Panel and method for manufacturing a panel, vehicle

Abstract

A kind of plate and its manufacturing method, vehicle, manufacturing method includes: bonding adhesive piece on membrane sheet;Membrane sheet is placed in mould, and adhesive piece is bonded with mould;Injection molding connecting piece in mould, and make connecting piece connect with membrane sheet.In advance bonding adhesive piece on membrane sheet, then the membrane sheet with adhesive piece is bonded is placed into mould, so that the inner wall of membrane sheet and mould can be connected, to avoid the phenomenon that membrane sheet warps and does not fit with mould, to prevent injection overflow glue to appearance surface, and the manufacturing method process is simple, efficient and low cost, without complex design and processing to mould structure, without damaging mould inner surface and without increasing insert positioning mechanism to realize plate manufacturing with good appearance, greatly improve product yield.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle parts, in particular to a plate and a manufacturing method thereof, and a vehicle. BACKGROUND

[0002] In recent years, lightweight and high performance of automobiles have gradually become an important way to achieve the goal of energy saving and emission reduction. Carbon fiber reinforced resin matrix composite materials can reduce the weight of the whole vehicle under the premise of ensuring strength and safety, so as to achieve the purpose of improving endurance, reducing fuel consumption and carbon emission. At the same time, the unique texture appearance of carbon fiber can give the automobile interior and exterior parts a unique temperament of high-grade luxury when used as automobile interior and exterior parts.

[0003] In the implementation process of insert injection molding process, if the insert and the profiling surface of the mold cavity are not completely matched, the edge is slightly raised, which will cause injection overflow to the appearance surface, thereby causing the product to be scrapped. Especially when using a thin-walled (thickness <1mm) carbon fiber composite surface layer as an insert, injection molding of large-sized parts (>800mm x 300mm), due to its high rigidity, wide width and accompanying resin cooling shrinkage deformation, it is difficult to completely match the profiling surface, the injection overflow risk is high, and the sample scrap rate is high. SUMMARY

[0004] The purpose of the present application is to provide a plate and a manufacturing method thereof, and a vehicle, which solves the problem of warping overflow in the mold during the manufacturing process of the plate.

[0005] To achieve the purpose of the present application, the present application provides the following technical solutions:

[0006] In a first aspect, the present application provides a manufacturing method of a plate, comprising: bonding an adhesive part on a film; placing the film in a mold and bonding the adhesive part with the mold; injection molding a connecting part in the mold and connecting the connecting part with the film.

[0007] In an embodiment, the adhesive part is connected head to tail to form a ring.

[0008] In an embodiment, the bonding strength of the adhesive part and the film is greater than the bonding strength of the adhesive part and the mold.

[0009] In an embodiment, the adhesive part is bonded on the four peripheral edges of the film, comprising: bonding the adhesive part to the edge of the film; pressing the adhesive part with a first preset pressure, and establishing a first bonding force between the adhesive part and the film.

[0010] In an embodiment, the first preset pressure is 10N / cm 2 ~ 15N / cm 2The first adhesion force is 2.5 N / cm to 3.5 N / cm.

[0011] In one embodiment, after the adhesive member is pressed by the first preset pressure, the adhesive member and the diaphragm are allowed to stand for 20 min to 40 min to establish the first adhesion force.

[0012] In one embodiment, the diaphragm with the adhesive member is placed in a mold, which comprises: spraying a release agent in the inner cavity of the mold; placing the diaphragm with the adhesive member in the mold; pressing the adhesive member by a second preset pressure to establish a second adhesion force between the adhesive member and the mold.

[0013] In one embodiment, the second preset pressure is 10 N / cm 2 to 15 N / cm 2 ; and the second adhesion force is 0.1 N / cm to 0.5 N / cm.

[0014] In one embodiment, the connecting member is injection molded in the mold, and the connecting member is connected to the diaphragm to obtain the plate member, which comprises: injecting a precursor material of the connecting member into the inner cavity of the mold; after the precursor material is formed, the connecting member is connected to the diaphragm to obtain the plate member, and the plate member has the adhesive member connected thereto; and the adhesive member is removed from the plate member.

