WO2014136954A1 - Linear grinding material, brush-shaped grindstone and method for manufacturing linear grinding material - Google Patents
Linear grinding material, brush-shaped grindstone and method for manufacturing linear grinding material Download PDFInfo
- Publication number
- WO2014136954A1 WO2014136954A1 PCT/JP2014/056028 JP2014056028W WO2014136954A1 WO 2014136954 A1 WO2014136954 A1 WO 2014136954A1 JP 2014056028 W JP2014056028 W JP 2014056028W WO 2014136954 A1 WO2014136954 A1 WO 2014136954A1
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- WIPO (PCT)
- Prior art keywords
- linear abrasive
- linear
- cross
- sectional shape
- brush
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
- B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
- B24D13/10—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of brushes
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
- B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
- B24D13/145—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face having a brush-like working surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0027—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by impregnation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
- B24D3/344—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent the bonding agent being organic
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/30—Brushes for cleaning or polishing
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/30—Brushes for cleaning or polishing
- A46B2200/3093—Brush with abrasive properties, e.g. wire bristles
Definitions
- the present invention relates to a linear abrasive in which inorganic long fibers are hardened with a resin binder, a brush-like grindstone in which the linear abrasive is held in a holder, and a method for producing the linear abrasive.
- Patent Documents 1 and 2 describe a brush-like grindstone provided with a plurality of linear abrasives and a holder for holding these linear abrasives in a bundle.
- grinding or polishing is performed at the tip of the linear abrasive while rotating the brush-like grindstone around the axis.
- Patent Document 1 as a method for producing a linear abrasive, after impregnating a resin binder into an inorganic long fiber aggregate yarn, it is wound up while removing excess resin with a squeeze roller, and then the resin binder is heated and cured. Is described.
- the linear abrasive with a circular cross-sectional shape has a constant flexibility in any direction, the behavior during processing becomes regular, and there is no edge effect. Therefore, the grinding force may be suppressed.
- an object of the present invention is to provide a linear abrasive and a brush-like grindstone having an edge effect and high grinding power. Moreover, it is in proposing the manufacturing method of such a linear abrasive.
- the present invention is based on the new knowledge by the inventors that the polishing ability and grinding ability when a linear abrasive is used for a brush-like grindstone are affected by the cross-sectional shape of the linear abrasive.
- the present invention is characterized in that a cross-sectional shape is a square, a rectangle or an ellipse in a linear abrasive material in which an aggregate yarn of inorganic long fibers is hardened with a resin binder.
- linear abrasives having a square cross-sectional shape have the same dimensions in the vertical and horizontal directions of the cross-section, and are therefore difficult to bend and strong. Further, the linear abrasive having a square cross-sectional shape has an edge effect because the diagonal direction of the cross-section is less likely to bend than the vertical and horizontal directions. Therefore, a linear abrasive having a square cross-sectional shape has high grindability. Further, in the present invention, the linear abrasive having a rectangular cross-sectional shape has a thin cross-sectional thickness direction with respect to the width direction (longitudinal direction). Therefore, the grinding ability can be maintained.
- a linear abrasive having a rectangular cross-sectional shape has an edge effect because it is difficult to bend in the longitudinal direction and the diagonal direction of the cross-section. Furthermore, a linear abrasive having a rectangular cross-sectional shape is irregular in behavior during processing because the cross-sectional thickness method and the ease of bending in the width direction are different. Therefore, in the linear abrasive having a rectangular cross-sectional shape, the irregularity of the behavior and the edge effect are combined to increase the grinding ability.
- the linear abrasive having an elliptical cross-sectional shape has a thin cross-sectional thickness direction with respect to the width direction (longitudinal direction), and therefore the tip is easily broken and a self-generating action of generating a new cutting edge is active. . Therefore, the grinding ability can be maintained.
- a linear abrasive having an elliptical cross-sectional shape has an edge effect because it is difficult to bend in the longitudinal direction of the cross-section.
- a linear abrasive with an elliptical cross-sectional shape has a different behavior during processing because the cross-sectional thickness method and the ease of bending in the width direction are different.
- the present invention may have a rectangular or elliptical cross-sectional shape and a flatness ratio of 1.1 or more and 5.0 or less. If the flatness is in such a range, it is recognized that the linear abrasive is less likely to bend in the longitudinal direction of the cross section and exhibits an edge effect.
- the flatness ratio is a value obtained by dividing the longitudinal dimension by the lateral dimension.
- the surface roughness of the workpiece after machining tends to become rough when the flattening ratio is increased to increase the machining efficiency, and when the flattening ratio is lowered to lower the machining efficiency, the surface roughness tends to become finer.
- the aggregate yarn may be twisted.
- the vertical cracking of the linear abrasive material (cracking in the length direction of the linear abrasive material) can be prevented, and wear due to impact can be prevented.
- the length dimension of the linear abrasive per cycle of the winding can be 1 cm or more and 4 cm or less. If the length dimension of the linear abrasive per turn is 4 cm or less, the effect of preventing vertical cracking of the linear abrasive can be obtained. Moreover, if the length dimension of the linear abrasive per twisting cycle is set to 1 cm or more, it is possible to prevent the inorganic long fibers from coming off due to the twisting.
- the length dimension of the linear abrasive per cycle of the twist is 1 cm when the flatness range is 1.1 or more and 1.9 or less.
- the range of the flatness ratio is 2.0 or more and 5.0 or less, it can be 10 cm or more and 20 cm or less.
- the range of the flatness ratio is 1.1 or more and 1.9 or less, if the length dimension of the linear abrasive per turn is 4 cm or less, vertical cracking of the linear abrasive is prevented. An effect can be obtained.
- the length dimension of the linear abrasive per twisting cycle is set to 1 cm or more, it is possible to prevent the inorganic long fibers from coming off due to the twisting.
- the range of the flatness is 2.0 or more and 5.0 or less, if the length dimension of the linear abrasive per turn is 20 cm or less, the flatness is 2.0 or more. Even if it is a large linear abrasive, the effect which prevents the vertical crack can be acquired. Further, if the length dimension of the linear abrasive per one cycle of twist is 10 cm or more, even if the linear abrasive has a large flatness of 2.0 or more, the inorganic long fiber scrap caused by the twist You can prevent standing.
