and fixed ring, wherein the diameter of the fixing sleeve inner wall is equal to fixed ring inner wall Diameter, the diameter of fixing sleeve outer wall are less than the diameter of fixed ring outer wall, fixing sleeve, fixed ring be coaxial and the lower end surface of fixing sleeve and The upper surface of fixed ring is connected;The fixing sleeve covers on guide post and the guide post is connected by screw;The fixed ring passes through Screw and the turntable are connected.
The further prioritization scheme of device as progressive molding of the present invention and spinning combined shaping, the value of the N is 4, 6, any one in 8.
The further prioritization scheme of device as progressive molding of the present invention and spinning combined shaping, the tool heads use Milling cutter or pressure head without blade.
The invention also discloses a kind of support punch-pin molding sides of device based on the progressive molding and spinning combined shaping Method comprising the steps of:
Step is A.1), tool heads use 5mm milling cutter, install the main shaft of progressive molding lathe additional tool heads, and generate support punch-pin Machining locus;
Step is A.2), by tool heads to knife, die blank is installed on turntable center, according to the machining locus control of support punch-pin Stepper motor processed work so that turntable rotates, while control the work of progressive molding lathe, using tool heads to die blank into Row Milling Process, be supported punch-pin.
The invention also discloses a kind of Workpiece shaping method of device based on the progressive molding and spinning combined shaping, packets Containing following steps:
Step is B.1), tool heads use pressure head of the diameter 10mm without blade, the main shaft of progressive molding lathe are installed additional, and generate work The machining locus of part;
Step is B.2), by tool heads to knife, support punch-pin is installed on turntable center;
Step is B.3), by each tension unit hook and hanging buckle be detached from, hold platen, plate is placed on platen hits exactly Place, after pushing down plate with pressure plate, tightens each pretension bolt, so that forming the pressure for fixing plate between pressure plate, platen Bian Li;
Step is B.4), by each tension unit hook and hanging buckle buckle so that the spring of each tension unit be in stretch State, platen tension is downward at this time, and pre-stretching is realized on plate contact support punch-pin top;
Step is B.5), according to the machining locus control stepper motor work of support punch-pin, so that turntable rotates, while controlling gradually Plate is processed into forming machine tool work, using tool heads, so that sheet forming is workpiece.
The invention adopts the above technical scheme compared with prior art, has following technical effect that
The present invention can be realized progressive molding and just shape, bear forming, turn round sheet metal component, and half turns round sheet metal component, irregular sheet metal component Progressive molding and other assist formations with laser, electric calorifie installation, and can before forming phase and later period to mold into Row machining realizes the combined shaping of the complex-curved metal blank of the volume of various features, and processing flexibility is higher than existing design, at Shape efficiency and forming quality are high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the device of progressive molding of the present invention and spinning combined shaping;
Fig. 2 is the working state of device schematic diagram of progressive molding of the present invention and spinning combined shaping.
In figure, 1- rotary components, 2- spring, 3- platen, 4- guide post, 5- pressure plate, 6- support punch-pin, 7- tool heads, 8- Plate, 9- linear bearing, 10- guide post support.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing:
The present invention can be embodied in many different forms, and should not be assumed that be limited to the embodiments described herein.On the contrary, providing These embodiments are thoroughly and complete to make the disclosure, and will give full expression to the scope of the present invention to those skilled in the art. In the accompanying drawings, for the sake of clarity it is exaggerated component.
As shown in Figure 1 and Figure 2, the invention discloses the device of a kind of progressive molding and spinning combined shaping, comprising it is progressive at Shape lathe, tool heads, rotary components, N number of oriented module, platen, pressure plate, pulling force module and several pretension bolts, N be greater than Natural number equal to 3;
The main shaft end of progressive molding lathe is arranged in the tool heads;
The rotary components are fixed on the workbench of progressive molding lathe, include pedestal, turntable, bearing, shaft, driven tooth Wheel, driving gear and stepper motor, wherein the turntable is cylindrical, and one end of bottom center and shaft is vertically connected; The other end of the shaft is connected by bearing with the pedestal, and the turntable opposite base is freely rotated;Institute Driven tooth wheel case is stated in the shaft and shaft is coaxial, and the inner wall of driven gear and shaft are connected;The driving gear and Driven gear engagement;The stepper motor is fixed, and the shaft of output shaft and the driving gear is coaxially connected on the base, uses It is rotated in driving driving gear and then drives turntable rotation;
