CN114700426A - Titanium alloy aviation cylinder deep drawing-electromagnetic pulse side cut composite die - Google Patents
Titanium alloy aviation cylinder deep drawing-electromagnetic pulse side cut composite die Download PDFInfo
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- CN114700426A CN114700426A CN202210488455.7A CN202210488455A CN114700426A CN 114700426 A CN114700426 A CN 114700426A CN 202210488455 A CN202210488455 A CN 202210488455A CN 114700426 A CN114700426 A CN 114700426A
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- deep drawing
- electromagnetic pulse
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 33
- 239000002131 composite material Substances 0.000 title claims abstract description 31
- 238000009966 trimming Methods 0.000 claims abstract description 92
- 238000005520 cutting process Methods 0.000 claims abstract description 35
- 230000006698 induction Effects 0.000 claims description 33
- 239000002699 waste material Substances 0.000 claims description 27
- 238000004804 winding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 26
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 230000003068 static effect Effects 0.000 description 5
- 239000011265 semifinished product Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005094 computer simulation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
-
- 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
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention provides a titanium alloy aviation cylindrical part drawing-electromagnetic pulse trimming composite die, and belongs to the technical field of mechanical manufacturing. The deep drawing male die is columnar and is provided with an inductor, the inductor is connected with an electromagnetic pulse device, the blank holder, the deep drawing female die and the trimming female die are respectively provided with a first die hole, a second die hole and a third die hole, the first die hole, the second die hole and the third die hole are used for sequentially inserting the deep drawing male die, the deep drawing female die and the trimming female die are arranged at intervals, and the edges of the three die holes on the top surface of the trimming female die are made into cutting edges. By designing the composite die, when a blank is at the drawing end stage, magnetic pulse load is loaded, and the characteristic of generating contactless acting force through the electromagnetic pulse device enables trimming allowance plates to be cut off at high speed, so that the high quality of a cutting surface is ensured, two processes of drawing and trimming can be simultaneously completed in one stroke of a press, the process is simpler, the efficiency is higher, and the cost is lower.
Description
Technical Field
The invention belongs to the technical field of machine manufacturing, relates to a drawing die, and particularly relates to a titanium alloy aviation cylindrical part drawing-electromagnetic pulse trimming composite die capable of completing two processes through one stroke of a press.
Background
Drawn parts are widely used in machine-made parts, the cross-sectional shape of which may be circular, right-angled or more complex, these parts all require trimming (trimming) after drawing, and there are two reasons for the necessity of trimming after the drawing process: firstly, due to the anisotropy of the blank material performance; secondly, the equipment process structure factors are different, such as uneven clearance and pressure. The existing deep drawing and trimming are two independent processes, two sets of different dies are used for independently completing the trimming on two devices, and particularly, the trimming line related to the implementation of a complex stamping method is a deep drawing part with a complex shape, so that the production efficiency is low and the cost is high.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a titanium alloy aviation cylindrical part drawing-electromagnetic pulse trimming composite die.
The purpose of the invention can be realized by the following technical scheme: the drawing-electromagnetic pulse trimming composite die for the titanium alloy aviation cylindrical part is characterized by comprising a drawing male die, a blank holder, a drawing female die and a trimming female die, wherein the drawing male die is columnar, the drawing male die is provided with an inductor, the inductor is connected with an electromagnetic pulse device, the trimming female die, the drawing female die and the blank holder are sequentially arranged from bottom to top, the blank holder, the drawing female die and the trimming female die are respectively provided with a first die hole, a second die hole and a third die hole, the first die hole, the second die hole and the third die hole are used for sequentially inserting the drawing male die, the drawing female die and the trimming female die are arranged at intervals, and the third die hole on the top surface of the trimming female die is made into a cutting edge along the top edge.
In the titanium alloy aviation cylindrical part drawing-electromagnetic pulse trimming composite die, the drawing convex die is embedded with and wound with a magnetic induction lead, the magnetic induction lead is connected with an electromagnetic pulse device, the inductor is an induction coil formed by winding the magnetic induction lead on the outer wall surface of the lower end part of the drawing convex die, and when the cylindrical part is drawn, the induction coil on the drawing convex die is positioned between the bottom surface of the drawing concave die and the top surface of the trimming concave die.