[0015] In one embodiment, after the diaphragm with the adhesive member is placed in the mold, the diaphragm with the adhesive member separates the inner cavity of the mold into a first cavity and a second cavity, and the connecting member is injection molded in the second cavity.

[0016] In one embodiment, the adhesive member is a double-sided strong-weak adhesive tape, which comprises a first side and a second side opposite to each other, and the first side has a greater adhesion than the second side; the double-sided strong-weak adhesive tape has a thickness of less than or equal to 0.05 mm and a width of less than or equal to 10 mm.

[0017] In a second aspect, the present application further provides a plate member, which is manufactured by the manufacturing method of the plate member of the first aspect, and comprises a diaphragm and a connecting member connected to the diaphragm.

[0018] In a third aspect, the present application provides a vehicle, which comprises the plate member of the second aspect, and the plate member is installed in a cabin of the vehicle.

[0019] The present application pre-bonds the adhesive member on the film, and then places the film with the adhesive member into a mold, so that the film and the inner wall of the mold can be connected, thereby avoiding the film from being warped and not fitting the mold, preventing overflow of injection molding to the appearance surface, and the manufacturing method is simple in process, efficient and low in cost, without complex design and processing of the mold structure, without damaging the inner surface of the mold and without adding a positioning mechanism of the insert, and the plate member with good appearance can be manufactured, greatly improving the product yield. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only represent some of the embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort based on these drawings.

[0021] Figure 1 A manufacturing method flow chart of a plate member of an embodiment;

[0022] Figure 2 A structure schematic diagram when a plate member of an embodiment is manufactured. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments only represent some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without any creative effort belong to the scope of protection of the present application.

[0024] It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or there can be a middle component. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or there can be a middle component.

[0025] Unless otherwise defined, all technical and scientific terms used in the present application have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used in the present application includes any and all combinations of one or more related listed items.

[0026] Some embodiments of the present application will be described in detail with reference to the drawings. The following embodiments and features of the embodiments described below can be combined with each other in the case of no conflict.

[0027] For the convenience of understanding, the relevant technical terms involved in the present application are explained and described below.

[0028] Insert injection molding: a molding method in which an insert is fixed in an injection mold in advance and resin is injected to connect with the insert.

[0029] Prepreg: a sheet or tape of resin and fiber after the impregnation process and cooling and setting.

[0030] The present application provides a plate and a vehicle provided with the plate. The vehicle can be a fuel vehicle or a new energy vehicle, and the plate is installed in the cabin of the vehicle. The plate can be a decorative part in the cabin, which can increase the aesthetic appearance and protect parts.

[0031] In one embodiment, the plate can be installed on the door, the center console, the central armrest console, the steering wheel, etc.

[0032] In one embodiment, the plate can be a three-dimensional structure, specifically, the shape is not limited, and the shape of the plate can be determined according to the required installation.

[0033] In one embodiment, the plate includes a film and a connecting piece connected to the film. Specifically, from the outermost surface of the plate (the surface that can be contacted by the passenger) to the inside, the film and the connecting piece are sequentially arranged.

[0034] In one embodiment, the present application further provides a manufacturing method of the plate, please refer to Figure 1 , comprising the following steps:

[0035] S10, bonding an adhesive piece on the film.

[0036] S20, placing the film in a mold and bonding the adhesive piece with the mold.

[0037] S30, injection molding the connecting piece in the mold and connecting the connecting piece with the film.

[0038] In one embodiment, in step S10, the film can be two-dimensional or three-dimensional, and a continuous or discontinuous adhesive piece can be arranged around the periphery of the film.

[0039] In one embodiment, in step S10, the film is made of carbon fiber reinforced transparent resin preform, the base material of the film has high light transmittance, the film can have a preset texture state, and the pattern of the plate directly visible to the passenger comes from the film; the connecting piece is used to assemble the plate with the interior frame of the vehicle, and the connecting piece can be detachably connected with the interior frame of the vehicle.