- the brush-like grindstone of the present invention has a plurality of linear abrasives and a holder for holding the plurality of linear abrasives as a bundle, and each linear abrasive is made of inorganic long fibers.
- the aggregate yarn is solidified by a resin binder, and the cross-sectional shape of each linear abrasive is a square, a rectangle or an ellipse.
- each of the plurality of linear abrasives since each of the plurality of linear abrasives has an edge effect and a high grinding force, the workpiece can be easily processed with the brush-like grindstone.
- the present invention relates to a method for producing a linear abrasive material in which an aggregate yarn of inorganic long fibers is hardened by a resin binder, an impregnation step of impregnating the aggregate yarn with an uncured resin binder, and impregnating the resin binder
- a resin binder when manufacturing a linear abrasive, after impregnating an uncured resin binder into an aggregate yarn in an impregnation step, before curing the resin binder in a resin curing step, or simultaneously with a resin curing step, a resin binder A shaping step of shaping the cross-sectional shape of the aggregate yarn by passing the aggregate yarn impregnated with dies through a die. Therefore, the cross-sectional shape of the linear abrasive can be easily controlled.
- a twisting step of twisting the aggregate yarn can be performed before the impregnation step.
- the inorganic long fibers are gathered in the aggregate yarn by the amount of twisting of the aggregate yarn, compared to the case of using the aggregate yarn in which the inorganic long fibers extend in parallel to each other. It is easy to control the cross-sectional shape of the linear abrasive.
- vertical cracking of the linear abrasive material (cracking in the length direction of the linear abrasive material) can be prevented, and wear due to impact can be prevented.
- Another aspect of the present invention is an impregnation step in which the aggregate yarn is impregnated with an uncured resin binder in the method for producing a linear abrasive in which an aggregate yarn of inorganic long fibers is hardened with a resin binder, and the resin
- a resin curing step for curing the binder and a polishing shaping step for polishing the outer peripheral surface of the aggregate yarn to shape the cross-sectional shape into a square, a rectangle, or an ellipse are performed.
- the cross-sectional shape of the linear abrasive can be easily controlled by polishing the outer peripheral surface of the aggregate yarn.
- FIG. 1 is an explanatory diagram of a brush-like grindstone according to a first embodiment of the present invention.
- a brush 10 for a polishing machine shown in FIG. 1 is a tool for deburring or polishing a surface of a metal workpiece, and includes a brush-like grindstone 1, a brush case 2 that holds the brush-like grindstone 1, and a brush. And a fixing screw 3 for fixing the shaped whetstone 1 to the brush case 2.
- the brush-like grindstone 1 includes a plurality of linear abrasives 11 and a holder 12 that holds the proximal end side of these linear abrasives 11.
- the plurality of linear abrasives 11 are held by the holder 12 as a plurality of bundles 110 made of a plurality of linear abrasives 11, and the bundle 110 is the rotation center axis of the polishing machine brush 10.
- the linear abrasive 11 is made of a thermosetting resin epoxy resin, a phenol resin, a silicone resin, a thermoplastic polyester resin, a polypropylene resin, a polyamide resin or the like on an aggregate of inorganic long fibers such as alumina fiber filaments. It is impregnated and cured to form a linear shape.
- the aggregate yarn is, for example, an aggregate of 250 to 3000 alumina long fibers (inorganic long fibers) having a fiber diameter of 8 to 50 ⁇ m, and the aggregate yarn has a diameter of 0.1 mm to 2 mm. For this reason, the diameter of the linear abrasive 11 is 0.1 mm to 2 mm, similar to the diameter of the aggregate yarn.
- the inorganic long fiber is not particularly limited as long as it is a material that is relatively abrasive with respect to the material to be polished, that is, a material that is harder and more brittle than the material to be polished.
- silicon carbide fiber, boron fiber, or glass fiber can be used. Depending on the material to be polished, these may be mixed, and the alumina fiber and silicon carbide fiber have very good polishing properties for ferrous and non-ferrous metals.
- the holder 12 is made of metal or resin, and its outer shape is cylindrical.
- the outer diameter may be a quadrangular prism shape.
- a cylindrical abrasive material holding portion 12a that opens in the axial direction is formed on one end side of the holder 12, and a proximal end portion of the bundle 110 of the linear abrasive material 11 is inserted into the abrasive material holding portion 12a. Then, the linear abrasive 11 and the holder 12 are integrally coupled by bonding and fixing.
- the brush case 2 includes a cylindrical peripheral wall portion 21 with a bottom, and a drive connecting shaft 22 that extends from one end side of the peripheral wall portion 21 in the direction of the central axis (rotation center axis L) of the peripheral wall portion 21.
- the inner diameter dimension of the peripheral wall portion 21 is slightly larger than the outer diameter dimension of the holder 12.
- the brush case 2 is made of metal or resin.
- the drive connecting shaft 22 is for attaching the polishing machine brush 10 to the polishing apparatus, and a rotational driving force is transmitted to the polishing machine brush 10 via the drive connecting shaft 22 to perform a polishing operation.
- the polishing machine brush 10 is normally driven to rotate about the rotation center axis L, but is not limited to rotation, and may be reciprocated, oscillated, oscillated, or a combination of these operations. .
- the peripheral wall portion 21 of the brush case 2 is formed with one elongated hole-like opening portion 21 a extending along the axial direction.
- a flat surface (not shown) extending along the axial direction is formed on the inner peripheral surface of the peripheral wall portion 21 in a region facing the opening 21a across the rotation center axis L.
- the thin wall part 21c whose thickness is thinner than the other site
- the thin-walled portion 21c has a shape in which a part of the outer peripheral surface of the peripheral wall portion 21 is long and flatly cut by a predetermined length along the axial direction.
- two thin portions 21c are formed on both sides of the position facing the opening 21a across the rotation center axis L.
