JP6573087B1 - Hub type blade - Google Patents

Abstract

To provide a hub type blade having an adhesive connection part for connecting at least one side of a hub and a blade body by an adhesive force and capable of improving cutting ability. A hub-type blade 100 is disposed between a titanium hub 10, a blade body 30, and between the titanium hub 10 and the blade body 30 and holds a blade mounting surface 10A and a connection surface 30T with adhesive force. An adhesive connection part 120 connecting the titanium hub 10 and the blade body 30 and an outer peripheral side and an inner peripheral side of the adhesive connection part 120 are provided to reinforce the connection between the blade mounting surface 10A and the connection surface 30T. And a connection reinforcing portion 140 that is provided. [Selection] Figure 2

Description

  The present invention relates to a hub-type blade used for cutting a substrate made of a semiconductor material or the like into individual chips.

  As is well known, when a substrate made of a semiconductor material or the like is cut into chips, a blade formed in a circular shape is used. As a form for stably rotating the blade, the blade body A hub-type blade in which is held by a hub member is widely used (see, for example, Patent Document 1).

  The hub type blade includes, for example, a hub made of an aluminum alloy, and an electroformed blade main body formed by nickel plating on one surface of the hub, and the hub and the electroformed blade main body are integrally connected. It is common.

  The conventional hub type blade is, for example, by dipping a masked aluminum base metal in a nickel plating solution in which diamond superabrasives are dispersed and nickel-plating the blade forming surface to form a base plate of the electroformed blade body. Form. Thereafter, the blade body is protruded by performing outer diameter processing and alkali etching, the diamond superabrasive grains are exposed by an electrolytic dress, and a dicer dressing is performed to complete a hub type blade.

The above-described conventional hub type blade manufacturing method has many processes that are complicated and difficult to control, and it has been difficult to efficiently manufacture a highly accurate product.
Therefore, a hub-type blade was developed in which the hub and the blade body were formed separately, and the hub and the blade body that passed the inspection could be efficiently manufactured by using an adhesive tape or the like having an adhesive surface. When the connection is made with an adhesive tape or the like, the hub and the blade body can be connected in a short time, so that the hub type blade can be manufactured efficiently.

JP-A-5-345281

  However, although the hub type blade in which the hub and the blade body are connected by an adhesive tape or the like can be efficiently manufactured, the connection force of the adhesive portion may be insufficient depending on the cutting conditions. On the other hand, it is desired to improve the cutting performance of a hub-type blade provided with an adhesive connection portion that connects at least one of the hub and the blade body by adhesive force.

  The present invention has been made in consideration of such circumstances, and has an adhesive connection portion that connects at least one of the hub and the blade body with an adhesive force, and can improve cutting ability. It aims to provide a possible hub type blade.

In order to solve the above problems, the present invention proposes the following means.
The invention according to claim 1 is a titanium hub formed of titanium or a titanium alloy so as to be rotatable around an axis and having a blade mounting surface formed on one side in the axial direction, and a connection surface connected to the blade mounting surface. The titanium hub is disposed between the formed blade body, the titanium hub and the blade body, and holds either the blade mounting surface or the connection surface with an adhesive force and the other with an adhesive force or an adhesive. And an adhesive connection part that connects the blade body, at least one of an outer peripheral side and an inner peripheral side of the adhesive connection part, a joint surface between the blade attachment surface and the adhesive connection part, and, in the cemented surface between the adhesive connecting portion and the connecting surface, it is provided with at least one of the joining surfaces in contact with the connection reinforcing portion joined by adhesion And features.

  According to the hub type blade of the present invention, the hub is made of a titanium alloy or pure titanium and has a large specific strength, and the connection reinforcing portion is an adhesive between the blade mounting surface and the connection surface and the adhesive connection portion. Since the connection strength between the hub and the blade body is increased by connecting (including) at least one portion held by the force, high-speed rotation is possible. As a result, the cutting ability of the hub type blade can be improved.

In this specification, the adhesive connection means that the hub and the blade body are connected by holding at least one of the blade attachment surface and the connection surface with an adhesive force.
Further, the adhesive connection portion is disposed between the hub and the blade body, holds either the blade mounting surface or the connection surface with an adhesive force, and holds the other with an adhesive force or an adhesive force. The part that connects and.

  In addition, the outer peripheral side of the adhesive connecting portion refers to any outer peripheral side of the constituent elements of the adhesive connecting portion. For example, the adhesive connecting member (for example, an adhesive connecting member in which an adhesive is disposed on a base material) In the case of having an adhesive tape), any outer peripheral side of the base material and the adhesive resin may be included, and a portion located inside one of the constituent elements may be included. Further, the component may be in contact with or separated from the component. The same applies to the inner peripheral side of the adhesive connection portion.

  The connection reinforcing portion is disposed on the outer peripheral side and / or the inner peripheral side of the adhesive connection portion, and is held by an adhesive force between at least one of the blade mounting surface and the connection surface and the adhesive connection portion. For example, a hub and a blade body, a hub and an adhesive connection portion, and a blade body and an adhesive connection portion are connected.

  The invention according to claim 2 is the hub type blade according to claim 1, wherein the adhesive connecting portion is constituted by a double-sided adhesive connecting member.

  According to the hub type blade of the present invention, since the adhesive connecting portion is constituted by the double-sided adhesive connecting member, the hub mounting surface of the hub and the connecting surface of the blade body are connected in a short time by the adhesive force. The mold blade can be manufactured efficiently.

  In this specification, the adhesive connection member is a single-sided adhesive member whose one surface is an adhesive surface, a double-sided adhesive member whose both surfaces are adhesive surfaces, for example, one surface of a tape substrate, Or a resin having adhesiveness on both sides (hereinafter referred to as "adhesive"), an adhesive formed into a sheet and one side or both sides being adhesive (adhesive transfer tape, etc.) And various other configurations.

  The invention according to claim 3 is the hub type blade according to claim 1 or 2, wherein the connection reinforcing portion is arranged in at least one of the circumferential direction of the outer peripheral side and the inner peripheral side of the adhesive connection portion. The blade mounting surface and the connection surface are formed and configured to connect.

According to the hub type blade according to the present invention, the connection reinforcing portion is formed in the circumferential direction (symmetric with respect to the axis) of at least one of the outer peripheral side and the inner peripheral side of the adhesive connection portion. The mold blade can be rotated stably. Further, since the blade mounting surface and the connection surface are connected, a large connection force can be stably secured.
Here, being formed in the circumferential direction includes being formed over the entire circumference in the circumferential direction and being intermittently formed in the circumferential direction.

  The invention according to claim 4 is the hub-type blade according to claim 1 or 2, wherein the connection reinforcing portion is the entire circumferential direction of at least one of the outer peripheral side and the inner peripheral side of the adhesive connection portion. It is characterized in that it is configured to seal a portion formed over the circumference and held by adhesive force.

According to the hub type blade according to the present invention, since the connection reinforcing portion is configured to seal the outer peripheral side or / and the inner peripheral side of the adhesive connecting portion, the cutting fluid, fine particles, etc. at the time of cutting, the manufacturing process It is possible to prevent the coolant or the like from entering the adhesive surface.
As a result, for example, the adhesive surface can be prevented from being deteriorated by a cutting fluid (for example, alkaline cutting fluid) harmful to the adhesive or a cooling fluid.

  The invention according to claim 5 is the hub type blade according to any one of claims 1 to 4, wherein the connection reinforcing portion is formed by curing a photo-curing resin. .

According to the hub type blade according to the present invention, the connection reinforcing portion is formed by curing the photo-curing resin, and is cured in a short time when irradiated with light, so that the connection reinforcing portion can be efficiently formed. In addition, since it cures in a short time, the hub and blade body are prevented from moving together, and the shape of the connection reinforcing part is suppressed during the curing of the adhesive, improving the quality of the hub type blade. can do.
Moreover, since it hardens | cures by irradiation of light, energy saving is realizable when forming a connection reinforcement part.

  The invention according to claim 6 is the hub type blade according to claim 5, wherein the photo-curing resin is a retarding photo-curing resin.

  According to the hub type blade according to the present invention, since the connection reinforcing portion is formed by curing the retarding photo-curing resin, an appropriate time is ensured between the application of the adhesive and the connection between the hub and the blade body. can do.

According to a hub type blade according to the present invention, the hub is increased and has a large specific strength is formed of titanium alloy or pure titanium down, the cutting capacity because it is capable of high-speed rotation by the connection reinforcing portion reinforces be able to.

It is a perspective view explaining an example of schematic structure of a hub type blade concerning a 1st embodiment of the present invention. It is a figure explaining schematic structure of the hub type blade concerning a 1st embodiment, and is a fragmentary sectional view shown by arrow ZZ in FIG. It is a figure explaining the outline of the outer peripheral side connection reinforcement part of the hub type blade which concerns on 1st Embodiment, and is the elements on larger scale shown by III in FIG. It is a figure explaining the outline of the inner peripheral side connection reinforcement part of the hub type blade which concerns on 1st Embodiment, and is the elements on larger scale shown by IV in FIG. It is a flowchart explaining an example of the outline of the hub type braid | blade manufacturing process which concerns on 1st Embodiment. It is a figure explaining the outline of the hub type blade manufacturing process which concerns on 1st Embodiment, and is a flowchart explaining the outline of an example of the procedure which manufactures a blade raw material. It is a flowchart explaining the outline of an example of the procedure of the blade mounting process which concerns on 1st Embodiment. It is a conceptual diagram explaining an example of application | coating of the reinforcing adhesive agent in the braid | blade mounting process which concerns on 1st Embodiment. It is a fragmentary sectional view shown by arrow ZZ in Drawing 1 explaining the schematic structure of the hub type blade concerning the 1st modification of a 1st embodiment. It is a figure explaining an example of schematic structure of the hub type blade concerning a 2nd embodiment of the present invention, and is a sectional view shown by an arrow ZZ in FIG. It is a figure explaining the outline of the outer peripheral side connection reinforcement part of the hub type blade which concerns on 2nd Embodiment, and is the elements on larger scale shown by XI in FIG. It is a figure explaining the outline of the inner peripheral side connection reinforcement part of the hub type blade which concerns on 2nd Embodiment, and is the elements on larger scale shown by XII in FIG. It is a flowchart explaining the outline of an example of the procedure of the blade mounting process which concerns on 2nd Embodiment. It is a conceptual diagram explaining an example of application | coating of the reinforcement adhesive agent in the braid | blade mounting process which concerns on 2nd Embodiment. FIG. 4 is a partially enlarged view illustrating an outline of an outer peripheral side connection reinforcing portion in a cross section indicated by arrows ZZ in FIG. 1 for explaining an example of a schematic configuration of a hub type blade according to a third embodiment of the present invention. FIG. 5 is a partially enlarged view illustrating an outline of an inner peripheral side connection reinforcing portion in a cross section indicated by arrows ZZ in FIG. 1 for explaining an example of a schematic configuration of a hub type blade according to a third embodiment of the present invention. It is a flowchart explaining the outline of an example of the procedure of the blade mounting process which concerns on 3rd Embodiment. It is a fragmentary sectional view shown by the arrow ZZ in FIG. 1 explaining schematic structure of the hub type blade which concerns on 4th Embodiment of this invention. It is a flowchart explaining the outline of an example of the procedure of the blade mounting process which concerns on 4th Embodiment. It is a fragmentary sectional view shown by the arrow ZZ in Drawing 1 explaining the schematic structure of the hub type blade concerning the 1st modification of a 4th embodiment. It is a fragmentary sectional view shown by arrow ZZ in Drawing 1 explaining the schematic structure of the hub type blade concerning the 2nd modification of a 4th embodiment. It is a fragmentary sectional view shown by arrow ZZ in Drawing 1 explaining the schematic structure of the hub type blade concerning a 5th embodiment of the present invention. It is a flowchart explaining the outline of an example of the procedure of the blade mounting | wearing process which concerns on 5th Embodiment. It is a fragmentary sectional view shown by the arrow ZZ in Drawing 1 explaining the schematic structure of the hub type blade concerning the 1st modification of a 5th embodiment. It is a fragmentary sectional view shown by the arrow ZZ in Drawing 1 explaining the schematic structure of the hub type blade concerning the 2nd modification of a 5th embodiment.

