WO2016160561A1 - Disque abrasif avec couche de revêtement latérale - Google Patents

Disque abrasif avec couche de revêtement latérale Download PDF

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Publication number
WO2016160561A1
WO2016160561A1 PCT/US2016/024191 US2016024191W WO2016160561A1 WO 2016160561 A1 WO2016160561 A1 WO 2016160561A1 US 2016024191 W US2016024191 W US 2016024191W WO 2016160561 A1 WO2016160561 A1 WO 2016160561A1
Authority
WO
WIPO (PCT)
Prior art keywords
nonwoven
nonwoven fabric
abrasive
disc
inner layer
Prior art date
Application number
PCT/US2016/024191
Other languages
English (en)
Other versions
WO2016160561A9 (fr
Inventor
Tsukio SATO
Naohiro Nagafuchi
Shinji Matsumoto
Original Assignee
3M Innovative Properties Company
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 3M Innovative Properties Company filed Critical 3M Innovative Properties Company
Priority to EP16773832.7A priority Critical patent/EP3277462A4/fr
Priority to US15/557,601 priority patent/US20180043507A1/en
Priority to JP2017551322A priority patent/JP2018510787A/ja
Priority to CN201680020919.4A priority patent/CN107530866B/zh
Publication of WO2016160561A1 publication Critical patent/WO2016160561A1/fr
Publication of WO2016160561A9 publication Critical patent/WO2016160561A9/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/02—Wheels in one piece
    • 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
    • B24D11/04—Zonally-graded surfaces
    • 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
    • B24D13/08—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising annular or circular sheets packed side by side
    • 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
    • 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
    • B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/0045—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by stacking sheets of abrasive material
    • 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
    • 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
    • B24D5/04—Wheels in one piece with reinforcing means
    • 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
    • B24D5/14—Zonally-graded wheels; Composite wheels comprising different abrasives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/14—Zonally-graded wheels; Composite wheels comprising different abrasives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/16—Bushings; Mountings

