CN110228104B - Rhombus lightning protection metal net forming equipment, preparation method and rhombus lightning protection metal net - Google Patents
Rhombus lightning protection metal net forming equipment, preparation method and rhombus lightning protection metal net Download PDFInfo
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- CN110228104B CN110228104B CN201910246870.XA CN201910246870A CN110228104B CN 110228104 B CN110228104 B CN 110228104B CN 201910246870 A CN201910246870 A CN 201910246870A CN 110228104 B CN110228104 B CN 110228104B
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- 239000002184 metal Substances 0.000 title claims abstract description 150
- 238000002360 preparation method Methods 0.000 title description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000013508 migration Methods 0.000 claims abstract 4
- 230000005012 migration Effects 0.000 claims abstract 4
- 239000011888 foil Substances 0.000 claims description 73
- 229910003460 diamond Inorganic materials 0.000 claims description 29
- 239000010432 diamond Substances 0.000 claims description 29
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 7
- 239000002131 composite material Substances 0.000 description 8
- 238000004804 winding Methods 0.000 description 5
- 229920000049 Carbon (fiber) Polymers 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/3806—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F2001/3886—Cutting-out; Stamping-out shearing by reciprocating a straight blade, e.g. nibbling
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- Treatment Of Fiber Materials (AREA)
Abstract
The disclosure provides diamond-shaped lightning protection metal net forming equipment, a manufacturing method and a diamond-shaped lightning protection metal net. The specific technical scheme is as follows: the utility model provides a rhombus lightning protection metal mesh former, includes the granny rag machine, the granny rag machine includes cutter and bottom knife, the one end of going up the cutter orientation bottom knife has the cutting edge, the cutting edge includes that the tip links to each other, length equals, crossing and for the first sword and the second sword of the moving direction symmetry setting of metal forming, the one end that goes up the cutter has the cutting edge can for the bottom knife reciprocates and horizontal migration, the one end of going up the cutter orientation bottom knife is followed the horizontal migration direction is provided with a plurality ofly according to the first pitch equidistance of rhombus the cutting edge, the height of cutting edge is half and the metal forming thickness sum of the second pitch of rhombus. The lightning protection metal net forming method is simple, the lightning protection metal net mold is longer in service time, and time loss of cost caused by repeated molds is reduced.
Description
Technical Field
The disclosure relates to the technical field of lightning protection of composite materials, in particular to diamond-shaped lightning protection metal net forming equipment for lightning and electromagnetic protection of carbon fiber composite materials, a preparation method and a diamond-shaped lightning protection metal net.
Background
Carbon fiber composite materials are increasingly applied to airplanes and fan blades, but the carbon fiber composite materials are easy to be damaged by lightning due to poor electrical conductivity of the carbon fiber composite materials. Lightning protection metal mesh can effectively protect carbon-fibre composite to avoid the thunderbolt damage, and patent CN101949366A provides a weaving type lightning protection metal mesh woven with the wire, and this lightning protection metal mesh is easily dispersed and two silk intersections have great contact resistance, and lightning protection metal mesh patent CN205950263U has proposed an integrated into one piece lightning protection net and preparation facilities. However, the device is complex, the preparation method is complex, and the production efficiency is not high. CN207787444U provides a special machine for lightning protection metal extending net, which includes an extending net device for cutting and stretching a metal coiled belt into a diamond mesh metal net, the device provides the matching relationship among the metal net extending device, a leveling device, a strip trimming device and a leveling and leveling device, but the forming process and the forming method of the diamond metal net are not described.
Therefore, it is necessary to provide a diamond-shaped metal mesh forming device, which at least solves the problems of complex forming mold and low production efficiency in the prior art.