In the titanium alloy aviation cylindrical part drawing-electromagnetic pulse trimming composite die, the drawing male die comprises a columnar part and a drawing head part, the lower end part of the drawing die is positioned at the lower end part of the columnar part, a groove is formed in the outer wall surface of the lower end part of the drawing die, and the induction coil is wound in the groove at the lower end part of the drawing die.
In the titanium alloy aviation cylindrical part drawing-electromagnetic pulse trimming composite die, the outer wall of the lower end part of the columnar part is provided with the wire groove, the wire groove is arranged along the axial direction of the columnar part and communicated with the groove, the magnetic induction wire is embedded in the wire groove, and the magnetic induction wire penetrates through the wire groove and then is wound in the groove.
In the titanium alloy aviation cylindrical part drawing-electromagnetic pulse trimming composite die, the magnetic induction lead is spirally wound in the groove in a spring shape to form an induction coil, and the number of the induction coil is 2-5.
In the titanium alloy aviation cylindrical part drawing-electromagnetic pulse trimming composite die, a plurality of waste cutting edge blades are arranged between the drawing female die and the trimming female die, the cutting edges of the waste cutting edge blades are vertically arranged, the top surfaces of the waste cutting edge blades are abutted against the bottom surface of the drawing female die, and the bottom surfaces of the waste cutting edge blades are abutted against the top surface of the trimming female die.
In the titanium alloy aviation cylindrical part deep drawing-electromagnetic pulse trimming composite die, the trimming female die comprises a trimming die main body, the die hole is located in the middle of the trimming die main body, the trimming waste edge cutting edge is located on the outer side of the die hole III, and the cutting edge of the trimming waste edge cutting edge is vertically arranged.
In the titanium alloy aviation cylindrical part deep drawing-electromagnetic pulse trimming composite die, the cutting edge for cutting the waste edge is arranged in parallel relative to the axial lead of the deep drawing convex die.
In the titanium alloy aviation cylindrical part deep drawing-electromagnetic pulse trimming composite die, the shape of the die hole III is the same as that of the die hole II, and the size of the die hole III is larger than that of the die hole II.
The titanium alloy aviation cylindrical part drawing-electromagnetic pulse trimming composite die further comprises a die holder, wherein the blank holder, the drawing female die and the trimming female die are sequentially arranged on the die holder, the die holder is provided with a die hole four, and the die hole four is communicated with a die hole three, a die hole two and a die hole one.
Compared with the prior art, the invention aims at the defect that a complex titanium alloy aviation cylindrical part needs to be finished by two processes of drawing and trimming and two auxiliary dies, the two processes of drawing and trimming are combined into one process to be realized, and by designing the composite die, when a blank is at the end stage of drawing, magnetic pulse load is loaded, and a contactless acting force is generated by an electromagnetic pulse device to enable the plate to deform at high speed, so that the high quality of a cutting surface is ensured, the two processes of drawing and trimming can be finished simultaneously in one stroke of a press, the process is simpler, the efficiency is higher, and the cost is lower.
Drawings
Fig. 1 is a schematic longitudinal cross-sectional view of the present invention.
Fig. 2 is a cross-sectional schematic view of the present invention.
Fig. 3 is a schematic structural view of a titanium alloy slab for a drawn part according to the present invention.
Fig. 4 is a drawing step diagram of the first drawing step of the present invention.
Fig. 5 is a drawing step diagram of the present invention.
Fig. 6 is a schematic view of an uncut semi-finished product after deep drawing in hair of the present invention.
FIG. 7 is a process step diagram III of the present invention.
FIG. 8 is a schematic view of the present invention before cutting off the raw edge of a drawn cylindrical member
FIG. 9 is a process step diagram III of the present invention.
FIG. 10 is a schematic view of the trimmed finished product and the cut flash of the present invention.
FIG. 11 is a flow chart of data simulation of the present invention.
