WO2007060984A1 - Meule superabrasive a liant en resine et son procede de fabrication - Google Patents

Meule superabrasive a liant en resine et son procede de fabrication Download PDF

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Publication number
WO2007060984A1
WO2007060984A1 PCT/JP2006/323306 JP2006323306W WO2007060984A1 WO 2007060984 A1 WO2007060984 A1 WO 2007060984A1 JP 2006323306 W JP2006323306 W JP 2006323306W WO 2007060984 A1 WO2007060984 A1 WO 2007060984A1
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WO
WIPO (PCT)
Prior art keywords
resin
bonded
metal
base metal
super
Prior art date
Application number
PCT/JP2006/323306
Other languages
English (en)
Japanese (ja)
Inventor
Nobuhide Nakamura
Shigekazu Yamazaki
Akinori Yoshimoto
Toshio Fukunishi
Original Assignee
A.L.M.T. Corp.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by A.L.M.T. Corp. filed Critical A.L.M.T. Corp.
Priority to JP2007546463A priority Critical patent/JPWO2007060984A1/ja
Publication of WO2007060984A1 publication Critical patent/WO2007060984A1/fr

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Classifications

    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/02—Wheels in one piece
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas

Definitions

  • the present invention relates to a resin-bonded superabrasive wheel having a strong bonding force between a base metal and an abrasive grain layer and
  • a method of bonding a base and an abrasive layer a method of compression molding inside a mold while making the raw material powder adhere to a copper base metal is manufactured. Conventional power is also adopted as one of the methods.
  • this method is a manufacturing method in which the bonding strength between resin and copper is relatively high and the stability of adhesive strength is also high.
  • the bonding strength between polyimide resin and copper is remarkably high, and has been applied mainly to the manufacture of semiconductor substrates.
  • the bonding mechanism between polyimide resin and copper is based on the anchor effect and intermolecular force, but in particular, recently, as a reason for polyimide resin to be strongly bonded to copper, It is clear that it is due to the chemical reaction between metal and polyimide resin. Also, in general, it is difficult to maintain a perfect cleaning surface on a metal surface, and hydroxyl groups and the like are formed on the metal surface unless treated in a special environment such as vacuum. Copper is similar to iron-based materials in that hydroxyl groups are present on the surface, although the rate of oxidation is slower.
  • a polyimide resin used as a binder for a resin-bonded super-granular wheel is partially commercially available in which the imidization reaction is completely completed, but in many cases the imidization reaction proceeds completely. It is a state and contains a precursor. A carboxyl group is present in the precursor, and it is considered that bonding strength is generated by bonding with a hydroxyl group on the metal surface. Therefore, it is possible to achieve very strong bonding by heating and compression molding the raw material powders of the granule layer with the polyimide resin as a binder using a copper base metal in close contact with each other in a mold. Conceivable.
  • 10-6 thermal expansion coefficient of the high tool abrasive layer as compared to Zetakappa is not lower than 10 X 10- 6 ⁇ below and iron and steel. Therefore, tensile stress is generated as a residual stress in the adhesive layer when it is cooled after the heat forming, but the residual stress is higher particularly when copper is used as the base metal than when it is iron or steel. An increase in residual stress is one of the factors causing a decrease in adhesive strength.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 5-293763
  • a soft metal such as copper is thickly sprayed on the metal base metal to form a porous stress relaxation layer, and a metal bond is formed.
  • Methods for manufacturing wheels have also been proposed.
  • thermal spraying it is necessary to melt only the surface of the raw material particles to be jetted and keep the inside unmelted. It is the powder flame spray process that is capable of this.
  • a method of firmly bonding by interposing a copper layer at the interface between a metallic base metal having a relatively high yield point of an iron-based material etc. and an abrasive grain layer It is conceivable to form a copper layer by plating. However, in the method using plating, it is possible to obtain a uniform copper layer on a flat surface without unevenness. If the artifice surface used for force processing has a shape with projections and depressions, the plating thickness It is likely that non-uniformities will occur, making it difficult to control the film thickness.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 5-293763
  • Patent Document 2 Japanese Patent Application Laid-Open No. Hei 2-256466