[0040] In one embodiment, in step S10, the four peripheral edges of the film are the outer peripheral contour of the film, which can be regular or irregular. The adhesive piece is connected at the beginning and the end to form a ring, that is, it surrounds the outer periphery of the film. By arranging the adhesive piece to be connected at the beginning and the end to form a ring, the gap between the film and the inner wall of the mold can be reduced, thereby avoiding the precursor of the connecting piece flowing to the back of the film through the gap.

[0041] In one embodiment, in step S10, the adhesive piece can also be attached to the four peripheral edges of the film, and the adhesive piece is multiple and is specifically distributed at the positions where the film is prone to warp.

[0042] In one embodiment, in step S10, the adhesive piece can be double-sided tape, liquid glue, solid glue, etc.

[0043] In one embodiment, in step S20, please refer to Figure 2 , the mold can include a fixed mold 2 and a movable mold 5, wherein the fixed mold 2 and the movable mold 5 jointly enclose the inner cavity 3 of the mold, the film 4 can be placed in the fixed mold 2, the shape of the film 4 is the same as the shape of the inner cavity 3 of the fixed mold 2, so that the adhesive piece 1 can be connected to the inner wall of the fixed mold 2.

[0044] In one embodiment, in step S30, the material of the connecting piece can be glass fiber reinforced polypropylene PP, polyamide PA, polyphenylene sulfide PPS, and an alloy of polycarbonate PC and acrylonitrile-butadiene-styrene copolymer ABS (PC / ABS).

[0045] In one embodiment, in step S30, the material of the connecting piece is injected, and then the connecting piece is connected with the film after the connecting piece is cooled and formed.

[0046] In one embodiment, before step S10, it further includes: blanking and blanking the film to obtain a two-dimensional unfolded plane of the product. The two-dimensional unfolded shape of the product can be understood as: after unfolding the plate of the final three-dimensional structure into a plane, the obtained two-dimensional sheet-shaped mold. It can be understood that the outer surface area of the two-dimensional unfolded shape is the same as the outer specific surface area of the plate of the final three-dimensional structure.

[0047] In one embodiment, the two-dimensional unfolded plane is unfolded by a product numerical model in software, and then the film is placed between the punch and the die of the blanking die to blank and blank while punching a positioning hole. The tonnage of the die press is 80T, and the tool material is high-speed steel.

[0048] In an embodiment, the film has a carbon fiber texture, including one or more of a continuous plain weave, a twill weave, a satin weave, or a chopped carbon fiber texture.

[0049] In an embodiment, the film includes a substrate, and a material of the substrate includes one or more of polymethyl methacrylate, polystyrene, and polycarbonate. The film has a thickness of 1 mm ± 0.02 mm.

[0050] In an embodiment, before step S10, the method further includes: hot-pressing the two-dimensional film to obtain a three-dimensional film. The specific steps are as follows: placing the two-dimensional film on a hot-pressing mold of the film, heating the mold to a temperature of 15-20°C higher than a melting point of a resin of the prepreg, and hot-pressing the mold to form the three-dimensional film, with a gap of 1 mm ± 0.02 mm.

[0051] The film is pre-bonded with the adhesive part, and then the decorative film with the adhesive part is placed in the mold, so that the film and the inner wall of the mold can be connected, thereby avoiding the film from being warped and not fitted with the mold, preventing overflow of injection molding to the appearance surface, and achieving simple, efficient, and low-cost manufacturing process without complex design and processing of the mold structure, without damage to the inner surface of the mold, and without the need for an insert positioning mechanism to achieve manufacturing of a plate with a good appearance, thereby greatly improving product yield.

[0052] In an embodiment, the adhesive strength between the adhesive part and the film is greater than the adhesive strength between the adhesive part and the mold. Specifically, the adhesive strength refers to the adhesive force borne by a unit adhesive surface. The adhesive strength mainly includes cohesive strength of a glue layer and adhesive strength between the glue layer and a bonded surface. The stronger the adhesive strength, the greater the adhesive force between the two, and the more difficult it is to separate them. After the adhesive part is bonded with the film, it is more difficult to fall off. Therefore, after the connecting part is formed by injection molding, the plate is taken out, and the adhesive part can be bonded on the plate together. The present application sets the adhesive strength of the side of the adhesive part connected with the film to be greater, thereby ensuring that the adhesive part remains on the plate after the plate is formed and taken out of the mold, and does not remain in the mold, reducing the process of cleaning the mold and improving the efficiency of the manufacturing process.