<First Embodiment>
The hub type blade according to the first embodiment of the present invention will be described below with reference to FIGS.
FIG. 1 is a perspective view for explaining an example of a schematic configuration of a hub-type blade according to the first embodiment of the present invention, and FIG. 2 is a partial cross-sectional view taken along line ZZ in FIG. 3 is a partial enlarged view for explaining the details of the main part of the outer peripheral connection side reinforcing member (connection reinforcing part), and FIG.
1 to 4, reference numeral 100 denotes a hub type blade, reference numeral 10 denotes a titanium hub (hub), reference numeral 10A denotes a blade mounting surface, reference numeral 120 denotes a double-sided adhesive tape (adhesive connecting member, adhesive tape), Reference numeral 30 denotes a blade body, reference numeral 30T denotes a connection surface, and reference numeral 140 denotes a connection reinforcing portion.

  The hub type blade 100 includes, for example, a titanium hub 10, a double-sided adhesive tape (adhesive connection member) 120, a connection reinforcing portion 140, and a blade body 30, as shown in FIGS. A substrate made of a material) can be cut to be separated into IC chips (chips) or the like. The double-sided adhesive tape 120 constitutes an adhesive connection part.

The titanium hub (hub) 10 is, for example, a blade having an outer peripheral wall portion that is positioned on one side in the direction of the axis O1 and formed in a cylindrical shape, and a substantially truncated cone connected to the other side of the outer peripheral wall portion in the direction of the axis O1. An attachment portion 11 and a drive source connection portion 12 connected to the other side of the blade attachment portion 11 in the direction of the axis O1 and having the other side expanded in diameter are provided.
The titanium hub 10 has a blade mounting surface 10A formed on one side of the blade mounting portion 11 in the direction of the axis O1, and a cylindrical mounting hole 10H centering on the axis O1 is formed around the axis O1.
The titanium hub 10 is made of, for example, a titanium alloy (specific strength about 288 kN · m / kg, aluminum alloy specific strength about 222 kN · m / kg), and is prevented from being deformed by external force during high-speed rotation and cutting. can do.
In this embodiment, the titanium hub 10 is formed to have a maximum outer diameter of 55.4 mm, for example.

  Examples of titanium alloys include αβ alloys (Ti-6Al-6V-2Sn, Ti-6Al-4V, etc.), β alloys (Ti-3Al-8V-6Cr-4Zr-4Mo, Ti-10V-2Fe-3Al, Ti −15V-3Cr-3Sn-3Al or the like) is preferable. Moreover, you may apply titanium alloys other than the above and pure titanium (Ti) (JIS1 type etc.).

  For the blade mounting surface 10A, for example, the double-sided pressure-sensitive adhesive tape 120 has a smooth finish surface with a surface roughness Rmax of 0 to 20 μm (JIS B0601-1982) by polishing or the like. It is suitable for stable sticking.

The blade mounting surface 10 </ b> A has a reinforcing holding portion 10 </ b> B corresponding to the connection reinforcing portion 140 on the outer peripheral side of the double-sided adhesive tape 120, and a reinforcing holding portion corresponding to the connection reinforcing portion 140 on the inner peripheral side of the double-sided adhesive tape 120. 10C is formed.
For example, the reinforcing holding portions 10B and 10C are preferably formed with a surface roughness Rmax of 5 to 50 μm for fixing the connection reinforcing portion 140.
In addition, the surface roughness etc. of the reinforcement holding | maintenance parts 10B and 10C can be set suitably.

The double-sided adhesive tape (double-sided adhesive member) 120 includes, for example, a tape base 121, an adhesive 122 applied to the titanium hub 10 side of the tape base 121, and the blade body 30 side, as shown in FIGS. The pressure-sensitive adhesive 122 forms a pressure-sensitive adhesive surface 120A and forms the pressure-sensitive adhesive 123 pressure-sensitive adhesive surface 120B.
The double-sided pressure-sensitive adhesive tape 120 has a donut shape in which the outer periphery is smaller than the outer diameter of the titanium hub 10 and a circular hole 120H having a larger diameter than the attachment hole 30H of the blade body 30 is formed on the inner peripheral side.

  Further, the outer diameter, thickness (for example, 0.1 mm or less), elastic coefficient, holding force (adhesive force), etc. of the double-sided adhesive tape 120 hold the flatness (perpendicularity with respect to the axis O1) of the blade body 30, for example. In addition, it is preferable that the blade main body 30 is not damaged due to torsional deformation caused by torque at the time of cutting.

Moreover, it is suitable for the double-sided adhesive tape 120 to have electroconductivity.
In this embodiment, the tape base 121 is made of, for example, an aluminum foil having a thickness of 25 μm, and the adhesives 122 and 123 having adhesiveness are made of an acrylic resin mixed with conductive particles. The thickness is 85 μm. The electrical resistance between the titanium hub 10 and the blade body 30 is about 4.5Ω.
In addition, it can be arbitrarily set whether the double-sided pressure-sensitive adhesive tape 120 has conductivity.

  As a double-sided pressure-sensitive adhesive tape having a tape base material and having conductivity, for example, AL-25DC (trade name: manufactured by 3M Japan Co., Ltd.) or AL7620 (trade name: manufactured by Dexerials Corporation) can be applied. Further, 7848YCWB (trade name: manufactured by Sekisui Chemical Co., Ltd.), 7840YCWB (trade name: manufactured by Sekisui Chemical Co., Ltd.), or the like may be applied.

In addition, a base material is a conductive cloth bent like X-7001 (trade name: manufactured by 3M Japan Co., Ltd.) or a nonwoven fabric base material such as 9720S (trade name: manufactured by 3M Japan Co., Ltd.). May be applied.
Moreover, you may apply # 8602TNFW-05 (brand name: DIC Corporation make) etc. as a nonelectroconductive thing.

  The blade body 30 also includes, for example, a metal base material 31 made of nickel (Ni) or an alloy mainly composed of a nickel alloy, and diamond superabrasive grains (abrasive grains) 32 dispersed in the metal base material 31. ing.

  The blade body 30 is, for example, a disk having an outer diameter of 55.05 mm and a blade thickness of 0.015 to 0.04 μm (for example, 20 μm), and a diameter of 42.00 mm coaxially with the axis O1 on the inner peripheral side. A circular hole 30H is formed.

  For example, nickel-phosphorus (Ni-P), nickel-cobalt (Ni-Co), or nickel-boron (Ni-B) is preferably used as the alloy containing nickel as a main component.

  The diamond superabrasive grains 32 are made of diamond having a concentration of 3 to 10 μm (average particle diameter of 5 μm) and a concentration of 50 to 125, for example, and are exposed from the surface of the metal base material 31 by about 2 μm.

  Further, one of the blade bodies 30 is an exposed surface 30F that is located on the opposite side of the titanium hub 10 and exposed to the outside, and the other is a connection surface 30T that is connected to the titanium hub 10 via a double-sided adhesive tape 120.

  The connection surface 30T is formed on a flat surface without the diamond superabrasive grains 32 protruding from the surface of the metal base material 31, for example.

The protrusions protruding from the titanium hub 10 on the outer peripheral side of the exposed surface 30 </ b> F and the blade body 30, and the circular hole 30 </ b> H are configured such that the diamond superabrasive grains 32 are exposed from the metal base material 31.
Further, in this embodiment, chamfered concavity portions 30G are formed on both sides of the outer periphery of the blade body 30.

Further, the connection surface 30T has a reinforcing holding portion 30B corresponding to the connection reinforcing portion 140 formed in an outer peripheral side region of the double-sided adhesive tape 120, and corresponds to the connection reinforcing portion 140 in an inner peripheral side region of the double-sided adhesive tape 120. A reinforcing holding portion 30C is formed.
The surface roughness and the like of the reinforcing holding portions 30B and 30C can be set as appropriate. For example, the diamond superabrasive grains 32 can be exposed from the surface of the metal base material 31 by etching or the like to stabilize the connection reinforcing portion 140. It is suitable for making it.

Connection reinforcing portion 140, as shown in FIGS. 2-4, for example, a peripheral connecting reinforcing portion 141 formed on the outer peripheral side of the double-sided adhesive tape 120, the inner peripheral side of the circular hole 1 20H of the double-sided adhesive tape 120 And an inner peripheral side connection reinforcing portion 142 formed.

The outer peripheral connection reinforcing portion 141 connects the blade attachment surface 10A and the connection surface 30T over the entire outer periphery of the double-sided pressure-sensitive adhesive tape 120.
The inner peripheral side connection reinforcing portion 142 connects the blade attachment surface 10A and the connection surface 30T over the entire inner peripheral side circumference of the double-sided adhesive tape 120.
As a result, the connection reinforcing portion 140 liquid-tightly seals the outer peripheral side and inner peripheral side of the double-sided pressure-sensitive adhesive tape 120.