Definitions

  • the construction of the invented grind disc consists of at least an inner layer 50 which is made of grindable material and an outer layer 20 which covers at least the part of the surface of the inner layer 50 and which is made of non-grindable material.
  • FIGs. 1A-C present the out-looking views (oblique drawing) of the types of invented Grind-Discs.
  • FIG. 1 A (Type 1) shows a disc having the outer layer 20 on each side of the inner layer 50 and full-cover the surface of the inner layer 50.
  • FIG. IB (Type 2) shows a disc having the outer layer 20 on only one side of the inner layer 50 and full-cover the surface of the inner layer 50.
  • FIG. 1C (Type 3) shows a disc having the outer layer in only one side of the inner layer 50 and part-cover the surface of the inner layer 50.
  • FIGs. 2A-C present the cross-sectional views of each type of invented grind- discs.
  • FIG. 3 shows a circular nonwoven fabric 5 that is adapted for use with the nonwoven fabric grind disc according to an inner layer 50 of the present invention.
  • FIGs. 4A and 5B illustrate examples of circular nonwoven fabric (plate) that are adapted for use with the nonwoven fabric grind disc according to an outer layer 20 of the present invention.
  • the circular nonwoven fabric (plate) shown in FIG. 4A is used for type 1-disc and type 2-disc (shown in FIGs. 1 A, B).
  • the circular nonwoven fabric (plate) shown in FIG. 4B is used for type 3-disc (shown in FIG. 1C).
  • FIGs. 5A and 5B illustrate an example of a manufacturing method for the nonwoven fabric grind disc 100 according to an embodiment of the present invention.
  • FIGs. 6A-6D illustrate another example of a manufacturing method for the nonwoven fabric grind disc according to an embodiment of the present invention.
  • FIG. 7 illustrates the shape of the work ground by the grinder.
  • FIG. 8 illustrates the grinding direction of the grinder and show the out-looking view of the work ground by the grinder.
  • the grind disc relating to this invention is effective for solving the current problem.
  • the construction of the invented grind disc consists of the inner layer 20 which is made of grindable material (containing abrasive particles) and the outer layer 20 which covers at least the part of the surface of the inner layer 50 and which is made of non-grindable material (i.e. not-containing abrasive grain).
  • the inner layer (plate) 50 consists of at least one sheet of the circular nonwoven fabric 5 and usually multiple sheets of the circular nonwoven fabric.
  • the circular nonwoven fabric 5 includes, for example, a nonwoven fabric 5 base material and abrasive particles retained on the nonwoven fabric base material.
  • the nonwoven fabric base material may be a nonwoven fabric constituted by organic fibers formed from a resin such as polyamide (for example, nylon (registered trademark) 6, nylon (registered trademark) 6, 6, and the like), polyolefin (for example, polypropylene, polyethylene, and the like), polyester (for example, polyethylene terephthalate, and the like), polycarbonate, and the like.
  • the thickness (fiber diameter) of the organic fibers may be in a range from 19 to 250 ⁇ , for example.
  • the abrasive particles may be changed as appropriate in accordance with the object to be polished, and, for example, may be a ceramic abrasive particle such as SiC, AI2O3, Cr 2 0 5 , or the like.
  • the diameter of the abrasive particles may be changed as appropriate in accordance with the object to be ground, and, for example, may be from 0.1 to 1000 ⁇ .
  • the circular nonwoven fabric 5 can be produced by, for example, impregnating a nonwoven fabric base material with a grind compound containing the abrasive particles, and drying and/or hardening.
  • grind compound examples include the abrasive particles and a binder polymer such as epoxy resin, phenol resin, or the like, and a solvent such as xylene, carbitol, or the like, for dissolving the binder polymer, and, if necessary, a hardening agent may be included in the polishing compound. After impregnating this polishing compound in the nonwoven fabric base material, the solvent is removed and the binder polymer is hardened in, for example, a heating furnace, so that the polishing abrasive particles are retained on the nonwoven fabric base material.
  • a binder polymer such as epoxy resin, phenol resin, or the like
  • a solvent such as xylene, carbitol, or the like
  • the circular nonwoven fabric 5 can be obtained by, for example, carrying out a punching process on the nonwoven fabric base material in a sheet form to obtain individual members with the shape illustrated in FIG. 3. Also, the circular nonwoven fabric 5 can be obtained by causing the grind abrasive particles to be retained on the nonwoven fabric base material that has been processed to the shape illustrated in FIG. 3 or the like.
  • the external diameter of the circular nonwoven fabric 5 can be for example, from 50 to 500 mm, or from 100 to 200 mm.
  • the thickness of the circular nonwoven fabric 5 preferably, each of the plurality of circular nonwoven fabrics 5 have the same thickness, but they may have different thicknesses.
  • the thickness of the circular nonwoven fabric 5 before stacking may be, for example, from 2 to 30 mm, or it may be from 5 to 20 mm.
  • the outer layer (plate) 20 includes nonwoven fabric 2 that is hardened in the compressed state, and may be the same nonwoven fabric described above for the nonwoven fabric base material.
  • the outer layer (plate) 20 can be obtained by, for example, stacking a plurality of sheets of nonwoven fabric 2 in a sheet form, hardening them while they are compressed in the stacking direction, and next a punching process is performed on the hardened nonwoven fabric to obtain individual members with the shape illustrated in FIGs. 4A, B. Also, the outer layer (plate) 20 can be obtained by stacking and compressing in the stacking direction a plurality of nonwoven fabric 2 that has been processed into the shape as illustrated in FIGs. 4A, B or the like.
  • the outer layer (plate) 20 may be obtained by stacking a plurality of nonwoven fabric base material of the circular nonwoven fabric 2, compressing it in the stacking direction, and hardening it, or the outer layer (plate) 20 may be obtained by stacking a plurality of the circular nonwoven fabrics 2, compressing them in the stacking direction, and hardening it.
  • the outer layer (plate) 20 includes a laminate that has been hardened while compressed in the stacking direction, and the laminate includes a plurality of stacked circular nonwoven fabrics.
  • the number of the stacked circular nonwoven fabrics 2 in the laminate for example, it can be selected as appropriate in order to satisfy the preferred thickness as described later and the preferred deformation rate as described above.
  • the nonwoven fabric in the outer layer plate 20 can be hardened using an adhesive.
  • the adhesive may be, for example, an adhesive that includes a hardenable resin and a hardening agent.
  • the hardenable resin may be, for example, epoxy resin, urea resin, urethane resin, phenol resin, or the like.
  • the epoxy resin may be a cresol novolac type epoxy resin, a bisphenol A type epoxy resin, a bisphenol F type epoxy resin, a phenol novolac type epoxy resin, a tris(hydroxyphenyl) methane type epoxy resin, a naphthalene type epoxy resin, a fluorene epoxy resin, a glycidylamine compound, and the like.
  • the hardening agent may be, for example, dicyandiamide (DICY), acid hydrazide, boron trifluoride complex, imidazole compound, amine imide, and lead salts, and, of these, dicyandiamide is particularly preferred.
  • DICY dicyandiamide
  • acid hydrazide boron trifluoride complex
  • imidazole compound amine imide
  • lead salts and, of these, dicyandiamide is particularly preferred.
  • the nonwoven fabric included in the outer layer (plate) 20 is hardened by an adhesive, and a content of the adhesive is in a range from 5 to 30 mass% of the total mass of the nonwoven fabric.
  • the outer layer (plate) 20 that includes such nonwoven fabric can easily satisfy the deformation rate as described above. Also, such the outer layer (plate) 20 can have a sufficiently large amount of wear in the polishing process, so it is possible to perform the polishing process more efficiently.
  • FIGs. 5A and 5B are schematic cross-sectional views illustrating examples of a manufacturing process of the nonwoven fabric grind disc 100.
  • the plurality of circular nonwoven fabrics 2 (for the two outer layer (plates) 20) and the plurality of circular nonwoven fabrics 5, are stacked with each member in the same positional relationship in the nonwoven fabric grind-disc 100 at first.
  • the circular nonwoven fabrics 2 and the circular nonwoven fabric 5 are stacked so that their respective apertures form the through hole that engages with the shaft 500.
  • the circular nonwoven fabrics 2 and the circular nonwoven fabric 5 are stacked by inserting the shaft 500 there through.
  • the circular nonwoven fabrics 2 and the circular nonwoven fabrics 5 that are stacked using the shaft 500 are retained at both ends in the stacking direction by a retaining fixture 600.
  • the retaining fixture 600 is provided with a through hole in the center into which the shaft 500 is inserted so that the retaining fixture 600 can move freely in the stacking direction.
  • the circular nonwoven fabrics 2 and the circular nonwoven fabrics 5 are compressed in the stacking direction via the retaining fixture 600 using compression means 650 installed at one of the retaining fixtures 600, to form the compressed laminate as illustrated in FIG. 5B.
  • the process of the invented grind-disc 100 is not limited as described above.
  • the process shown in FIG. 6 is possible to use.
  • the multiple sheets of nonwoven fabric which have abrasive particles and multiple sheets of nonwoven fabric which don't have abrasive particle are piled up shown in FIG. 6A.
  • the piled multiple sheets of nonwoven fabric are pressed into the plate by the heat-press with high pressure load shown in FIG. 6B.
  • the plate is punched into the shape of the grind disc 100 shown in FIGs. 6C and 6D.
  • Grind-disc type 2 (shown in FIG. 1 A)
  • Thickness of the outer layer 0.2mm/each side
  • FIG. 8 The grinded situation of the work is shown FIG. 8 compared with the current disc one. Only in the invented disc, bottom in a ditch is ground over the full length of the welding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

