WO2007139097A1 - Cylindre de polissage et son procédé de fabrication - Google Patents

Cylindre de polissage et son procédé de fabrication Download PDF

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Publication number
WO2007139097A1
WO2007139097A1 PCT/JP2007/060880 JP2007060880W WO2007139097A1 WO 2007139097 A1 WO2007139097 A1 WO 2007139097A1 JP 2007060880 W JP2007060880 W JP 2007060880W WO 2007139097 A1 WO2007139097 A1 WO 2007139097A1
Authority
WO
WIPO (PCT)
Prior art keywords
nonwoven fabric
abrasive
polishing roll
resin
polishing
Prior art date
Application number
PCT/JP2007/060880
Other languages
English (en)
Japanese (ja)
Inventor
Junichiro Yamamoto
Ryo Kawamoto
Yu Shimizu
Yutaka Seto
Original Assignee
Kure Grinding Wheel Co., Ltd.
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 Kure Grinding Wheel Co., Ltd. filed Critical Kure Grinding Wheel Co., Ltd.
Priority to CN2007800199973A priority Critical patent/CN101454123B/zh
Publication of WO2007139097A1 publication Critical patent/WO2007139097A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B24D11/001—Manufacture of flexible abrasive materials
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • 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
    • B24D13/12—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of felted or spongy material, e.g. felt, steel wool, foamed latex
    • 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
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/26—Cleaning or polishing of the conductive pattern

