JP2018051746A - Method of manufacturing mesh grindstone - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mesh grindstone attached with abrasive grains and capable of maintaining stable ejection of coolant liquid for a long time period and a manufacturing method thereof.SOLUTION: Each of mesh grindstones 10, 20, 30, 40 comprises: a layer of mesh circular plate 2 or a multiple layered circular plate laminate 20A made of one or more mesh sheets 1 formed in a circular plate shape, as a grindstone base; and diamonds, CBN abrasive grains 4 or WA, GC abrasive grains 4 fixed onto the mesh circular plate 2 or a periphery surface 20B of the circular plate laminate 20A, by electrodeposition or welding. In addition, the periphery surface 20B of the circular plate laminate 20A has a flat surface, or in the case of the multiple layered laminate, one of any surface shapes including a flat surface, a salient surface, a recessed surface and stepped surface.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a mesh grinding wheel capable of dealing with multiple grinding surfaces using a mesh disk obtained by processing a mesh sheet and a method for producing the same, and relates to a ferrous metal, non-ferrous, petroleum-based fiber, plant-based fiber, After cutting a mesh sheet of carbon fiber, cellulose nanofiber, non-woven fabric or the like into a circular shape, the circular sheet is formed into a single layered mesh disk or a laminated disk in which multiple layers are stacked, and the cross-sectional shape of the outer peripheral surface of this laminated disk is a thin grinding wheel The present invention relates to a mesh grinding wheel in which abrasive grains are fixed to an outer peripheral surface edge so as to enable grinding of a wide grinding wheel (flat), an R cross section (arc surface), a stepped cross section (formed), and other cross sectional shapes, and a manufacturing method thereof.

  In recent years, there have been provided grinding wheels in which a mesh sheet such as a metal mesh body, a fiber cloth, a nonwoven fabric or the like is formed into a disk and various abrasive grains are fixed to the outer peripheral surface by electrodeposition or other known fixing means. A flat grindstone that performs surface grinding of a workpiece as a wide grinding wheel by laminating multiple sheets from thin sheet cutting with a single grinding wheel. Further, a metal mesh body, fiber cloth, non-woven fabric, or other sheet is used as a cup-shaped body, and is provided as a grinding wheel for drilling a plate material with abrasive grains fixed to the circumference of the tip. Each of the above-mentioned grindstones uses a metal mesh body, fiber cloth, non-woven fabric or other sheet as a base body (framework). Therefore, the coolant liquid (cooling liquid) is passed through the mesh holes constituting the metal mesh body or the fiber cloth into the grindstone. There is merit that can supply to abrasive grains.

Hereinafter, a number of grinding wheels made of the above-mentioned wire mesh body, fiber cloth, nonwoven fabric and other sheet bodies are provided. One known example will be described.
Some grinding tools have been improved so that the holding power of abrasive grains is increased, the service life is increased, the removal of cutting waste is improved, and high-precision machining can be performed at a high speed. More specifically, the surface of the tube 1 in which the fibers such as carbon, glass, ceramics, thermosetting resin, metal, etc. are formed into a porous multi-layer by woven, knitted or non-woven from the porous hole. To fix the abrasive grains 2. Fixing is by electroplating, electroless plating, PVD, CVD gas phase plating, or laser welding. A grinding member made of the tube 1 to which the abrasive grains 2 are fixed is fixedly attached to the shank 3, and the shank 3 is provided with a coolant supply hole 3a in the central axis and an opening 3b in the fitting portion of the tube 1, and is porous. The cooling liquid can be ejected from the hole 1a of the quality tube (see, for example, Patent Document 1).

  JP-A-5-208371

  The grinding tool in the above-mentioned Japanese Patent Laid-Open No. 5-208371 discloses a tube 1 in which fibers of carbon, glass, ceramics, thermosetting resin, metal, etc. are formed into a multi-layered porous structure by woven, knitted or non-woven. The abrasive grains 2 are fixed from the quality hole to the surface. Thereby, the grinding member made of the tube 1 to which the abrasive grains 2 are fixed is fixedly attached to the shank 3, and the shank 3 is formed with the coolant supply hole 3a on the central axis and the opening 3b at the fitting portion of the tube 1. The coolant can be ejected from the hole 1a of the porous tube. However, since the abrasive grain 2 is fixed from the porous hole to the surface on the outer peripheral surface of the grindstone, it becomes a narrow gap hole, causing the clogging of the hole in a short period of time, and the initial coolant jet The problem is pointed out that it is impossible to maintain.