  The connection reinforcing portion 140 is an adhesive resin portion formed by curing an adhesive, and in this embodiment, an ultraviolet curing adhesive (preferably a delayed ultraviolet curing adhesive) is cured. . As the adhesive constituting the connection reinforcing portion 140, for example, an adhesive that cures with time, a photo-curing adhesive such as an ultraviolet-curing adhesive, a thermosetting resin, an anaerobic resin, or the like is appropriately applied. Can do.

Moreover, what has electroconductivity is suitable, and when the double-sided adhesive tape 120 does not have electroconductivity, it is more suitable to have electroconductivity.
Moreover, as an adhesive which comprises the connection reinforcement part 140, an ultraviolet curing adhesive is suitable, and a retarding ultraviolet curing adhesive (ultraviolet curing adhesive (delay curing type) is more suitable.

The delayed UV curable adhesive is not conductive, but, for example, AUV-8800, AUV-0082P (trade name: Nitta Gelatin Co., Ltd.), CV7831 (trade name: Panasonic Corporation), SX-UV200 (Product name: manufactured by Cemedine Co., Ltd.) is applicable.
In addition, as UV curable adhesives having no electrical conductivity, for example, U-1542N (trade name: manufactured by Chemtech Co., Ltd.), U-1542F (trade name: manufactured by Chemtech Co., Ltd.), 429-GEL (trade name: Daimax Corporation) Etc.) are applicable.

  Moreover, as a conductive adhesive, for example, CN-3160L, CN-7120 (trade name: manufactured by Kaken Tech Co., Ltd.), TB3351C (trade name: manufactured by ThreeBond Co., Ltd.), epoxy resin with silver (Ag) filler Can be applied after diluting with a solvent (for example, ethyl acetate).

  Examples of the non-conductive adhesive include, for example, cyanoacrylate-based instantaneous adhesives (for example, ALTERCO CN2 (trade name: manufactured by Arteco), ALTERCO CN4 (trade name: manufactured by Arteco), Cemedine 3000DXF. (Product name: Cemedine Co., Ltd.), Cemedine 3000 DXLL (Product name: Cemedine Co., Ltd.), Cemedine 3000 DXL (Product name: Cemedine Co., Ltd.), Aron Alpha EXTRA impact (Product name: Toagosei Co., Ltd.), Aron Alpha EXTRA4000 (trade name, manufactured by Toagosei Co., Ltd.) and the like.

Moreover, when applying the adhesive agent which does not have electroconductivity, metals, such as gold | metal | money (Au) and silver (Ag), for example including micro pearl AU-201 (brand name: Sekisui Chemical Co., Ltd. product) the particles in the coating to form conductive particles (e.g., particle size 10 [mu] m) coated with a mixture of an epoxy-based adhesive or an acrylic adhesive, by curing, hub 1 0 and the blade body 3 0 May be energized via conductive particles.

Next, an outline of a hub type blade manufacturing process according to the first embodiment will be described with reference to FIGS. FIG. 5 is a flowchart for explaining an example of an outline of the hub type blade manufacturing process according to the first embodiment.
As shown in FIG. 5, the hub type blade manufacturing process is performed by, for example, attaching a titanium hub (hub) and a blade material (blade main body), which are separately manufactured and passed the inspection, and processing the outer diameter (S12). Then, a dicer dress (S13) and an inspection (S14) are performed.

First, an example of titanium hub preparation will be described.
The titanium hub (hub) is manufactured (prepared) by the following procedure, for example.
(1) First, a titanium alloy round bar is cut while rotating around an axis to form a shape.
(2) Next, after forming the shape of the titanium hub, it is cut into a predetermined length in the axial direction.
(3) Next, if necessary, the blade mounting surface is pretreated.
In the pretreatment, for example, when the blade mounting surface 10A is formed to have a surface roughness Rmax of 0 to 20 μm, polishing or electric discharge machining is performed. When the formed titanium hub is cut, the titanium hub may be cut to have a predetermined surface roughness.
Moreover, when forming the connection reinforcement part holding | maintenance parts 10B and 10C in the surface roughness Rmax 5-50 micrometers, it is suitable to perform sandblasting or shot blasting.

Next, an example of the preparation of the blade material will be described with reference to FIG. FIG. 6 is a flowchart for explaining the outline of the procedure for manufacturing the blade material.
As shown in FIG. 6, the blade material includes, for example, SUS metal base preparation (S21), dispersion plating (S22), masking (S23), etching (S24), and inner diameter processing (S25). Yes. Then, the blade material is completed through the SUS base metal preparation (S21) to the inner diameter processing (S25).

(1) SUS base preparation (S21)
First, a SUS base metal (stainless steel base metal) suitable for forming a blade material is prepared.
The SUS base metal (stainless steel base metal) is preferably formed of, for example, a stainless steel disk, and the nickel plating surface is preferably mirror-finished.
In addition, it is suitable to mask a part which does not require nickel plating, such as a part corresponding to the circular hole 30H of the blade material.

(2) Dispersion plating process (S22)
Next, an original plate of a blade material is formed by dispersion plating.
In dispersion plating, a SUS base metal is placed in a nickel plating solution containing diamond superabrasive grains stored in a dispersion plating apparatus, and a dispersion nickel plating layer is grown on the plating surface of the SUS base metal by electrolytic plating. An original plate of blade material is formed.

(3) Masking (S23)
Next, masking is performed on a portion of the blade material original plate peeled off from the SUS base metal that does not require etching.
In this embodiment, masking is performed on the flat surface located on the nickel plating formation surface side. This surface becomes the connection surface 30T of the blade body 30. In addition, you may mask except the reinforcement holding | maintenance parts 30B and 30C.

(4) Etching (S24)
Next, the masked blade blank is reversely electrolyzed and etched, and nickel is dissolved from the metal base material to expose the diamond superabrasive grains.

(5) Inner diameter machining (S25)
Next, a blade material is formed by subjecting the original plate of the blade material sharpened in the etching process to an inner diameter.
In the inner diameter processing, as in the outer diameter processing described later, for example, a laser beam is irradiated while supplying a liquid (for example, water) to process the circular hole 30H to form a blade material.
If the quality inspection is passed through S21 to S25, the blade material is completed.
In addition, the procedure of S21-S25 shows an example, and can be changed or abbreviate | omitted suitably.

Next, an outline of a hub type blade manufacturing process according to the first embodiment will be described with reference to FIGS. FIG. 7 is a flowchart for explaining the outline of the procedure of the blade mounting process according to the first embodiment.
As shown in FIG. 5, the hub type blade manufacturing process includes, for example, a blade mounting process (S11), an outer diameter machining process (S12), a dicer dressing process (S13), and an inspection process (S14). ing. Then, a separately manufactured titanium hub (hub) and blade material (blade body) are mounted in a blade mounting process, and a hub type blade is completed through an outer diameter processing, a dicer dressing, and an inspection process.

[1] Blade mounting process (S11)
The blade mounting process consists of a titanium hub (hub) and blade material (blade body) that have been separately manufactured and passed the inspection, and an adhesive connection member having at least one of the surfaces as an adhesive surface. In addition, the hub and the blade body are mounted by connecting the adhesive connection member to the other of the blade mounting surface and the connection surface by adhesive connection or adhesion. At this time, between the time when the adhesive connection member is connected to the blade mounting surface or the connection surface until the hub and the blade body are connected, or after the hub and the blade body are connected, the outer peripheral side of the adhesive connection member The connection reinforcing portion is formed by placing an adhesive on at least one of the inner peripheral sides and curing the adhesive. In addition, before connecting an adhesive connection member to a braid | blade attachment surface or a connection surface, there may be a part of formation of a connection reinforcement part.

The blade mounting process is configured by, for example, the procedures of S101 to S104 shown in FIG.
(1) Adhering double-sided adhesive tape to the hub (S101)
First, a double-sided adhesive tape is attached to the blade mounting surface of the titanium hub.
When sticking the double-sided adhesive tape 120 to the titanium hub 10, the double-sided adhesive tape 120 previously formed in a donut shape is used. For example, the rotational axis O1 of the double-sided adhesive tape 120 and the titanium hub 10 is made coaxial by a jig Adhere to the blade mounting surface 10A.

(2) Apply reinforcing adhesive (S102)
As shown in FIG. 8, the adhesive is applied, for example, by rotating the axis O1 of the titanium hub (intermediate product) to which the double-sided pressure-sensitive adhesive tape (double-sided pressure-sensitive adhesive member) 120 is connected (adhered) vertically. The liquid adhesive 140L is supplied to the outer peripheral side and the inner peripheral side by the adhesive supply device 40 and applied over the entire circumference. A blade body (blade material) 30 indicated by a two- dot chain line in FIG. 8 indicates that the blade material is not yet attached.
In the first embodiment, an adhesive is applied to the outer peripheral side and the inner peripheral side of the double-sided pressure-sensitive adhesive tape 120.

(3) Connect the blade material to the hub (S103)
Next, a blade material is attached to the titanium hub.
When attaching (sticking) the blade material to the titanium hub, for example, the blade material is placed on a flat surface plate, and the axis of the titanium hub and the circular hole of the blade material are made coaxial by a jig. And the titanium hub which stuck the double-sided adhesive tape is pressed and connected to a braid | blade raw material.
(4) Reinforcing adhesive curing (S104)
Next, the reinforcing adhesive is cured to form a connection reinforcing portion.
In the case of using a delayed UV curable adhesive as the reinforcing adhesive, the applied delayed UV curable adhesive is cured by irradiating with ultraviolet rays. For example, it is preferable that the time required for curing by irradiation with ultraviolet rays be within 30 seconds.
A blade mounting product (intermediate product) is completed by the procedure of S101 to S104.
In addition, the procedure of S101-S104 shows an example, and can be changed or abbreviate | omitted suitably.

Hereinafter, the outer diameter processing step (S12), the dicer dressing step (S13), and the inspection step (S14) will be described with reference to FIG.
[2] Outer diameter processing step (S12)
In the outer diameter processing step, the outer diameter of the blade material mounted on the titanium hub is processed.
In the outer diameter processing step, for example, a liquid (for example, water) is supplied to the processing site while rotating an intermediate product having a blade material adhered to a titanium hub around the axis O1, and a laser beam is irradiated while cooling. Cut the outer periphery of the blade body.
At this time, for example, it is preferable to form a jet liquid column (jet liquid column) in the processing site and guide the laser beam to the processing site while reflecting the laser beam in the jet water column. In this case, it is more preferable that the laser beam is totally reflected as a laminar flow with as few irregularities as possible. The wavelength of the laser beam is preferably 200 to 700 nm, for example.
The laser beam may be irradiated without supplying water, or the outer diameter may be processed by other known processing methods such as electric discharge processing or grinding instead of laser beam processing.

