JP2007313538A - Method and device for manufacturing metallic material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method and a device for manufacturing a metallic material capable of producing a brazing filler metal powder adhesive material in which a brazing filler metal powder adhesive layer is adhered to a surface of a metal plate with high efficiency, and depositing the brazing filler metal powder adhesive layer of high accuracy on the surface of the metal plate. <P>SOLUTION: The device for manufacturing the metallic material comprises a rewinding machine 2 for rewinding a metal plate 1, a blowing device 5 for uniformly coating a slurry-like brazing filler metal liquid 3 with a brazing filler metal powder and a binder being mixed with each other on a surface of the metal plate 1 rewound from the rewinding machine 2, a heating and drying furnace 8 for manufacturing a brazing filler metal powder adhesive material 10 with the brazing filler metal powder adhesive layer being deposited on the surface of the metal plate 1 by heating the metal plate 1 with the brazing filler metal liquid 3 coated thereon, and blowing off the binder in the brazing filler metal liquid 3, and a winding machine 15 for winding the brazing filler metal powder adhesive material 10 manufactured by the heating and drying furnace 8. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a metal material manufacturing method and apparatus.

  In recent years, for example, a metal powder having a brazing material mainly composed of nickel (Ni) or the like is pressure-bonded to both or one side of a base metal plate such as stainless steel or a heat-resistant alloy to produce a brazing material. Is to be performed.

Patent Document 1 discloses a general technical level related to a method for manufacturing such a brazing material pressure bonding material.
JP 2004-025251 A

  However, in the conventional method for manufacturing a brazing material pressure bonding material as shown in Patent Document 1, the operation of pressure bonding a brazing material layer to each surface of a metal plate cut into a predetermined shape is performed in a batch system. Therefore, there is a problem that the work is complicated and the productivity is low, and it is difficult to form the brazing material layer with a high accuracy and constant thickness.

  The present invention has been made in view of the above circumstances, and can efficiently produce a brazing powder adhesive material having a brazing powder adhesive layer on the surface of a metal plate, and the layer thickness of the brazing powder adhesive layer. Can be formed with high accuracy, and the brazing material powder bonding layer of the brazing material powder bonding material can be melted to produce a brazing material fusion material in which the fusing layer is integrated on the surface of the metal plate with high efficiency. It is an object of the present invention to provide a metal material manufacturing method and apparatus.

  In the metal material manufacturing method of the present invention, a slurry-like brazing material liquid in which a brazing material powder and a binder are mixed is uniformly applied to the surface of a moving metal plate by a spraying means, followed by heating by a heating / drying means. A brazing material powder bonding material in which a brazing material powder bonding layer is bonded to the surface of a metal plate is produced by blowing a binder of the material liquid.

  In the metal material manufacturing method of the present invention, a slurry-like brazing material liquid in which a brazing powder and a binder are mixed is extruded onto a surface of a moving metal plate by extruding and applying a layer of a predetermined thickness, followed by heat drying. A brazing material powder adhesive material in which a brazing material powder adhesive layer is adhered to the surface of the metal plate is produced by heating by means and blowing off the binder of the brazing material liquid.

  In the above metal material manufacturing method, a brazing material powder adhesive material in which a uniform brazing material powder adhesive layer is formed on the surface of the metal plate with a predetermined layer thickness that is reduced by a reduction means provided at least after the heating and drying means. It is preferable to manufacture.

  In the metal material manufacturing method of the present invention, the brazing powder powder adhesive material manufactured by the above metal material manufacturing method is heated, so that the brazing powder powder adhesive layer is melted and the fusion layer is integrally formed on the surface of the metal plate. It is characterized by producing a brazing material.

  The metal material manufacturing apparatus of the present invention uniformly applies a rewinding machine for rewinding a metal plate, and a slurry-like brazing material liquid in which a brazing powder and a binder are mixed on the surface of the metal plate unwound from the rewinding machine. A brazing material powder adhesive material in which a brazing material powder adhesive layer is formed on the surface of the metal plate by heating the metal plate coated with the brazing material liquid and heating the brazing material liquid binder. A heating and drying furnace and a winder for winding the brazing material powder adhesive material produced in the heating and drying furnace are provided.