  Also, a stick-shaped grindstone in which a nylon resin is fitted into the tip of a screw rod (a rod-shaped body whose tip is thick like a base of a grindstone) and porous abrasive grains are sintered and fixed to the outer periphery of the nylon resin Is provided. Even if the coolant is supplied from the center hole of the screw rod of such a grindstone, the hole is clogged in a short period of time, and the problem is that the initial jet of coolant cannot be maintained. Is done.

  The inventor of the present application has been made in view of the problems of the porous annular grindstone and the like as described above. That is, is a mesh sheet or a mesh disk formed by winding a mesh sheet of ferrous metal, non-ferrous, petroleum-based fiber, plant-based fiber, carbon fiber, cellulose nanofiber, non-woven fabric, etc. around a base metal in a single layer or multiple layers? In addition to a grinding wheel disk formed by laminating a plurality of mesh disks, the grinding wheel is a flat grinding wheel with abrasive grains fixed to the outer periphery of the grinding wheel, and this manufacturing method is particularly stable in ejecting coolant. In order to maintain it for a long period of time, the present inventors have researched and developed a mesh grinding wheel with abrasive grains fixed and formed by rational means around the outer periphery and a manufacturing method thereof.

  The mesh grinding wheel according to claim 1, which achieves the above object, is a mesh disc wheel formed by forming a mesh sheet into a disc shape, and is a one-layer mesh disc body, and an outer peripheral surface of the mesh disc body is In this case, diamond, CBN electrodeposited abrasive grains, WA, GC abrasive grains, or the like are fixed to the outer peripheral surface of the mesh disk.

  The mesh grinding wheel according to claim 2, wherein the mesh disc wheel formed by forming a mesh sheet into a disc shape is a disc laminate laminated in multiple layers, and the outer peripheral surface of the disc laminate is In the case of plane or multilayer, it is one of arbitrary plane shapes such as plane, convex surface, concave surface, step surface, etc., and diamond, CBN electrodeposited abrasive grains or WA, GC abrasive grains, etc. are fixed to the outer peripheral surface of the disk laminate. It is characterized by that.

  The mesh grinding wheel according to claim 1 or 2, wherein the mesh sheet or the mesh disc is any one of iron-based metal, non-ferrous, petroleum-based fiber, plant-based fiber, carbon fiber, cellulose nanofiber, non-woven fabric, or a mixture thereof. It is characterized by being a sheet of woven or non-woven mesh.

  The method for producing a mesh grinding wheel according to claim 4 is the mesh grinding wheel according to claim 1, wherein the mesh disk obtained by cutting and molding the mesh sheet into a disc shape is used as a single mesh disk, The outer peripheral surface processing step in which the outer peripheral surface of the mesh disk body is a flat surface, and a pair of circular substrates serving as electric insulating jigs have a slightly smaller diameter than the outer peripheral diameter of the mesh disk body and are inserted into the center hole. A mounting step of gripping from both sides with the electrically insulating fastener, an abrasive grain fixing step of fixing abrasive grains to the outer peripheral surface exposed from the outer peripheral edges of a pair of circular substrates in the mesh disk body, and the fastener Detaching from the pair of circular substrates and extracting a mesh grinding wheel having abrasive grains fixedly formed on the outer periphery of the disk laminate.

  The method for producing a mesh grinding wheel according to claim 5 is a lamination step in which the mesh grinding wheel according to claim 2 is formed by laminating a mesh disk obtained by cutting and molding a mesh sheet into a disk shape in multiple layers. The outer peripheral surface of the disk laminate is formed into an arbitrary surface shape such as a flat surface, a convex surface, a concave surface, and a step surface, and a pair of circular substrates that serve as an electric insulating jig is the disk stack. A mounting step in which the diameter is slightly smaller than the outer peripheral diameter of the body and gripped from both sides with an electrical insulating fastener inserted through the center hole; and the outer peripheral diameter surface exposed from the outer peripheral edges of the pair of circular substrates in the disk stack An agglomerating process for adhering the abrasive grains to the surface, and a detaching process for separating the above-mentioned fasteners from the pair of circular substrates and extracting a mesh grinding wheel having the abrasive grains fixedly formed on the outer periphery of the disc laminate. It is characterized by.

  According to the mesh grinding wheel of claims 1 and 2, the cost is reduced because the minimum number of mesh sheets and, if necessary, the abrasive grains are fixed only on the outer peripheral surface of the grindstone as compared with the conventional mesh grindstone. In addition, the grinding fluid in the grindstone can easily penetrate from the area of the outer periphery of the mesh to the outside without flow resistance, and can be supplied smoothly and stably over a long period of time to greatly prevent grinding burn. . Furthermore, if it is a single-sheet configuration, it will be used as a mesh grinding wheel for cutting thin plates or curving thin plates, and if it is a mesh grinding wheel made up of a multi-layered disk stack, it will be flat, convex, concave, stepped, etc. It is used in a variety of ways to enable grinding of any surface of the grinding surface.