  • the strength of the joint becomes dependent on the breaking strength of copper, leading to a reduction in the joint strength. Therefore, it is necessary to control the thickness so as not to create a thicker area than necessary.
  • the thickness of the copper layer to be formed is uneven, if the conditions for forming the copper layer are set based on the maximum thickness, the copper layer is formed, which is not only a very thin portion. There is a risk that an insulting area will occur.
  • the problem to be solved by the present invention is to make the thickness of the copper layer, which is the key to the bonding strength between the base metal and the abrasive grain layer, uniform and to increase the bonding strength between the base metal and the abrasive grain layer. is there.
  • a first feature of the resin-bonded ultra-granulated wheel of the present invention is a resin-bonded ultra-fine particle, in which a metal coating is formed on the surface of a base metal by thermal spraying and a super-granular layer is bonded to the surface of the metal film.
  • a grit wheel wherein the metal coating is copper.
  • the surface roughness of the copper layer formed in this manner does not depend on the surface roughness of the base metal, and the surface roughness is 1 / z mRa or more. Also by setting the conditions appropriately, it is possible to form a film with uniform surface roughness and uniform thickness.
  • the present invention differs from the method proposed in Patent Document 1 in that the copper layer is formed by thermal spraying. Further, the present invention is an invention relating to a resin bonded wheel, and the function of the copper layer and the bonding mechanism are completely different from those related to the metal bond of Patent Document 2.
  • the second feature is that arc spraying is used, and the rotation speed of the base metal is 20 Zmin or more and 6 OOZ min or less, the feed speed of the nozzle is 300 mm Zmin or more and 1 OOO mm Zmin or less, and the spraying distance is 80 mm or more 150 mm or less, wire feed speed is 0.8 mZ min or more and 2. 4 mm or less, wire diameter is 1. O mm or more and 1.6 mm or less, and voltage between wires is The current is set to 40A or more and 80A or less by setting 30V or more and 50V or less.
  • the structure of the copper layer is preferably denser than porous. Therefore, as the method of thermal spraying, arc thermal spraying should be used rather than powder flame spraying.
  • the arc spraying method is a method also used for coating on metal surfaces, and since it melts to the inside of the raw material particles to be jetted, the structure of the film becomes dense, and a uniform copper layer is obtained without increasing the film thickness. You can get
  • the number of revolutions of the base metal is more preferably 20 Zmin or more and 550 Zmin or less, and more preferably 50 Zmin or more and 550 Zmin or less.
  • the feed rate of nos and nore is more preferably 350 mmZ min or more and 100 mm or less and more preferably 350 mm Zmin or more and 950 mm Zmin or less.
  • the spraying distance is more preferably 90 mm or more and 150 mm or less, still more preferably 90 mm or more and 140 mm or less.
  • the wire feeding speed is more preferably 0.9 mZmin or more and 2.4 mZmin or less, and still more preferably 0.9 mZ min or more and 2.2 mZ min or less.
  • the wire diameter is more preferably 1.1 mm or more and 1.6 mm or less, still more preferably 1.1 or more and 1.5 or less.
  • the voltage between the wires is more preferably 35V or more and 50V or less.
  • the current is more preferably 40A or more and 70A or less.
  • the third feature is that the thickness of the metal film is 5 ⁇ m or more and 1 mm or less. This is a condition for obtaining strength as a joint. If the thickness of the copper layer exceeds 1 mm, the strength of the copper material will be low, which may cause plastic deformation of the joint, which may reduce the accuracy of the outer circumference of the wheel. There is a risk that the grain layer may peel off. On the other hand, if the distance is 5 m or less, there is a risk that unsprayed portions may occur due to nonuniform film thickness that can not be suppressed under the spraying conditions.
  • the force is 500 / z m, more preferably 10 ⁇ m to 100 ⁇ m.
  • a fourth feature is that the binder of the superabrasive layer is a polyimide resin. If a polyimide resin containing a precursor is used, it is preferred that the copper layer be in the oxidized state, rather than having to be a non-acidic surface, but formed by thermal spraying. If the precursor is not contained, it may be treated in a reducing atmosphere.
  • the material of the base metal is iron-based material, titanium alloy, duralmin. Iron-based materials, titanium alloys and duralumin can form abrasive grain layers with high yield points at high pressure. In view of the yield point and Young's modulus of the material, preferably, iron-based material, titanium alloy It is better to use. Further, it is more preferable to use an iron-based material from the viewpoint of bonding between the material to be sprayed and the base metal. However, when thermally spraying on a titanium alloy, a nickel layer should be provided on the surface of the base metal in advance, and copper should be sprayed on the nickel surface.