The oriented module includes guide post and linear bearing, wherein the lower end of the guide post and the turntable are vertically connected;Institute Linear axis bearing sleeve is stated on the guide post, can freely be slided up and down along guide post;
The platen center is equipped with Sheet Metal Processing hole, and it is a pair of that the N number of and described oriented module one is circumferentially uniformly provided on platen The mounting hole answered;N number of oriented module is uniformly arranged between platen and turntable, and linear bearing passes through corresponding installation Hole and the platen are connected so that platen it is parallel with turntable upper surface and can along N number of oriented module guide post it is freely upper and lower Sliding;
The pressure plate is annular in shape, and the diameter of inner ring is greater than the diameter in the Sheet Metal Processing hole;In the pressure plate uniformly Equipped with several and described one-to-one through-hole of pretension bolt, the platen is corresponded equipped with several and described pretension bolts Threaded hole;Several pretension bolts corresponding threaded hole screw thread on its corresponding through-hole in pressure plate and platen connects It connects, so that pressure plate, platen clamp plate, plate is fixed on Sheet Metal Processing hole by applying pressure-pad-force to plate;
The pulling force module includes several tension units;
Several tension units are circumferentially uniformly arranged along platen, include spring, hook and hanging buckle, wherein the spring one End and the turntable upper surface are connected, and the other end and the hook are connected;The lower end surface of the platen is arranged in the hanging buckle, For matching, making the other end and platen detachable connection of spring with the hook;
The turntable is for fixed support punch-pin, so that support punch-pin is located under Sheet Metal Processing hole, to facilitate tool heads to plate Material is processed.
The guide post is connected by guide post support and the turntable;
The guide post support includes fixing sleeve and fixed ring, wherein the diameter of the fixing sleeve inner wall is equal to fixed ring inner wall Diameter, the diameter of fixing sleeve outer wall are less than the diameter of fixed ring outer wall, fixing sleeve, fixed ring be coaxial and the lower end surface of fixing sleeve and The upper surface of fixed ring is connected;The fixing sleeve covers on guide post and the guide post is connected by screw;The fixed ring passes through Screw and the turntable are connected.
The value of the N is any one in 4,6,8.
The tool heads use milling cutter or the pressure head without blade.
The invention also discloses a kind of support punch-pin molding sides of device based on the progressive molding and spinning combined shaping Method comprising the steps of:
Step is A.1), tool heads use 5mm milling cutter, install the main shaft of progressive molding lathe additional tool heads, and generate support punch-pin Machining locus;
Step is A.2), by tool heads to knife, die blank is installed on turntable center, according to the machining locus control of support punch-pin Stepper motor processed work so that turntable rotates, while control the work of progressive molding lathe, using tool heads to die blank into Row Milling Process, be supported punch-pin.
The invention also discloses a kind of Workpiece shaping method of device based on the progressive molding and spinning combined shaping, packets Containing following steps:
Step is B.1), tool heads use pressure head of the diameter 10mm without blade, the main shaft of progressive molding lathe are installed additional, and generate work The machining locus of part;
Step is B.2), by tool heads to knife, support punch-pin is installed on turntable center;
Step is B.3), by each tension unit hook and hanging buckle be detached from, hold platen, plate is placed on platen hits exactly Place, after pushing down plate with pressure plate, tightens each pretension bolt, so that forming the pressure for fixing plate between pressure plate, platen Bian Li;
Step is B.4), by each tension unit hook and hanging buckle buckle so that the spring of each tension unit be in stretch State, platen tension is downward at this time, and pre-stretching is realized on plate contact support punch-pin top;
Step is B.5), according to the machining locus control stepper motor work of support punch-pin, so that turntable rotates, while controlling gradually Plate is processed into forming machine tool work, using tool heads, so that sheet forming is workpiece.
Those skilled in the art can understand that unless otherwise defined, all terms used herein (including skill Art term and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Also It should be understood that those terms such as defined in the general dictionary should be understood that have in the context of the prior art The consistent meaning of meaning will not be explained in an idealized or overly formal meaning and unless defined as here.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects It is described in detail, it should be understood that being not limited to this hair the foregoing is merely a specific embodiment of the invention Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention Protection scope within.

