EP0351543A2 - Meule de rectification - Google Patents

Meule de rectification Download PDF

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Publication number
EP0351543A2
EP0351543A2 EP89110590A EP89110590A EP0351543A2 EP 0351543 A2 EP0351543 A2 EP 0351543A2 EP 89110590 A EP89110590 A EP 89110590A EP 89110590 A EP89110590 A EP 89110590A EP 0351543 A2 EP0351543 A2 EP 0351543A2
Authority
EP
European Patent Office
Prior art keywords
grinding
grinding wheel
wheel according
partial
drive
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.)
Granted
Application number
EP89110590A
Other languages
German (de)
English (en)
Other versions
EP0351543B1 (fr
EP0351543A3 (fr
Inventor
Dieter Patentanwälte Keil & Schaafhausen Lehmann
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.)
NAXOS-UNION SCHLEIFMITTEL- UND SCHLEIFMASCHINENFAB
Original Assignee
NAXOS-UNION Schleifmittel- und Schleifmaschinenfabrik AG
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 NAXOS-UNION Schleifmittel- und Schleifmaschinenfabrik AG filed Critical NAXOS-UNION Schleifmittel- und Schleifmaschinenfabrik AG
Publication of EP0351543A2 publication Critical patent/EP0351543A2/fr
Publication of EP0351543A3 publication Critical patent/EP0351543A3/fr
Application granted granted Critical
Publication of EP0351543B1 publication Critical patent/EP0351543B1/fr
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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
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B24B5/42—Single-purpose machines or devices for grinding crankshafts or crankpins
    • 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
    • B24D7/18—Wheels of special form