  The metal material manufacturing apparatus of the present invention includes a rewinding machine that rewinds a metal plate, and extrudes a slurry-like brazing material liquid in which a brazing material powder and a binder are mixed onto the surface of the metal plate that is unwound from the rewinding machine. An extrusion coating apparatus for coating in a layered thickness and a brazing material powder adhesive layer formed on the surface of the metal plate by heating the metal plate coated with the brazing material liquid and flying the binder of the brazing material liquid. A heating / drying furnace for manufacturing the material powder adhesive material and a winder for winding the brazing material powder adhesive material manufactured in the heating / drying furnace are provided.

  In the metal material manufacturing apparatus, the extrusion coating apparatus includes: a brazing material liquid extruding unit that extrudes a brazing material liquid from a slit opening and deposits a brazing material liquid layer on the surface of the metal plate; And a thickness adjusting part for adjusting the layer thickness of the brazing material liquid extruded on the surface.

  In the metal material manufacturing apparatus, a reduction device for uniformly adjusting the brazing powder adhering layer formed on the surface of the metal plate with a predetermined layer thickness by arranging and reducing at least the latter stage of the heating and drying furnace. It is preferable to provide.

  In the metal material manufacturing apparatus of the present invention, the fusion bonding layer is integrally formed on the surface of the metal plate by heating the brazing material powder bonding material manufactured by the metal material manufacturing apparatus and melting the brazing material powder bonding layer. A melting heating furnace for producing a brazing filler material is provided.

  According to the metal material manufacturing method and apparatus of the present invention, the brazing material liquid is sprayed and applied to the surface of the moving metal plate by the spraying means, or the brazing material liquid is extruded and applied by the extrusion coating means, followed by heat drying. Since the brazing material powder adhesive material is manufactured by blowing the brazing material binder applied by means and bonding the brazing material powder adhesion layer to the surface of the metal plate, the brazing material powder adhesion layer is provided on the metal material surface. In addition, the brazing material powder adhesive material can be produced continuously and efficiently, and an excellent effect that the thickness of the brazing material powder adhesive layer can be easily adjusted can be obtained.

  There is an effect that it is possible to easily manufacture a brazing material powder adhesive material adjusted so that the brazing material powder adhesive layer is uniform with a predetermined layer thickness by reducing the temperature by at least the latter stage of the heating and drying means.

  The brazing material powder adhesive layer provided with the brazing material powder adhesive layer is heated by a melting heating means to melt the brazing material powder adhesive layer, and the fusion layer is integrally formed on the surface of the metal plate. The excellent effect that a dressing material can be manufactured continuously and highly efficiently can be produced.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
FIG. 1 shows an example of an apparatus for producing a brazing powder adhesive material according to the present invention.

  In FIG. 1, reference numeral 1 denotes a metal plate which is a base material for producing a brazing material powder adhesive material. The metal plate 1 is wound in a roll shape so that it is unwound after being mounted on a rewinding machine 2. It has become. The tip of the metal plate 1 unwound from the unwinder 2 is wound around a winder 15 provided at a distance from the unwinder 2, and the winder 15 is wound up. Thus, tension is applied to the metal plate 1.

  A spraying nozzle 4 is provided downstream of the unwinding machine 2 for unwinding the metal plate 1. The spraying nozzle 4 sprays a slurry-like brazing material liquid 3 in which a brazing material powder is mixed with a binder onto the surface of the metal plate 1 and uniformly coats it. A device 5 (spraying means) is provided. A plurality of the spray nozzles 4 are provided in the width direction of the metal plate 1 (perpendicular to the paper surface of FIG. 1) so that it can be applied uniformly in the width direction. Further, the thickness of the coating layer of the brazing material liquid 3 applied to the metal plate 1 is adjusted by either adjusting the injection amount of the brazing material liquid 3 by the spray nozzle 4 or adjusting the unwinding speed of the metal plate 1. Can be adjusted. When the metal plate 1 is made of stainless steel or a heat-resistant alloy, the brazing material liquid 3 is obtained by using, as shown in FIG. 3, a brazing material powder 3a mainly composed of nickel (Ni) or the like as an organic binder 3b. For example, cellulose ether is mixed with ethanol and / or a binder dissolved in methanol to form a slurry. The slurry-like brazing material liquid 3 is sprayed by the spray nozzle 4 and applied in a layered manner on the surface of the metal plate 1. Like to do.

  The brazing material liquid 3 may be applied to both surfaces of the metal plate 1 as shown in FIG. 1, or may be applied to one surface of the metal plate 1.