- the brush case 2 has the opening 21a formed in the peripheral wall portion 21, but the center of gravity position is on the rotation center axis L by the formation of the two thin portions 21c and the formation of the flat surface.
- a screw hole 12b is formed through the upper end side portion of the holder 12 in a direction passing through the rotation center axis L and perpendicular to the rotation center axis L.
- the screw hole 12 b is for screwing the fixing screw 3 when the brush-like grindstone 1 is assembled to the brush case 2.
- a hexagon socket set screw is used as the fixing screw 3
- a hexagon hole 31 for fitting the tip of the hexagon wrench 5 is formed at the end of the fixing screw 3.
- the brush-like grindstone 1 and the polishing machine brush 10 are rotated around the rotation center axis L in a state where the tip of the linear abrasive 11 is pressed against the surface of the workpiece, and at the time of molding or processing Deburring the generated surface and polishing the work surface.
- the workpiece is, for example, a die cast product of magnesium or aluminum.
- the workpiece may be a steel member processed using a tool such as an end mill, a drill, a die, or a tap.
- the fixing screw 3 is screwed into the screw hole 12b from the opening 21a, and tightened from the opening 21a side toward the inner side of the screw hole 12b. Since the fixing screw 3 is a hexagon socket set screw, it is tightened until it is completely accommodated in the screw hole 12b. As a result, the tip 30 of the fixing screw 3 slightly protrudes from the screw hole 12 b and abuts against a flat surface formed on the inner peripheral surface of the brush case 2. Accordingly, the fixing screw 3 and the holder 12 are stretched in the radial direction in the peripheral wall portion 21 of the brush case 2, and the holder 12 is pressed and fixed to the inner peripheral surface of the peripheral wall portion 21 on the opening 21 a side. In this state, since the base end portion of the fixing screw 3 has entered the screw hole 12 b, the fixing screw 3 does not protrude from the outer peripheral surface of the peripheral wall portion 21 at all.
- FIG. 2 is an explanatory view of a brush-like grindstone according to the second embodiment of the present invention.
- symbol is attached
- a plurality of linear abrasives 11 are held in the holder 12 as a plurality of bundles 110, but as shown in FIG.
- the linear abrasive 11 is held by the holder 12 as one bundle 110.
- the center of rotation is performed with the tip of the linear abrasive 11 pressed against the surface of the workpiece. It is rotated around the axis L, and is used for deburring that occurs during molding and processing, and for polishing the workpiece surface.
- FIG. 3 is an explanatory diagram of a brush-like grindstone according to a third embodiment of the present invention.
- the basic structure of the brush for polishers of this example is the same as that of the form shown in FIG. 1, the same code
- a brush-like grindstone 1 shown in FIG. 3 is a tool for removing burrs in an intersection hole, and a plurality of linear abrasives 11 are held in a holder 12 as one bundle 110.
- the holder 12 is formed with a drive connecting shaft 120 extending in the direction of the rotation center axis L, and the drive connecting shaft 120 is connected to an electric rotary drive device or the like.
- the heat shrinkable tube 40 is covered so as to straddle the root of the bundle 110 of the holder 12 and the linear abrasive material 11.
- the brush-shaped grindstone 1 configured in this way inserts the bundle 110 of the linear abrasive material 11 into the cross hole from the tip side, and rotates the brush-shaped grindstone 1 around the rotation center axis L in this state. As a result, the linear abrasive 11 spreads radially outward due to centrifugal force, and burrs generated in the cross holes can be removed.
- FIG. 4 is an explanatory view schematically showing the configuration of the linear abrasive material 11 of the first embodiment to which the present invention is applied.
- FIG. 5 is an explanatory view schematically showing a state in which warpage is added to the aggregate yarn constituting the linear abrasive material 11, and two inorganic long fibers among the inorganic long fibers constituting the aggregate yarn are each shown by solid lines. And indicated by a two-dot chain line.
- FIG. 4 is an explanatory view schematically showing the configuration of the linear abrasive material 11 of the first embodiment to which the present invention is applied.
- FIG. 5 is an explanatory view schematically showing a state in which warpage is added to the aggregate yarn constituting the linear abrasive material 11, and two inorganic long fibers among the inorganic long fibers constituting the aggregate yarn are each shown by solid lines. And indicated by a two-dot chain line.
- FIG. 4 is an explanatory view schematically showing the configuration of the linear abra
- FIGS. 4, 6, and 7 are explanatory views schematically showing the configuration of the linear abrasive material 11 of the third embodiment to which the present invention is applied.
- the inorganic long fibers are enlarged from the aggregate yarn 15 and the linear abrasive 11 when the long inorganic fibers are made into a circle 150 to represent the cross section of the aggregate yarn 15 and the linear abrasive 11. Therefore, the circle 150 indicating the inorganic long fiber includes a part lacking, but in the aggregate yarn 15 and the linear abrasive 11, a part of the inorganic long fiber is included. It's not missing.
- the linear abrasive 11 used in the brush-like grindstone 1 of the first example, the second example, and the third example the linear abrasive 11A having a positive cross-sectional shape shown in the first example
- the linear abrasive 11B having a rectangular cross-sectional shape shown in the second embodiment or the linear abrasive 11C having an elliptical cross-sectional shape shown in the third embodiment is used.
- the linear abrasive 11 ⁇ / b> A of this example has a square cross-sectional shape that is orthogonal to the axis.
- the linear abrasive 11A of this example has the same dimensions in the X direction and the Y direction of the cross section, it is difficult to bend and has a strong waist. Therefore, the linear abrasive 11A is suitable for polishing a surface with little unevenness or a surface without unevenness. Moreover, since the linear abrasive 11A has sufficient waist strength even in a state where the protruding dimension is long, it is suitable for deburring in an intersection hole where a strong waist is required. Furthermore, the linear abrasive 11A has a regular behavior during processing because the linear abrasive 11A has a substantially constant flexibility in the X and Y directions of the cross section.
- the linear abrasive 11A is used, it is possible to perform processing with a small finished surface roughness that hardly causes scratches. Therefore, the linear abrasive 11A is suitable for polishing a surface or the like whose finished surface roughness is important.