Disclosure of Invention
The embodiment of the disclosure provides diamond-shaped lightning protection metal mesh forming equipment, a manufacturing method and a diamond-shaped lightning protection metal mesh, and can solve the problems that in the prior art, the diamond-shaped lightning protection metal mesh has large contact resistance in the longitudinal and transverse directions and a forming mold is complex. The technical scheme is as follows:
according to the first aspect of the embodiment of the present disclosure, a rhombus lightning protection metal mesh forming device is provided, which comprises a mesh pulling machine, wherein the mesh pulling machine comprises an upper cutter and a lower cutter, a metal foil can pass between the upper cutter and the lower cutter, one end of the upper cutter facing the lower cutter is provided with a cutting edge, the cutting edge comprises a first cutting edge and a second cutting edge, the first cutting edge and the second cutting edge are connected at ends, are equal in length, are intersected, and are symmetrically arranged relative to the moving direction of the metal foil, one end of the upper cutter, which is provided with the cutting edge, can move up and down and horizontally relative to the lower cutter, and is mutually perpendicular to the moving direction of the metal foil, one end of the upper cutter facing the lower cutter is provided with a plurality of cutting edges along the horizontal moving direction according to a rhombus first pitch, and the height of the cutting edges is the.
The two steps of the cut and the stretching of the lightning protection metal net are combined into a whole. In addition, the accuracy of the meshes of the lightning protection metal net cannot be influenced after the cutter on the lightning protection metal net hauling machine is worn; the lightning protection metal net forming method is simple, the lightning protection metal net mold is longer in service time, and cost and time loss caused by repeated molds are reduced.
In one embodiment, the first pitch is a long pitch and the second pitch is a short pitch. Facilitating a reduction in the single movement distance and time of the metal foil.
In one embodiment, the net puller further comprises an undercutting device and a traversing device, the undercutting device and the traversing device are respectively connected with the upper cutter, the traversing device can drive the upper cutter to traverse relative to the lower cutter and can be parallel to the surface of the metal foil, and the undercutting device can drive the upper cutter to approach or move away from the lower cutter to finish cutting. So that the movement of the upper cutter is convenient for mechanical control.
In one embodiment, the drive means for the undercutting means and traversing means are digital servo motors. The execution speed is fast, the efficiency is high, and the structure is simple.
In one embodiment, the metal foil winding and unwinding device further comprises an uncoiler and a coiler, wherein the net puller is positioned between the uncoiler and the coiler, and the uncoiler and the coiler can be respectively used for rotatably connecting two ends of the metal foil. Is convenient for releasing and collecting materials and is convenient for industrial continuous production.
In one embodiment, the metal foil winding machine further comprises a leveler, the leveler is located between the net puller and the winding machine, and the leveler is used for leveling the cut metal foil. And customizing according to the requirements of users.
According to a second aspect of the embodiments of the present disclosure, a method for manufacturing a diamond lightning protection metal mesh is provided, where the diamond lightning protection metal mesh forming apparatus and the metal foil are provided, and the method includes the following steps:
the metal foil advances a distance of the width of the rhombic cut stems along the moving direction of the metal foil;
the upper cutter moves downwards, and after the metal foil is cut by the cutting edge, the upper cutter moves upwards to be separated from the metal foil;
the upper cutter moves to one side in the transverse direction, and the moving distance is half of the first pitch of the diamond;
the metal foil advances by a distance of the width of the metal mesh stem wire along the moving direction of the metal foil;
the upper cutter moves downwards, and after the metal foil is cut by the cutting edge, the upper cutter moves upwards to be separated from the metal foil;
the upper cutter moves towards the other side of the transverse direction, and the moving distance is half of the first pitch of the diamond.
Combining the cut and the stretching of the lightning protection metal net into a whole; the mesh precision of the lightning protection metal net cannot be influenced after the cutter on the lightning protection metal net puller is worn; the lightning protection metal net forming method is simple, the lightning protection metal net mold is longer in service time, and cost and time loss caused by repeated molds are reduced. The ductile lightning protection metal mesh is produced by a simpler method, and the problems of lightning protection and electromagnetic shielding of the composite material in the fields of aerospace, wind power, high-speed rail and the like are solved.
In some embodiments, the method wherein the lateral movement of the upper knife and the advancement of the foil in the direction of movement of the foil are synchronized. Providing production efficiency.
According to a third aspect of the embodiments of the present disclosure, there is provided a rhombic metal mesh, which is manufactured by using the above rhombic metal mesh forming apparatus; or the rhombic metal net is prepared by the preparation method of the rhombic metal net.