Definitions

  • the invention relates to a grinding wheel with a layer covering made of diamond, crystalline boron nitride (CBN) or the like for grinding operations with stress on the side surfaces of the wheel.
  • CBN crystalline boron nitride
  • the entire grinding wheel does not consist of the abrasive, but a layer of coating is on the circumferential surface of a support body and, if necessary, the areas adjacent to the side of the wheel applied from the aforementioned super hard bonded abrasive of a few millimeters.
  • This is necessary for economic reasons because of the high-quality abrasive, but it is also possible for technical reasons because experience has shown that with the harder abrasives, higher grinding performance and a long service life between dressing cycles can be achieved.
  • diamond or CBN-coated grinding wheels up to 1000 times longer tool life can be achieved between dressing processes.
  • the dressing processes on the circumference are only a few ⁇ m per cycle, so that the wear of such abrasives can be limited to a few millimeters.
  • a problem that has not yet been solved is the use of such grinding wheels with a layer of superhard abrasive material in grinding operations with side loading of the grinding wheel. Since the dressing processes on the wheel circumference are only a few ⁇ m per cycle, the transition point to the side face of the grinding wheel is not renewed sufficiently. The grinding wheel becomes narrower with every dressing process and the ground seat width changes, e.g. a crankshaft, to an undesirable extent.
  • the grinding support body is divided into two axially adjustable partial disc supporting bodies and that the partial disc supporting bodies alternately have claw-like interlocking, segment-bearing grinding segments on their circumference.
  • this is achieved by adjusting the grinding wheel in the width of the grinding wheel each worn layer covering solved the previously described problem. Due to the fact that the partial disc carrier bodies engage in a claw-like manner on their outer circumference essentially over the entire width of the grinding wheel, the required grinding surface is formed not only on the circumferential surface of the wheel but also on the side of the wheel.
  • these are — in plan view — preferably essentially triangular or trapezoidal in shape, the larger base being in each case on the outer edge of the associated partial disc carrier body.
  • the grinding segments and / or the layer covering are fixed to the preferably metallic base body of the respective partial disk support body, for example via annular groove connection surfaces, e.g. are cemented on. This gives you the required reliable fit during operation, but on the other hand it can be replaced if necessary.
  • the device for axially adjusting the partial disk support bodies relative to one another has a plurality of adjusting elements, preferably arranged at the same angular distance on a partial circle.
  • the adjusting elements are provided at an angular distance of 20 °, a uniform adjustability is ensured over the entire circumference of the grinding wheel while maintaining the required accuracy.
  • the adjusting elements can, for example, be cylindrical in their basic shape and have an adjusting thread cooperating with an internal thread of the one part disk body on part of their outer circumference, while their free end faces are each intended for the contact of the other part disk body to determine the desired disk width.
  • the threads mentioned have the fineness required for the accuracy of the compensation of the worn lining thickness.
  • the adjusting elements can preferably carry a drive toothing on another part of their outer circumference, which interacts with a drive toothed ring. This can be arranged concentrically with the two partial disk support bodies and be in drive connection with all adjusting elements. This ensures that the two partial disk support bodies can be adjusted uniformly over their entire circumference with little structural effort.
  • the drive toothed ring can be driven, for example, by a drive pinion mounted in the partial disk support body. This also ensures simple actuation of the grinding wheel to compensate for the worn covering thickness.
  • the drive pinion has an engagement recess for a drive tool on the end face.
  • the drive pinion can also at one end of its axis, for example as a hexagon or the like. be designed so that can be attacked with a drive tool.
  • the two part-disk support bodies can be clamped together by means of tensioning screws, in each case in the position which permits the position of the adjusting elements.
  • the partial disk support body which does not have the internal thread for receiving the adjusting elements lies evenly all around on the free end faces of the adjusting elements.
  • the adjusting elements can be essentially hollow cylindrical and the tensioning screws can be passed through the adjusting elements.
  • grinding spindle bearings are preferably provided on both sides of the flanges of the grinding spindle.
  • the disk body 17 is subdivided into two disk-like, preferably metal partial disk support bodies 1, 2, which are axially adjustable relative to one another and have claw-like engagement segments on their outer circumference that alternate across the entire width of the grinding disk 9, carry the abrasive coating 16 or are formed from the same.
  • the two part-disk support bodies 1, 2 themselves have claw-like projections distributed over their circumference, which are coated, for example, with diamond grain or CBN on the outside diameter and the sides.
  • the ceramic-bonded grinding segments 3, 4 are cemented onto the part-disk support bodies 1, 2 with annular groove connecting surfaces 18. A direct coating of the claw-shaped attachments of the two part-disk support bodies 1, 2 is also conceivable.
  • adjusting thread 5 ' On their cylindrical outer circumference in one section an adjusting thread 5 ', which with a Internal thread 19 of the pulley support body 1 cooperates, carry and in a section facing the other pulley support body 2 a drive toothing 5 ''.
  • the drive teeth 5 '' of all adjusting elements 5 are constantly engaged with a drive toothed ring 6.
  • the drive toothed ring 6 is driven by one or more drive pinions 7 (see FIG. 2) via its toothing 7 '.
  • the entire grinding wheel 9 is firmly screwed to a grinding spindle 10 via a flange 11 by means of bolts 22 (FIGS. 1 and 4).
  • grinding spindle bearings 12, 13 are provided on the grinding spindle 10 (FIG. 5), which are part of the grinding spindle 10 as ring bodies.
  • the entire spindle set is changed when changing the grinding wheel.
  • the lateral run (stroke) is unchanged when the grinding machine is converted to a different grinding task, for example.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP89110590A 1988-07-20 1989-06-12 Meule de rectification Expired - Lifetime EP0351543B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3824543A DE3824543A1 (de) 1988-07-20 1988-07-20 Schleifscheibe
DE3824543 1988-07-20

Publications (3)

Publication Number Publication Date
EP0351543A2 true EP0351543A2 (fr) 1990-01-24
EP0351543A3 EP0351543A3 (fr) 1991-01-30
EP0351543B1 EP0351543B1 (fr) 1994-10-19

Family

ID=6359083

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89110590A Expired - Lifetime EP0351543B1 (fr) 1988-07-20 1989-06-12 Meule de rectification

Country Status (4)