- the linear abrasive 11A has an edge effect because it is difficult to bend in the diagonal direction of the cross section. Further, since the linear abrasive 11A has a right angle, the edge effect is high. Therefore, it has high grindability.
- the aggregate yarn 15 of the linear abrasive 11A may be twisted.
- the twist applied to the collective yarn 15 of the linear abrasive 11A has a length dimension S of the linear abrasive 11A per cycle of the twist of 1 cm or more and 4 cm or less. If the length dimension S of the linear abrasive 11A per one cycle of turning is set to 4 cm or less, the effect of preventing the vertical crack of the linear abrasive 11A can be obtained. Further, if the length dimension S of the linear abrasive 11A per one cycle of twisting is set to 1 cm or more, it is possible to prevent the inorganic long fibers from coming off due to the twisting.
- the linear abrasive 11 ⁇ / b> B of this example has a rectangular cross-sectional shape orthogonal to the axis.
- the linear abrasive 11B of this example has a smaller dimension in the thickness direction T (short direction) compared to the dimension in the width direction W (longitudinal direction). Therefore, the linear abrasive 11B is easily bent in the thickness direction T and is not easily broken. Therefore, the linear abrasive 11B is suitable for deburring a surface having a lot of irregularities on the processed surface. Moreover, since the linear abrasive 11B has a thin cross-sectional thickness direction with respect to the width direction, the self-generated action of easily breaking the tip and generating a new cutting edge is active. Furthermore, since the linear abrasive 11B is thin, clogging is less likely to occur.
- the linear abrasive 11B has an edge effect because it is difficult to bend in the longitudinal direction and the diagonal direction of the cross section. Further, since the linear abrasive 11B has a right angle, the edge effect is high. Furthermore, since the linear abrasive 11B has a different cross-sectional thickness method and ease of bending in the width direction, the behavior during processing becomes irregular. Therefore, in the linear abrasive 11B, the irregularity of the behavior and the edge effect are combined to increase the grinding ability. Therefore, the linear abrasive 11B is easily adapted to the unevenness of the workpiece and is suitable for deburring and surface polishing that require high grindability.
- the flatness (the value obtained by dividing the dimension in the width direction W by the dimension in the thickness direction T) of the linear abrasive 11B is in the range of 1.1 to 5.0. That is, when the flatness is in the range of 1.1 to 5.0, it is recognized that the linear abrasive 11B is less likely to bend in the longitudinal direction of the cross section and exhibits an edge effect.
- the range of the flatness ratio is 2.0 or more and 5.0 or less, it is highly effective for the activity of self-generation, the difficulty of clogging, the irregular behavior during processing, and the edge effect. Obtainable.
- the flatness range is 1.1 or more and 1.9 or less, the activity of self-generation and the difficulty of clogging are slightly reduced, but the behavior during processing becomes relatively regular, A finished surface with fine roughness can be obtained.
- the set yarn 15 of the linear abrasive 11B may be twisted.
- the twist applied to the collective yarn 15 has a length dimension S of the linear abrasive 11B per one cycle of the twist. 1 cm or more and 4 cm or less. If the length dimension S of the linear abrasive 11B per one cycle of turning is set to 4 cm or less, the effect of preventing the vertical crack of the linear abrasive 11B can be obtained. Further, if the length dimension S of the linear abrasive 11B per one cycle of twisting is 1 cm or more, it is possible to prevent the inorganic long fibers from coming off due to the twisting.
- the length dimension S of the linear abrasive 11B per cycle of turning is 10 cm or more and 20 cm or less. If the length dimension S of the linear abrasive 11B per cycle of turning is 20 cm or less, the effect of preventing the vertical crack of the linear abrasive 11B can be obtained. Moreover, if the length dimension S of the linear abrasive 11B per one period of twisting is 10 cm or more, it is possible to prevent the inorganic long fibers from being fluffed due to the twisting.
- the inorganic long fibers are more elongated in the thickness direction than when the cross-sectional shape is square.
- the length of the linear abrasive 11B per turn is longer than that in the case where the cross-sectional shape is square. It can prevent standing.
- the linear abrasive 11C of this example has an elliptical cross-sectional shape orthogonal to the axis.
- the linear abrasive 11C of this example has a smaller dimension in the thickness direction T (short direction) than in the width direction W (longitudinal direction). Therefore, the linear abrasive 11C is easily bent in the thickness direction T and is not easily broken. Therefore, the linear abrasive 11C is suitable for deburring a surface having a lot of irregularities on the processed surface. Moreover, since the linear abrasive 11C has a thin cross-sectional thickness direction with respect to the width direction, the tip is easily broken and a self-generating action of generating a new cutting edge is active. Furthermore, since the linear abrasive 11C is thin, clogging is less likely to occur.
- the linear abrasive 11C has an edge effect because it is difficult to bend in the longitudinal direction of the cross section. Furthermore, since the linear abrasive 11C has a different cross-sectional thickness method and ease of bending in the width direction, the behavior during processing becomes irregular. Therefore, in the linear abrasive 11C, the irregularity of the behavior and the edge effect are combined to increase the grinding ability. Therefore, the linear abrasive 11C is easily adapted to the unevenness of the workpiece and is suitable for deburring and surface polishing that require high grindability.
- the flatness of the linear abrasive 11C (the value obtained by dividing the dimension in the width direction W by the dimension in the thickness direction T) is in the range of 1.1 to 5.0. That is, when the flatness is in the range of 1.1 to 5.0, it is recognized that the linear abrasive 11C is less likely to bend in the longitudinal direction of the cross section and exhibits an edge effect.
- the range of the flatness ratio is 2.0 or more and 5.0 or less, it is highly effective for the activity of self-generation, the difficulty of clogging, the irregular behavior during processing, and the edge effect. Obtainable.
- the range of the flatness ratio is 1.1 or more and 1.9 or less, the activity of self-generation and the difficulty of clogging are slightly reduced, but the behavior during processing becomes relatively regular, and the surface roughness becomes rough. A fine finished surface can be obtained.