In some embodiments, the diamond-shaped metal mesh is a lightning protection metal mesh. The ductile lightning protection metal mesh is produced by a simpler method, and the problems of lightning protection and electromagnetic protection of the composite material in the fields of aerospace, wind power, high-speed rail and the like can be solved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic diagram illustrating the positional relationship between the upper and lower cutters during cutting according to the embodiment of the present disclosure;
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
FIG. 3 is a schematic front view of the upper and lower cutter positions during cutting according to the embodiment of the present disclosure;
FIG. 4 is a schematic view of the upper and lower cutter positions during cutting according to the embodiment of the present disclosure;
FIG. 5 is a schematic left view of the upper and lower cutter positions during cutting according to the embodiment of the disclosure;
FIG. 6 is a schematic view of a first shape of a foil when cut in an embodiment of the disclosure;
FIG. 7 is a schematic view of a second shape of a metal foil when cut in an embodiment of the disclosure;
FIG. 8 is a schematic view of a third shape of a metal foil when cut in an embodiment of the disclosure;
FIG. 9 is a schematic view of a fourth shape of a metal foil when cut in an embodiment of the present disclosure;
in the figure: 1 upper cutter, 11 blades, 12 first blades, 13 second blades, 2 lower cutters, 3 metal foils and 4 diamond holes.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The embodiment of the disclosure provides a rhombus lightning protection metal mesh forming device, which comprises a mesh pulling machine, and the mesh pulling machine comprises an upper cutter 1 and a lower cutter 2, and is shown in figures 1-9. The metal foil 3 can pass between the upper cutter 1 and the lower cutter 2, namely the upper cutter 1 and the lower cutter 2 are respectively positioned at two sides of the metal foil 3, and the cutting of the metal foil 3 can be completed through the relative movement of the upper cutter 1 and the lower cutter 2.
The end of the upper knife 1 facing the lower knife 2 has a cutting edge 11. The cutting edge 11 comprises a first edge 12 and a second edge 13. The first edge 12 and the second edge 13 are equal in length. One end of the first blade 12 and one end of the second blade 13 are connected and intersect. The first blade 12 and the second blade 13 are arranged symmetrically with respect to the moving direction of the metal foil 3.
One end of the upper cutter 1, which is provided with the cutting edge 11, can move up and down and horizontally relative to the lower cutter 2 and is perpendicular to the moving direction of the metal foil 3, in a three-axis coordinate system, the moving direction of the metal foil 3 is set to be an X axis, the upper cutter 1 moves up and down and moves horizontally relative to the lower cutter 2 on a Z axis and a Y axis respectively, the surface of the metal foil 3 is an XY plane, and the cutting edge 11 faces the XY plane, can move along the Z axis to cut and can move along the Y axis to translate.
One end of the upper cutter 1 facing the lower cutter 2 is provided with a plurality of cutting edges 11 at equal intervals in the horizontal moving direction, and the equal distance is the length of the first pitch of the diamond shape. The height of the cutting edge 11 is the sum of half of the short pitch of the diamond and the thickness of the metal foil. Further, the first pitch and the second pitch are respectively one of a long pitch and a short pitch of the diamond.
When the embodiment of the disclosure is used for preparing the diamond lightning protection metal mesh, the diamond lightning protection metal mesh can be prepared according to the following steps:
step 1: the metal foil advances a distance of the width of the rhombic cut stems along the moving direction of the metal foil;
step 2: the upper cutter moves downwards, and after the metal foil is cut by the cutting edge, the upper cutter moves upwards to be separated from the metal foil, so that the metal foil shown in the figure 6 is formed;
and step 3: the upper cutter moves to one side in the transverse direction, and the moving distance is half of the first pitch of the diamond;
and 4, step 4: the metal foil advances a distance of the width of the lightning protection metal net stalk wire along the moving direction of the metal foil;
and 5: the upper cutter moves downwards, and after the metal foil is cut by the cutting edge, the upper cutter moves upwards to be separated from the metal foil; the formation of a complete row of diamond lightning protection meshes is completed to form the metal foil shown in FIG. 7
Step 6: the upper cutter moves towards the other side of the transverse direction, and the moving distance is half of the first pitch of the diamond.
And 7: and (5) repeating the steps 1-6, referring to the figures 8 and 9, until the formation of the diamond lightning protection metal mesh is finished.