  The mesh grinding wheel according to claim 3 is the grinding wheel according to claim 1 or 2, wherein the mesh sheet is ferrous metal, non-ferrous, petroleum fiber, vegetable fiber, carbon fiber, cellulose nanofiber, non-woven fabric, etc. Since the woven net or non-woven mesh sheet is made of any one or a mixture of fibers, there is no limitation on the material of the grindstone, the manufacturing cost of the grindstone can be reduced, and the mesh sheet processing becomes easy, Contributes to the simplification of wheel manufacturing.

  According to the method for producing a mesh grinding wheel according to claim 4, since the mesh grinding wheel according to claim 1 is a method for producing a mesh grinding wheel in which one mesh sheet is formed into a disk shape, In addition to being able to reduce time and cost, the mesh sheet can be easily processed, contributing to the simplification of grinding wheel production. Furthermore, it is also used in various ways as a mesh grinding wheel (round saw) for cutting thin plates and curving thin plates.

  Furthermore, according to the method for manufacturing a mesh grinding wheel of claim 5, in the mesh grinding wheel of claim 2, the mesh sheet is formed into a disc shape to form a mesh disc, and this is a circularly laminated circle. Since the method is based on the plate laminate, the abrasive grains can be reliably and accurately fixed only to the outer peripheral surface of the disc laminate. Thereby, the manufacturing time of the grindstone can be shortened and the cost can be reduced, and the processing from the mesh sheet to the disk laminate can be facilitated, contributing to simplification of the grindstone production. In addition, since it is a mesh grinding wheel made of a disk laminate laminated in multiple layers, it can be used in a variety of ways to grind a grinding surface having an arbitrary shape such as a flat surface, a convex surface, a concave surface, or a step surface.

  Further, in the above-mentioned mesh grinding wheel, the mesh disc formed by forming a mesh sheet into a disc shape is a disc laminate formed by laminating one layer or multiple layers. Thus, if it is a grinding wheel for cutting a plate, and if it is a disk laminated body having a small number of layers, it is possible to cut a thin plate as a circular saw that bends to the left and right. Furthermore, if it is a thick multilayer disk laminated body, the diversity (applicable to a multi-grinding grindstone) which can apply a grindstone outer peripheral surface to various shapes in a surface grinding grindstone is exhibited.

  The 1st and 2nd embodiment of this invention is shown, and each mesh grinding wheel and this manufacturing procedure figure.   The 3rd Embodiment of this invention is shown and it is a mesh grinding wheel of 1 sheet structure, and this manufacturing-process figure.   FIG. 9 shows a fourth embodiment of the present invention, and is a mesh grinding wheel having a large number of sheets and a manufacturing process diagram thereof.   It is action | operation sectional drawing of the electrodeposition method (electrolytic method) of this invention.   It is an effect | action figure of the grinding fluid injection of each mesh grinding wheel of this invention.

  Hereafter, the mesh grinding wheel of this invention and this manufacturing method are demonstrated one by one with reference to FIGS.

  First, in FIG. 1, the mesh grinding wheel 10 of the first embodiment for explaining the configuration and manufacturing procedure of each of the mesh grinding wheels 10 to 40 of the present invention is a mesh disc (grinding stone) obtained by molding the mesh sheet 1 into a disc shape. Disk 2, that is, a single-layer mesh disk 2. The outer peripheral surface 2A of the mesh disk is cut into a thin plate plane by a cutting tool F having a flat processing surface f in order to cut the outer peripheral diameter uniformly. After this treatment, diamond, CBN electrodeposited abrasive grains, WA, GC abrasive grains 4 or the like are electrodeposited or welded onto the outer peripheral surface 2A of the mesh disk body 2 (collectively referred to as fixing). After this treatment, the mesh grinding wheel 10 is used by being attached to the tool holder H1. Normally, when using as a thin plate cutting, the mesh grinding wheel 10 is a flat plate without bending, and when cutting a thin plate into a curved shape, the mesh grinding wheel 10 is mounted by being bent with the tool holder H1, and used as a curved cutting of a thin plate. Is done.