  A heating / drying furnace 8 (heating / drying means) for heating the metal plate 1 coated with the brazing material liquid 3 and flying the binder 3b of the brazing material liquid 3 is provided at the subsequent stage of the spraying device 5. The purpose of the heating and drying furnace 8 is to fly the binder 3b, and therefore, the heating and drying furnace 8 may be heated at a temperature that can promote the evaporation of the binder 3b. Further, in the heating and drying furnace 8, a drying gas 8a such as air is supplied to promote evaporation and removal of the binder.

  By blowing the binder in the heating and drying furnace 8, a brazing material powder adhesive material 10 in which a brazing material powder adhesive layer 9 is integrally bonded to the surface of the metal plate 1 as shown in FIG. 4 can be manufactured. A brazing material powder bonding material 10 having a brazing material powder bonding layer 9 bonded to the surface of the metal plate 1 is wound up by the winder 15 shown in FIG.

  Next, the operation of the embodiment shown in FIG. 1 will be described.

  The tip of the metal plate 1 unwound from the unwinder 2 in FIG. 1 is wound around a winder 15, and the metal plate 1 is tensioned by the winder 15, and the metal plate 1 is wound by the winder 15. The brazing material liquid 3 is sprayed from the spray nozzle 4 of the spraying device 5 in a spray form to form a layer of the brazing material liquid 3 on the surface of the metal plate 1 as shown in FIG. At this time, the thickness of the brazing material liquid 3 applied to the metal plate 1 is adjusted by either adjusting the injection amount of the brazing material liquid 3 by the spray nozzle 4 or adjusting the unwinding speed of the metal plate 1. Can be adjusted.

  The metal plate 1 to which the brazing material liquid 3 is applied is guided to the heating / drying furnace 8 and heated, whereby the binder 3b of the brazing material liquid 3 is blown off. As a result, as shown in FIG. A brazing material powder bonding material 10 having a brazing material powder bonding layer 9 integrally bonded to the surface is continuously manufactured. If the drying gas 8a such as air is supplied in the heating and drying furnace 8, the evaporation removal of the binder can be promoted.

  The brazing material powder adhesive material 10 in which the brazing material powder adhesive layer 9 is integrally bonded to the surface of the metal plate 1 is wound up by the winder 15.

  FIG. 2 shows a modification of the embodiment for producing the brazing powder adhering material shown in FIG. 1. A reduction device 11 (reduction means) is arranged at the rear stage of the heating and drying furnace 8, and the metal plate 1 The brazing material powder bonding material 10 having the brazing material powder bonding layer 9 adhered to the surface thereof is pressed down. You may make it provide the rolling reduction apparatus 11 installed in the back | latter stage of the heating-drying furnace 8 with two or more stages.

  In FIG. 2, the reduction device 11 is arranged at the rear stage of the heating and drying furnace. However, as shown by the broken line in the figure, the reduction device 11 a may be provided at the front stage of the heating and drying furnace 8.

  In the modification shown in FIG. 2, the reduction device 11 is provided at the rear stage of the heating and drying furnace 8. By reducing the brazing material powder adhesive material 10 with the reduction device 11, as shown in FIG. The material powder adhesive layer 9 can be adjusted to have a predetermined layer thickness and a uniform (flat) layer thickness. In addition, as shown by the broken line in FIG. 2, the pressure reduction device 11 a is provided in the front stage of the heating / drying furnace 8 to reduce the thickness of the brazing material liquid 3 of the metal plate 1 guided to the heating / drying furnace 8. Can be adjusted. The surface of the layer of the brazing material liquid 3 formed on the surface of the metal plate 1 by the spraying of the spray nozzle 4 has irregularities as shown in FIG. 3 and is thicker than the width of the metal plate 1. Since unevenness is likely to occur, it is preferable to uniformly adjust the layer thickness of the brazing material liquid 3 by the reduction device 11 a in the front stage of the heating and drying furnace 8.

  FIG. 6 shows another embodiment for producing the brazing powder adhesive material in the present invention. In this embodiment, a case where an extrusion coating device 16 (extrusion coating means) is provided instead of the spraying device 5 provided in the configuration of FIG. 1 is shown, and the configuration other than the provision of the extrusion coating device 16 is shown in the figure. This is the same as the case of 1.

  The extrusion coating device 16 is formed to be long in the width direction of the metal plate 1 (perpendicular to the plane of FIG. 6) at the lower end of the container 17a that receives the brazing material liquid 3, and the lower end of the container 17a. The brazing material liquid extruding part 17 having a slit opening 17b close to the surface of the metal plate 1 and the brazing material liquid extruding part 17 are extruded from the brazing material liquid extruding part 17 to the surface of the metal plate 1 in preparation for the subsequent stage. Further, the blade 18 or the thickness adjusting unit 19 including a weir is used to adjust the layer thickness of the brazing material liquid 3.