The embodiment of the disclosure combines the two steps of cutting and stretching of the lightning protection metal net into a whole; the mesh precision of the lightning protection metal net cannot be influenced after the cutter on the lightning protection metal net puller is worn; the lightning protection metal net forming method is simple, the lightning protection metal net mold is longer in service time, and cost and time loss caused by repeated molds are reduced.
In still another embodiment, the net puller further comprises a feeding device, the feeding device is used for feeding the metal foil along the X-axis direction, and the feeding device is driven by a digital servo motor.
In one embodiment, the net puller further comprises an undercutting device and a traversing device, the undercutting device and the traversing device are respectively connected with the upper cutter 1, the traversing device can drive the upper cutter 1 to traverse relative to the lower cutter 2 and can be parallel to the surface of the metal foil 3, and the undercutting device can drive the upper cutter 1 to approach or move away from the lower cutter 2 to complete cutting. Further, the driving means of the undercutting means and the traversing means may be digital servo motors.
In one embodiment, the net puller further comprises a work table for carrying the metal foil 3.
In one embodiment, the diamond lightning protection metal mesh forming device further comprises an uncoiler and a coiler. The net puller is positioned between the uncoiler and the coiling machine, the uncoiler and the coiling machine can be respectively used for rotatably connecting two ends of the metal foil 3, the uncoiler rotates to release the original material metal foil, and the coiling machine rotates to collect cut finished metal foils, namely the lightning protection metal net with diamond-shaped meshes.
In one embodiment, the diamond lightning protection metal mesh forming equipment further comprises a leveling machine, the leveling machine is located between the net puller and the winding machine, and the leveling machine is used for leveling the cut metal foil so as to be conveniently collected by the winding machine in a rotating mode.
According to another aspect of the present disclosure, an embodiment of the present disclosure further discloses a method for manufacturing a diamond-shaped lightning protection metal mesh, which provides the above-mentioned diamond-shaped lightning protection metal mesh forming apparatus and metal foil, and includes the following steps:
the metal foil 3 advances by a distance of the width of the lightning protection metal net stalk wire along the moving direction of the metal foil 3;
the upper cutter 1 moves downwards, and after the metal foil 3 is cut by the cutting edge 11, the upper cutter 1 moves upwards to be separated from the metal foil 3;
the upper cutter 1 moves to one side in the transverse direction, and the moving distance is half of the long pitch of the diamond;
the metal foil 3 advances by a distance of the width of the lightning protection metal net stalk wire along the moving direction of the metal foil 3;
the upper cutter 1 moves downwards, and after the metal foil 3 is cut by the cutting edge 11, the upper cutter 1 moves upwards to be separated from the metal foil 3;
the upper cutter 1 moves towards the other side of the transverse direction, and the moving distance is half of the long pitch of the diamond.
In one example, the diamond lightning protection metal mesh can be prepared by repeating the steps in sequence.
In one example, the transverse movement of the upper cutter 1 and the advance of the metal foil 3 along the movement direction of the metal foil 3 are performed simultaneously, which is not limited by the present disclosure.
According to another aspect of the disclosure, an embodiment of the disclosure further discloses a diamond lightning protection metal mesh, which is manufactured by adopting the diamond lightning protection metal mesh forming equipment, or is manufactured by adopting the diamond lightning protection metal mesh manufacturing method. Further, the diamond lightning protection metal mesh is a lightning protection metal mesh.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (5)
1. The utility model provides a rhombus lightning protection metal mesh former, its characterized in that, includes the granny rag machine, the granny rag machine includes cutter and bottom knife, and the metal forming can pass through between cutter and the bottom knife, the one end of going up the cutter orientation bottom knife has the cutting edge, the cutting edge includes that the tip links to each other, length equals, intersects and first sword and the second sword that sets up for the moving direction symmetry of metal forming, the one end that goes up the cutter had the cutting edge can for the bottom knife reciprocates and horizontal migration, and with the moving direction mutually perpendicular of metal forming, the one end of going up the cutter orientation bottom knife is followed the horizontal migration direction is provided with a plurality ofly according to rhombus first pitch equidistance the cutting edge, the height of cutting edge is half of rhombus second pitch and the sum of metal forming thickness.
2. The diamond wire forming apparatus of claim 1, wherein the first pitch is a long pitch and the second pitch is a short pitch.