  • the resin-bonded ultra-granulated wheel according to the present invention is provided with a base metal, a metal coating formed on the surface of the base metal by thermal spraying, a surface of the metal coating, and a resin bond and a super-granule.
  • the metal film includes copper and copper oxide.
  • the metal coating is formed by the thermal spraying treatment, so that the metal coating having a smooth surface can be formed even if there are irregularities on the surface of the base metal.
  • the resin bond contains a polyimide resin.
  • the base metal contains cemented carbide.
  • the polyimide resin constituting the resin bond has oxygen, which can form a coordinate bond, for example, an ether bond.
  • the X-ray diffraction intensity of the (111) plane of copper oxide, Cu 0 (111), and the X-ray of the (111) plane of copper is preferably, the X-ray diffraction intensity of the (111) plane of copper oxide, Cu 0 (111), and the X-ray of the (111) plane of copper.
  • Z ⁇ Cu (l l l) + Cu 2 O (l l l) ⁇ is not less than 0.15 and not more than 0.25.
  • a method of manufacturing a resin-bonded ultra-granulated wheel comprising the steps of: forming a metal film having a surface by thermal spraying on a surface of a base metal; and resin bonding the surface of the metal film. And a step of forming a superabrasive grain layer including
  • the step of forming the metal film includes forming the metal film by thermal spraying in an inert gas.
  • the method for producing a resin-bonded superabrasive wheel preferably further comprises the step of heat treating the metal coating after forming the metal coating and before forming the superabrasive layer.
  • the base metal includes a cemented carbide.
  • the thickness of the base metal is lmm or less.
  • a method of manufacturing a resin-bonded ultra-granulated wheel comprising: covering the upper and lower surfaces of a base metal having a disk-like upper surface, lower surface and outer peripheral surface with a jig; A metal coating containing copper and copper oxide is exposed by thermal spraying on the exposed outer peripheral surface. Forming a film; and forming a superabrasive layer including resin bond and superabrasive particles so as to be in contact with the metal film.
  • FIG. 1 is a perspective view including a partial cross section of a resin-bonded ultra-granulated wheel according to Embodiment 1 of the present invention.
  • FIG. 2 is a view showing a cross section of a joint portion of a resin-bonded super-granular wheel according to Embodiment 1 of the present invention.
  • FIG. 3 is a perspective view for illustrating a first step of the method for producing a resin-bonded ultra-granulated wheel according to Embodiment 1 of the present invention.
  • FIG. 4 is a perspective view showing a second step of the method for producing a resin-bonded super-granular wheel according to Embodiment 1 of the present invention.
  • FIG. 5 is a perspective view showing a third step of the method of manufacturing a resin-bonded ultra-granulated wheel according to Embodiment 1 of the present invention.
  • FIG. 6 is a perspective view including a partial cross section shown to explain a fourth step of the method of manufacturing a resin-bonded super-granular wheel according to Embodiment 1 of the present invention.
  • FIG. 7 is a perspective view showing a fifth step of the method of manufacturing a resin-bonded ultra-granulated wheel according to Embodiment 1 of the present invention.
  • FIG. 8 is a perspective view showing a first step of a method of manufacturing a resin-bonded super-granular wheel according to Embodiment 2 of the present invention.
  • FIG. 9 is a perspective view showing a second step of the method of manufacturing a resin-bonded super-granular wheel according to Embodiment 2 of the present invention.
  • FIG. 10 is a perspective view showing a third step of the method of manufacturing a resin-bonded super-granular wheel according to Embodiment 2 of the present invention.
  • FIG. 11 is a perspective view showing a fourth step of the method of manufacturing a resin-bonded super-granular wheel according to Embodiment 2 of the present invention.
  • FIG. 12 is a perspective view showing a fifth step of the method of manufacturing a resin-bonded super-granular wheel according to Embodiment 2 of the present invention.
  • FIG. 14 is a perspective view showing a first step of a method of manufacturing a resin-bonded super-granular wheel according to a comparative example.
  • FIG. 15 is a perspective view showing a second step of the method of manufacturing the resin-bonded super-granular wheel according to the comparative example.
  • FIG. 16 is a perspective view showing a third step of the method of manufacturing the resin-bonded super-granular wheel according to the comparative example.
  • FIG. 17 is a graph showing X-ray diffraction patterns of the product of the present invention and the comparative product.