- the elliptical linear abrasive 11C has no corners in the cross section, it can be used for surface polishing or the like that requires fine surface roughness without scratching scratches during workpiece machining.
- the set yarn 15 of the linear abrasive 11C may be twisted.
- the twist applied to the collective yarn 15 has a length dimension S of the linear abrasive 11C per one cycle of the twist. 1 cm or more and 4 cm or less.
- the range of the flatness ratio of the linear abrasive 11C is 2.0 or more and 5.0 or less
- the length dimension S of the linear abrasive 11C per one cycle of turning is 10 cm or more and 20 cm or less. In this way, the same effect as in the case of the linear abrasive 11B having a rectangular cross-sectional shape can be obtained.
- FIG. 8 is an explanatory view showing a first embodiment of a method for manufacturing a linear abrasive, and FIGS. 8A and 8B show an impregnation step and steps after the impregnation step.
- the inorganic continuous fiber aggregate yarn 15 is impregnated with an uncured resin binder 16.
- a resin such as an epoxy resin of a thermosetting resin, a phenol resin, a silicone resin, a polyester resin of a thermoplastic resin, a polypropylene resin, or a polyamide resin can be used.
- the collecting yarn 15 is supplied in a state of being wound around a cylindrical or columnar bobbin 51, and the resin binder 16 is stored in the resin binder tank 53.
- a guide member 54 such as a roller disposed inside the resin binder tank 53 and a roller disposed outside the resin binder tank 53. It progresses while being guided by guide members 55 and 56 such as.
- the aggregate yarn 15 is immersed in the resin binder 16 stored in the resin binder tank 53 before being wound around the bobbin 52, and is impregnated with the resin binder 16.
- the aggregate yarn 15 impregnated with the resin binder 16 is wound around the bobbin 52 so as not to overlap.
- the impregnated collective yarn 15 wound around the bobbin 52 is shaped in a cross-section when passing through the die 61 as a shaping step, and then in a resin curing step.
- the resin binder 16 is cured by passing through the heating furnace 62.
- the linear abrasive 11 in which the aggregate yarn 15 of a plurality of inorganic long fibers is hardened by the resin binder 16 is obtained.
- the linear abrasive 11 thus obtained is cut into a predetermined dimension after the resin curing step. Further, the linear abrasive 11 may be cut into a predetermined dimension after being wound around a bobbin (not shown).
- a passage (not shown) through which the impregnated collective yarn 15 passes is formed in the die 61, and the passage opens at both end faces of the die 61.
- an opening 610 of the passage is provided on the end face of the die 61, and the aggregate yarn 15 is shaped into a cross-sectional shape corresponding to the shape of the passage and the opening 610 when passing through the die 61.
- the linear abrasive 11 having a cross-sectional shape corresponding to the shape of the passage of the die 61 and the opening 610 is obtained.
- the opening 610 is square, a linear abrasive 11 (linear abrasive 11A) having a square cross-sectional shape is obtained as shown in FIG. Moreover, if the shape of the opening part 610 is a rectangle, as shown in FIG. 6, the linear abrasive 11 (linear abrasive 11B) whose cross-sectional shape is a rectangle will be obtained. Similarly, if the shape of the opening 610 is elliptical, as shown in FIG. 7, a linear abrasive 11 (linear abrasive 11C) having an elliptical cross-sectional shape is obtained.
- the passage may have any configuration of a through hole and a groove opened on the side surface of the dice 61.
- the linear abrasive 11 when the linear abrasive 11 is manufactured, after the aggregate yarn 15 is impregnated with the uncured resin binder 16 in the impregnation step, before the resin binder 16 is cured in the resin curing step.
- the aggregate yarn 15 impregnated with the resin binder 16 is passed through the die 61 to shape the cross-sectional shape of the aggregate yarn 15. Therefore, the cross-sectional shape of the linear abrasive 11 can be easily controlled.
- FIG. 9 is an explanatory view showing a second embodiment of the method for manufacturing a linear abrasive material.
- FIGS. 9A and 9B show an impregnation step and steps after the impregnation step. Since the basic configuration of the form shown in FIG. 9 is the same as that described with reference to FIG. 8, common portions are denoted by the same reference numerals and description thereof is omitted.
- the impregnation step shown in FIG. 9A is similar to the impregnation step described with reference to FIG.
- the uncured resin binder 16 is impregnated into the aggregate yarn 15 of inorganic long fibers.
- the collective yarn 15 is supplied in a state of being wound around a cylindrical or columnar bobbin 51, and the resin binder 16 stored in the resin binder tank 53 before being wound around the bobbin 52. And the resin binder 16 is impregnated.
- the bobbin 51 is provided with a driving device 59 for rotating the bobbin 51 around an axis P extending in the feeding direction of the collective yarn 15, and is synchronized with the sending of the collective yarn 15 during the impregnation step.
- the driving device 59 rotates the bobbin 51 around the axis P. Therefore, as shown schematically in FIG. 5, the aggregate yarn 15 is warped.
- the length dimension S of the linear abrasive material per period of winding is 1 cm or more and 4 cm or less.
- the length dimension S of the linear abrasive per cycle of turning is: It is 1 cm or more and 4 cm or less, or 10 cm or more and 20 cm or less.
- the impregnated collective yarn 15 wound around the bobbin 52 is shaped in a cross-sectional shape when passing through the die 61 as a shaping step, and then in a resin curing step.
- the resin binder 16 is cured by passing through the heating furnace 62.
- the linear abrasive 11 in which the aggregate yarn 15 of a plurality of inorganic long fibers is hardened by the resin binder 16 is obtained.
- the linear abrasive 11 is cut into a predetermined dimension after the resin curing step. Further, the linear abrasive 11 may be cut into a predetermined dimension after being wound around a bobbin (not shown).
- the die 61 has an opening 610 through which the impregnated aggregate yarn 15 passes, and the aggregate yarn 15 is shaped into a cross-sectional shape corresponding to the shape of the opening 610 when passing through the die 61.
- a linear abrasive 11 having a square, rectangular or elliptical cross-sectional shape is obtained.