Definitions

  • the present invention relates to a polishing roll using a nonwoven fabric abrasive and a method for producing the same, which is optimal for polishing an object to be polished having small through holes or non-through holes, such as a printed wiring board.
  • the present invention relates to a roll and a manufacturing method thereof.
  • a polishing roll such as that disclosed in Patent Document 1 has been used for polishing printed wiring boards, plate-like metal materials such as copper and aluminum.
  • These polishing rolls are made by arranging a large number of rectangular non-woven fabric abrasives, which are made of nylon non-woven fabric with abrasive particles fixed on the outer peripheral surface of a cylindrical core material, and integrating them using an adhesive.
  • a plurality of non-woven abrasives cut into a donut shape are pierced through a cylindrical core and integrated in a compressed state in the axial direction of the core, or a long non-woven abrasive is used as the core It is made by winding it on the outer peripheral surface and integrating it with a binder resin.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2003-175471
  • the present invention has been invented in view of the above problems, and is a printer provided with a through hole. It is an object of the present invention to reduce consumable debris generated when polishing an object to be polished that has small through holes or non-through holes such as a wiring board, and to reduce hole clogging due to consumable debris.
  • Abrasive grains are dispersed and mixed into a non-woven fabric substrate that is obtained by three-dimensionally entanglement of synthetic fibers and bonding the entanglement points of the synthetic fibers with a binder resin, and are fixed using a synthetic resin adhesive.
  • the non-woven fabric abrasive is rectangular, and a plurality of non-woven fabric abrasives are juxtaposed, compressed and fixed in the juxtaposed direction, wound around a cylindrical core material, and then the non-woven fabric abrasives compressed and fixed at that time are made of synthetic resin. Formed by impregnating and further fixing and integrating the nonwoven fabric abrasive
  • Compression in the juxtaposition direction is carried out at a rate of 95-20%, and the non-woven abrasive material impregnated with synthetic resin is allowed to stand for 3-24 hours at room temperature to 60 ° C, and then fixed and integrated (2 ) Manufacturing method of the polishing roll.
  • the nonwoven fabric abrasive material is doughnut-shaped, and the nonwoven fabric abrasive material is pierced into the core material and compressed and fixed in the axial direction of the core material. At that time, the nonwoven fabric abrasive material is impregnated with synthetic resin, and the nonwoven fabric abrasive material is fixed.
  • the core is compressed in the axial direction at a rate of 95 to 20%, and the nonwoven fabric impregnated with synthetic resin is fixed for 3 to 24 hours at room temperature to 60 ° C.
  • the nonwoven fabric abrasive is long, and the nonwoven fabric abrasive is applied to the core material to form a cylindrical core material.
  • the polishing roll according to (1) which is formed by compressing and fixing, impregnating a non-woven fabric abrasive with a synthetic resin, and fixing and integrating the non-woven fabric abrasive.
  • the compression is performed at a rate of 95 to 20%, and the nonwoven fabric abrasive material impregnated with the synthetic resin is fixed and integrated by leaving it at room temperature to 60 ° C for 3 to 24 hours. How to make a roll.
  • polishing roll according to any one of (1) to (7), wherein the synthetic resin is urethane resin or urethane foam resin.
  • the synthetic resin adhesive is an abrasive roll according to any one of (1) to (8), wherein the epoxy resin, phenol resin, or a mixture of epoxy resin and phenol resin.
  • the polishing roll according to the present invention generates less consumable debris even when an object to be polished having a small through hole or non-through hole is polished, such as a printed wiring board. As a result, the yield in the polishing process of the workpiece having holes is improved.
  • FIG. 1 is a perspective view showing an embodiment of a nonwoven fabric abrasive used in the present invention.
  • FIG. 2 is an enlarged illustrative view showing a part of the nonwoven fabric abrasive shown in FIG.
  • FIG. 3 is a partially enlarged perspective view illustrating an embodiment of a polishing roll according to the present invention.
  • FIG. 4 is an illustrative view showing a production procedure of an abrasive roll according to the present invention, in which (a) shows a state in which rectangular nonwoven fabric abrasives are juxtaposed, and (b) shows a juxtaposed nonwoven fabric abrasive material.
  • (C) is a diagram showing a state in which a nonwoven fabric abrasive that has been compressed and fixed is wound around a core material.
  • FIG. 5 is an illustrative view showing another embodiment of a polishing roll according to the present invention.
  • FIG. 6 is an illustrative view showing still another embodiment of a polishing roll according to the present invention. Explanation of symbols
  • FIG. 1 is a perspective view showing an embodiment of the nonwoven fabric abrasive used in the present invention
  • FIG. 2 is an enlarged view of a part of the nonwoven fabric abrasive shown in FIG.
  • the nonwoven fabric abrasive 10 includes a nonwoven fabric substrate 12.
  • the nonwoven fabric substrate 12 is a nonwoven fabric in which synthetic fibers 14 are entangled three-dimensionally and the entanglement points between the synthetic fibers 14 are bonded by a binder resin 16.
  • the synthetic fiber 14 constituting the nonwoven fabric substrate 12 is not particularly limited as long as it is a synthetic fiber having a certain strength, but specifically, polyamide fiber, aramid fiber, polyester fiber, and vinylon fiber are used alone. These can be used in combination.
  • polyamide fibers and vinylon fibers in consideration of the adhesiveness due to the binder resin 16.
  • the synthetic fiber 14 one having a fiber diameter in the range of 5 ⁇ m to 36 ⁇ m can be used.
  • the desired fiber diameter is 5 111 to 30 111, and the more desirable fiber diameter is 5 ⁇ m to 27 ⁇ m.