In the figure, 1, a drawing male die; 101. a columnar portion; 102. a lower end portion of a drawing die; 103. a wire slot; 104. a groove; 2. a blank holder; 3. drawing a female die; 4. trimming the female die; 5. an inductor; 6. an electromagnetic pulse device; 7. a first die hole; 8. a second die hole; 9. a third die hole; 10. a magnetically-induced conductive wire; 11. a die holder; 12. a fourth die hole; 13. cutting off waste edge; 14. a die handle; 15. mounting a template; 16. a pressure plate with a handle; 17. a shield; 18. blanking blanks of drawn titanium alloy plates; 19. forming the titanium alloy plate in the drawing process; 20. drawing the blank of the cylindrical part; 21. obtaining a finished product; 22. and (4) flashing.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Referring to fig. 1-10, the embodiment is a titanium alloy aviation cylindrical part drawing-electromagnetic pulse trimming composite die, which comprises a drawing male die 1, a blank holder 2, a drawing female die 3 and a trimming female die 4, wherein the drawing male die 1 is columnar, the drawing male die 1 is provided with an inductor 5, the inductor 5 is connected with an electromagnetic pulse device 6, a die holder 11, the trimming female die 4, the drawing female die 3 and the blank holder 2 are sequentially arranged from bottom to top, the blank holder 2, the drawing female die 3 and the trimming female die 4 are respectively provided with a first die hole 7, a second die hole 8 and a third die hole 9 for sequentially inserting the drawing male die 1, and the third die hole 9 on the top surface of the trimming female die 4 is made into a cutting edge along the top edge; the drawing concave die 3 and the trimming concave die 4 are arranged at intervals.
Further, the drawing punch 1 comprises a columnar part 101 and a drawing die lower end part 102, the drawing die lower end part 102 is located at one section of the bottom end of the columnar part 101, the height of the columnar part 101 is larger than that of the drawing die lower end part 102, the outer contour shape of the drawing die lower end part 102 is matched with that of the die hole II 8, and the outer contour size of the drawing die lower end part 102 is larger than that of the columnar part 101. The wire casing 103 has been seted up to the outer wall of column portion 101, wire casing 103 sets up along the axial of column portion 101, set up the recess 104 that horizontal annular set up on the outer wall of deep-drawing mould lower tip 102, recess 104 is the annular rectangle recess, the bottom and the recess 104 of wire casing 103 are linked together, the one end of magnetic induction wire 10 is connected with electromagnetic pulse device 6, magnetic induction wire 10 inlays and establishes in wire casing 103, and magnetic induction wire 10 passes behind wire casing 103 spring form spiral winding and forms the induction coil who is used for constituting inductor 5 in recess 104, induction coil's number of turns is 2 ~ 5 circles.
Further, press from both sides between deep-drawing die 3 and the side cut die 4 and be equipped with a plurality of excision waste edge sword 13, the number of excision waste edge sword 13 is adjusted according to actual need, and the number of excision waste edge sword 13 in this embodiment is four, is located four directions at the position between deep-drawing die 3 and the side cut die 4 respectively, and the vertical setting of blade of excision waste edge sword 13, and the top surface of excision waste edge sword 13 supports and leans on the bottom surface of deep-drawing die 3, and the bottom surface of excision waste edge sword 13 supports and leans on the top surface of side cut die 4. When the drawing of the cylindrical member is completed, the waste edge cutting blade 13 is positioned at the periphery of the induction coil.
Further, a third die hole 9 is formed in the center of the trimming female die 4, the trimming waste edge blades 13 are arranged around the third die hole 9, and the cutting edges of the trimming waste edge blades 13 are arranged in parallel with the axial line of the drawing male die 1.
Furthermore, the shape of the third die hole 9 is the same as that of the second die hole 8, and the size of the third die hole 9 is slightly larger than that of the second die hole 8, so that the common rules of deep drawing can be considered, and the height of the electromagnetic pulse trimming waste cannot be smaller than 5 mm.
Further, the die holder 11 is further included, the blank holder 2, the deep drawing die 3 and the trimming die 4 are sequentially arranged on the die holder 11, the die holder 11 is provided with a die hole four 12, the die hole four 12 is communicated with a die hole three 9, a die hole two 8 and a die hole one 7, the die hole four 12 can be different from the die hole three 9 in shape, the die hole four 12 is used for providing a containing area for a cylindrical part in a trimming state, meanwhile, the thickness of the trimming die 4 can be reduced, and cost is saved.