Claims (6)

1. the device of a kind of progressive molding and spinning combined shaping, which is characterized in that include progressive molding lathe, tool heads, rotation Turn component, N number of oriented module, platen, pressure plate, pulling force module and several pretension bolts, N is the natural number more than or equal to 3;
The main shaft end of progressive molding lathe is arranged in the tool heads;
The rotary components are fixed on the workbench of progressive molding lathe, include pedestal, turntable, bearing, shaft, driven tooth Wheel, driving gear and stepper motor, wherein the turntable is cylindrical, and one end of bottom center and shaft is vertically connected; The other end of the shaft is connected by bearing with the pedestal, and the turntable opposite base is freely rotated;Institute Driven tooth wheel case is stated in the shaft and shaft is coaxial, and the inner wall of driven gear and shaft are connected;The driving gear and Driven gear engagement;The stepper motor is fixed, and the shaft of output shaft and the driving gear is coaxially connected on the base, uses It is rotated in driving driving gear and then drives turntable rotation;
The oriented module includes guide post and linear bearing, wherein the lower end of the guide post and the turntable are vertically connected;Institute Linear axis bearing sleeve is stated on the guide post, can freely be slided up and down along guide post;
The platen center is equipped with Sheet Metal Processing hole, and it is a pair of that the N number of and described oriented module one is circumferentially uniformly provided on platen The mounting hole answered;N number of oriented module is uniformly arranged between platen and turntable, and linear bearing passes through corresponding installation Hole and the platen are connected so that platen it is parallel with turntable upper surface and can along N number of oriented module guide post it is freely upper and lower Sliding;
The pressure plate is annular in shape, and the diameter of inner ring is greater than the diameter in the Sheet Metal Processing hole;In the pressure plate uniformly Equipped with several and described one-to-one through-hole of pretension bolt, the platen is corresponded equipped with several and described pretension bolts Threaded hole;Several pretension bolts corresponding threaded hole screw thread on its corresponding through-hole in pressure plate and platen connects It connects, so that pressure plate, platen clamp plate, plate is fixed on Sheet Metal Processing hole by applying pressure-pad-force to plate;
The pulling force module includes several tension units;
Several tension units are circumferentially uniformly arranged along platen, include spring, hook and hanging buckle, wherein the spring one End and the turntable upper surface are connected, and the other end and the hook are connected;The lower end surface of the platen is arranged in the hanging buckle, For matching, making the other end and platen detachable connection of spring with the hook;
The turntable is for fixed support punch-pin, so that support punch-pin is located under Sheet Metal Processing hole, to facilitate tool heads to plate Material is processed.
2. the device of progressive molding according to claim 1 and spinning combined shaping, which is characterized in that the guide post passes through Guide post support and the turntable are connected;
The guide post support includes fixing sleeve and fixed ring, wherein the diameter of the fixing sleeve inner wall is equal to fixed ring inner wall Diameter, the diameter of fixing sleeve outer wall are less than the diameter of fixed ring outer wall, fixing sleeve, fixed ring be coaxial and the lower end surface of fixing sleeve and The upper surface of fixed ring is connected;The fixing sleeve covers on guide post and the guide post is connected by screw;The fixed ring passes through Screw and the turntable are connected.
3. the device of progressive molding according to claim 1 and spinning combined shaping, which is characterized in that the value of the N is 4, any one in 6,8.
4. the device of progressive molding according to claim 1 and spinning combined shaping, which is characterized in that the tool heads are adopted With milling cutter or without the pressure head of blade.
5. the support punch-pin forming method of the device based on progressive molding described in claim 1 and spinning combined shaping, special Sign is comprising the steps of:
Step is A.1), tool heads use 5mm milling cutter, install the main shaft of progressive molding lathe additional tool heads, and generate support punch-pin Machining locus;
Step is A.2), by tool heads to knife, die blank is installed on turntable center, according to the machining locus control of support punch-pin Stepper motor processed work so that turntable rotates, while control the work of progressive molding lathe, using tool heads to die blank into Row Milling Process, be supported punch-pin.
6. the Workpiece shaping method of the device based on progressive molding described in claim 1 and spinning combined shaping, feature exist In comprising the steps of:
Step is B.1), tool heads use pressure head of the diameter 10mm without blade, the main shaft of progressive molding lathe are installed additional, and generate work The machining locus of part;
Step is B.2), by tool heads to knife, support punch-pin is installed on turntable center;
Step is B.3), by each tension unit hook and hanging buckle be detached from, hold platen, plate is placed on platen hits exactly Place, after pushing down plate with pressure plate, tightens each pretension bolt, so that forming the pressure for fixing plate between pressure plate, platen Bian Li;
Step is B.4), by each tension unit hook and hanging buckle buckle so that the spring of each tension unit be in stretch State, platen tension is downward at this time, and pre-stretching is realized on plate contact support punch-pin top;
Step is B.5), it is controlled simultaneously according to the machining locus control stepper motor work of support punch-pin so that turntable rotates The work of progressive molding lathe processes plate using tool heads, so that sheet forming is workpiece.
CN201910666469.1A 2019-07-23 2019-07-23 A kind of device and method of progressive molding and spinning combined shaping Pending CN110508673A (en)