  In FIG. 6, the brazing material liquid extruding portion 17 is disposed on the upper side of the metal plate 1, and the brazing material liquid 3 in the container 17a is applied to the metal plate 1 from the slit opening 17b by gravity or a pressure applied to the container 17a. At this time, at least one of the size of the slit opening 17b, the storage amount (gravity) of the brazing material liquid 3 in the container 17a, and the unwinding speed of the metal plate 1 is adjusted. Thus, the layer thickness of the brazing material liquid 3 applied to the metal plate 1 can be adjusted.

  Further, when the brazing material liquid 3 is pushed out by applying a pressure to the container 17a, the extrusion coating device 16 comprising the brazing material liquid extruding part 17 and the thickness adjusting part 19 is placed under the metal plate 1. It is also possible to apply the brazing material liquid 3 on the upper surface of the metal plate 1. A heating and drying furnace 8 (heating and drying means) and a winder 15 are provided at the subsequent stage of the extrusion coating device 16 as in FIG.

  Next, the operation of the embodiment shown in FIG. 6 will be described.

  The tip of the metal plate 1 unwound from the unwinder 2 is wound around a winder 15 so that the metal plate 1 is tensioned by the winder 15, and the metal plate 1 is wound by the winder 15. At the same time, the brazing material liquid 3 is extruded from the slit opening 17b of the brazing material liquid extruding unit 17 in the extrusion coating device 16 to apply the brazing material liquid 3 in a layered manner on the surface of the metal plate 1. The metal plate 1 on which the brazing material liquid 3 is applied in layers is guided to the thickness adjusting unit 19 and the thickness of the metal plate 1 is adjusted by a blade 18 or a weir. As shown in FIG. Three layers of liquid are formed.

  The metal plate 1 whose layer thickness of the brazing material liquid 3 has been adjusted by the thickness adjusting unit 19 is guided to the heating and drying furnace 8 and heated, and the binder 3b of the brazing material liquid 3 is blown off, as shown in FIG. A brazing material powder bonding material 10 in which the brazing material powder bonding layer 9 is integrally bonded to the surface of the metal plate 1 is manufactured. At this time, since the thickness of the brazing material powder bonding layer 9 is adjusted by the thickness adjusting unit 19, the brazing material powder bonding material 10 having the brazing material powder bonding layer 9 having a predetermined layer thickness and a uniform layer thickness. Is manufactured continuously.

  FIG. 7 shows a modification of the embodiment for producing the brazing powder adhering material shown in FIG. 6. A reduction device 11 (reduction means) is arranged at the rear stage of the heating and drying furnace 8, and the metal plate 1 The brazing material powder bonding material 10 having the brazing material powder bonding layer 9 adhered to the surface thereof is pressed down. You may make it provide the rolling reduction apparatus 11 installed in the back | latter stage of the heating-drying furnace 8 with two or more stages.

  In FIG. 7, the reduction device 11 is arranged at the rear stage of the heating and drying furnace, but as shown by the broken line in the figure, the reduction device 11 a may be provided at the front stage of the heating and drying furnace 8.

  As shown in FIG. 7, when the brazing material powder adhesive material 10 is crushed by providing a reduction device 11 at the rear stage of the heating and drying furnace 8, as shown in FIG. Can be achieved with higher accuracy. In addition, as shown by the broken line in FIG. 7, when the reduction device 11 a is provided in the preceding stage of the heating and drying furnace 8, the layer thickness of the brazing material liquid 3 of the metal plate 1 led to the heating and drying furnace 8 is adjusted uniformly. can do.

  As shown in FIGS. 1, 2, 6, and 7, according to the brazing material powder bonding material 10 manufactured by integrally bonding the brazing material powder bonding layer 9 to the surface of the metal plate 1, The target material to be fixed to the surface of the material powder adhesive layer 9 is held in close contact, and heat treatment is performed at a temperature at which the brazing material powder adhesive layer 9 melts, whereby the metal plate 1 and the target material are brazed. It is possible to obtain a product that is integrally fixed via the.

  FIG. 11 shows an example of a form for producing the brazing filler material in the present invention.