  • a single fiber diameter may be used, or a combination of fibers having different fiber diameters may be used.
  • the nonwoven fabric substrate 12 is produced using a cross web, a random web, a spunbond method, and a papermaking method.
  • the cross-web and the random web that can give a thickness to the web from the point that clogging due to polishing scraps of the object to be polished is small, the heat dissipation is high, and the density control at the time of creating the polishing roll can be easily performed.
  • it is made.
  • Web In order to control the density of the web, apply a one-punch punch force to the web produced by these methods.
  • Noinda resin 16 SBR resin, NBR resin, acrylic ester, melamine resin, phenol resin, etc. can be used alone or in combination. Further, among these, it is preferable to use SBR resin or acrylate ester in that a nonwoven fabric substrate 12 having high flexibility can be produced.
  • a method for applying the binder resin 16 a known spraying method, dipping method, or the like can be used alone or in combination.
  • the nonwoven fabric base 12 is fixed with a synthetic resin adhesive 20 in a state where abrasive grains 18 are dispersed and mixed therein.
  • the abrasive grains 18 may be those generally used as abrasive grains, such as silicon carbide, acid aluminum, silica, acid chromium, cerium oxide, synthetic diamond, CBN (cubic nitriding). Boron), garnet, etc. can be used.
  • the grain size of the abrasive grains 18 is within a range that can be applied to the nonwoven fabric substrate 12, it is sufficient to select abrasive grains having an appropriate grain size according to the purpose of polishing!
  • synthetic resin adhesive 20 synthetic resin adhesives such as phenol resin, epoxy resin, urethane resin, etc. can be used, but in terms of the fact that the abrasive grains 18 can sufficiently exhibit the polishing performance, It is preferable to use a resin alone, an epoxy resin alone, or a mixture of phenol resin and epoxy resin.
  • the synthetic resin adhesive 20 is applied to the nonwoven fabric substrate 12 in a state where the abrasive grains 18 are dispersed and mixed.
  • the dipping method or the dipping method and the spray method are used in combination. Is called.
  • the nonwoven fabric abrasive 10 that is effective in the present invention has the above-described configuration, and even when a polished object having a small through hole such as a printed wiring board is polished, consumable debris generated from the nonwoven fabric abrasive is generated. In addition, since the size of the consumable waste is small, there is little clogging in the through hole of the workpiece.
  • FIG. 3 is a partially enlarged perspective view showing an embodiment of a polishing roll according to the present invention.
  • the polishing roll 50 has a plurality of rectangular nonwoven fabric abrasives 10 arranged side by side, compressed and fixed in the juxtaposed direction, and the nonwoven fabric abrasive material 10a compressed and fixed is wound around a cylindrical core material 52. It is a polishing roll formed by impregnating a synthetic resin into a non-woven fabric abrasive material 10a that has been compression-fixed, and further fixing and unifying the non-woven fabric abrasive material 10 together.
  • the nonwoven fabric abrasive 10 is used by changing the number of sheets as appropriate according to the intended use.
  • the core material 52 a material formed in a cylindrical shape using a hard resin such as phenol resin is used.
  • phenol resin, epoxy resin, urethane resin, foamed urethane resin, etc. can be used, but they are more elastic than phenol resin and epoxy resin. Since the followability of the polishing roll 50 to the object to be polished is good, it is preferable to use urethane resin, more preferably urethane foam resin. It should be noted that a resin that exhibits the same characteristics as those of the urethane foam resin described above can be used in the same manner even with a resin other than the foamed urethane resin.
  • polishing roll 50 that is effective in the present invention, in addition to the effect exhibited by the nonwoven fabric abrasive 10, a new polishing layer comes out at the time of polishing, the polishing performance is sustained, and there is little scratch and uniform and constant roughness. It is possible to polish, and the clogging due to scraping of the work piece is less clogged. It has the effect of releasing the generated heat of polishing, so the work to be polished is provided with small through holes such as printed circuit boards. An object can be efficiently polished.
  • the manufacturing method of the polishing roll according to the present invention includes cutting the nonwoven fabric abrasive material 10 described in paragraphs 0009 to 0013 into a rectangular shape as shown in FIG. 4 As shown in (b), 95 to 20% compression-fixed in the juxtaposition direction (assuming that the dimension before compression is 100%), and as shown in Fig. 4 (c), the non-woven abrasive 10a is compressed into a cylinder. It is wound around a core material 52 and impregnated with a synthetic resin. Specifically, it is impregnated until the synthetic resin such as urethane rosin used in the above-mentioned embodiment penetrates uniformly.
  • the impregnation operation may be performed either after compressing and fixing the nonwoven fabric abrasive material 10 cut into a rectangular shape or after pressing the nonwoven fabric abrasive material 10 compressed and fixed on the core material 52.
  • the impregnation method the nonwoven fabric abrasive 10 is compressed and fixed, or the nonwoven fabric abrasive 10 is rubbed on the core material 52 and immersed in the resin solution or dropped from the top of the impregnated material. The work to be done is mentioned.
  • the nonwoven fabric abrasive material 10 impregnated with synthetic resin can be released at room temperature to 60 ° C for 3 to 24 hours. It is formed by placing, fixing and integrating. If manufactured in such a procedure, the non-woven fabric abrasive 10 can be fixed and integrated with little density unevenness on the outer periphery of the core material 52, and the polishing unevenness of the object to be polished can be eliminated.