[0053] In an embodiment, referring to Figure 2 After the film 4 with the adhesive part 1 is placed in the mold, the film 4 with the adhesive part 1 divides the inner cavity 3 of the mold to form a first chamber and a second chamber, and the connecting part is injection molded in the second chamber.

[0054] In an embodiment, the adhesive part is bonded to the edge of the film, and a first adhesive force is established between the adhesive part and the film by pressing the adhesive part with a first preset pressure.

[0055] In one embodiment, the adhesive member is attached to the edge of the film, and a roller is used to apply a first preset pressure to the adhesive member, and then the adhesive member and the film are allowed to stand for a period of time to establish a first adhesive force between the adhesive member and the film.

[0056] In one embodiment, the first preset pressure is 10 N / cm 2 ~ 15 N / cm 2 . Specifically, the first preset pressure can be 10 N / cm 2 , 11 N / cm 2 , 12 N / cm 2 , 13 N / cm 2 , 14 N / cm 2 , or 15 N / cm 2 . If the first preset pressure is less than the above range, the first adhesive force will be too weak, and the adhesive strength will be insufficient. If the first preset pressure is greater than the above range, the first adhesive force will be too strong, and it will be difficult to remove the adhesive member later, and the film can be damaged.

[0057] In one embodiment, the first adhesive force is 2.5 N / cm ~ 3.5 N / cm. Specifically, the first adhesive force can be 2.5 N / cm, 2.6 N / cm, 2.7 N / cm, 2.8 N / cm, 2.9 N / cm, 3 N / cm, 3.1 N / cm, 3.2 N / cm, 3.3 N / cm, 3.4 N / cm, or 3.5 N / cm. If the first adhesive force is less than the above range, the adhesive strength will be insufficient, and after the plate member is removed, the adhesive member can be left on the mold. If the first adhesive force is greater than the above range, it will be difficult to remove the adhesive member later, and the film can be damaged.

[0058] In one embodiment, after the adhesive member is compressed at the first preset pressure, it is allowed to stand for 20 min ~ 40 min to establish the first adhesive force between the adhesive member and the film.

[0059] In one embodiment, the film with the adhesive member is placed in a mold, which includes: spraying a release agent in the inner cavity of the mold; placing the film with the adhesive member in the mold; and compressing the adhesive member at a second preset pressure to establish a second adhesive force between the adhesive member and the mold.

[0060] In one embodiment, the second preset pressure is 10 N / cm 2 ~ 15 N / cm 2 . Specifically, the second preset pressure can be 10 N / cm 2 , 11 N / cm 2 , 12 N / cm 2 , 13 N / cm 2 , 14 N / cm 2 , or 15 N / cm2 When the second preset pressure is less than the range, the second adhesive force is too weak, and the strength of the adhesion is insufficient; when the second preset pressure is greater than the range, the second adhesive force is too strong, the adhesive member is difficult to be removed later, and the diaphragm can be damaged.

[0061] In an embodiment, the second adhesive force is 0.1 N / cm to 0.5 N / cm. Specifically, the second adhesive force can be 0.1 N / cm, 0.2 N / cm, 0.3 N / cm, 0.4 N / cm, or 0.5 N / cm. When the second adhesive force is less than the range, the strength of the adhesion is insufficient, and there can be a gap between the adhesive member and the mold, causing the injection liquid to penetrate; when the second adhesive force is greater than the range, the adhesive member can be left on the mold later, and the diaphragm can be damaged.

[0062] In an embodiment, the injection member is injection molded in the mold, the injection member is connected with the diaphragm to obtain a plate member, and the plate member includes: injecting a precursor material of the injection member in a cavity of the mold; connecting the injection member with the diaphragm after the precursor material is molded to obtain the plate member, the plate member has the adhesive member connected thereto; and removing the adhesive member from the plate member.