  • FIG. 18 is a graph showing the concentration of copper oxide in the metal film according to the present invention.
  • FIG. 19 is a cross-sectional view showing the structure of a superabrasive grain layer.
  • FIG. 1 is a perspective view including a partial cross section of a resin-bonded ultra-granulated wheel according to Embodiment 1 of the present invention.
  • the disc-shaped resin-bonded super-granular wheel 100 is a disc-shaped base metal 3 having a through hole 38 formed in the center and a metal formed on the outer peripheral surface 33 of the base metal 3.
  • a coating 2 and a superabrasive layer 1 formed on the surface of the metal coating 2 are provided.
  • the base metal can be made of, for example, an alloy containing iron.
  • base metal 3 is made of tungsten carbide, cemented carbide with a main component of Boid, and so on! When cemented carbide is used, the resin-bonded super-granular wheel 100 after use can be recycled.
  • the metal film 2 is provided on the outer peripheral surface 33 of the base metal 3 by thermal spraying.
  • the metal film 2 contains copper as a main component, and a portion of the copper further contains oxidized copper.
  • the metal film 2 may be pure copper without containing copper oxide.
  • metal coating 2 is a base metal on the inner circumference 3 Since it is a member for bonding with the superabrasive layer 1 on the outer peripheral side, the adhesion between the superabrasive layer 1 and the base metal 3 is good, and if it is a material, the metal coating 2 is It can be included in the constituent copper.
  • Superabrasive layer 1 has a configuration in which superabrasive grains are held by resin bonding. Diamond or cubic boron nitride (cBN) can be used as the superabrasive.
  • the super-granular layer 1 is provided on the outer peripheral surface 21 of the metal film 2.
  • the thickness of the base metal 3 (the distance from the upper surface 31 to the lower surface 32) tl is not particularly limited, but may be 1 mm or less! /.
  • FIGS. 3 to 7 are diagrams for explaining the method of manufacturing the super-granulated wheel according to the first embodiment of the present invention.
  • the base metal 3 is disk-shaped, and has a through hole 38 at its center.
  • jigs 51 and 52 are attached to the upper and lower surfaces of base metal 3.
  • the jigs 51 and 52 cover the upper and lower surfaces.
  • the area of the jigs 51 and 52 is equal to the area of the upper and lower surfaces.
  • the outer peripheral surface which is the side surface is exposed.
  • shaft 53 is inserted into through hole 38, and shaft 53 is rotated in the direction indicated by arrow R.
  • the base metal 3 engaged with the shaft 53 and the jigs 51 and 52 also rotate in the direction indicated by the arrow R.
  • copper is injected from the nozzle 54 toward the outer peripheral surface 33.
  • a metal coating is formed on the outer peripheral surface 33 by the thermal spraying process.
  • the base metal 3 is fixed with the molds 61, 62, 63, 64.
  • super granules and a resin bond are disposed to be in contact with the outer peripheral surface 21 of the metal film 2, and a pressure is applied to the super-abrasive layer 1 by using a mold 65.
  • resin-bonded super-granular wheel 100 having super-granular layer 1 provided on the outer periphery is completed by removing molds 61-65.
  • base metal 3 according to the second embodiment has a flange portion 35.
  • the flange portion 35 is a portion having an outer diameter larger than other portions, and a metal film is formed on the outer peripheral surface 33 of the flange portion 35.
  • base metal 3 is fitted to jigs 51, 52 and shaft 53.
  • the outer peripheral surface 33 of the flange portion 35 of the base metal 3 is exposed to the outside. In this state, metal is sprayed from the nozzle 54 on the outer peripheral surface 33 while rotating the base metal 3.
  • metal coating 2 is formed on the surface of outer peripheral surface 33 as a result of the thermal spraying process.
  • the base metal 3 on which the metal film 2 is formed is fixed in the molds 61, 62, 64, 65.
  • resin-bonded super-granular wheel 100 according to Embodiments 1 and 2 has base 3 having outer peripheral surface 33 and outer peripheral surface 21 formed on outer peripheral surface 33 of base 3 by thermal spraying.
  • a metal coating 2 and a superabrasive layer 1 provided on an outer peripheral surface 21 of the metal coating 2 and including a resin bond and a superabrasive are provided.
  • the metal film 2 contains copper and copper oxide.
  • the resin bond may contain polyimide resin.
  • the copper oxide may be localized near the interface between the metal coating 2 and the superabrasive grain layer 1.
  • the base metal 3 may contain cemented carbide.
  • the molecules that make up the resin bond may contain oxygen as a constituent.
  • the method of manufacturing resin-bonded ultra-granulated wheel 100 comprises the steps of forming metal coating 2 having outer peripheral surface 21 by thermal spraying on outer peripheral surface 33 of base metal 3; And forming a superabrasive layer 1 including resin bonds and superabrasive grains on the outer peripheral surface 21.