  In this embodiment, a melting and heating furnace 12 (melting and heating means) is disposed after the heating and drying furnace 8 in the embodiment shown in FIG. 1, and the brazing powder adhering layer 9 is integrated on the surface of the metal plate 1 by the means shown in FIG. The brazing material powder adhesive material 10 adhered to the substrate is heated. The melting furnace 12 heats the brazing material powder bonding material 10 to a temperature at which the metal particles of the brazing material powder bonding layer 9 are softened and fused. In the melting furnace 12, for example, an inert gas 12 a such as nitrogen N 2 is supplied to prevent the fusion layer 13 from being oxidized.

  According to the form of FIG. 11, the brazing material liquid 3 is applied to the surface of the metal plate 1 by the spraying device 5, and the binder of the brazing material liquid 3 layer is further blown off in the heating and drying furnace 8, so that the brazing material powder adhesive layer 9 is formed. The integrally bonded brazing material powder bonding material 10 is heated by the melting furnace 12 to melt the brazing material powder bonding layer 9, and the fusion layer 13 is integrally formed on the metal plate 1 as shown in FIG. The brazing filler material 14 is continuously produced.

  In the embodiment of FIG. 11 as well, as shown in FIG. 12, a reduction device 11 for reducing the brazing powder adhesive material 10 is provided at the rear stage of the heating and drying furnace 8, or a broken line in FIG. As shown in FIG. 4, by providing a reduction device 11a for reducing the three layers of brazing material liquid in the previous stage of the heating and drying furnace 8, a predetermined layer thickness and uniformization of the fusion layer 13 of the brazing material fusion material 14 to be manufactured are achieved. It can be designed.

  As described above, in the brazing material fusion material 14 in which the fusion layer 13 made of the brazing material powder adhesive layer 9 is integrally formed on the surface of the metal plate 1, the fusion layer 13 is firmly fixed to the metal plate 1. Therefore, even if the brazing material 14 is cut, punched, bent, or the like, there is no problem that the fusion layer 13 is peeled off from the metal plate 1.

  FIG. 14 shows another embodiment for producing the brazing filler material in the present invention. This embodiment shows a case where an extrusion coating device 16 (extrusion coating means) similar to the configuration of FIG. 6 is provided instead of the spraying device 5 provided in the configuration of FIG. The configuration other than the provision is the same as in FIG.

  In the form of FIG. 14, the brazing material liquid 3 is applied to the surface of the metal plate 1 by the extrusion coating device 16, and the binder of the brazing material liquid 3 layer is further blown off in the heating and drying furnace 8 so that the brazing material powder adhesive layer 9 is integrated. The brazing powder adhering material 10 adhered to is heated by a melting heating furnace 12 to melt the brazing powder adhering layer 9, and the fused layer 13 is integrally formed on the metal plate 1 as shown in FIG. The brazing filler material 14 is continuously produced.

  In the embodiment of FIG. 14 as well, as shown in FIG. 15, a reduction device 11 for reducing the brazing powder adhesive material 10 is provided at the rear stage of the heating and drying furnace 8, or a broken line in FIG. As shown in FIG. 5, by providing a reduction device 11a for reducing the brazing material liquid layer in the front stage of the heating and drying furnace 8, a predetermined layer thickness and uniformization of the fusion layer 13 of the brazing material fusion material 14 to be manufactured are achieved. Can be.

  As shown in FIGS. 11, 12, 14, and 15, the brazing material fusion material 14 in which the fusion layer 13 made of the brazing material is integrally formed on the surface of the metal plate 1 is the brazing material fusion material 14. Even if cutting, punching, bending, or the like is performed, the problem that the fusion layer 13 peels off from the metal plate 1 does not occur, and therefore, it can be suitably used for brazing materials for various processing.

  In addition, this invention is not limited to the said form, Of course, a various change can be added in the range which does not deviate from the summary of this invention.