[0063] In an embodiment, the movable mold and the fixed mold are closed, the precursor material of the injection member is injected and connected with the diaphragm, the mold is opened to take out the member after 30 s of pressure maintaining, and due to the difference in adhesive force between the two surfaces of the adhesive member, the adhesive member is directionally left on the surface of the plate member (diaphragm) during the mold opening process, and then manually removed to ensure no adhesive residue to obtain a final product.

[0064] In an embodiment, the precursor material of the injection member is consistent with the base resin of the diaphragm and is reinforced by 20% to 40% mass fraction of chopped glass fibers to ensure effective connection between the injection member and the diaphragm.

[0065] In an embodiment, the adhesive member is a double-sided strong-weak adhesive tape, the double-sided strong-weak adhesive tape includes opposite first and second surfaces, the adhesion of the first surface is greater than that of the second surface, the thickness of the double-sided strong-weak adhesive tape is less than or equal to 0.05 mm, and the width of the double-sided strong-weak adhesive tape is less than or equal to 10 mm. In this way, the adhesive part is ensured not to have a dent on the surface of the product due to excessive injection pressure.

[0066] The technical solutions of the present application are described in detail below through specific examples. It should be noted that the following examples and comparative examples select the manufacturing process of a forged carbon fiber textured interior door panel to be described in detail.

[0067] Example 1:

[0068] The embodiment provides a car door interior panel (panel) and a manufacturing method, wherein the base resin of the car door interior panel is polypropylene (PP), a carbon fiber reinforced PP prepreg, and the resin content is 40%, wherein the carbon fiber fabric is a carbon fiber twill fabric, and the areal density is 200 g / m 2 .

[0069] The manufacturing method comprises the following steps:

[0070] 1) The car door interior panel is two-dimensionally unfolded in software to obtain a corresponding plan view (with positioning holes), and a corresponding high-speed steel blanking tool is developed according to the plan view. The carbon fiber reinforced PP prepreg sheet (membrane sheet) material is placed between the concave-convex die of the blanking die, and then the die is closed to fall material and punch holes.

[0071] 2) The prepreg sheet obtained by cutting is placed on the surface layer of the product after the upper and lower surfaces are covered with glass / PTFE release cloth, the mold is preheated to 210 DEG C, and the mold is closed after preheating for 2 min. In order to ensure that the fabric texture is not disordered, the closing pressure is controlled to be not more than 0.1 MPa. Hot pressing for 3 min to shape the surface layer of the interior panel, and then slowly opening the mold to cool, and demolding to obtain the carbon fiber membrane sheet.

[0072] 3) The membrane sheet is pasted with 3M tape strong glue side (adhesive part) at the easy warping parts (both ends and middle edges), wherein the thickness of the tape is 0.025 mm, the width is 10 mm, and the length of the tape at each bonding part is not less than 100 mm. A roller is uniformly applied to the front surface with a pressure of 10 N / cm 2 ~ 15 N / cm 2 , and then placed for 30 min to pre-establish an adhesive force of about 3 N / cm on the bonding surface.

[0073] 4) Spray release agent in the mold cavity, place the membrane sheet pasted with tape in the cavity, remove the release film on the weak glue side, and paste the weak glue side to the mold surface. A roller is uniformly applied to the front surface with a pressure of 10 N / cm 2 ~ 15 N / cm 2 to establish an adhesive force of about 0.3 N / cm on the surface.

[0074] 5) Close the mold and inject 20% glass fiber reinforced PP composite material (precursor material of the connecting part), set the three-stage temperature of the injection cylinder to 210 DEG C-215 DEG C-210 DEG C, keep pressure for 30 s, then cool for 20 s, and then open the mold to take out the part. Due to the difference in adhesive force on both sides, the tape can be oriented and left on the surface of the product, and then manually removed to ensure that the surface of the product is free of glue, and the final part is obtained.

[0075] Comparative Example 1

[0076] The comparative example provides a car door interior panel, which is manufactured by an existing process on the market.

[0077] The car door interior panel provided by Example 1 and Comparative Example 1 was subjected to the following experimental tests, and the experimental results were obtained.