[3] Dicer dressing process (S13)
In the dicer dressing process, the outer diameter processed intermediate product is conspicuous by dicer dressing (for example, cutting a dressboard).

[4] Inspection process (S14)
In the inspection process, for example, a predetermined inspection standard such as a kerf width of a silicon wafer is inspected, and if the inspection passes, the hub type blade is completed.
In addition, the process of S11-S14 shows an example, and can be changed or abbreviate | omitted suitably.

  According to the hub-type blade 100, the hub is formed of titanium, and the connection reinforcing portion 140 connects the titanium hub 10 and the blade body 30 to increase the connection strength between the titanium hub 10 and the blade body 30. Can be cut efficiently.

  Further, since the connection reinforcing portion 140 is formed on the outer peripheral side and the inner peripheral side of the double-sided adhesive tape 120 over the entire circumference in the circumferential direction and is symmetrical with respect to the axis O1, the hub type blade 100 can stably rotate at high speed.

  According to the hub type blade 100 according to the first embodiment, since the adhesive connection portion is constituted by the double-sided adhesive tape 120, the blade mounting surface 10A side of the titanium hub 10 and the connection surface 30T of the blade body 30 can be connected in a short time. By connecting, the hub type blade can be manufactured efficiently.

  Further, according to the hub type blade 100, the connection reinforcing portion 140 is formed of a delayed UV curable adhesive, and can be easily applied and cured in a short time. Therefore, the connection reinforcing portion 140 can be efficiently formed.

  Further, according to the hub type blade 100, the blade mounting surface 10A is formed to have a surface roughness Rmax of 0 to 20 μm and the connection surface 30T is a flat surface. Can be mounted stably.

  Further, according to the hub type blade 100, the connection reinforcing portion 140 is disposed between the blade mounting surface 10A and the connection surface 30T, and the connection reinforcing portion holding portions 10B and 10C are formed with a surface roughness Rmax of 5 to 50 μm. Since the diamond superabrasive grains 32 are exposed from the metal base material 31 in the portion holding portions 30B and 30C, the connection reinforcing portion 140 can be stably connected.

Further, according to the hub type blade 100, the connection reinforcing portion 140 seals the outer peripheral side and the inner peripheral side of the adhesive connecting portion 120, so that the cutting fluid (for example, alkaline) is applied to the adhesive surfaces 120A and 120B of the double-sided adhesive tape 120. Invasion of the cutting fluid or the like is suppressed, so that the deterioration of the adhesive surfaces 120A and 120B can be suppressed and the life can be extended.
In addition, even when a jet water column is used for outer diameter processing, deterioration of the adhesive surfaces 120A and 120B due to cooling water is suppressed, the quality of the hub type blade 100 is improved, and high speed rotation (for example, 60000 rpm or more) can be cut. can do.

  Further, according to the hub-type blade 100, the sharp bending of the blade body 30 at the outer edge of the titanium hub 10 is alleviated, and the blade body 30 can be prevented from cracking during cutting.

  Further, according to the hub type blade 100, the reinforcing adhesive 140L is applied to the blade mounting surface 10A before the titanium hub 10 and the blade body 30 are connected, so that the reinforcement is provided between the blade mounting surface 10A and the connection surface 30T. The adhesive for adhesive 140L can be efficiently applied.

  Further, according to the hub type blade 100, the irradiated laser beam is guided by the jet liquid column, so that the outer diameter of the blade body 30 can be processed with high accuracy and efficiency.

<First Embodiment (First Modification)>
Hereinafter, the hub type blade according to the first modification of the first embodiment of the present invention will be described with reference to FIG. FIG. 9 is a partial cross-sectional view taken along the line ZZ in FIG. 1 for explaining the schematic configuration of the hub-type blade according to the first modification of the first embodiment.
In FIG. 9, reference numeral 100A indicates a hub-type blade, reference numeral 125 indicates a double-sided adhesive member, and reference numeral 140 indicates a connection reinforcing portion.

  As shown in FIG. 9, the hub type blade 100 </ b> A includes, for example, a titanium hub 10, a double-sided adhesive member 125, a blade body 30, and a connection reinforcing portion 140. The double-sided adhesive member 125 constitutes an adhesive connection part.

  The hub-type blade 100A includes a double-sided adhesive member 125 instead of the double-sided adhesive tape 120, and the titanium hub 10, the blade body 30, and the connection reinforcing portion 140 can be the same as those in the first embodiment. Moreover, about the manufacturing process, the same procedure as 1st Embodiment is applicable.

The double-sided pressure-sensitive adhesive member 125 is made of a pressure-sensitive adhesive formed in a sheet shape, and has a first pressure-sensitive adhesive surface 125A formed on one surface and a second pressure-sensitive adhesive surface 125B formed on the other surface.
The first adhesive surface 125A is connected to the blade mounting surface 10A, and the second adhesive surface 125B is connected to the connection surface 30T.

Moreover, it is suitable that the double-sided adhesive member 125 has electrical conductivity, for example, transfer tape 9707 (trade name: manufactured by 3M Japan Co., Ltd.), 9709S (trade name: manufactured by 3M Japan Co., Ltd.), DAITAC. # 8035N (trade name: manufactured by DIC Corporation), T4420W (trade name: manufactured by Dexerials Corporation) can be applied.
Moreover, as a double-sided adhesive member that does not have conductivity, for example, GA5905 (trade name: manufactured by Nitto Denko Corporation), 5915 (trade name: manufactured by Nitto Denko Corporation), DAITAC # 8080 (trade name: DIC stock) 467MP (trade name: manufactured by 3M Japan Co., Ltd.) can be applied.

According to the hub type blade 100A according to the first modified example of the first embodiment, the double-sided adhesive member 125 is configured not to include the tape base material, and the elasticity of the adhesive connection portion is moderately suppressed.
As a result, the meandering of the blade body 30 is suppressed and the blade body 30 can be stably cut.

Second Embodiment
The hub type blade according to the second embodiment of the present invention will be described below with reference to FIGS. FIG. 10 is a partial cross-sectional view taken along the line ZZ in FIG. 1 for explaining an example of the schematic configuration of the hub type blade according to the second embodiment of the present invention. 11 illustrates the details of the main part of the outer peripheral side connection reinforcing part (connection reinforcing part) indicated by XI in FIG. 10, and FIG. 12 illustrates the main part details of the inner peripheral side connection reinforcing part (connection reinforcing part) indicated by XII. FIG.
10 to 12, reference numeral 200 denotes a hub-type blade, reference numeral 220 denotes a double-sided adhesive tape (double-sided adhesive member, adhesive connecting portion), reference numeral 240 denotes a connection reinforcing portion, and reference numeral 241 denotes an outer peripheral side connection reinforcing portion ( the connection reinforcing portion), reference numeral 24 2 denotes an inner circumferential side connection reinforcing portion (connection reinforcing portion).

  As shown in FIGS. 10 to 12, the hub-type blade 200 includes, for example, a titanium hub (hub) 10, a double-sided adhesive tape (double-sided adhesive member, adhesive connection portion) 220, a blade body 30, and a connection reinforcing portion 240. And. The double-sided adhesive tape 220 constitutes an adhesive connection part.

  In this embodiment, the titanium hub 10 has a blade mounting surface 10A with a surface roughness Rmax of 0 to 20 μm. Further, the connection reinforcing portion holding portion 10D is formed on the outer peripheral side of the blade mounting portion 11, and the connection reinforcing portion holding portion 10E is formed on the inner peripheral side of the blade mounting surface 10A, and holds the connection reinforcing portion 240.

The connection reinforcing portion holding portion 10 </ b> D is formed on the outer peripheral surface of the blade attachment portion 11.
The continuous reinforcing portion holding portion 10 </ b> E is formed on the inner peripheral side of the sticking region of the double-sided pressure-sensitive adhesive tape 220.
In addition, the surface roughness of the connection reinforcing portion holding portion 10D and the connection reinforcing portion holding portion 10E can be arbitrarily set. For example, the surface roughness Rmax is preferably 5 to 50 μm by sand blasting or shot blasting. Since other parts are the same as those of the titanium hub of the first embodiment, the description thereof is omitted.

  The double-sided pressure-sensitive adhesive tape (double-sided pressure-sensitive adhesive member, adhesive connection portion) 220 is, for example, as shown in FIGS. 10 to 12, a tape base material 221 and adhesiveness applied to the blade mounting surface 10 </ b> A side of the tape base material 221. The adhesive 222 and the adhesive adhesive 223 applied to the connection surface 30T side of the tape base material 221 are provided. Further, the adhesive adhesive 222 forms an adhesive surface 220A, and the adhesive adhesive 223 forms an adhesive surface 220B.

The double-sided pressure-sensitive adhesive tape 220 has a donut shape in which the outer periphery has the same diameter as the titanium hub 10 and a circular hole 220H having the same diameter as the circular hole 30H of the blade body 30 is formed on the inner periphery.
Note that the thickness (for example, 0.1 mm or less), the elastic coefficient, the holding force (adhesive force), the conductivity, and the like of the double-sided pressure-sensitive adhesive tape 220 are the same as those in the first embodiment, and thus description thereof is omitted.

  The blade main body 30 has, for example, a region from the position corresponding to the outer diameter of the titanium hub 10 on the outer peripheral side of the connection surface 30T to the position corresponding to the circular hole 30H on the inner peripheral side from the surface of the metal base material 31 to the diamond surface. The abrasive grains 32 are formed on a flat surface without protruding.

  Further, a connection reinforcing portion holding portion 30D is formed on the outer peripheral side from a position corresponding to the outer diameter of the titanium hub 10 on the connection surface 30T, and a connection reinforcing portion holding portion 30E is formed on the inner peripheral surface of the circular hole 30H of the blade body 30. ing. In the connection reinforcing portion holding portion 30 </ b> D and the connection reinforcing portion holding portion 30 </ b> E, the diamond superabrasive grains 32 are preferably exposed from the metal base material 31. Others are the same as those of the blade body 30 of the first embodiment, and a description thereof will be omitted.

  In this embodiment, the connection reinforcing portion 240 is, for example, an outer peripheral side connection reinforcing portion 241 formed on the outer peripheral side of the double-sided adhesive tape 220 and an inner periphery formed on the inner peripheral side of the circular hole 220H of the double-sided adhesive tape 20. Side connection reinforcing portion 242.