  • the synthetic resin that has penetrated into the non-woven fabric abrasive 10 (specifically, the urethane foam used in the above embodiment) uniformly penetrates into the non-woven fabric abrasive so that the object to be polished can follow.
  • the nonwoven fabric polishing material 10 of the present invention it is possible to improve the properties of the polishing roll using the nonwoven fabric polishing material 10 of the present invention.
  • the polishing roll according to the present invention is not limited to the above-described manufacturing method, and may be manufactured by other manufacturing methods.
  • a plurality of nonwoven fabric abrasives 10 cut into a dough shape are pierced through the core material 52 and compressed 95 to 20% in the axial direction of the core material 52 (size before compression) To 100%) to form a roll.
  • synthetic resin is impregnated. Specifically, it is impregnated until the synthetic resin such as urethane resin used in the above-mentioned embodiment penetrates uniformly.
  • the impregnation operation is performed by inserting a plurality of non-woven abrasive materials 10 cut into donuts into the core material 52, or compressing and fixing 95 to 20% in the axial direction (with the uncompressed dimensions as 100%) and rolled. After forming, it may be done either way.
  • a plurality of nonwoven fabric abrasives 10 cut into a donut shape are immersed in a resin solution in a state where they are pierced in 52 or 95 to 20% compressed and fixed in the axial direction of the core material 52. For example, the resin solution is dropped / spreaded from the top of the impregnated material.
  • the non-woven abrasive material compressed and fixed is uniformly impregnated with the resin, and the resin to be impregnated can be uniformly applied to the object to be impregnated other than the above-described work procedure or method. If impregnated, work procedures or work methods other than those mentioned above can be applied. Further, it is formed by leaving the nonwoven fabric abrasive at room temperature to 60 ° C. for 3 to 24 hours, and fixing and uniting. As another specific example, a long nonwoven fabric abrasive is rubbed onto the outer peripheral surface of the core material 52, and it is formed into a roll by 95 to 20% compression fixation (with the dimension before compression being 100%).
  • a synthetic resin which is one example of a specific embodiment, is impregnated with urethane resin until the resin uniformly penetrates.
  • the impregnation work can be performed after either a long non-woven fabric abrasive is applied on the outer peripheral surface of the core 52 or after it is formed into a roll by 95 to 20% compression fixation (size before compression is 100%). You may go on.
  • the impregnation operation is performed by winding a long non-woven cloth abrasive material on the outer peripheral surface of the core material 52 or compressing and fixing 95 to 20% (before compression) In this state, the resin is immersed in a resin solution in a state of being formed into a roll, or the resin solution is dropped from the top of the impregnated material. In this operation, it is sufficient that the non-woven abrasive material that has been compression-fixed is uniformly impregnated with the resin, and the object to be impregnated is uniformly impregnated with the resin other than the above-described work procedure or method. Then, work procedures or work methods other than those listed above can be applied.
  • the nonwoven fabric abrasive is formed by standing at room temperature to 60 ° C for 3 to 24 hours, and fixing and integrally bonding (see Fig. 6).
  • fineness 6. 6 dtex (thickness 27 mu m) nylon 6 fiber 50 weight 0/0, the proportion of 50 wt% nylon 6 fiber having a single fiber fineness 3. 3dte X (thickness 19 m) And a cross web having a basis weight of 115 gZ m 2 was prepared. SBR resin as a binder resin was sprayed and adhered from both sides by a spray method. At this time, the SBR resin was sprayed so as to have a dry solid content of 30 g / m 2 . Thereafter, the cloth web was subjected to a drying treatment to produce a nonwoven fabric substrate 12.
  • a non-woven fabric substrate 12 having a dry solid content of 275 gZm 2 is prepared by mixing a slurry of phenol resin, which is a synthetic resin adhesive 20, and # 700 silicon carbide, which is an abrasive barrel 18, with a solid ratio of 100 Z230.
  • the nonwoven fabric abrasive 10 was obtained by dipping so as to adhere.
  • 165 sheets of this nonwoven fabric abrasive material 10 cut into a 40 x 640 mm rectangle were compressed and fixed 24%, and the nonwoven fabric abrasive material 10a compressed and fixed was foamed urethane foam, which is a synthetic resin.
  • a polishing roll 50 was prepared.
  • This non-woven abrasive material 10 was cut into a 40 X 640 mm rectangular shape using 136 sheets 26 % Compressed and fixed core material 52 Adhesive is applied on the outer peripheral surface, and the non-woven fabric abrasive material 53 compressed and fixed is radially disposed thereon, and a 150 x 610 x 76.2 mm abrasive roll 50 was made.
  • Example 1 Using Example 1 and Comparative Example 1, the printed wiring board was polished under the following conditions, the particle size distribution measurement of consumable waste generated from each of them and the confirmation of hole clogging generated in the printed wiring board were performed. Confirmed.
  • Polishing machine Flat grinding machine Polishing wheel rotation speed: 18000rpm
  • the amount of collected consumable waste is reduced to about 1Z3 in the example compared to Comparative Example 1.
  • the peak of the residual weight of the collected consumable residue is about 212 m, whereas in Example 1, the peak is around 125 m. From this, it was confirmed that in Example 1, the size of the consumable residue was smaller than that of the conventional polishing roll. Further, as is clear from Table 2, it was confirmed that the hole clogging location was reduced by 50% or more in both the polished object 1 and the polished object 2 as compared with Comparative Example 1.
  • the polishing roll of the present invention reduces non-woven fabric abrasives and consumable debris generated by polishing roll force when polishing an object having a small hole such as a through hole of a printed wiring board, thereby reducing hole clogging. By doing so, it can be expected to improve the yield.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