L'invention concerne un disque de meulage comprenant une couche intérieure 50 qui est constituée de matériau adapté au meulage (contenant des particules abrasives) et une couche extérieure 20 qui recouvre au moins une partie de la surface de la couche intérieure 50 et qui est constituée de matériau non adapté au meulage (c'est-à-dire ne contenant pas de grains abrasifs).
PCT/US2016/024191 2015-04-01 2016-03-25 Disque abrasif avec couche de revêtement latérale WO2016160561A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP16773832.7A EP3277462A4 (fr) 2015-04-01 2016-03-25 Disque abrasif avec couche de revêtement latérale
US15/557,601 US20180043507A1 (en) 2015-04-01 2016-03-25 Abrasive disc with lateral cover layer
JP2017551322A JP2018510787A (ja) 2015-04-01 2016-03-25 側面カバー層を有する研磨ディスク
CN201680020919.4A CN107530866B (zh) 2015-04-01 2016-03-25 具有侧盖层的磨料盘

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562141477P 2015-04-01 2015-04-01
US62/141,477 2015-04-01

Publications (2)

Publication Number Publication Date
WO2016160561A1 true WO2016160561A1 (fr) 2016-10-06
WO2016160561A9 WO2016160561A9 (fr) 2016-11-24

Family

ID=57004584

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2016/024191 WO2016160561A1 (fr) 2015-04-01 2016-03-25 Disque abrasif avec couche de revêtement latérale

Country Status (5)

Country Link
US (1) US20180043507A1 (fr)
EP (1) EP3277462A4 (fr)
JP (1) JP2018510787A (fr)
CN (1) CN107530866B (fr)
WO (1) WO2016160561A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1025501B1 (nl) * 2017-08-22 2019-03-27 Cibo N.V. Schuurelement en werkwijze voor het vervaardigen van een schuurelement
AT521162B1 (de) * 2018-06-07 2019-11-15 Tyrolit Schleifmittelwerke Swarovski Kg Trägerkörper für ein Schleifwerkzeug
JP2023521096A (ja) * 2020-04-07 2023-05-23 サンーゴバン アブレイシブズ，インコーポレイティド 固定研磨バフ