  • the step of forming the metal coating 2 includes forming the metal coating 2 by thermal spraying in an inert gas such as nitrogen or argon, and after the metal coating 2 is formed, the superabrasive grain layer 1 is formed.
  • the method may further include the step of oxidizing the surface of the metal film 2 by heat treatment before the metal film 2.
  • the thickness of the base metal 3 is preferably lmm or less!
  • the resin-bonded super-granular wheel is manufactured in the disk shape by covering the upper surface 31 and the lower surface 32 of the base metal 3 having the upper surface 31, the lower surface 32 and the outer peripheral surface 33 with jigs 51 and 52. And forming a metal film 2 containing copper and copper oxide on the exposed outer peripheral surface 33 by thermal spraying, and a resin bond and a superabrasive particle so as to be in contact with the metal film 2. And the step of forming the abrasive grain layer 1.
  • the metal coating 2 is formed only where necessary. It is possible. Therefore, the outer peripheral surface 33 can be cleaned and reused after the base metal 3 is used, and the life of the base metal can be improved.
  • the method of manufacturing the super-granular wheel according to the comparative example will be described with reference to FIGS.
  • the mask 112 is formed on the upper surface 31 and the lower surface 32.
  • the base metal 3 on which the mask 112 is formed is immersed in the plating solution 113, and the base metal 3 is rotated using the shaft 114. Thereby, a metal film is formed on the base metal 3.
  • a resin-bonded super-granular wheel was produced in the same manner as in Example 1.
  • a resin-bonded super-granular wheel was produced in the same manner as in Example 1.
  • a resin-bonded super-granular wheel was produced in the same manner as in Example 1 using a copper base metal.
  • the abrasive layer was bonded directly to the base metal without forming a copper layer by arc spraying.
  • a base of carbon steel for machine structural use was plated with copper at a thickness of 10 m, and a resin-bonded super-granular wheel was manufactured in the same manner as in Example 1.
  • Example 1 had higher strength than Comparative Examples 1 and 3. Moreover, although Example 2 and Example 3 are a result in case the surface roughness of a copper layer differs a little, the result which has sufficient intensity
  • Example 1 The distribution ratio of copper to copper oxide in the metal coatings produced in Example 1 and Comparative Example 2 was examined using X-ray diffraction. The results are shown in FIG.
  • FIG. 18 is a graph showing the distribution of copper oxide in the metal film 2. Referring to FIG. 18, it can be seen that the concentration of copper oxide increases at the interface between the metal coating 2 and the superabrasive grain layer 1, and copper oxide is unevenly distributed at the interface.
  • the resin bond 1002 can contain metal powder, carbide or nitride hard particles, solid lubricant particles, and the like as filler in addition to granules such as diamond and CBN.
  • metal powder examples include Cu, Ag, Sn, Ni, Au and the like. Particularly preferred from the viewpoint of cost and effect are Cu, Ag or their alloys. Or you may mix and add two or more kinds of metal powder.
  • hard particles of carbide or nitride examples include SiC, Si N, Cr 2 O, Al 2 O, SiO 2 and the like.
  • 3 4 2 3 2 3 2 force is also selected
  • One or more kinds of hard particle force It may be contained in the resin bond as a further filler. By containing such hard particles, the abrasion resistance of the resin bond is enhanced, and the effect of prolonging the life of the superabrasive wheel can be obtained.
  • solid lubricant particles may be contained in the resin bond. Examples of solid lubricants of this type include fluorine-containing resins such as polytetrafluoroethylene, hBN, calcium fluoride, graphite, MoS and the like. Such solid lubricant particles
  • Samples 1 to 8 were produced by arc spraying according to the production method of Example 1.
  • samples 1 to 8 (111) of Cu 2 O in the sample under the following measurement device and measurement conditions
  • the ratio of the plane to the (111) plane of Cu was investigated by X-ray diffraction.
  • Rint-1500 (made by RIGAKU)
  • the ratio of CuO (lll) Z ⁇ Cu (lll) + CuO (lll) ⁇ is 0 ⁇ 15 or more and 0.25 or more.
  • the resin-bonded ultra-granulated wheel of the present invention can achieve stable and extremely high bonding strength as compared to the conventional method of forming a copper layer by plating, so it has a long life and a high efficiency. It exerts an excellent effect that a high performance resin bonded superabrasive wheel can be obtained.
  • resin-bonded superabrasive wheels using polyimide resin exhibit outstanding high performance and long life, so they can be expected to contribute significantly to the industry where grinding is required. .