- the linear abrasive 11 when the linear abrasive 11 is manufactured, after the aggregate yarn 15 is impregnated with the uncured resin binder 16 in the impregnation step, before the resin binder 16 is cured in the resin curing step.
- the aggregate yarn 15 impregnated with the resin binder 16 is passed through the die 61 to shape the cross-sectional shape of the aggregate yarn 15.
- the cross-sectional shape of the linear abrasive 11 can be easily controlled. Therefore, it is possible to realize the brush-like grindstone 1 provided with a linear abrasive having a cross-sectional shape suitable for applications such as surface polishing and deburring of cross holes.
- the twisting process for twisting the collective yarn 15 is performed before the impregnation process, the inorganic continuous fibers are gathered in the collective yarn 15 as much as the collective yarn 15 is twisted. Therefore, it is easier to control the cross-sectional shape of the linear abrasive material 11 than in the case of using the aggregate yarn 15 in which the inorganic long fibers extend in parallel with each other.
- the length dimension of the linear abrasive material 11 per period of winding is 1 cm or more and 4 cm or less.
- the length dimension of the linear abrasive 11 per one period of winding is 4 cm or less, the effect of winding can be expressed.
- the length dimension of the linear abrasive 11 per one period of twist is 1 cm or more, it is possible to prevent the inorganic long fibers from being fluffed due to the twist.
- the length of the linear abrasive 11 per one cycle of twisting when the flatness range is 1.1 or more and 1.9 or less.
- the size is 1 cm or more and 4 cm or less. If the length dimension S of the linear abrasive 11C per cycle of turning is set to 4 cm or less, the effect of preventing vertical cracking of the linear abrasive 11 as in the case of the linear abrasive 11 having a square cross-sectional shape. Obtainable.
- the length dimension S of the linear abrasive 11C per one period of twist is set to 1 cm or more, as with the linear abrasive 11 having a square cross-sectional shape, it is possible to prevent the inorganic long fibers from flaking due to the twist. .
- the length of the linear abrasive 11 per one cycle of twisting when the flatness range is 2.0 or more and 5.0 or less.
- the size is 10 cm or more and 20 cm or less. That is, in the linear abrasive material 11 having a cross-sectional flatness of 2.0 or more, the linear abrasive material 11 per cycle of the grinding is compared with a case where the linear abrasive material 11 has a square cross-sectional shape. Long length dimension. Therefore, even if the flatness ratio is as large as 2.0 or more, the inorganic yarns are gathered in the aggregate yarn 15 in both the thickness direction and the width direction.
- the cross-sectional shape of the linear abrasive material 11 is easier to control the cross-sectional shape of the linear abrasive material 11 than in the case of using the aggregate yarn 15 in which the inorganic long fibers extend in parallel with each other.
- the cross-sectional shape of the linear abrasive 11 is a rectangle or an ellipse having a flatness ratio of 2.0 or more, an increase in twisting tends to cause inorganic long fiber flaking in the thickness direction.
- the cross-sectional shape of the linear abrasive 11 is a square, since the length dimension of the linear abrasive 11 per one period of winding is made long, the inorganic long fiber is prevented from being stripped. can do.
- the length dimension of the linear abrasive material 11 per period of twist is 20 cm or less. For this reason, the effect of resentment can be expressed. Moreover, since the length dimension of the linear abrasive 11 per one period of twist is 10 cm or more, it is possible to prevent the inorganic long fiber from being fluffed due to twist.
- the resin curing process is performed after the shaping process.
- a heating device may be provided in the die 61, and the shaping process and the resin curing process may be performed simultaneously.
- the shaped linear abrasive material is cut into a cross-sectional shape having a predetermined size.
- the size adjustment process cut out by the above can be provided.
- the cross-sectional shape of the collective yarn 15 is shaped by passing through the die 61, but the shaping step of shaping the cross-sectional shape by passing the collective yarn 15 through the die 61 is omitted, and the impregnation step And after performing a resin hardening process continuously, the outer peripheral surface of the aggregate yarn 15 can be grind
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Abstract
Description
(研磨機用ブラシの全体構成)
図1は、本発明の第1実施例に係るブラシ状砥石の説明図である。図1に示す研磨機用ブラシ10は、金属製ワークの表面にバリ取りや研磨等を行うためのツールであり、ブラシ状砥石1と、このブラシ状砥石1を保持するブラシケース2と、ブラシ状砥石1をブラシケース2に固定するための固定ねじ3とを備えている。 [First Example of Brush-shaped Grinding Wheel]
(Overall configuration of polishing machine brush)
FIG. 1 is an explanatory diagram of a brush-like grindstone according to a first embodiment of the present invention. A
本形態では、ブラシケース2にブラシ状砥石1を固定ねじ3により固定するにあたって、まず、ブラシケース2の周壁部21には、軸方向に沿って延びる長穴状の開口部21aが1箇所形成されている。また、周壁部21の内周面において、回転中心軸線Lを挟んで開口部21aと対向する領域には、軸方向に沿って延びる平坦面(図示せず)が形成されている。また、周壁部21には、他の部位よりも肉厚が薄い薄肉部21cが形成されている。かかる薄肉部21cは、周壁部21の外周面の一部を軸線方向に沿って所定長さ分だけ細長く平坦に削った形状になっている。本形態において、回転中心軸線Lを挟んで開口部21aと対向する位置の両側に2つの薄肉部21cが形成されている。このため、ブラシケース2は、周壁部21に開口部21aが形成されているが、2つの薄肉部21cの形成、および平坦面の形成によって、重心位置が回転中心軸線L上にある。 (Brush-shaped grinding wheel fixing structure to brush case)
In this embodiment, when the brush-
本発明を適用した研磨機用ブラシ10を組み立てるにあたって、ブラシ状砥石1をブラシケース2に組み付けて固定ねじ3で固定する際には、まず、ブラシケース2内にブラシ状砥石1をホルダ12側から挿入する。そして、ブラシ状砥石1をブラシケース2内で軸方向にスライドさせることにより、線状砥材11の自由端側が周壁部21の一端側の開口から必要な長さだけ突き出すように組み付け位置の調整を行う。その際、ブラシケース2に形成された開口部21aからホルダ12のねじ穴12bの開口が見えるように周方向の位置を調整しながら挿入する。これにより、ホルダ12に設けられたねじ穴12bへの開口部21aからのアクセスが可能となる。 (Assembly method of brush for polishing machine, adjustment method of protrusion size of linear abrasive)
In assembling the
図2は、本発明の第2実施例に係るブラシ状砥石の説明図である。なお、本例の研磨機用ブラシの基本的な構成は、図1に示す形態と同様であるため、共通する部分には同一の符号を付してそれらの説明を省略する。 [Second embodiment of brush-like grindstone]
FIG. 2 is an explanatory view of a brush-like grindstone according to the second embodiment of the present invention. In addition, since the basic structure of the brush for polishers of this example is the same as that of the form shown in FIG. 1, the same code | symbol is attached | subjected to a common part and those description is abbreviate | omitted.