The outer peripheral side connection reinforcing part 241 is configured to connect, for example, the connection reinforcing part holding part 30D of the blade body 30 from the connection reinforcing part holding part 10D of the titanium hub 10 over the entire outer peripheral side circumference of the double-sided adhesive tape 220.
Then, on the outer peripheral side of the double-sided adhesive tape 220, the adhesive surfaces 220A and 220B are sealed in a liquid-tight manner.

The inner periphery side connection reinforcement part 242 connects the connection reinforcement part holding | maintenance part 30E through the circular hole 220H from the connection reinforcement part holding | maintenance part 10E of the titanium hub 10, for example over the inner peripheral side perimeter of the double-sided adhesive tape 220.
Then, on the inner peripheral side of the double-sided adhesive tape 220, the adhesive surfaces 220A and 220B are sealed in a liquid-tight manner.

  The connection reinforcing portion 240 is an adhesive resin portion formed by curing the adhesive, and the same one as in the first embodiment can be applied.

Next, an outline of a hub type blade manufacturing process according to the second embodiment will be described with reference to FIGS.
FIG. 13 is a flowchart for explaining an outline of the procedure of the blade mounting process according to the second embodiment. FIG. 14 is a conceptual diagram illustrating application of the reinforcing adhesive in the blade mounting process.
In the hub type blade manufacturing process according to the second embodiment, the procedure (S201 to S204) shown in FIG. 13 is applied instead of the procedure (S101 to S104) of the blade mounting process (S11) of the first embodiment. Otherwise, the same procedure as in the first embodiment can be applied.

As shown in FIG. 13, the blade mounting process in the second embodiment includes, for example, procedures S201 to S204.
(1) Adhere double-sided adhesive tape to the hub (S201)
(2) Connect the blade material to the hub (S202)
For S201 and S202, the same procedure as S101 and S103 of the first embodiment can be applied.

(3) Apply reinforcing adhesive (S203)
Next, a reinforcing adhesive is applied to the outer peripheral side and the inner peripheral side of the intermediate product in which the blade material (blade body) 30 is connected to the titanium hub 10.
The application of the reinforcing adhesive can be performed, for example, as shown in FIG. FIG. 14 is a conceptual diagram illustrating application of the reinforcing adhesive in the blade mounting process.
As shown in FIG. 14A, for example, the reinforcing adhesive forming the outer peripheral side connection reinforcing portion 241 is applied by tilting the axis O1 with respect to the vertical direction with the titanium hub 10 side of the intermediate product facing up. The reinforcing adhesive 240 </ b> L is supplied from the adhesive supply device 40 to the entire outer periphery of the double-sided pressure-sensitive adhesive tape 220.
Further, as shown in FIG. 14B, the application of the reinforcing adhesive forming the inner peripheral connection reinforcing portion 242 is performed, for example, with the axis O1 with respect to the vertical direction with the blade body 30 side of the intermediate product facing up. The reinforcing adhesive 240L is supplied from the adhesive supply device 40 to the entire inner peripheral side of the double-sided pressure-sensitive adhesive tape 220.

(4) Reinforcing adhesive curing (S204)
The connection reinforcing portion is formed by curing the reinforcing adhesive.
Reinforcing adhesive curing (S204) is the same as in the first embodiment, and a description thereof will be omitted.
A blade mounting product (intermediate product) is completed by the procedure of S201 to S204.
In addition, the procedure of S201-S204 shows an example, and can be changed or abbreviate | omitted suitably.

  According to the hub type blade 200 according to the second embodiment, since the connection reinforcing portion 240 connects the titanium hub 10 and the blade body 30, the connection strength between the titanium hub 10 and the blade body 30 can be increased.

  Further, according to the hub-type blade 200, the connection reinforcing portion holding portions 10D and 10E are formed to have a surface roughness Rmax of 5 to 50 μm, and the connection reinforcing portion holding portions 30D and 30E are exposed to the diamond superabrasive grains 32. The connection reinforcing portion 240 can be stably connected to the titanium hub 10 and the blade body 30.

  Moreover, since the double-sided adhesive tape 220 is sealed on the outer peripheral side and the inner peripheral side by the connection reinforcing portion 240, deterioration of the adhesive surfaces 220A and 220B can be suppressed.

Further, according to the hub type blade according to the second embodiment, it is possible to manufacture a hub-type blade 200 effectively because it forms the connection reinforcing portion 240 after connecting the Chitanhabu 10 and the blade body 30.

  Further, according to the hub-type blade 200, the sharp bending of the blade body 30 at the outer edge of the titanium hub 10 is alleviated, and the blade body 30 can be prevented from cracking during cutting.

  Further, according to the hub type blade 200, the connection reinforcing portion 240 is formed of a delayed UV curable adhesive, and is easily applied and cured in a short time, so that the connection reinforcing portion 240 can be efficiently formed.

<Third Embodiment>
Hereinafter, a hub type blade according to a third embodiment of the present invention will be described with reference to FIGS. FIG. 15 is a partially enlarged view for explaining the outline of the outer peripheral side connection reinforcing portion of the hub type blade according to the third embodiment, and FIG. 16 is a partially enlarged view for explaining the outline of the inner peripheral side connection reinforcing portion. 15 and 16, reference numeral 300 indicates a hub type blade, reference numeral 10 indicates a titanium hub, reference numeral 320 indicates a double-sided adhesive tape, reference numeral 30 indicates a blade body, and reference numeral 340 indicates a connection reinforcing portion.

As shown in FIGS. 15 and 16, the hub type blade 300 includes, for example, a titanium hub 10, a double-sided adhesive tape (adhesive connection member, adhesive connection portion) 320, a blade body 30, and a connection reinforcing portion 340. I have. Moreover, the double-sided adhesive tape 320 comprises an adhesive connection part.
Since the titanium hub 10 and the blade body 30 are the same as those in the first embodiment, the same reference numerals are given and description thereof is omitted.

  As shown in FIGS. 15 and 16, the double-sided adhesive tape (adhesive connecting member) 320 includes, for example, a tape base 321, an adhesive 322 applied to the blade mounting surface 10A side of the tape base 321, and a blade And an adhesive 323 applied to the connection surface 30T side of the main body 30 side. Further, the adhesive 322 forms an adhesive surface 320A, and the adhesive 323 forms an adhesive surface 320B.

The tape base material 321 has, for example, a donut shape in which the outer periphery is the same diameter as the outer diameter of the titanium hub 10 and the inner hole is formed with a circular hole 320H having the same diameter as the attachment hole 30H of the blade body 30.
The adhesives 322 and 323 are formed such that the outer peripheral side has a smaller diameter than the tape base material 321 and the inner peripheral side has a larger diameter than the circular hole 320H.
Further, the thickness and the like of the double-sided adhesive tape 320 (for example, 0.1 mm or less), the elastic coefficient, the holding force (adhesive force), and the like are the same as those in the first embodiment, and thus the description thereof is omitted.

  The connection reinforcing part 340 includes, for example, an outer peripheral side connection reinforcing part 341 formed on the outer peripheral side of the double-sided adhesive tape 320 and an inner peripheral side connection reinforcing part 342 formed on the inner peripheral side of the double-sided adhesive tape 320. Yes.

  The connection reinforcing portion 340 is an adhesive resin portion formed by curing the adhesive, and the same one as in the first embodiment can be applied.

  The outer peripheral side connection reinforcing portion 341 includes, for example, a connection reinforcing portion 341A that connects the tape base material 321 and the blade mounting surface 10A, and a connection reinforcing portion 341B that connects the tape base material 321 and the connection surface 30T. .

  The inner peripheral side connection reinforcing portion 342 includes, for example, a connection reinforcing portion 342A that connects the tape base material 321 and the blade mounting surface 10A, and a connection reinforcing portion 342B that connects the tape base material 321 and the connection surface 30T. Yes.

  Further, the connection reinforcing portion 340 liquid-tightly seals the adhesive surface 320A and the adhesive surface 320B at the inner peripheral side and the outer peripheral side edge of the double-sided adhesive tape 320. Since others are the same as that of 1st Embodiment, description is abbreviate | omitted.

Next, an outline of a hub type blade manufacturing process according to the third embodiment will be described with reference to FIG. FIG. 17 is a flowchart for explaining the outline of the procedure in the blade mounting process according to the third embodiment.
In the hub type blade manufacturing process according to the third embodiment, the procedure (S301 to S305) shown in FIG. 17 is applied instead of the procedure (S101 to S104) of the blade mounting process (S11) according to the first embodiment. Otherwise, the same procedure as in the first embodiment can be applied.

As shown in FIG. 17, the blade mounting process in the third embodiment includes, for example, procedures S301 to S305.
(1) Applying a reinforcing adhesive to the target area of the double-sided adhesive tape (S301)
A reinforcing adhesive is applied to a region corresponding to the connection reinforcing portions 341A and 342A on the blade mounting surface 10A side of the double-sided adhesive tape 320. Instead of applying the reinforcing adhesive to the double-sided pressure-sensitive adhesive tape, similar to the first embodiment in the region corresponding to the connection reinforcing portions 341A and 342A of the blade mounting surface 10A where the double-sided pressure-sensitive adhesive tape is not attached. A reinforcing adhesive may be applied in a procedure.
(2) Adhering the double-sided adhesive tape to the hub and arranging the adhesive (S302)
A double-sided adhesive tape 320 is attached to the hub. Thereby, the adhesive which forms connection reinforcement part 341A, 342A is arrange | positioned between the tape base material 321 and 10 A of blade attachment surfaces.
Since S302 is the same as S101 of the first embodiment, a description thereof will be omitted.
(3) Apply reinforcing adhesive (S303)
A reinforcing adhesive is applied to the region corresponding to the connection reinforcing portions 341B and 342B on the connection surface 30T side of the double-sided pressure-sensitive adhesive tape 320 in S303. The procedure similar to that in the first embodiment can be applied to the application of the reinforcing adhesive.
(4) Connect the blade material to the hub (S304)
(5) Reinforcing adhesive curing (S305)
For S304 and S305, the same procedure as S103 and S104 of the first embodiment can be applied.
A blade mounting product (intermediate product) is completed by the procedures of S301 to S305.
In addition, the procedure of S301-S305 shows an example, and can be changed or abbreviate | omitted suitably.

  According to the hub type blade 300 according to the third embodiment, the adhesives 322 and 323 constituting the double-sided adhesive tape 320 are sealed by the outer peripheral side connection reinforcing part 341 and the inner peripheral side connection reinforcing part 342. Deterioration of 322 and 323 can be suppressed.