3. The diamond wire netting forming apparatus of claim 1, wherein the wire netting machine further comprises an undercutting device and a traversing device, the undercutting device and the traversing device are respectively connected with the upper cutter, the traversing device can drive the upper cutter to traverse relative to the lower cutter and can be parallel to the surface of the metal foil, and the undercutting device can drive the upper cutter to approach or depart from the lower cutter to complete cutting.
4. A method for manufacturing a diamond-shaped metal net, wherein the diamond-shaped metal net forming device and the metal foil according to any one of claims 1 to 3 are provided, comprising the steps of:
the metal foil advances a distance of the width of the rhombic cut stems along the moving direction of the metal foil;
the upper cutter moves downwards, and after the metal foil is cut by the cutting edge, the upper cutter moves upwards to be separated from the metal foil;
the upper cutter moves to one side in the transverse direction, and the moving distance is half of the first pitch of the diamond;
the metal foil advances by a distance of the width of the metal mesh stem wire along the moving direction of the metal foil;
the upper cutter moves downwards, and after the metal foil is cut by the cutting edge, the upper cutter moves upwards to be separated from the metal foil;
the upper cutter moves towards the other side of the transverse direction, and the moving distance is half of the first pitch of the diamond.
5. The method for manufacturing diamond-shaped expanded metal according to claim 4, wherein the lateral movement of said upper cutter and the advance of said metal foil in the direction of movement of said metal foil are performed simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910246870.XA CN110228104B (en) | 2019-03-29 | 2019-03-29 | Rhombus lightning protection metal net forming equipment, preparation method and rhombus lightning protection metal net |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910246870.XA CN110228104B (en) | 2019-03-29 | 2019-03-29 | Rhombus lightning protection metal net forming equipment, preparation method and rhombus lightning protection metal net |
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| CN110228104A CN110228104A (en) | 2019-09-13 |
| CN110228104B true CN110228104B (en) | 2021-04-30 |
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| CN201910246870.XA Active CN110228104B (en) | 2019-03-29 | 2019-03-29 | Rhombus lightning protection metal net forming equipment, preparation method and rhombus lightning protection metal net |
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| CN111806719A (en) * | 2020-06-01 | 2020-10-23 | 有研金属复材技术有限公司 | Microporous copper net for lightning protection and preparation method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2828792A (en) * | 1951-10-12 | 1958-04-01 | Globe Company | Reticulating apparatus |
| CN1078181A (en) * | 1992-05-04 | 1993-11-10 | 无锡县大力金属网厂 | Creep extensive net and production technology thereof and equipment |
| US6892616B2 (en) * | 2000-11-28 | 2005-05-17 | Uht Corporation | Cutting apparatus |
| US8696781B2 (en) * | 2009-09-29 | 2014-04-15 | Wallner Tooling\Expac, Inc. | Expanded metal and process of making the same |
| CN106181408B (en) * | 2016-08-25 | 2019-04-12 | 西安爱邦电磁技术有限责任公司 | A kind of integrated molding lightning protection net and its preparation facilities and preparation method |
| CN108296350A (en) * | 2018-01-27 | 2018-07-20 | 江苏金松新材料有限公司 | A kind of lightning protection cold draw net and manufacture craft and its special-purpose machinery |
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Effective date of registration: 20210406 Address after: 710075 building B4, civil military integration industrial park, 176 Biyuan 2nd Road, high tech Zone, Xi'an City, Shaanxi Province Applicant after: XI'AN AIRBORNE ELECTROMAGNETIC TECHNOLOGY Co.,Ltd. Address before: 710075 East 1st floor, No.35 zhangbaxi Road, high tech Zone, Xi'an City, Shaanxi Province Applicant before: Xiong Xiu |
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Denomination of invention: A diamond shaped lightning protection metal mesh forming equipment, preparation method, and diamond shaped lightning protection metal mesh Effective date of registration: 20230524 Granted publication date: 20210430 Pledgee: China Construction Bank Corporation Xi'an Labor Road Sub-branch Pledgor: XI'AN AIRBORNE ELECTROMAGNETIC TECHNOLOGY Co.,Ltd. Registration number: Y2023980041640 |
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