The manufacturing and using method of the embodiment is as follows:
firstly, a technical solution is formulated:
(1) according to the general drawing rule, simultaneously considering that the height of the electromagnetic pulse trimming waste cannot be smaller than 5mm, calculating the oval size (including blank pressing flash) of the blank;
(2) design of the mold (as shown in fig. 1): .
a. For designing original data of mold
The mold is designed on the basis of computer simulation, and experimental research is carried out on the composite process. And (3) a planned static-dynamic process blank stress-strain state. The stress-strain state under static load was studied under dynamic load conditions (fig. 11).
b. Computer simulation and experiment can determine the optimal energy of a typical part (figure 2) according to the cutting length value l of (5-7) s0Speed, energy and other requirements are used to design the die parameters and other geometries, see table below.
TABLE 1 design of parameters necessary for the second stage (impulsive dynamic load) of the composite process
c. Designing a drawing male die:
the periphery of the lower end part 102 of the drawing die of the drawing punch 1 is provided with a groove 104 (starting at a position 5mm above the bottom end of the lower end part 102 of the drawing die), a magnetic induction lead 10 with the cross section of 3 multiplied by 7 and three circles is arranged in the groove, and the magnetic induction lead 10 forms an inductor and is connected with a magnetic pulse device.
d. Designing a female die:
the lower part of the drawing die 3 is provided with an edge cutting die 4 which is made of cold die steel Cr12MoV and has heat treatment hardness of HRC 60-62. The edge cutting die 4 is provided with a sharp cutting edge, a large amount of waste materials can be cut at high speed, and the edge cutting line of the cutting edge has various shapes, namely different dies are adopted, and the edge cutting line can have various geometric shapes.
Secondly, the specific implementation process is as follows:
(1) the method comprises the steps of selecting a TA1 drawn part titanium alloy plate blank 18 with the thickness of 1.0mm, annealing at the temperature of 700-750 ℃, and blanking according to the size requirement, wherein the blank meets the technical standard GB/T3621-1994 sigma b of 300-350MPa, and delta 5 is more than or equal to 30%.
(2) The composite die in the embodiment is arranged on a double-action deep-drawing press, and the model is Y28-400/630; connecting a cable connector below the female die with an electromagnetic pulse device 6, wherein the electromagnetic pulse device 6 is an electromagnetic pulse forming machine: EMF-20, maximum energy 20kJ, maximum discharge voltage 20kV, and capacitance 100 muF.
(3) And starting a press machine, laying the blanking blank 18 of the blanking deep-drawing part titanium alloy plate on the deep-drawing female die 3, pressing the periphery of the blanking blank 18 of the deep-drawing part titanium alloy plate by the blank holder 2, wherein the schematic diagram before deep-drawing is shown in figure 4.
(4) Drawing the workpiece according to the conventional drawing force, wherein the drawing force belongs to static pressure, the periphery of the workpiece is provided with blank pressing flash and is vertical to the axis of the workpiece, and the schematic diagram after drawing is shown in figure 5; the trimmed semifinished product after drawing is shown in fig. 6.
(5) The press ram continues to move downwards, so that the flange-shaped flash is pushed into the trimming die 3 and becomes parallel to the main axis as the periphery of the workpiece, the drawn part with the flange is pushed into the trimming die 3, so that the flange is parallel to the main axis as the drawn part, as shown in fig. 7, and the structure of the drawn cylindrical part before the flash is cut is as shown in fig. 8.