  Next, in the mesh grinding wheels 20 and 21 of the second embodiment, the mesh sheet 1 is a mesh disc (grinding stone disc) 2 formed into a disc shape, and this is a disc laminate obtained by laminating it in multiple layers. The outer peripheral surface 20B of the disk laminate is cut by a cutting tool F having a flat processing surface f for cutting the outer peripheral diameter into a uniform plane. In addition, in order to cut into the inclined surface (taper surface) 21B, it cuts with the cutter F1 which made the processed surface f into the inclined surface (taper surface). After this treatment, diamond, CBN electrodeposited abrasive grains, WA, GC abrasive grains 4 or the like are electrodeposited or welded (collectively referred to as “fixed”) to the outer peripheral surfaces 20B, 21B of the disk laminate. The mesh grinding wheels 20 and 21 are used by being attached to the tool holder H1.

  Next, in the embodiment of the mesh grindstones 30 and 31, a mesh disc (grindstone disc) 2 obtained by molding the mesh sheet 1 into a disc shape, and a disc laminate 30A in which the mesh disc 1 is laminated in multiple layers. The outer peripheral surface 30B of the disk laminate is cut by a cutting tool F having a processing surface f as a concave surface in order to cut the outer peripheral diameter into a convex surface. In addition, in order to cut the outer peripheral surface 30B into the one-side convex surface (hemispherical surface) 31B, cutting is performed by the cutting tool F having the processing surface f as the one-side concave surface 31B. After this treatment, the outer peripheral surfaces 30B and 31B are formed by electrodeposition or welding (generically referred to as fixation) of diamond, CBN electrodeposited abrasive grains or WA, GC abrasive grains 4 and the like. The mesh grinding wheels 30 and 31 are used by being attached to the tool holder H1.

  Next, in the embodiment of the mesh grindstones 40 and 41, a mesh disc (grindstone disc) 2 obtained by molding the mesh sheet 1 into a disc shape, and a disc laminate 40A in which the mesh disc 1 is laminated in multiple layers. The outer peripheral surface 40B of the disk laminate is cut by a cutting tool F having a processed surface f as a stepped surface in order to cut the outer peripheral diameter into a stepped flat surface. In addition, in order to cut the outer peripheral surface 41B into the uneven surface (saw blade surface) 41B, the processing surface f is processed with the cutting tool F of the uneven surface (saw blade surface) 41B. The outer peripheral surfaces 40B and 41B are formed by electrodeposition or welding (generically referred to as fixing) diamond, CBN electrodeposited abrasive grains or WA, GC abrasive grains 4 and the like. The mesh grinding wheels 40 and 41 are used by being attached to the tool holder H1.

  The mesh sheet or mesh disk is a mesh or non-woven mesh made of any of ferrous metals, non-ferrous metals, petroleum-based fibers, plant-based fibers, carbon fibers, cellulose nanofibers, non-woven fabrics, or a mixture of fibers. This is a mesh grinding wheel characterized by being a sheet. Further, in order to electrodeposit diamond and CBN electrodeposited abrasive grains 4 on each of the outer peripheral surfaces 20B, 21B, 30B, 31B, 40B, and 41B of the mesh disk body 2, a disk laminate that is laminated in one layer or multiple layers. With 20A, 30A, and 40A, the electrodeposition method (electrolysis method or chemical plating method, details will be described later) in a state where both end surfaces are held by flanges 5 and 6 of an electrically insulating material having a diameter slightly smaller than the outer diameter. ), The abrasive grains 4 are electrodeposited only on the outer peripheral edges of the outer peripheral surfaces 20B, 21B, 30B, 31B, 40B, and 41B of the mesh disc body 2 protruding from the outer peripheral surfaces of the flanges 5 and 6.

  Further, in the grinding wheels 10 to 41 according to the second embodiment, the mesh sheet 2 or the mesh disk 2A and the like are woven with fibers, such as ferrous metals, non-ferrous metals, petroleum-based fibers, plant-based fibers, The fiber yarn Y is a net or non-woven mesh sheet made of carbon fiber, cellulose nanofiber, non-woven fabric, or the like, or a fiber made of a mixture. Then, superabrasive grains are electrodeposited and fixed on the net of conductive fibers. Insulator fiber nets are fixed by depositing, evaporating and superabrasive grains. Since the jig 50 (described later in FIGS. 2 and 3) serving as an electrodeposition unit uses an insulator (plastic, ceramic, porcelain) other than the mesh sheet 2 or the mesh disk 2A, a mask is unnecessary.

  Further, the outer peripheral surfaces 2A, 20B to 41B of the mesh disk body are cut into various shapes by the cutting tool F (F1), and when the cutting tool F is used for cutting, the enlarged view of FIG. As described above, the tip of the fiber yarn group Y of the mesh disk 2 is arranged to be directed rearward in the grindstone rotation direction N. Thereby, the fixed amount of the abrasive grains 4 is increased and the peeling is suppressed, and the grinding efficiency and the grinding amount are ensured over a long period of time.