It is a side view which shows an example of the apparatus form which manufactures the brazing material powder adhesive material in this invention. It is a side view which shows the modification of the form which manufactures the brazing material powder adhesive material shown in FIG. It is sectional drawing which shows the state by which the brazing material was apply | coated to the surface of the metal plate in the layer form by the spraying apparatus. It is sectional drawing of the brazing material powder adhesive material by which the brazing material powder adhesion layer was adhere | attached integrally on the surface of the metal plate. It is sectional drawing which shows the state in which the brazing material powder contact bonding layer was adjusted to the uniform layer thickness. It is a side view which shows the other form which manufactures the brazing material powder adhesive material in this invention. It is a side view which shows the modification of the form which manufactures the brazing material powder adhesive material shown in FIG. It is sectional drawing which shows the state by which the brazing material was apply | coated to the surface of the metal plate in the uniform layer form by the extrusion coating apparatus. FIG. 3 is a cross-sectional view of a brazing powder adhesive material in which a brazing powder adhesive layer having a uniform layer thickness is integrally bonded to the surface of a metal plate. It is sectional drawing which shows the state which the layer thickness and uniformity of the brazing material powder adhesion layer were further improved. It is a side view which shows an example of the form which manufactures the brazing filler material in this invention. It is a side view which shows the modification of FIG. It is sectional drawing which shows the brazing | wax material fusion | melting material by which the fusion | melting layer was integrally formed on the metal plate. It is a side view which shows the other form which manufactures the brazing material fusion material in this invention. It is a side view which shows the modification of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Metal plate 2 Rewinder 3 Brazing material liquid 3a Powder 3b Binder 5 Spraying device 8 Heating and drying furnace 9 Brazing material powder adhesion layer 10 Brazing material powder adhesion material 11 Reduction device 11a Reduction device 12 Melting heating furnace 13 Fusion layer 14 Low Material fusion material 15 Winder 16 Extrusion coating device

Claims (9)

  A slurry-like brazing material liquid in which a brazing powder and a binder are mixed is uniformly applied to the surface of a moving metal plate by spraying means, and then heated by a heating and drying means to blow off the binder of the brazing material liquid. A method for producing a metal material, comprising producing a brazing powder adhering material having a brazing powder adhering layer adhered to a surface of a plate.   A slurry-like brazing material liquid in which a brazing powder and a binder are mixed is extruded and applied to a surface of a moving metal plate by extrusion coating means into a layer having a predetermined thickness, followed by heating by a heating and drying means, and the brazing material liquid. A method for producing a metal material, comprising: producing a brazing material powder adhesive material in which a brazing material powder adhesion layer is adhered to the surface of a metal plate by removing the binder.   A brazing material powder adhesive material in which a uniform brazing material powder adhesive layer is formed on the surface of the metal plate by a reduction by a reduction means provided at least in the subsequent stage of the heating and drying means is produced. The metal material manufacturing method according to claim 1 or 2.   The brazing material powder adhesive material manufactured by the metal material manufacturing method according to any one of claims 1 to 3 is heated to melt the brazing material powder adhesive layer so that the fusion layer is integrated with the surface of the metal plate. A method for producing a metal material, comprising producing a brazing material fusion material formed on the metal.   A rewinding machine for rewinding a metal plate, a spraying device for uniformly applying a slurry-like brazing material liquid in which a brazing powder and a binder are mixed on the surface of the metal plate unwound from the rewinding machine, and a brazing material liquid A heating / drying furnace for producing a brazing material powder adhesive material in which a brazing material powder adhesive layer is formed on the surface of the metal plate by heating the coated metal plate and flying the binder of the brazing material liquid, and the heating / drying furnace A metal material manufacturing apparatus comprising: a winder that winds up the brazing material powder adhesive material manufactured in (1).   A rewinding machine that rewinds a metal plate, and an extrusion coating that extrudes a slurry-like brazing material liquid in which a brazing material powder and a binder are mixed onto the surface of the metal plate that has been unwound from the rewinding machine, and applies it to a layer having a predetermined thickness. Heat drying to manufacture a brazing material powder adhesive material in which a brazing material powder adhesive layer is formed on the surface of the metal plate by heating the apparatus and the metal plate coated with the brazing material liquid to blow off the binder of the brazing material liquid An apparatus for producing a metal material, comprising: a furnace; and a winder that winds up the brazing material powder adhesive material produced in the heating and drying furnace.   The extrusion coating apparatus includes a brazing material liquid extruding unit that extrudes a brazing material liquid from a slit opening to adhere a brazing material liquid layer to the surface of the metal plate, and a brazing material extruded from the brazing material liquid extruding unit to the surface of the metal plate. The metal material manufacturing apparatus according to claim 6, further comprising a thickness adjusting unit that adjusts a layer thickness of the material liquid.   A reduction device is provided for uniformly adjusting the brazing material powder adhesive layer formed on the surface of the metal plate with a predetermined layer thickness by arranging and reducing at least the latter stage of the heating and drying furnace. The metal material manufacturing apparatus as described in any one of Claims 5-7.   The fusion bonding layer is integrally formed on the surface of the metal plate by heating the brazing powder adhering material produced by the metal material producing apparatus according to claim 5 to melt the brazing powder adhering layer. A metal material manufacturing apparatus comprising a melting heating furnace for manufacturing a formed brazing material.

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