(6) And a magnetic induction lead which is wound and embedded in the deep drawing convex die 1 is powered, so that the inductor is communicated with the electromagnetic pulse device 6. The drawing female die 3 is in a finished state, the lower part of the drawing female die 3 is provided with a trimming die, and the trimming die is provided with a cutting edge for cutting off waste edges. At the end of the drawing process, the punch continues to move downwards for a distance (about 10-20mm, which can be adjusted according to the size of the flash) required by the peripheral wall of the semi-finished product relative to the cutting edges at the three positions of the die hole of the trimming die (0.5 mm in both directions), a series of strong magnetic induction pulses are generated in the inductor 5, the generated pulse force is perpendicular to the direction of the static load, so that the flash is removed within 1/1000 seconds, namely the flash protruding out of the cutting edge of the trimming die 4 is removed, the semi-finished product before trimming is shown in fig. 9, and the schematic diagrams of the finished product 21 after trimming and the removed flash 22 are shown in fig. 10.
In the embodiment, the drawing die 3 is in a finished state, the trimming die 4 is arranged at the lower part of the drawing die 3, at the moment of finishing the drawing process, a series of magnetic induction pulses are generated in the inductor 5 by the edge of the drawn cylindrical part blank 20 relative to the cutting edge of the trimming die 4, the generated electromotive force is perpendicular to the direction of the static load, so that the burrs 22 are cut off, the magnetic pulse shearing process lasts for about one thousandth of second, namely, the time length of the static drawing can be infinitely short, the trimming process does not need to be additionally provided with a press machine, the two processes can be finished by one stroke of one press machine, the production rate is greatly improved by 30%, the cost is reduced by 20%, the processing energy is accurate and controllable, the forming speed is high, the precision is high, and the forming die is simple.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. A titanium alloy aviation cylindrical part drawing-electromagnetic pulse trimming composite die is characterized by comprising a drawing male die (1), a blank holder (2), a drawing female die (3) and a trimming female die (4), wherein the drawing male die (1) is columnar, the deep drawing punch (1) is provided with an inductor (5), the inductor (5) is connected with an electromagnetic pulse device (6), the trimming female die (4), the drawing female die (3) and the blank holder (2) are arranged from bottom to top in sequence, the blank holder (2), the drawing female die (3) and the trimming female die (4) are respectively provided with a first die hole (7), a second die hole (8) and a third die hole (9) which are used for sequentially inserting the drawing male die (1), the deep drawing female die (3) and the trimming female die (4) are arranged at intervals, and a die hole III (9) positioned on the top surface of the trimming female die (4) is made into a cutting edge along the edge of the top end.
2. The titanium alloy aviation cylinder drawing-electromagnetic pulse trimming composite die as claimed in claim 1, wherein a magnetic induction lead (10) is embedded in and wound on the drawing convex die (1), the magnetic induction lead (10) is connected with an electromagnetic pulse device (6), the inductor (5) is an induction coil formed by winding the magnetic induction lead (10) on the outer wall surface of the drawing convex die (1), and when the cylinder drawing is completed, the induction coil on the drawing convex die (1) is positioned between the bottom surface of the drawing concave die (3) and the top surface of the trimming concave die (4).
3. The titanium alloy aviation cylindrical part deep drawing-electromagnetic pulse trimming composite die is characterized in that the deep drawing punch (1) comprises a columnar part (101) and a deep drawing die lower end part (102), the deep drawing die lower end part (102) is located at the end part of the columnar part (101), a groove (104) is formed in the outer wall surface of the deep drawing die lower end part (102), and the induction coil is wound in the groove (104) of the deep drawing die lower end part (102).
4. The titanium alloy aviation cylindrical part deep drawing-electromagnetic pulse trimming composite die is characterized in that a wire groove (103) is formed in the outer wall of the lower end portion of the columnar portion (101), the wire groove (103) is arranged along the axial direction of the columnar portion (101), the wire groove (103) is communicated with a groove (104), the magnetic induction lead (10) is embedded in the wire groove (103), and the magnetic induction lead (10) penetrates through the wire groove (103) and then is wound in the groove (104).
5. The titanium alloy aviation cylindrical part deep drawing-electromagnetic pulse trimming composite die is characterized in that the magnetic induction lead (10) is spirally wound in a spring shape in the groove (104) to form an induction coil, and the number of the induction coil is 2-5.