Country Link
US (1) US5052154A (fr)
EP (1) EP0351543B1 (fr)
JP (1) JPH0248174A (fr)
DE (2) DE3824543A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0692499B2 (ja) * 1986-05-09 1994-11-16 三井東圧化学株式会社 充填材用炭酸カルシウム及びその製造方法
US5611724A (en) * 1995-12-01 1997-03-18 General Electric Company Grinding wheel having dead end grooves and method for grinding therewith
US5725416A (en) * 1995-12-20 1998-03-10 Russell; Jerry Apparatus and method for making and using a combined cutting/grinding wheel
ES2124160B1 (es) * 1995-12-28 1999-09-16 Rosales Maquinas Y Herramienta Fresas para lijado de molduras de madera, perfeccionadas.
US6024635A (en) * 1996-11-22 2000-02-15 Specialty Sales, Inc. Rotary drum tool
US6086295A (en) * 1997-06-30 2000-07-11 Novak; Norm Automated flash removing apparatus
DE19919893A1 (de) * 1999-04-30 2000-11-09 Junker Erwin Maschf Gmbh Vor- und Fertigschleifen einer Kurbelwelle in einer Aufspannung
US6840851B1 (en) * 2000-09-28 2005-01-11 Inland Diamond Products Company Bevel edging wheel with swarf clearance
US6705936B2 (en) 2001-03-13 2004-03-16 Wendt Dunnington Company Large-width, angular-sided segmental superabrasive grinding wheel
EP1533078B1 (fr) * 2003-11-12 2008-04-30 Erwin Junker Grinding Technology a.s. Outil de meulage scindé
JP5034427B2 (ja) * 2006-10-12 2012-09-26 株式会社ジェイテクト 研削加工における研削液の動圧開放方法、その方法を利用した研削方法およびその研削方法に用いる砥石
JP5167920B2 (ja) * 2008-04-11 2013-03-21 株式会社ジェイテクト 研削盤及び研削方法
KR20100138359A (ko) * 2009-06-25 2010-12-31 신한다이아몬드공업 주식회사 다이아몬드 공구
CN102059660B (zh) * 2010-10-21 2013-08-21 南京航空航天大学 一种适用于超高速磨削的组合式钎焊超硬磨料砂轮基体
US8597079B2 (en) * 2011-01-07 2013-12-03 Inland Diamond Products Company Abrasive wheel with closed profiles in cutting surface
JP6411136B2 (ja) * 2014-08-29 2018-10-24 本田技研工業株式会社 円盤状砥石
DE102016013110A1 (de) 2016-11-03 2018-05-03 Taghi Tawakoli Schleifwerkzeug mit verstellbarem Profil, T- Multi Profile

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE290422C (fr) *
US2231516A (en) * 1939-03-22 1941-02-11 Wennberg Odd Chuck
GB1087952A (en) * 1965-04-12 1967-10-18 Naradi Narodni Podnik Improvements in or relating to diamond form tools
FR2061911A5 (fr) * 1969-10-02 1971-06-25 Lunetiers Ste
JPS6048263A (ja) * 1983-08-29 1985-03-15 Tokyo Daiyamondo Kogu Seisakusho:Kk 木工作業における帯鋸の目立用総形フラ−リングカツプ窒化硼素砥石

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646653A (en) * 1948-12-31 1953-07-28 Bessie F Murchison Grinder with meshing teeth for knives, etc.
SU525540A1 (ru) * 1975-04-08 1976-08-25 Ордена Трудового Красного Знамени Институт Сверхтвердых Материалов Ан Украинской Сср Абразивный инструмент
US4208843A (en) * 1977-08-27 1980-06-24 Ngk Insulators, Ltd. Grinding attachment for porcelain bodies
DE3605855A1 (de) * 1986-02-22 1987-08-27 Arminius Gmbh Schleifmittel Schleifwerkzeug fuer profilleisten aus holz o.dgl.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE290422C (fr) *
US2231516A (en) * 1939-03-22 1941-02-11 Wennberg Odd Chuck
GB1087952A (en) * 1965-04-12 1967-10-18 Naradi Narodni Podnik Improvements in or relating to diamond form tools
FR2061911A5 (fr) * 1969-10-02 1971-06-25 Lunetiers Ste
JPS6048263A (ja) * 1983-08-29 1985-03-15 Tokyo Daiyamondo Kogu Seisakusho:Kk 木工作業における帯鋸の目立用総形フラ−リングカツプ窒化硼素砥石

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 9, no. 179 (M-399)(1902) 24 Juli 1985, & JP-A-60 48263 (TOUKIYOU DIAMOND KOUGU SEISAKUSHO K.K.) 15 März 1985, *

Also Published As

Publication number Publication date
DE3824543C2 (fr) 1991-10-31
EP0351543B1 (fr) 1994-10-19
DE3824543A1 (de) 1990-01-25
US5052154A (en) 1991-10-01
DE58908515D1 (de) 1994-11-24
EP0351543A3 (fr) 1991-01-30
JPH0248174A (ja) 1990-02-16

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