  According to the above-mentioned mesh grinding wheels 10 to 40, as compared with the conventional mesh grinding stone, the minimum number of mesh sheets is necessary and the abrasive grains are fixed only on the outer peripheral surface of the grinding stone through the insulator jig as much as possible. As a result, the cost can be reduced and the grinding fluid in the grindstone can easily penetrate from the area of the outer peripheral surface of the mesh to the outside, and can be supplied smoothly and stably over a long period of time to greatly reduce grinding burn. Can be prevented. Furthermore, if it is a single-sheet structure, it will be used as a mesh grinding wheel for cutting thin plates or curved cutting of thin plates, and if it is a mesh grinding wheel made of a multi-layered disc stack, it will be flat, convex, concave, stepped, tapered. It is possible to grind a grinding surface with an arbitrary surface shape such as a surface or a sawtooth shape.

  In addition, the mesh sheet is composed of a net or non-woven mesh sheet woven from any of ferrous metal, non-ferrous, petroleum-based fibers, plant-based fibers, carbon fibers, cellulose nanofibers, non-woven fabrics, or a mixture of fibers. Since the fiber yarn is used, there is no limitation on the material of the grindstone, the production cost of the grindstone can be reduced, the mesh sheet processing becomes easy, and it can contribute to simplification of the grindstone production.

Next, a method for manufacturing the mesh grinding wheel 10 according to the third embodiment will be described with reference to FIG.
First, as shown in FIG. 2, the jig 50 for electrodepositing the abrasive grains 4 on the outer peripheral surface 2A of the mesh grinding wheel 10 made of one mesh disk (grinding stone disk) 2 is an insulating material of electrical insulation. It consists of a body (plastic, ceramic, porcelain). Specifically, it comprises a pair of insulating round sheets 51 of rubber or cardboard that grip the mesh grinding wheel 10 from both sides, and flanges 52, 53 of an electrical insulator that grips the mesh grinding wheel 10 from both outsides. The outer peripheral surface 2A of the mesh disc (grindstone disc) 2 held by the pair of flanges 52 and 53 slightly protrudes to the outside, and the abrasive grains 4 are electrodeposited here. The arbor H1 of the tool holder H0 is fastened by a washer 56 and a bolt 57 through the center hole h of each flange and the like so as to be gripped by the metal flanges 54 and 55 on the outside of the mesh grinding abrasive 10.

  Hereafter, the manufacturing method of the mesh grinding wheel used as 3rd Embodiment is demonstrated with reference to Fig.2 (a) (b) (c). In a forming step (a) in which a mesh disc 2 obtained by cutting and molding the mesh sheet 1 into a disc shape is used as a single mesh disc body 2, the outer peripheral surface 2A of the mesh disc body 2 shown in FIG. In the outer peripheral surface processing step (b) in which the processing surface f of the cutting tool F is a flat surface, the pair of circular substrates (flanges) 52 and 53, which are shown in FIG. In the mounting step (c), which is slightly smaller than the outer peripheral diameter of the disc body 2 and is gripped from both sides with an electrically insulating fastening bolt and nut inserted into the center hole h, the mesh shown in FIG. Abrasive fixing process in which abrasive grains 4 are electrodeposited on the outer peripheral surface 2A exposed from the outer peripheral edges of a pair of circular substrates (flanges) 52, 53 in a disc body (d) As shown in FIG. Abrasive grains 4 are separated from the pair of circular substrates (flanges) 52 and 53 on the outer periphery 2A of the disk laminate 2. 2 (a) and 2 (b) are a separation step (e) for extracting the fixedly formed mesh grinding wheel 10 and a mounting step (H0) for attaching the grinding fluid C to the tool holder H1 that supplies the grinding fluid C to the mesh grinding stone 10 through the center through. ). As shown in FIG. 4, the electrodeposition method (electrolytic method or scientific plating method) of the abrasive grains 4 is performed by putting the jig 50, the abrasive grains 4 and the electrolytic solution E into the electrolysis container 60 and passing the current i. Electrolysis (electrolysis) is performed, and the abrasive grains 4 are electrodeposited only on the outer peripheral surface 2A exposed to the outside.