[0078] Alternating damp heat test

[0079] Alternating damp heat test was carried out according to the following Table 1 test conditions, and the surface state of the product should be observed after at least 5 cycles.

[0080] Table 1

[0081]

[0082] Test results: the car door interior panel provided by Example 1 did not appear distortion, deformation, cracking, peeling and delamination, softening, hardening, blistering, whitening, wrinkling, discoloration and other phenomena. The car door interior panel provided by Comparative Example 1 appeared distortion, deformation, cracking, peeling and delamination, softening, hardening, blistering, whitening, wrinkling, discoloration.

[0083] Low temperature impact test

[0084] The product was placed in a thermostat, the temperature of the thermostat was set to -40℃, and after 4h, the impacted surface was placed upward and fixed, a 500g, 50mm diameter steel ball was naturally dropped from 400mm above the impacted surface, the impact process should be completed within 15s after the product was taken out of the thermostat, and then the surface state of the sample was observed.

[0085] Test results: the car door interior panel provided by Example 1 did not appear cracking, cracking and breaking. The car door interior panel provided by Comparative Example 1 appeared cracking, cracking and breaking.

[0086] In summary, the car door interior panel provided by the present application is pre-bonded with the adhesive part, and then the film with the adhesive part is placed in the mold, so that the film and the inner wall of the mold can be connected, thereby avoiding the phenomenon that the film is warped and does not fit with the mold, thereby preventing the overflow of injection molding to the appearance surface, and the manufacturing method has simple process, high efficiency and low cost, does not need to make complex design and processing to the mold structure, does not damage the inner surface of the mold and does not need to increase the positioning mechanism of the insert to realize the manufacturing of the panel with good appearance, and greatly improves the product yield.

[0087] In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0088] The above disclosed is only a preferred embodiment of the present application, of course, cannot be limited by this, the person skilled in the art can understand that the all or part of the processes of the above-mentioned embodiment are realized, and the equivalent changes made according to the claims of the present application still belong to the scope covered by the present application.

Claims

1. A method for manufacturing a sheet metal part, characterized in that, include: Adhesive components are bonded to the diaphragm; The diaphragm is placed in the mold, and the adhesive component is bonded to the mold. The connector is injection molded in the mold, and the connector is connected to the diaphragm. Adhesive components are bonded to the four periphery of the diaphragm, including: The adhesive element is bonded to the edge of the diaphragm; The adhesive component is pressed with a first preset pressure, thereby establishing a first adhesive force between the adhesive component and the diaphragm. Placing the diaphragm having the adhesive element in a mold includes: The diaphragm having the adhesive element is placed in the mold; The adhesive component is pressed with a second preset pressure, thereby establishing a second adhesive force between the adhesive component and the mold. The adhesive strength between the adhesive component and the diaphragm is greater than the adhesive strength between the adhesive component and the mold.

2. The manufacturing method according to claim 1, characterized in that, The adhesive components are connected in a ring shape at both ends.

3. The manufacturing method according to claim 1, characterized in that, The first preset pressure is 10 N / cm 2 ~15N / cm 2 The first adhesive force is 2.5 N / cm to 3.5 N / cm.

4. The manufacturing method according to claim 1, characterized in that, After pressing the adhesive component with the first preset pressure, it is left to stand, allowing the first adhesive force to be established between the adhesive component and the diaphragm.

5. The manufacturing method according to claim 1, characterized in that, The second preset pressure is 10 N / cm 2 ~15N / cm 2 The second adhesive force is 0.1 N / cm to 0.5 N / cm.

6. The manufacturing method according to claim 1, characterized in that, The adhesive component is a double-sided strong-weak adhesive tape, which includes a first side and a second side that are opposite to each other. The first side has a stronger adhesiveness than the second side. The thickness of the double-sided strong-weak adhesive tape is less than or equal to 0.05 mm, and the width is less than or equal to 10 mm.

7. A sheet metal component, characterized in that, The plate is manufactured by the method of manufacturing a plate according to any one of claims 1-6, and the plate includes a diaphragm and a connector connected to the diaphragm.

8. A vehicle, characterized in that, Includes the panel as described in claim 7, said panel being installed within the vehicle's cabin.

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