La présente invention concerne un cylindre de polissage qui permet de réduire l'apparition de résidus produits lors du polissage d'un objet possédant un petit trou traversant, tel un tableau de connexions imprimé doté d'un trou traversant, et qui permet de réduire l'obstruction du trou par les résidus. Le cylindre de polissage (50) comprend un matériau de base formé en tissu non tissé (12) obtenu par croisement tridimensionnel de fibres synthétiques (14) possédant un diamètre de fibre compris entre 10 µm et 36 µm et par liaison des points d'intersection des fibres synthétiques (14) à l'aide d'une résine liante (16). Le tissu nontissé (12) se fixe à l'aide d'un adhésif à base de résine synthétique (20) dans lequel des grains abrasifs (18) ont été dispersés et mélangés. Le matériau de polissage non tissé (10) est découpé en forme de rectangle, par exemple, et est fixé par pression, puis il est disposé dans son intégralité sur la surface périphérique externe d'un matériau central (52) avec une résine synthétique.
PCT/JP2007/060880 2006-05-29 2007-05-29 Cylindre de polissage et son procédé de fabrication WO2007139097A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007800199973A CN101454123B (zh) 2006-05-29 2007-05-29 研磨辊及其制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006148601A JP2007313621A (ja) 2006-05-29 2006-05-29 研磨ロール及びその製造方法
JP2006-148601 2006-05-29

Publications (1)

Publication Number Publication Date
WO2007139097A1 true WO2007139097A1 (fr) 2007-12-06

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JP (1) JP2007313621A (fr)
KR (1) KR20090021187A (fr)
CN (1) CN101454123B (fr)
TW (1) TW200817137A (fr)
WO (1) WO2007139097A1 (fr)

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US9896341B2 (en) 2012-04-23 2018-02-20 Seerstone Llc Methods of forming carbon nanotubes having a bimodal size distribution
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US10106416B2 (en) 2012-04-16 2018-10-23 Seerstone Llc Methods for treating an offgas containing carbon oxides
US10322832B2 (en) 2013-03-15 2019-06-18 Seerstone, Llc Systems for producing solid carbon by reducing carbon oxides
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US10815124B2 (en) 2012-07-12 2020-10-27 Seerstone Llc Solid carbon products comprising carbon nanotubes and methods of forming same
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KR20090021187A (ko) 2009-02-27
CN101454123B (zh) 2011-04-20

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