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CN201910666469.1A CN110508673A (en) 2019-07-23 2019-07-23 A kind of device and method of progressive molding and spinning combined shaping

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Application Number Priority Date Filing Date Title
CN201910666469.1A CN110508673A (en) 2019-07-23 2019-07-23 A kind of device and method of progressive molding and spinning combined shaping

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112547941A (en) * 2020-11-26 2021-03-26 重庆交通大学 Numerical control incremental thermoforming device with heat insulation coating and supporting plate
CN112588976A (en) * 2020-10-29 2021-04-02 浙江合众新能源汽车有限公司 Plate incremental forming method
CN114130894A (en) * 2021-11-25 2022-03-04 中南大学 Device and method for forming rotary curved surface piece point by point

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Publication number Priority date Publication date Assignee Title
JPH10137858A (en) * 1996-11-01 1998-05-26 Toyota Motor Corp Incremental forming method
CN1821910A (en) * 2006-03-07 2006-08-23 华中科技大学 Electromagnetic inching forming method and its device for plate moving coil
CN102172698A (en) * 2011-02-21 2011-09-07 上海交通大学 Composite gradual plate forming device and method
CN102218706A (en) * 2011-03-24 2011-10-19 上海交通大学 High-pressure water jet plate incremental forming and cutting device
CN102554007A (en) * 2012-02-09 2012-07-11 上海交通大学 Sheet drawing and incremental forming combined device
CN103341943A (en) * 2013-06-10 2013-10-09 青岛理工大学 High-pressure hot air incremental forming device and method for plastic plate
CN103342039A (en) * 2013-06-14 2013-10-09 南京工程学院 Composite covering part prepreg apparatus and forming method thereof
CN106040830A (en) * 2016-06-03 2016-10-26 南京航空航天大学 Sheet metal part increment incremental forming method and device with revolution structure and non-revolution structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10137858A (en) * 1996-11-01 1998-05-26 Toyota Motor Corp Incremental forming method
CN1821910A (en) * 2006-03-07 2006-08-23 华中科技大学 Electromagnetic inching forming method and its device for plate moving coil
CN102172698A (en) * 2011-02-21 2011-09-07 上海交通大学 Composite gradual plate forming device and method
CN102218706A (en) * 2011-03-24 2011-10-19 上海交通大学 High-pressure water jet plate incremental forming and cutting device
CN102554007A (en) * 2012-02-09 2012-07-11 上海交通大学 Sheet drawing and incremental forming combined device
CN103341943A (en) * 2013-06-10 2013-10-09 青岛理工大学 High-pressure hot air incremental forming device and method for plastic plate
CN103342039A (en) * 2013-06-14 2013-10-09 南京工程学院 Composite covering part prepreg apparatus and forming method thereof
CN106040830A (en) * 2016-06-03 2016-10-26 南京航空航天大学 Sheet metal part increment incremental forming method and device with revolution structure and non-revolution structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112588976A (en) * 2020-10-29 2021-04-02 浙江合众新能源汽车有限公司 Plate incremental forming method
CN112547941A (en) * 2020-11-26 2021-03-26 重庆交通大学 Numerical control incremental thermoforming device with heat insulation coating and supporting plate
CN114130894A (en) * 2021-11-25 2022-03-04 中南大学 Device and method for forming rotary curved surface piece point by point

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Application publication date: 20191129