図3は、本発明の第3実施例に係るブラシ状砥石の説明図である。なお、本例の研磨機用ブラシの基本的な構成は、図1に示す形態と同様であるため、共通する部分には同一の符号を付してそれらの説明を省略する。 [Third embodiment of brush-like grindstone]
FIG. 3 is an explanatory diagram of a brush-like grindstone according to a third embodiment of the present invention. In addition, since the basic structure of the brush for polishers of this example is the same as that of the form shown in FIG. 1, the same code | symbol is attached | subjected to a common part and those description is abbreviate | omitted.
ここで、第1実施例、第2実施例、および第3実施例のブラシ状砥石1に用いられる線状砥材11を説明する。図4は本発明を適用した第1実施例の線状砥材11の構成を模式的に示す説明図である。図5は線状砥材11を構成する集合糸に縒りを加えた様子を模式的に示す説明図であり、集合糸を構成する無機長繊維のうち、2本の無機長繊維を各々、実線および二点鎖線で示してある。図6は本発明を適用した第2実施例の線状砥材11の構成を模式的に示す説明図である。図7は本発明を適用した第3実施例の線状砥材11の構成を模式的に示す説明図である。なお、図4、図6、図7において、無機長繊維を円150にして集合糸15および線状砥材11の断面を表すにあたって、無機長繊維を集合糸15および線状砥材11より拡大して少なく表してあるため、無機長繊維を示す円150には、一部が欠けているものが含まれているが、集合糸15および線状砥材11において、無機長繊維の一部が欠けている訳ではない。第1実施例、第2実施例、および第3実施例のブラシ状砥石1に用いられる線状砥材11としては、第1実施例に示す断面形状が正方向の線状砥材11A、第2実施例に示す断面形状が長方形の線状砥材11B、または、第3実施例に示す断面形状が楕円形の線状砥材11Cが用いられる。 [Linear abrasive]
Here, the linear abrasive 11 used for the brush-
図4に示すように、本例の線状砥材11Aは、その軸線と直交する断面形状が、正方形である。 [First Example of Linear Abrasive Material]
As shown in FIG. 4, the linear abrasive 11 </ b> A of this example has a square cross-sectional shape that is orthogonal to the axis.
図6に示すように、本例の線状砥材11Bは、その軸線と直交する断面形状が、長方形である。 [Second Example of Linear Abrasive Material]
As shown in FIG. 6, the linear abrasive 11 </ b> B of this example has a rectangular cross-sectional shape orthogonal to the axis.
図7に示すように、本例の線状砥材11Cは、その軸線と直交する断面形状が、楕円形である。 [Third embodiment of linear abrasive]
As shown in FIG. 7, the linear abrasive 11C of this example has an elliptical cross-sectional shape orthogonal to the axis.
図8は線状砥材の製造方法の第1実施例を示す説明図であり、図8(a)、(b)には、含浸工程、および含浸工程以降の工程が表されている。 [First embodiment of manufacturing method of linear abrasive]
FIG. 8 is an explanatory view showing a first embodiment of a method for manufacturing a linear abrasive, and FIGS. 8A and 8B show an impregnation step and steps after the impregnation step.
図9は線状砥材の製造方法の第2実施例を示す説明図であり、図9(a)、(b)には、含浸工程、および含浸工程以降の工程が表されている。なお、図9に示す形態の基本的な構成は、図8を参照して説明した形態と同様であるため、共通する部分には同一の符号を付してそれらの説明を省略する。 [Second Embodiment of Manufacturing Method of Linear Abrasive Material]
FIG. 9 is an explanatory view showing a second embodiment of the method for manufacturing a linear abrasive material. FIGS. 9A and 9B show an impregnation step and steps after the impregnation step. Since the basic configuration of the form shown in FIG. 9 is the same as that described with reference to FIG. 8, common portions are denoted by the same reference numerals and description thereof is omitted.