  Then, based on FIG. 3, the manufacturing method of the mesh grinding wheel 20-40 used as 4th Embodiment is demonstrated. In FIG. 1, the outer peripheral surface 20B of the mesh grinding wheel 20 has a uniform outer diameter and the mesh grinding wheel 21 is an inclined surface as described in the configuration and manufacturing procedure of each of the mesh grinding wheels 10 to 40 of the present invention. (Tapered surface) 21B, the outer peripheral surface 30B of the mesh grinding wheel 30 is a convex surface, the outer peripheral surface 31B of the mesh grinding wheel 31 is a one-sided convex surface (semispherical surface), and the outer peripheral surface 40B of the mesh grinding wheel 40 is a stepped surface. The outer peripheral surface 41B of the grinding wheel 41 is an uneven surface (saw blade surface).

  In FIG. 3, as the manufacturing procedure, first, a mesh laminate (grinding stone disc) 2 obtained by cutting and molding the mesh sheet 1 into a disc shape is formed into a disc laminate, and each grindstone 20 to 40 is formed. A laminating step (1) for tightening and fixing the mesh disk (grindstone disk) 2 with flanges 52 and 53, and grinding and shaping the outer peripheral surface and side surface of the mesh disk (grindstone disk) 2 into an arbitrary shape; That is, the outer peripheral surface processing step (2) in which the outer peripheral surface of the disk laminate is one of arbitrary surface shapes such as a flat surface, a convex surface, a concave surface, and a step surface, and the left and right side surfaces of the mesh grinding wheels 20 to 40 are An electrically insulating fastener (shown in the figure) that is gripped by a jig 50 made of an insulator and that the outer peripheral edge of each mesh grinding wheel 20-40 protrudes a small amount from the flanges 52 and 53 of the jig and is inserted into the center hole. None) and mounting process (3) for gripping from both sides Then, the abrasive grain electrodeposition step (4) for electrodepositing abrasive grains on the outer peripheral surface exposed from the outer peripheral edges of the pair of flanges, and the flanges 52 and 53 of the jig 50 are separated, and the mesh grinding wheels 20 to 40 are separated. The separation step (5) to be extracted and the assembly step (6) for assembling the mesh grinding wheels 20 to 40 removed from the jig after the step to the tool holder H1.

According to the mesh grinding wheels 10 to 40 and the manufacturing method according to the fourth and fifth embodiments of the present invention, the following operations and effects are exhibited.
The mesh grinding wheel according to any one of claims 1 to 3, wherein the mesh sheet is formed into a disc shape to form a mesh disc, and this is a manufacturing method using a disc laminate laminated in a single layer or multiple layers. Abrasive grains can be electrodeposited or welded (collectively referred to as “fixed”) reliably and accurately only on the outer peripheral surface of any shape of the laminate. Thereby, the manufacturing time of the grindstone can be shortened and the cost can be reduced, and the processing from the mesh sheet to the disk laminate can be facilitated, contributing to simplification of the grindstone production. Furthermore, since it is a mesh grinding wheel made of a multi-layered disk stack, it can be used in various ways to grind grinding surfaces of any surface shape such as flat, convex, concave, stepped, tapered, and serrated. The

  Furthermore, according to the mesh grinding wheels 10 to 40 and this manufacturing method, the manufacturing time of the grinding stone is shortened and the cost can be reduced, and the processing of the mesh sheet is facilitated, which contributes to the simplification of the grinding wheel manufacturing. Furthermore, as illustrated in FIG. 5, the mesh grinding stones 10 to 40 attached to the tool holder H <b> 1 use the coolant C supplied from the tail end of the tool holder to the abrasive grains on the outer peripheral surface of the mesh grinding wheels 10 to 40. Increases the efficiency of ejection from the 4 gaps. As a result, the chip discharging efficiency is greatly improved as compared with the conventional grindstone.

  Furthermore, if the effects of the grinding wheels 10 to 40 are added, (1) the grinding fluid is supplied from the center of rotation of the grinding wheel to the peripheral processing point of the grinding wheel, and the grinding burn is greatly suppressed. {Circle around (2)} With no noise, the grinding fluid can be reliably supplied for inner diameter grinding, R recess grinding, and fine groove grinding. (3) Since the grinding fluid is not clogged with the air bubbles of the grinding wheel, the service life of the grinding wheel can be increased. In addition, the above jig eliminates the need for a mask.

  The present invention is not limited to the above-described mesh grinding wheels 10 to 40 and this manufacturing method, but is also applicable to embodiments such as a circular saw for cutting a curve, a dicing saw for cutting a silicon wafer, and a cup grinding stone for drilling.