<Fourth embodiment>
The hub type blade according to the fourth embodiment of the present invention will be described below with reference to FIG. FIG. 18 is a partial cross-sectional view taken along the line ZZ in FIG.
In FIG. 18, reference numeral 400 denotes a hub type blade, reference numeral 10 denotes a titanium hub, reference numeral 42 denotes an adhesive connection portion, reference numeral 420 denotes an adhesive tape, reference numeral 422 denotes an adhesive resin portion, and reference numeral 440 denotes a connection reinforcing portion. ing.

As shown in FIG. 18, the hub type blade 400 includes, for example, a titanium hub 10, an adhesive connection portion 42, a blade body 30, and a connection reinforcing portion 440.
The titanium hub 10 and the blade body 30 are connected to each other via the adhesive connection portion 42 and the connection reinforcing portion 440.
In addition, the adhesive connection portion 42 includes an adhesive resin portion 422 and an adhesive tape 420. The adhesive resin portion 422 and the adhesive tape 420 are arranged in this order from the blade mounting surface 10A, and the adhesive tape 420 is connected to the connection surface 30T. Has been.
Since the blade body 30 is the same as that of the first embodiment, the description thereof is omitted.

The titanium hub 10 has an adhesive resin portion 422 disposed on the blade mounting surface 10A, and is connected to the adhesive tape 420 via the adhesive resin portion 422.
In addition, the titanium hub 10 preferably has, for example, a blade mounting surface 10A formed to have a Rmax of 5 to 50 μm (JIS B0601 1982). Since others are the same as those of the first embodiment, description thereof is omitted.

18, the adhesive tape 420 includes, for example, a tape base 421 and an adhesive 423 applied to the connection surface 30T side of the tape base 421, and the surface of the adhesive 423 is an adhesive surface. The single-sided adhesive tape is 420S. Then, the adhesive 423 is connected to the connection surface 30T.
The adhesive tape 420 has a donut shape in which the outer peripheral side is smaller than the outer diameter of the mounting surface 10A and the inner peripheral side is formed with a circular hole 420H having a larger diameter than the circular hole 30H of the blade body 30.

  The tape base material 421 and the adhesive 423 constituting the adhesive tape 420 may have the same configuration as the tape base 121 and the adhesive 123 of the adhesive tape 120 according to the first embodiment. In addition, it is suitable for the tape base material 421 that the adhesive which comprises the adhesive resin part 422 is fixed stably. Others are the same as those in the first embodiment except that the pressure-sensitive adhesive is one surface, and thus description thereof is omitted.

  Moreover, the outer diameter, thickness (for example, 0.1 mm or less), elastic modulus, holding force (adhesive force), conductivity, etc. of the adhesive tape 420 are substantially the same as, for example, the double-sided adhesive tape according to the first embodiment. Since there is, explanation is omitted.

The adhesive resin portion 422 is formed on the blade mounting surface 10A, and is formed by curing, for example, an adhesive mainly composed of an epoxy resin or a cyanoacrylate resin, an acrylic resin adhesive, or the like. Note that whether or not the adhesive resin portion 423 has conductivity can be arbitrarily set, but it is preferable that the adhesive resin portion 423 have conductivity.
In addition, the adhesive resin portion 422 is set such that, for example, the elastic coefficient, the holding force (adhesive force), etc. hold the flatness of the blade body 30, and the torsional deformation caused by the cutting torque at the time of cutting does not cause the blade body 30 to be damaged. It is preferable that

  As a conductive adhesive, for example, CN-3160L, CN-7120 (trade name: manufactured by Kaken Tech Co., Ltd.), TB3351C (trade name: manufactured by ThreeBond Co., Ltd.), epoxy resin mixed with silver (Ag) filler The three bond 3380 (trade name: manufactured by Three Bond Co., Ltd.) and the like can be diluted with a solvent (for example, ethyl acetate) and applied.

  Examples of the adhesive having no conductivity include an ultraviolet curable adhesive (delayed curing type) (for example, AUV-8800, AUV-0082P (trade name: manufactured by Nitta Gelatin Co., Ltd.), CV7831 (trade name). : Manufactured by Panasonic Corporation), SX-UV300 (trade name: manufactured by Cemedine Co., Ltd.), cyanoacrylate-based instant adhesives (for example, ALTERCO CN2 (trade name: manufactured by Arteco Corporation), and ALTERCO CN4 (trade name: Arteco Co., Ltd.), Cemedine 3000DXF (trade name: manufactured by Cemedine Co., Ltd.), Cemedine 3000 DXLL (trade name: manufactured by Cemedine Co., Ltd.), Cemedine 3000 DXL (trade name: manufactured by Cemedine Co., Ltd.), Aron Alpha EXTRA Impact (trade name: Toagosei Co., Ltd.), Aron Alpha EXTRA 000 (trade name, manufactured by Toagosei Co., Ltd.)) can be applied.

The connection reinforcing portion 440 includes an outer peripheral side connection reinforcing portion 441 and an inner peripheral side connection reinforcing portion 442.
The outer periphery side connection reinforcement part 441 is formed over the outer periphery side circumference of the adhesive connection part 42, and connects the blade attachment surface 10A and the connection surface 30T.
The inner peripheral connection reinforcing portion 442 is formed over the entire inner peripheral side of the adhesive connection portion 42 and connects the blade attachment surface 10A and the connection surface 30T.
Moreover, the connection reinforcement part 440 has sealed the outer peripheral side and inner peripheral side of the adhesive connection part 42 liquid-tightly.
The connection reinforcing portion 440 is an adhesive resin portion formed by curing an adhesive, and the same one as in the first embodiment can be applied.

Next, an outline of a blade mounting process according to the fourth embodiment will be described with reference to FIG. FIG. 19 is a flowchart for explaining the outline of the procedure of the blade mounting process according to the fourth embodiment.
In the hub type blade manufacturing process according to the fourth embodiment, the procedure (S401 to S406) shown in FIG. 19 is applied instead of the procedure (S101 to S104) of the blade mounting step (S11) according to the first embodiment. Otherwise, the same procedure as in the first embodiment can be applied.

(1) Apply an adhesive to the hub (S401)
First, an adhesive that forms the adhesive resin portion 422 is applied to the target region of the adhesive connection portion 42 of the blade mounting surface 10 </ b> A of the titanium hub 10.
Instead of the blade mounting surface 10A, an adhesive that forms the adhesive resin portion 422 may be applied to the back surface (the surface opposite to the adhesive 423) of the tape base 421 of the adhesive tape 420.
(2) Adhesive tape is bonded to the hub (S402)
Next, the adhesive tape 420 is bonded to the applied adhesive. At this time, the axis O1 of the titanium hub 10 and the axis of the adhesive tape 420 are bonded coaxially.
(3) Adhesive curing (S403)
Next, the adhesive is cured and the adhesive tape 420 is connected to the adhesive resin portion 422.
(4) Apply reinforcing adhesive (S404)
Next, a reinforcing adhesive for forming the connection reinforcing portion 440 is applied to the outer peripheral side and the inner peripheral side of the adhesive connection portion 42. The procedure similar to that in the first embodiment can be applied to apply the reinforcing adhesive.
(5) Connect the blade material to the hub (S405)
Next, a blade material is attached to the titanium hub.
When sticking the blade material to the titanium hub, the same procedure as in the first embodiment can be applied.
(6) Reinforcing adhesive curing (S406)
Next, the reinforcing adhesive is cured to form a connection reinforcing portion.
For curing the reinforcing adhesive, the same procedure as in the first embodiment can be applied.
A blade mounted product (intermediate product) is completed by the procedures of S401 to S406.
Note that the procedure of S401 to S406 is an example, and can be changed or omitted as appropriate.

  According to the hub type blade 400 according to the fourth embodiment, since the adhesive tape 420 is connected to the blade attachment surface 10A by the adhesive resin portion 422, a large connection strength can be ensured.

  Moreover, according to the hub type blade 400, since the connection reinforcement part 440 is formed in the outer peripheral side and inner peripheral side of the adhesive tape 420, degradation of the adhesive 423 can be suppressed.

<Fourth Embodiment (First Modification)>
Hereinafter, a hub type blade according to a first modification of the fourth embodiment of the present invention will be described with reference to FIG. FIG. 20 is a partial cross-sectional view illustrating an example of a schematic configuration of a hub-type blade according to a first modification of the fourth embodiment.
In FIG. 20, reference numeral 400A denotes a hub-type blade, reference numeral 10 denotes a titanium hub, reference numeral 42A denotes an adhesive connecting portion, reference numeral 420A denotes an adhesive tape, reference numeral 422A denotes an adhesive resin portion, and reference numeral 440A denotes a connection reinforcing portion. ing.

As shown in FIG. 20, the hub-type blade 400A includes, for example, a titanium hub 10, an adhesive connection portion 42A, a blade body 30, and a connection reinforcing portion 440A.
The titanium hub 10 and the blade body 30 are connected via an adhesive connecting portion 42A and a connection reinforcing portion 440A.
The adhesive connection portion 42A includes an adhesive resin portion 422A and an adhesive tape 420A. The adhesive resin portion 422A and the adhesive tape 420A are arranged in this order from the blade mounting surface 10A and connected to the connection surface 30T.
Since the titanium hub 10 and the blade body 30 are the same as those in the first embodiment, description thereof will be omitted.

20, the adhesive tape 420A includes, for example, a tape base 421A and an adhesive 423A applied to the connection surface 30T side of the tape base 421A, and the surface of the adhesive 423A is an adhesive surface. The single-sided adhesive tape is 420S.
Further, the tape base 421A has, for example, a donut shape in which the outer peripheral side has the same diameter as the mounting surface 10A and the inner peripheral side has a circular hole 420HA having the same diameter as the circular hole 30H of the blade body 30.
The pressure-sensitive adhesive 423A has a smaller diameter on the outer peripheral side than the tape base material 421A and a larger diameter on the inner peripheral side than the circular hole 420HA. Since others are the same as that of 4th Embodiment, description is abbreviate | omitted.

  The adhesive resin portion 422A is formed on the blade mounting surface 10A, and the outer diameter and the inner diameter are formed corresponding to the tape base material 421A of the adhesive tape 420A. Since others are the same as that of 4th Embodiment, description is abbreviate | omitted.