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0691544A (ja) * 1992-09-09 1994-04-05 Sumitomo Metal Ind Ltd 鋼管高速切断砥石
JPH1110549A (ja) * 1997-06-25 1999-01-19 Sony Corp 切削ブレード
US6302930B1 (en) * 1999-01-15 2001-10-16 3M Innovative Properties Company Durable nonwoven abrasive product
JP2010234597A (ja) * 2009-03-31 2010-10-21 Mitsubishi Materials Corp 切断ブレード、切断ブレードの製造方法及び切断加工装置
US20130040537A1 (en) * 2010-04-27 2013-02-14 Mark G. Schwabel Ceramic shaped abrasive particles, methods of making the same, and abrasive articles containing the same

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1954655A (en) * 1931-10-15 1934-04-10 Stratmore Company Built-up abrasive element
US2121751A (en) * 1937-03-30 1938-06-21 Norton Co Cutting-off wheel
US3951619A (en) * 1973-05-11 1976-04-20 Frangipane Joseph G Method of making a grinding wheel
US4437271A (en) * 1979-03-14 1984-03-20 Minnesota Mining And Manufacturing Company Surface treating pad having a renewable surface
JPS58109262A (ja) * 1981-12-21 1983-06-29 Maruichi Koki Kk 研磨機
JPS6288572A (ja) * 1985-10-14 1987-04-23 Mitsubishi Metal Corp 研削砥石
JPH01121177A (ja) * 1987-11-05 1989-05-12 Canon Inc 切断ブレード
JPH02237756A (ja) * 1989-03-09 1990-09-20 Toshiba Corp バリ取り工具
JPH05220669A (ja) * 1992-02-07 1993-08-31 O S G Kk 複合研削砥石
US5858140A (en) * 1994-07-22 1999-01-12 Minnesota Mining And Manufacturing Company Nonwoven surface finishing articles reinforced with a polymer backing layer and method of making same
JP3708610B2 (ja) * 1996-01-26 2005-10-19 ミネソタ マイニング アンド マニュファクチャリング カンパニー 研磨ブラシとその製造方法
US6358133B1 (en) * 1998-02-06 2002-03-19 3M Innovative Properties Company Grinding wheel
JP2003191170A (ja) * 2001-12-26 2003-07-08 Fuji Grinding Wheel Co Ltd 切断砥石とその製造方法
FR2898070B1 (fr) * 2006-03-06 2009-01-09 Saint Gobain Abrasifs Tech Meule d'ebarbage fine, utilisation de cette meule, procede et dispositif pour la fabriquer
US7628829B2 (en) * 2007-03-20 2009-12-08 3M Innovative Properties Company Abrasive article and method of making and using the same
JP5348966B2 (ja) * 2008-08-21 2013-11-20 Ｓｕｍｃｏ Ｔｅｃｈｘｉｖ株式会社 研磨パッド
CN201346747Y (zh) * 2009-01-15 2009-11-18 武汉法山磨料磨具有限公司 一种防潮树脂砂轮
JP5780770B2 (ja) * 2011-02-01 2015-09-16 スリーエム イノベイティブ プロパティズ カンパニー 不織布研磨ロール及びその製造方法
CN103372817A (zh) * 2012-04-26 2013-10-30 圣戈班磨料磨具(上海)有限公司 一种改良工具
JP6300441B2 (ja) * 2012-12-27 2018-03-28 スリーエム イノベイティブ プロパティズ カンパニー 円形支持板、不織布研磨ロール、ロール組立体及び研磨方法
US9902046B2 (en) * 2013-09-16 2018-02-27 3M Innovative Properties Company Nonwoven abrasive article with wax antiloading compound and method of using the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0691544A (ja) * 1992-09-09 1994-04-05 Sumitomo Metal Ind Ltd 鋼管高速切断砥石
JPH1110549A (ja) * 1997-06-25 1999-01-19 Sony Corp 切削ブレード
US6302930B1 (en) * 1999-01-15 2001-10-16 3M Innovative Properties Company Durable nonwoven abrasive product
JP2010234597A (ja) * 2009-03-31 2010-10-21 Mitsubishi Materials Corp 切断ブレード、切断ブレードの製造方法及び切断加工装置
US20130040537A1 (en) * 2010-04-27 2013-02-14 Mark G. Schwabel Ceramic shaped abrasive particles, methods of making the same, and abrasive articles containing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3277462A4 *

Also Published As

Publication number Publication date
EP3277462A4 (fr) 2018-11-07
EP3277462A1 (fr) 2018-02-07
CN107530866A (zh) 2018-01-02
WO2016160561A9 (fr) 2016-11-24
US20180043507A1 (en) 2018-02-15
CN107530866B (zh) 2021-04-30
JP2018510787A (ja) 2018-04-19

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JP2011036945A (ja) 切断ブレード

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