6. The titanium alloy aviation cylinder deep drawing-electromagnetic pulse trimming composite die according to the claim 1, 2, 3, 4 or 5, characterized in that a plurality of trimming waste edge blades (13) are arranged between the deep drawing female die (3) and the trimming female die (4), the cutting edges of the trimming waste edge blades (13) are vertically arranged, the top surfaces of the trimming waste edge blades (13) are abutted against the bottom surface of the deep drawing female die (3), and the bottom surfaces of the trimming waste edge blades (13) are abutted against the top surface of the trimming female die (4).
7. The titanium alloy aviation cylindrical part deep drawing-electromagnetic pulse trimming composite die as claimed in claim 6, wherein the die hole III (9) is formed in the center of the trimming female die (4), and each waste trimming edge (13) is annularly formed outside the die hole III (9).
8. The titanium alloy aviation cylindrical part deep drawing-electromagnetic pulse trimming composite die as claimed in claim 7, wherein the cutting edge of the waste edge cutting edge (13) is arranged in parallel with respect to the axial lead of the deep drawing punch (1).
9. The titanium alloy aviation cylindrical part deep drawing-electromagnetic pulse trimming composite die as claimed in claim 1, 2, 3, 4 or 5, wherein the shape of the die hole three (9) is the same as the shape of the die hole two (8), and the size of the die hole three (9) is larger than that of the die hole two (8).
10. The titanium alloy aviation cylinder deep drawing-electromagnetic pulse trimming composite die as claimed in claim 1, 2, 3, 4 or 5, further comprising a die holder (11), wherein the blank holder (2), the deep drawing female die (3) and the trimming female die (4) are sequentially arranged on the die holder (11), the die holder (11) is provided with a die hole four (12), and the die hole four (12) is communicated with a die hole three (9), a die hole two (8) and a die hole one (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210488455.7A CN114700426A (en) | 2022-05-06 | 2022-05-06 | Titanium alloy aviation cylinder deep drawing-electromagnetic pulse side cut composite die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210488455.7A CN114700426A (en) | 2022-05-06 | 2022-05-06 | Titanium alloy aviation cylinder deep drawing-electromagnetic pulse side cut composite die |
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| Publication Number | Publication Date |
|---|---|
| CN114700426A true CN114700426A (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210488455.7A Pending CN114700426A (en) | 2022-05-06 | 2022-05-06 | Titanium alloy aviation cylinder deep drawing-electromagnetic pulse side cut composite die |
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| CN (1) | CN114700426A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH079045A (en) * | 1993-06-23 | 1995-01-13 | Mazda Motor Corp | Pressing device |
| CN101683674A (en) * | 2008-09-27 | 2010-03-31 | 财团法人金属工业研究发展中心 | Electromagnetic pulse cutting device |
| CN203426277U (en) * | 2013-08-13 | 2014-02-12 | 刘峥霞 | Drawing and trimming compound die |
| CN204817713U (en) * | 2015-07-22 | 2015-12-02 | 武汉理工大学 | Compound mould of deep -drawing side cut of flanged pin part |
| CN110014068A (en) * | 2019-03-18 | 2019-07-16 | 华中科技大学 | A kind of electromagnetic cutting device and method based on collection chinaware |
-
2022
- 2022-05-06 CN CN202210488455.7A patent/CN114700426A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH079045A (en) * | 1993-06-23 | 1995-01-13 | Mazda Motor Corp | Pressing device |
| CN101683674A (en) * | 2008-09-27 | 2010-03-31 | 财团法人金属工业研究发展中心 | Electromagnetic pulse cutting device |
| CN203426277U (en) * | 2013-08-13 | 2014-02-12 | 刘峥霞 | Drawing and trimming compound die |
| CN204817713U (en) * | 2015-07-22 | 2015-12-02 | 武汉理工大学 | Compound mould of deep -drawing side cut of flanged pin part |
| CN110014068A (en) * | 2019-03-18 | 2019-07-16 | 华中科技大学 | A kind of electromagnetic cutting device and method based on collection chinaware |
Non-Patent Citations (1)
| Title |
|---|
| 崔晓辉;周向龙;杜志浩;喻海良;陈保国;: "电磁脉冲成形技术新进展及其在飞机蒙皮件制造中的应用", 航空制造技术, no. 03, 1 February 2020 (2020-02-01) * |
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