1 mesh sheet 2 mesh disk (grinding wheel disk)
2A Outer peripheral surface 4 Abrasive grains C Grinding fluid (coolant fluid)
f Machining surface F (F1) Cutting tool H0 Tool holder h Center hole Y Fiber thread 10 Mesh grinding wheel 20, 21 Mesh grinding wheel 20A Disc laminate 20B, 21B Outer peripheral surface 21B Inclined surface (tapered surface)
30, 31 Mesh grinding wheel 30A Disc laminated body 30B Outer peripheral surface 31B One side convex surface (hemispherical surface)
40, 41 Mesh grinding wheel 40A Disc laminate 40B Outer peripheral surface 41 Concavity and convexity 50 Jig 52, 53 Flange 60 Electrolysis vessel

[0012]
[Means for Solving the Problems]
The method for producing a mesh grinding wheel according to claim 1, wherein the mesh disk of the mesh disk obtained by forming the mesh sheet into a disk shape is a single mesh disk body, and the outer peripheral surface of the mesh disk body is: A method for producing a mesh grinding wheel in which diamond, CBN electrodeposited abrasive grains or WA, GC abrasive grains are fixed to the outer peripheral surface of the mesh disk body,
A forming step in which a mesh disc obtained by cutting and molding a mesh sheet into a disc shape is formed as a single mesh disc body, an outer peripheral surface processing step in which the outer peripheral surface of the mesh disc body is a flat surface, and an electric insulating jig A pair of circular substrates having a diameter slightly smaller than the outer peripheral diameter of the mesh disk body and holding from both sides with an electrical insulating fastener inserted through the center hole; and a pair of mesh substrates in the mesh disk body Abrasive fixing process in which abrasive grains are fixed to the outer peripheral diameter surface exposed from the outer peripheral edge of the circular substrate, and mesh grinding in which the fastener is detached from the pair of circular substrates and the abrasive grains are fixedly formed on the outer periphery of the disk stack. A method for producing a mesh grinding wheel, comprising: a separation step of extracting a grinding stone; and a mounting step of attaching a grinding liquid to a tool holder that supplies the grinding fluid to the mesh grinding stone by center through.

The flat grinding wheel manufacturing method according to claim 2, wherein the mesh disk in which the mesh sheet is formed into a disk shape is a disk laminate in which one layer or multiple layers are laminated, and an outer peripheral surface of the disk laminate. Method of manufacturing a flat grinding wheel with diamond, CBN electrodeposited abrasive grains, or WA, GC abrasive grains fixed so that a grid-like gap is intermittently provided at a constant interval in the axial direction of the disk laminate In the laminating step of laminating a mesh disk obtained by cutting and molding a mesh sheet into a disk shape, and a central axis made upright on a circular substrate of a jig made of an electrically insulating material. A mounting step for fitting the disk stack, and a bar material in which the outer peripheral surface of the disk stack is made upright in an annular manner at equal intervals, leaving a slight lattice-like gap on the outer peripheral upper surface of the circular substrate. A contact process, and a holding circle on the central axis of the electrical insulation upright on the circular substrate The upper end (free end) of the bar is engaged with a number of engaging holes formed in the outer peripheral surface of the holding disc, and a nut is screwed into the upper end screw portion of the central shaft. A set-up process for fastening, an abrasive grain fixing process for fixing abrasive grains in a gap where no bar material exists on the outer peripheral surface of the disk stack, and a holding disk is released by loosening the nut to release the disk stack And a detaching step of detaching the flat grinding wheel formed by adhering abrasive grains to the outer periphery of the jig from the jig.

[0016]
【Effect of the invention】
According to the method for manufacturing a mesh grinding wheel according to claim 1 , since it is a method for manufacturing a mesh grinding wheel obtained by forming a single mesh sheet into a disk shape, the manufacturing time of the grinding wheel can be shortened and the cost can be reduced. In addition, the processing of the mesh sheet becomes easy and contributes to the simplification of the grinding wheel production. Furthermore, it is also used in various ways as a mesh grinding wheel (round saw) for cutting thin plates and curving thin plates.

According to the method for manufacturing a mesh grinding wheel according to claim 2, the mesh sheet is formed into a disc shape to form a mesh disc, and this is a method using a disc laminate laminated in multiple layers. Abrasive grains can be fixed securely and accurately only on the outer peripheral surface of the. Thereby, the manufacturing time of the grindstone can be shortened and the cost can be reduced, and the processing from the mesh sheet to the disk laminate can be facilitated, contributing to simplification of the grindstone production. In addition, since it is a mesh grinding wheel made of a disk laminate laminated in multiple layers, it can be used in a variety of ways to grind a grinding surface having an arbitrary shape such as a flat surface, a convex surface, a concave surface, or a step surface.