The connection reinforcing portion 440A includes an outer peripheral side connection reinforcing portion 441A and an inner peripheral side connection reinforcing portion 442A.
The outer peripheral side connection reinforcing portion 441A is formed over the entire outer periphery side of the adhesive 423A constituting the adhesive tape 420A, and connects the tape base 421A and the connection surface 30T.
Further, the inner peripheral side connection reinforcing portion 442A is formed over the entire inner peripheral side of the adhesive 423A constituting the adhesive tape 420A, and connects the tape base material 421A and the connection surface 30T.
Further, the connection reinforcing portion 440A seals the outer peripheral side and the inner peripheral side of the adhesive 423A in a liquid-tight manner. Since others are the same as that of 4th Embodiment, description is abbreviate | omitted.

<Fourth Embodiment (Second Modification)>
Hereinafter, a hub type blade according to a second modification of the fourth embodiment of the present invention will be described with reference to FIG. FIG. 21 is a partial cross-sectional view illustrating an example of a schematic configuration of a hub-type blade according to a second modification of the fourth embodiment.
In FIG. 21, reference numeral 400B indicates a hub-type blade, reference numeral 10 indicates a titanium hub, reference numeral 42B indicates an adhesive connection portion, reference numeral 420B indicates an adhesive tape, reference numeral 422B indicates an adhesive resin portion, and reference numeral 440B indicates a connection reinforcing portion. ing.

As shown in FIG. 21, the hub type blade 400B includes, for example, a titanium hub 10, an adhesive connection portion 42B, a blade body 30, and a connection reinforcing portion 440B.
The titanium hub 10 and the blade body 30 are connected via an adhesive connecting portion 42B and a connection reinforcing portion 440B.
Further, the adhesive connection part 42B includes an adhesive resin part 422B and an adhesive tape 420B, and is arranged in order of the adhesive resin part 422B and the adhesive tape 420B from the blade mounting surface 10A and connected to the connection surface 30T. The titanium hub 10 is the same as that of the fourth embodiment, and the blade body 30 is the same as that of the fourth embodiment.

Further, as shown in FIG. 21, the adhesive tape 420B includes, for example, a tape base 421B and an adhesive 423B applied to the connection surface 30T side of the tape base 421B, and the surface of the adhesive 423B is an adhesive surface. The single-sided adhesive tape is 420S.
The tape base 421B has, for example, a donut shape in which the outer peripheral side has the same diameter as the mounting surface 10A and the inner peripheral side has a circular hole 420HB having the same diameter as the circular hole 30H of the blade body 30.
Further, the adhesive 423B is formed so that the outer peripheral side and the inner peripheral side have the same diameter as the tape base material 421A. Since others are the same as that of 4th Embodiment, description is abbreviate | omitted.

  Since the adhesive resin portion 422B is the same as the first modification of the fourth embodiment, the description thereof is omitted.

The connection reinforcing portion 440B includes an outer peripheral side connection reinforcing portion 441B and an inner peripheral side connection reinforcing portion 442B.
The outer peripheral side connection reinforcing portion 441B is formed over the entire outer periphery side of the adhesive 423B constituting the adhesive tape 420B, and connects the tape base 421B and the connection surface 30T.
Moreover, the inner peripheral side connection reinforcement part 442B is formed over the inner peripheral side whole periphery of the adhesive 423B which comprises the adhesive tape 420B, and connects the tape base material 421B and the connection surface 30T.
Further, the connection reinforcing portion 440B liquid-tightly seals the outer peripheral side and the inner peripheral side of the adhesive 423B. Since others are the same as that of 4th Embodiment, description is abbreviate | omitted.

<Fifth Embodiment>
The hub type blade according to the fifth embodiment of the present invention will be described below with reference to FIGS. FIG. 22 is a partial cross-sectional view taken along the line ZZ in FIG. 1 for explaining the schematic configuration of the hub type blade according to the fifth embodiment. FIG. 23 is a flowchart for explaining an outline of an example of a procedure of a blade mounting process according to the fifth embodiment.
In FIG. 22, reference numeral 500 indicates a hub type blade, reference numeral 10 indicates a titanium hub, reference numeral 52 indicates an adhesive connection portion, reference numeral 520 indicates an adhesive tape, reference numeral 523 indicates an adhesive resin portion, and reference numeral 540 indicates a connection reinforcing portion. ing.

As shown in FIG. 22, the hub type blade 500 includes, for example, a titanium hub 10, an adhesive connection portion 52, a blade body 30, and a connection reinforcing portion 540.
The titanium hub 10 and the blade body 30 are connected to each other through the adhesive connection part 52 and the connection reinforcing part 540.
The adhesive connection portion 52 includes an adhesive tape 520 and an adhesive resin portion 523, which are arranged in order of the adhesive tape 520 and the adhesive resin portion 523 from the blade mounting surface 10A, and the adhesive resin portion 523 is connected to the connection surface 30T. It is connected.
Since the titanium hub 10 is the same as that of the first embodiment, the description thereof is omitted.

  The adhesive resin portion 523 is disposed on the connection surface 30T and connected to the adhesive tape 520. Since others are the same as the adhesive resin part 422 of 4th Embodiment, description is abbreviate | omitted.

  The adhesive tape 520 includes a tape substrate 521 and an adhesive 522, the adhesive 522 is disposed on the blade mounting surface 10A side of the tape substrate 521, and the surface of the adhesive 522 is an adhesive surface 520S. It is a tape. The adhesive resin portion 522 is connected to the blade attachment surface 10A. The tape substrate 521 and the adhesive 522 can be the same as the tape substrate 421 and the adhesive 423 of the fourth embodiment.

  In this embodiment, for example, the blade body 30 is configured such that the diamond superabrasive grains 32 are exposed from the metal base material 31 over the entire connection surface 30T.

The connection reinforcing part 540 includes an outer peripheral side connection reinforcing part 541 and an inner peripheral side connection reinforcing part 542.
The outer periphery side connection reinforcement part 541 is formed over the outer periphery side circumference of the adhesive connection part 52, and connects the blade attachment surface 10A and the connection surface 30T.
Further, the inner peripheral connection reinforcing portion 542 is formed over the entire inner peripheral side of the adhesive connection portion 52, and connects the blade attachment surface 10A and the connection surface 30T.
Moreover, the connection reinforcement part 540 liquid-tightly seals the outer peripheral side and the inner peripheral side of the adhesive connection part 52.
The connection reinforcing portion 540 is an adhesive resin portion formed by curing an adhesive, and the same adhesive as that of the first embodiment can be applied as the adhesive forming the connection reinforcing portion 540.

Next, an outline of a blade mounting process according to the fifth embodiment will be described with reference to FIG. FIG. 23 is a flowchart for explaining the outline of the procedure of the blade mounting process according to the fifth embodiment.
In the hub type blade manufacturing process according to the fifth embodiment, the procedure (S501 to S506) shown in FIG. 23 is applied instead of the procedure (S101 to S104) of the blade mounting process (S11) according to the first embodiment. Otherwise, the same procedure as in the first embodiment can be applied.

(1) Apply an adhesive to the blade material (S501)
First, an adhesive that forms the adhesive resin portion 523 is applied to the target region of the adhesive connection portion 52 of the connection surface 30T of the blade material (blade body) 30.
Instead of the connection surface 30T, an adhesive that forms the adhesive resin portion 523 may be applied to the back surface (the surface opposite to the adhesive 522) of the tape base 521 of the adhesive tape 520.
(2) Adhesive tape is adhered to the blade material (S502)
Next, the adhesive tape 520 is bonded to the applied adhesive. At this time, the axis O1 of the blade body 30 and the axis of the adhesive tape 520 are bonded coaxially.
(3) Adhesive curing (S503)
Next, the adhesive is cured and the adhesive tape 520 is connected to the adhesive resin portion 523.
(4) Apply reinforcing adhesive (S504)
Next, a reinforcing adhesive for forming the connection reinforcing portion 540 is applied to the outer peripheral side and the inner peripheral side of the adhesive connection portion 52. The procedure similar to that in the first embodiment can be applied to apply the reinforcing adhesive.
(5) Connect the hub to the blade material (S505)
Next, a titanium hub is adhered to the blade material.
When sticking the titanium hub to the blade material, the same procedure as in the first embodiment can be applied.
(6) Reinforcing adhesive curing (S506)
Next, the reinforcing adhesive is cured to form a connection reinforcing portion.
For curing the reinforcing adhesive, the same procedure as in the first embodiment can be applied.
A blade mounting product (intermediate product) is completed by the procedure of S501 to S506.
In addition, the procedure of S501-S506 shows an example, and can be changed or abbreviate | omitted suitably.

  According to the hub type blade 500 according to the fifth embodiment, since the adhesive tape 520 is connected to the connection surface 30T by the adhesive resin portion 523, the blade body 30 can be held with high connection strength.

  Further, according to the hub type blade 500, the blade body 30 is connected by the adhesive resin portion 523, so that a blade body having air permeability such as a bit blade can be easily and reliably held.

  Moreover, according to the hub type blade 500, since the connection reinforcement part 540 is formed in the outer peripheral side and inner peripheral side of the adhesive tape 520, deterioration of the adhesive 522 can be suppressed.

<Fifth Embodiment (First Modification)>
Hereinafter, a hub type blade according to a first modification of the fifth embodiment of the present invention will be described with reference to FIG. FIG. 24 is a partial cross-sectional view illustrating an example of a schematic configuration of a hub-type blade according to a first modification of the fifth embodiment.
24, reference numeral 500A denotes a hub-type blade, reference numeral 10 denotes a titanium hub, reference numeral 42A denotes an adhesive connecting portion, reference numeral 520A denotes an adhesive tape, reference numeral 523A denotes an adhesive resin portion, and reference numeral 540A denotes a connection reinforcing portion. ing.

As shown in FIG. 24, the hub type blade 500A includes, for example, a titanium hub 10, an adhesive connection portion 52A, a blade body 30, and a connection reinforcing portion 540A.
The titanium hub 10 and the blade body 30 are connected to each other via an adhesive connection portion 52A and a connection reinforcing portion 540A.
Further, the adhesive connection portion 52A includes an adhesive resin portion 523A and an adhesive tape 520A, and is arranged in order of the adhesive tape 520A and the adhesive resin portion 523A from the blade mounting surface 10A and connected to the connection surface 30T.
The titanium hub 10 is the same as that of the first embodiment, and the blade body 30 is the same as that of the fifth embodiment, so the description thereof is omitted.

Further, as shown in FIG. 24, the adhesive tape 520A includes, for example, a tape base 521A and an adhesive 522A applied to the blade mounting surface 10A side of the tape base 521A, and the surface of the adhesive 522A is adhesive. It is the single-sided adhesive tape made into the surface 520S.
Further, the tape base 521A has a donut shape in which, for example, the outer peripheral side has the same diameter as the mounting surface 10A, and the inner peripheral side has a circular hole 520HA having the same diameter as the circular hole 30H of the blade body 30. Further, the adhesive 522A has a smaller diameter on the outer peripheral side than the tape base material 521A and a larger diameter on the inner peripheral side than the circular hole 520HA. Others are the same as those in the fifth embodiment, and a description thereof will be omitted.

