GB456950A - Composite grinding wheels and methods of making the same - Google Patents

Composite grinding wheels and methods of making the same

Info

Publication number
GB456950A
GB456950A GB4484/36A GB448436A GB456950A GB 456950 A GB456950 A GB 456950A GB 4484/36 A GB4484/36 A GB 4484/36A GB 448436 A GB448436 A GB 448436A GB 456950 A GB456950 A GB 456950A
Authority
GB
United Kingdom
Prior art keywords
abrasive
wheel
sheets
resinoid
central
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4484/36A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Norton Grinding Wheel Co Ltd
Original Assignee
Norton 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 Norton Grinding Wheel Co Ltd filed Critical Norton Grinding Wheel Co Ltd
Publication of GB456950A publication Critical patent/GB456950A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
    • 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
    • B24D3/285—Reaction products obtained from aldehydes or ketones
    • 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
    • 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
    • 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
    • B24D5/12—Cut-off wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

456,950. Grinding-wheels ; moulding. NORTON GRINDING WHEEL CO., Ltd., Welwyn Garden City. Feb. 14, 1936, No. 4484. Convention date, Feb. 14, 1935. [Class 60] [See also Group V] An abrasive wheel comprises a non-abrasive central body of fibrous sheet-material associated with a resinoid forming a support for an annular rim formed of resinoid-bonded abrasive grains which is integrally secured to it. The invention is applicable to the manufacture of very thin cutting-off wheels in which the abrasive consists of diamond dust, but other abrasives such as silicon carbide, crystalline alumina or boron carbide, united by a resinoid bond, may be employed. The central support may consist of a number of thin sheets 24 of fibrous material, such as paper or cloth impregnated with synthetic resin, which in manufacturing the wheel are assembled in a mould around a central arbor 22. The annular space between the sheets and the wall 10 of the mould is filled with the mixture 28 of abrasive and resin bond and the mould is compressed between the platens 16, 18 of a hot press, the resinoid in the central and abrasive portions of the wheel being converted to the infusible state and integrally uniting the whole. To strengthen the wheel, a perforated metal disc may be interposed at the centre of the fibrous sheets 25. Thicker sheets, or a single thick sheet, of resinoidimpregnated fibrous material may be substituted for the thin sheets 24. A cup wheel may be formed by securing the abrasive annulus to the end face of the central support. U.S.A. Specification 1,981,970 is referred to.
GB4484/36A 1935-02-14 1936-02-14 Composite grinding wheels and methods of making the same Expired GB456950A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6441A US2097803A (en) 1935-02-14 1935-02-14 Grinding wheel

Publications (1)

Publication Number Publication Date
GB456950A true GB456950A (en) 1936-11-18

Family

ID=21720904

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4484/36A Expired GB456950A (en) 1935-02-14 1936-02-14 Composite grinding wheels and methods of making the same

Country Status (5)

Country Link
US (1) US2097803A (en)
DE (1) DE722684C (en)
FR (2) FR803213A (en)
GB (1) GB456950A (en)
NL (1) NL42790C (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496234A (en) * 1944-05-15 1950-01-31 Carborundum Co Abrasive articles and methods of manufacturing the same
DE1120312B (en) * 1956-02-28 1961-12-21 Carborundum Co Process for the production of cut-off wheels
US2913858A (en) * 1957-09-04 1959-11-24 Nat Broach & Mach Gear honing tool
US3898773A (en) * 1973-08-28 1975-08-12 Swarovski Tyrolit Schleif Grinding disk
US4369046A (en) * 1979-06-15 1983-01-18 Abrasives International N.V. Process for making an abrasive grinding wheel
US5139536A (en) * 1981-12-15 1992-08-18 Minnesota Mining And Manufacturing Company Alumina bonded abrasive for cast iron
US4988370A (en) * 1984-05-31 1991-01-29 Minnesota Mining And Manufacturing Company Alumina bonded abrasive for cast iron
US5139539A (en) * 1981-12-15 1992-08-18 Minnesota Mining And Manufacturing Company Alumina bonded abrasive for cast iron
DE3741279A1 (en) * 1987-12-05 1989-06-15 Jochen C Dzierzon Abrasive disc (grinding wheel)
DE3836587A1 (en) * 1988-10-27 1990-05-03 Winter & Sohn Ernst INSIDE HOLE SAW
BR9607820A (en) * 1995-03-21 1998-07-07 Norton Co Grinder optimized for flat glass chipping
KR100285413B1 (en) * 1998-09-03 2001-04-02 김세광 Rim type diamond blade
MY126040A (en) * 1999-06-01 2006-09-29 Neomax Co Ltd Magnet member cutting method and magnet member cutting apparatus.
FR2803786B1 (en) * 2000-01-17 2002-03-08 Seva ABRASIVE GRINDER AND METHOD FOR MANUFACTURING SUCH A GRINDER
JP6684895B2 (en) * 2015-08-21 2020-04-22 アウグスト リュッゲベルク ゲーエムベーハー ウント コンパニー カーゲー Polishing tool and method of manufacturing this type of polishing tool
CN108453619B (en) * 2017-12-30 2020-02-21 苏州赛尔科技有限公司 Thinning grinding wheel for sapphire substrate
CN108994747A (en) * 2018-08-01 2018-12-14 江苏三锐研磨科技有限公司 A kind of resin grinding wheel shaping method that stock removal compensates automatically

Also Published As

Publication number Publication date
DE722684C (en) 1942-07-16
US2097803A (en) 1937-11-02
NL42790C (en)
FR803213A (en) 1936-09-25
FR803212A (en) 1936-09-25

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