第1実施例および第2実施例では、ダイス61に通して集合糸15の断面形状を整形しているが、集合糸15をダイス61に通して断面形状を整形する整形工程を省き、含浸工程および樹脂硬化工程を連続して行った後に、集合糸15の外周面を研磨して、その断面形状を正方形、長方形または楕円形とする研磨整形工程を備えることもできる。 [Third embodiment of manufacturing method of linear abrasive]
In the first and second embodiments, the cross-sectional shape of the
Claims (9)
- 無機長繊維の集合糸を樹脂バインダーによって固めた線状砥材において、
断面形状が正方形、長方形または楕円形であることを特徴とする線状砥材。 In the linear abrasive material in which the aggregate yarn of inorganic long fibers is hardened with a resin binder,
A linear abrasive having a cross-sectional shape of a square, rectangle or ellipse. - 請求項1において、
長方形または楕円形の断面形状を備え、
偏平率が1.1以上、5.0以下であることを特徴とする線状砥材。 In claim 1,
With a rectangular or oval cross-sectional shape,
A linear abrasive having a flatness ratio of 1.1 or more and 5.0 or less. - 請求項1において、
前記集合糸には縒りがかけられていることを特徴とする線状砥材。 In claim 1,
A linear abrasive characterized in that the aggregate yarn is warped. - 請求項3において、
正方形の断面形状を備え、
前記縒りの1周期当たりの前記線状砥材の長さ寸法は、1cm以上、4cm以下であることを特徴とする線状砥材。 In claim 3,
With a square cross-sectional shape,
The linear abrasive is characterized in that a length of the linear abrasive per cycle of the twist is 1 cm or more and 4 cm or less. - 請求項3において、
長方形または楕円形の断面形状を備え、
前記縒りの1周期当たりの前記線状砥材の長さ寸法は、偏平率の範囲が1.1以上、1.9以下の場合、1cm以上、4cm以下であり、偏平率の範囲が2.0以上、5.0以下の場合、10cm以上、20cm以下であることを特徴とする線状砥材。 In claim 3,
With a rectangular or oval cross-sectional shape,
The length dimension of the linear abrasive per cycle of the twist is 1 cm or more and 4 cm or less when the flatness range is 1.1 or more and 1.9 or less, and the flatness range is 2. In the case of 0 or more and 5.0 or less, the linear abrasive is 10 cm or more and 20 cm or less. - 複数本の線状砥材と、
前記複数本の線状砥材を束として保持するホルダと、を有し、
各線状砥材は、無機長繊維の集合糸が樹脂バインダーによって固められたものであり、
各線状砥材の断面形状は、正方形、長方形または楕円形であることを特徴とするブラシ状砥石。 A plurality of linear abrasives;
A holder for holding the plurality of linear abrasives as a bundle,
Each linear abrasive is a set of inorganic filaments solidified by a resin binder,
A brush-like grindstone characterized in that the cross-sectional shape of each linear abrasive is a square, a rectangle or an ellipse. - 無機長繊維の集合糸が樹脂バインダーによって固められた線状砥材の製造方法において、
前記集合糸に未硬化の樹脂バインダーを含浸する含浸工程と、
前記樹脂バインダーを含浸した前記集合糸をダイスに通して当該集合糸の断面形状を正方形、長方形または楕円形に整形する整形工程と、
前記整形工程の後、または前記整形工程と同時に前記樹脂バインダーを硬化させる樹脂硬化工程と、
を行うことを特徴とする線状砥材の製造方法。 In the method for producing a linear abrasive material in which the aggregate yarn of inorganic long fibers is hardened by a resin binder,
An impregnation step of impregnating the aggregate yarn with an uncured resin binder;
A shaping step in which the aggregate yarn impregnated with the resin binder is passed through a die to shape the cross-sectional shape of the aggregate yarn into a square, a rectangle or an ellipse;
A resin curing step of curing the resin binder after the shaping step or simultaneously with the shaping step;
The manufacturing method of the linear abrasive characterized by performing. - 請求項7において、
前記含浸工程の前に前記集合糸に縒りをかける縒り工程を行うことを特徴とする線状砥材の製造方法。 In claim 7,
A method for producing a linear abrasive material, comprising a step of twisting the aggregate yarn before the impregnation step. - 無機長繊維の集合糸が樹脂バインダーによって固められた線状砥材の製造方法において、
前記集合糸に未硬化の樹脂バインダーを含浸する含浸工程と、
前記樹脂バインダーを硬化させる樹脂硬化工程と、
前記集合糸の外周面を研磨して、その断面形状を正方形、長方形または楕円形に整形する研磨整形工程と、
を行うことを特徴とする線状砥材の製造方法。 In the method for producing a linear abrasive material in which the aggregate yarn of inorganic long fibers is hardened by a resin binder,
An impregnation step of impregnating the aggregate yarn with an uncured resin binder;
A resin curing step for curing the resin binder;
Polishing and shaping the outer peripheral surface of the aggregate yarn, shaping the cross-sectional shape into a square, rectangle or ellipse,
The manufacturing method of the linear abrasive characterized by performing.
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BR112015021636-6A BR112015021636B1 (en) | 2013-03-08 | 2014-03-07 | LINEAR GRINDING MEMBER, BRUSH SIMILAR GRINDING STONE AND METHOD FOR MANUFACTURING LINEAR GRINDING MEMBER |
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EP14759583.9A EP2965866B1 (en) | 2013-03-08 | 2014-03-07 | Linear grinding material, brush-shaped grindstone and method for manufacturing linear grinding material |
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- 2014-03-07 US US14/773,307 patent/US20160016293A1/en not_active Abandoned
- 2014-03-07 BR BR112015021636-6A patent/BR112015021636B1/en active IP Right Grant
- 2014-03-07 KR KR1020157027806A patent/KR20150126668A/en active Search and Examination
- 2014-03-07 CN CN201480012744.3A patent/CN105026108A/en active Pending
- 2014-03-07 EP EP14759583.9A patent/EP2965866B1/en active Active
- 2014-03-07 MX MX2015011248A patent/MX2015011248A/en unknown
- 2014-03-07 WO PCT/JP2014/056028 patent/WO2014136954A1/en active Application Filing
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WO2016067345A1 (en) * | 2014-10-27 | 2016-05-06 | 大明化学工業株式会社 | Polishing brush |
JPWO2016067345A1 (en) * | 2014-10-27 | 2017-08-10 | 大明化学工業株式会社 | Polishing brush |
US10399207B2 (en) | 2014-10-27 | 2019-09-03 | Taimei Chemicals Co., Ltd. | Polishing brush |
JP2017055785A (en) * | 2015-09-14 | 2017-03-23 | 正雄 西木 | Grinding and sweeping brush |
Also Published As
Publication number | Publication date |
---|---|
BR112015021636A2 (en) | 2020-01-28 |
EP2965866B1 (en) | 2020-04-22 |
US20160016293A1 (en) | 2016-01-21 |
MX2015011248A (en) | 2016-03-04 |
EP2965866A1 (en) | 2016-01-13 |
JP6325195B2 (en) | 2018-05-16 |
JP2014172126A (en) | 2014-09-22 |
BR112015021636B1 (en) | 2021-11-23 |
EP2965866A4 (en) | 2016-11-02 |
KR20150126668A (en) | 2015-11-12 |
CN105026108A (en) | 2015-11-04 |
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