  The adhesive resin portion 523A is formed on the connection surface 30T, and the outer diameter and the inner diameter are formed corresponding to the tape base material 521A of the adhesive tape 520A. Since others are the same as the adhesive resin part 423 of 4th Embodiment, description is abbreviate | omitted.

The connection reinforcing portion 540A includes an outer peripheral side connection reinforcing portion 541A and an inner peripheral side connection reinforcing portion 542A.
The outer peripheral side connection reinforcing portion 541A is formed over the entire outer periphery of the adhesive 522A constituting the adhesive tape 520A, and connects the tape base 521A and the connection surface 30T.
The inner periphery side connection reinforcing portion 542A is formed over the entire inner periphery side of the adhesive 522A constituting the adhesive tape 520A, and connects the tape base 521A and the connection surface 30T.
Further, the connection reinforcing portion 540A liquid-tightly seals the outer peripheral side and the inner peripheral side of the adhesive 522A. Since others are the same as that of the 1st modification of 4th Embodiment, description is abbreviate | omitted.

<Fifth Embodiment (Second Modification)>
Hereinafter, a hub type blade according to a second modification of the fifth embodiment of the present invention will be described with reference to FIG. FIG. 25 is a partial cross-sectional view illustrating an example of a schematic configuration of a hub-type blade according to a second modification of the fifth embodiment.
In FIG. 25, reference numeral 500B denotes a hub type blade, reference numeral 10 denotes a titanium hub, reference numeral 52B denotes an adhesive connecting portion, reference numeral 520B denotes an adhesive tape, reference numeral 523B denotes an adhesive resin portion, and reference numeral 540B denotes a connection reinforcing portion. ing.

As shown in FIG. 25, the hub type blade 500B includes, for example, a titanium hub 10, an adhesive connection portion 52B, a blade body 30, and a connection reinforcing portion 540B.
The titanium hub 10 and the blade body 30 are connected via an adhesive connecting portion 52B and a connection reinforcing portion 540B.
In addition, the adhesive connection part 52B includes an adhesive resin part 523B and an adhesive tape 520B, and is arranged in order of the adhesive tape 520B and the adhesive resin part 523B from the blade mounting surface 10A and connected to the connection surface 30T. The titanium hub 10 is the same as that of the second embodiment, and the blade body 30 is the same as that of the fifth embodiment.

As shown in FIG. 25, the adhesive tape 520B includes, for example, a tape base 521B and an adhesive 522B applied to the blade mounting surface 10A side of the tape base 521B, and the surface of the adhesive 522B is adhesive. It is the single-sided adhesive tape made into the surface 520S.
In addition, the tape base 521B has, for example, a donut shape in which the outer peripheral side has the same diameter as the mounting surface 10A and the inner peripheral side has a circular hole 520HB having the same diameter as the circular hole 30H of the blade body 30. Further, the adhesive 522B is the outer peripheral side and inner peripheral side is formed in the same diameter as the tape base 521 B. Others are the same as those in the fifth embodiment, and a description thereof will be omitted.

  Since the adhesive resin portion 523B is the same as the adhesive resin portion 523A of the first modification of the fifth embodiment, the description thereof is omitted.

The connection reinforcing portion 540B includes an outer peripheral side connection reinforcing portion 541B and an inner peripheral side connection reinforcing portion 542B.
The outer peripheral connection reinforcing portion 541B is formed over the entire outer periphery of the adhesive 522B that constitutes the adhesive tape 520B, and connects the tape base 521B and the blade mounting surface 10A.
Further, the inner periphery side connection reinforcing portion 542B is formed over the entire inner periphery side of the adhesive 522B constituting the adhesive tape 520B, and connects the tape base material 521B and the blade mounting surface 10A.
Moreover, the connection reinforcement part 540B seals the outer peripheral side and inner peripheral side of the adhesive 522B in a liquid-tight manner. Others are the same as those in the fifth embodiment, and a description thereof will be omitted.

  In addition, about the technical matter described in the said embodiment, it is possible to add a various change in the range which does not deviate from the meaning of invention.

For example, the form of the connection reinforcing portion can be set as appropriate, and the connection reinforcing portions of the first to fifth embodiments may be applied in combination.
Moreover, in the said embodiment, although the connection reinforcement part was formed over the outer peripheral side and inner peripheral side whole periphery of an adhesive connection part, and demonstrated the case where an adhesive connection part was sealed, the outer peripheral side of an adhesive connection part A connection reinforcing portion may be formed only on either the inner peripheral side or the inner peripheral side. Moreover, you may form a connection reinforcement part intermittently in the circumferential direction of the outer peripheral side and inner peripheral side of an adhesive connection part.

  Further, for example, when both the blade attachment surface 10A and the connection surface 30T are connected to the adhesive connection portion by adhesive force, a connection reinforcing portion is formed only on either the blade attachment surface 10A or the connection surface 30T. May be.

  Moreover, it can be set suitably whether a double-sided adhesive tape is used as an adhesive connection member, or the double-sided adhesive member which does not have a tape base material shown in the 1st modification of 1st Embodiment is applied.

  Moreover, in the said embodiment, although the connection reinforcement part demonstrated the case where it forms by hardening a retarding ultraviolet curing adhesive, applying various resin, such as an ultraviolet curing adhesive, a thermosetting resin, and anaerobic resin, is applied. Can do.

Moreover, in the said embodiment, although the case where the hub was formed with the titanium alloy was demonstrated, you may form with a pure titanium or another material. In that case, the specific strength is preferably pure aluminum ((JIS standard A1060-O) specific strength 25.9) or more.
For example, when the hub is formed of an aluminum alloy or pure aluminum, A2017, A5083, A7075 (JIS standard) and the like are preferable.

  When the hub is formed of magnesium or a magnesium alloy, for example, MB3 (Mg-8.4% Al-0.6% Zn-0.25% Mn), MB5 (Mg-3.3%). Zn-0.6% Zr), MB6 (Mg-5.5% Zn-0.6% Zr) and the like are suitable. Since the magnesium hub has a large specific strength, it can be rotated at high speed, and has excellent damping ability, so that generation of vibration is suppressed and stable cutting can be achieved.

Further, the hub may be formed of plastic, and can be efficiently cut by rotating at high speed by appropriately setting from engineering plastics such as polycarbonate, fiber reinforced plastic, acrylic resin, and the like. .
Further, when the hub is made of polycarbonate (specific strength 52.5 kN · m / kg), it can be rotated at a high speed to improve cutting ability.

Moreover, in the said embodiment, although the case where the braid | blade main body 30 was set as the structure by which the diamond superabrasive grain 32 disperse | distributes to the metal base material 31 which consists of nickel plating, for example, copper (Cu) or copper alloy ( For example, a metal blade in which abrasive grains are dispersed in various applicable metal base materials such as Cu-Sn), a resin blade made of phenol resin, etc., and a glass powder containing a ceramic powder in which abrasive grains are mixed (inorganic material) Various blade bodies such as a Vito blade formed by firing and a blade formed of cemented carbide may be used.
In the present invention, various blade bodies that cannot be formed as electrodeposition blades can be connected by the adhesive connection portion.

  The flowcharts shown in FIGS. 5, 6, 7, 13, 17, 19, and 23 are examples, and may be changed (omitted or added) as appropriate.

  The hub type blade according to the present invention can be used industrially because the cutting ability can be improved.

100, 100A, 200, 300, 400, 400A, 400B, 500, 500A, 500B Hub type blade 10 Titanium hub (hub)
30 Blade body 30T Connection surface 120, 125, 220, 320 Double-sided adhesive tape (adhesive connection member, adhesive connection part)
125 Double-sided adhesive connection member (adhesive connection part)
42, 42A, 42B, 52, 52A, 52B Adhesive connection portion 420, 420A, 420B, 520, 520A, 520B Adhesive tape (adhesive connection member, adhesive connection portion)
422, 422A, 422B, 523, 523A, 523B Adhesive resin part (adhesive connection part)
120A, 120B, 125A, 125B, 220A, 220B, 320A, 320B, 420S, 520S Adhesive surfaces 121, 221, 321, 421, 521 Tape base materials 122, 123, 222, 223, 322, 323, 423, 423A, 423B 522, 522A, 522B Adhesive (adhesive adhesive resin)
140, 240, 340, 440, 440A, 440B, 540, 540A, 540B Connection reinforcement (UV curable resin, UV curable adhesive, photo curable resin)
141, 241, 341, 341A, 341B, 441, 441A, 441B, 541, 541A, 541B Outer peripheral side connection reinforcement 142, 242, 342, 342A, 342B, 442, 442A, 442B, 542, 542A, 542B Inner peripheral side Reinforcement member

Claims (6)

A titanium hub made of titanium or a titanium alloy and formed so as to be rotatable around an axis and having a blade mounting surface formed on one side in the axial direction;
A blade body having a connection surface connected to the blade mounting surface;
It is arranged between the titanium hub and the blade body, and holds either the blade mounting surface or the connection surface by adhesive force and holds the other by adhesive force or adhesion to connect the titanium hub and the blade body. An adhesive connection,
It is arrange | positioned in at least any one of the outer peripheral side of the said adhesive connection part, and an inner peripheral side, the joining surface of the said blade attachment surface and the said adhesive connection part, and joining of the said connection surface and the said adhesive connection part A hub-type blade comprising: a connection reinforcing portion in contact with at least one of the surfaces joined by adhesive force among the surfaces . The hub type blade according to claim 1,
The adhesive connection is
A hub type blade comprising a double-sided adhesive connecting member. The hub type blade according to claim 1 or 2,
The connection reinforcing portion is
Formed in the circumferential direction of at least one of the outer peripheral side and the inner peripheral side of the adhesive connection part,
A hub-type blade characterized in that the blade attachment surface and the connection surface are connected. The hub type blade according to claim 1 or 2,
The connection reinforcing portion is
A hub-type blade that is formed over the entire circumference in at least one of the outer peripheral side and the inner peripheral side of the adhesive connection portion and seals a portion held by adhesive force . The hub type blade according to any one of claims 1 to 4,
The hub reinforcing blade is characterized in that the connection reinforcing portion is formed by curing a photo-curing resin. The hub type blade according to claim 5,
The photo-curing resin is
A hub-type blade, which is a delayed photocurable resin.

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