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  • Mechanical Engineering (AREA)
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Abstract

L’invention concerne une meule superabrasive à liant en résine, constituée d’un corps et d’une couche superabrasive fortement adhérents. La meule superabrasive à liant en résine comprend un corps (3) et une couche superabrasive (1) adhérant à celui-ci. L’adhésion de la couche superabrasive (1) au corps (3) est réalisée par une couche de cuivre appliquée entre eux par pulvérisation thermique.
PCT/JP2006/323306 2005-11-28 2006-11-22 Meule superabrasive a liant en resine et son procede de fabrication WO2007060984A1 (fr)

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JP2007546463A JPWO2007060984A1 (ja) 2005-11-28 2006-11-22 レジンボンド超砥粒ホイールおよびその製造方法

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JP2005341872 2005-11-28
JP2005-341872 2005-11-28

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014059559A (ja) * 2007-07-31 2014-04-03 Hitachi Metals Ltd Ｃｕ系配線膜
CN115053065A (zh) * 2020-05-28 2022-09-13 株式会社日立产机系统 压缩机
WO2023058681A1 (fr) 2021-10-05 2023-04-13 旭化成株式会社 Procédé de production de diarylcarbonate de grande pureté

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11123841B2 (en) 2016-05-27 2021-09-21 A.L.M.T. Corp. Super-abrasive grinding wheel
TWI661903B (zh) * 2018-06-27 2019-06-11 National Taipei University Of Technology 具有研磨顆粒之砂輪的製造方法與系統以及使用該方法所製造的砂輪
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