The method for producing a mesh grinding wheel according to claim 2, wherein the mesh disc wheel formed by forming a mesh sheet into a disc shape is a disc laminate laminated in multiple layers, and the outer periphery of the disc laminate The surface is one of arbitrary surface shapes such as a flat surface, a convex surface, a concave surface, and a step surface, and diamond, CBN electrodeposited abrasive grains, or WA, GC abrasive grains are fixed to the outer peripheral surface of the disk laminate. A method of manufacturing a mesh grinding wheel,
Laminating process for forming a laminated sheet of mesh sheets obtained by cutting and forming a mesh sheet into a disk shape, and an arbitrary surface shape such as a flat surface, convex surface, concave surface, step surface, etc. The outer peripheral surface machining step and the pair of circular substrates that serve as electrical insulation jigs are made of electrical insulation fasteners that are slightly smaller in diameter than the outer circumference of the disk laminate and are inserted into the center hole. A mounting step for gripping from both sides, an abrasive fixing step for fixing abrasive particles to the outer peripheral surface exposed from the outer peripheral edge of the pair of circular substrates in the disk laminate, and the fasteners are detached from the pair of circular substrates. A separation step of extracting a mesh grinding wheel in which abrasive grains are fixedly formed on the outer periphery of the disk laminate, and a mounting step of attaching to a tool holder that supplies the grinding liquid to the mesh grinding wheel with a center through. To do.

Claims (5)

  A grindstone disc of a mesh disc formed by molding a mesh sheet into a disc shape is a one-layer mesh disc body, and the outer circumferential surface of the mesh disc body is a flat surface on the outer circumferential surface of the mesh disc body. A mesh grinding wheel characterized by fixing diamond, CBN electrodeposited abrasive grains, WA, GC abrasive grains or the like.   A mesh disc grindstone disc formed by molding a mesh sheet into a disc shape is a disc laminate laminated in multiple layers, and the outer peripheral surface of the disc laminate is a plane, in the case of a multilayer, a plane, a convex surface, A mesh grinding wheel characterized in that it is one of arbitrary surface shapes such as a concave surface and a step surface, and diamond, CBN electrodeposited abrasive grains or WA, GC abrasive grains are fixed to the outer peripheral surface of the disk laminate.   The mesh grinding wheel according to claim 1 or 2, wherein the mesh sheet or the mesh disc is any one of iron-based metal, non-ferrous, petroleum-based fiber, plant-based fiber, carbon fiber, cellulose nanofiber, non-woven fabric, or a mixture thereof. A mesh grinding wheel characterized by being a mesh woven or non-woven mesh sheet.   The mesh grinding wheel according to claim 1, wherein a mesh disk obtained by cutting and molding a mesh sheet into a disk shape is used as a single mesh disk body, and an outer periphery in which the outer peripheral surface of the mesh disk body is a flat surface. Surface mounting process and a pair of circular substrates that serve as electrical insulation jigs are slightly smaller than the outer peripheral diameter of the mesh disk body and are mounted to be gripped from both sides with electrical insulation fasteners inserted through the center hole A step of fixing the abrasive grains to the outer peripheral diameter surfaces exposed from the outer peripheral edges of the pair of circular substrates in the mesh disk body, and the disk laminate by separating the fastener from the pair of circular substrates. A mesh grinding wheel characterized by comprising: a separation step of extracting a mesh grinding wheel having abrasive grains fixedly formed on the outer periphery thereof; and a mounting step of attaching to a tool holder that supplies the grinding fluid to the mesh grinding wheel with a center through. Production method.   In the mesh grinding wheel according to claim 2, a laminating step of forming a disc laminate obtained by laminating a mesh disc obtained by cutting and molding a mesh sheet into a disc shape, and a flat outer peripheral surface of the disc laminate, The outer peripheral surface processing step formed as one of arbitrary surface shapes such as a convex surface, a concave surface, and a step surface, and a pair of circular substrates serving as electric insulation jigs have a diameter slightly smaller than the outer peripheral diameter of the above-mentioned disk stack and a center. A mounting step of gripping from both sides with an electrical insulating fastener inserted through the hole, and an abrasive grain fixing step of fixing the abrasive grains to the outer peripheral surface exposed from the outer peripheral edges of the pair of circular substrates in the disc laminate, To the tool holder for removing the fastener from the pair of circular substrates and extracting the mesh grinding wheel having abrasive grains fixedly formed on the outer periphery of the disk stack, and supplying the grinding fluid to the mesh grinding wheel by center through A mounting process for mounting Method for producing a mesh grinding wheel to symptoms.

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