EP3036063A1 - Rouleau de dressage - Google Patents

Rouleau de dressage

Info

Publication number
EP3036063A1
EP3036063A1 EP14755631.0A EP14755631A EP3036063A1 EP 3036063 A1 EP3036063 A1 EP 3036063A1 EP 14755631 A EP14755631 A EP 14755631A EP 3036063 A1 EP3036063 A1 EP 3036063A1
Authority
EP
European Patent Office
Prior art keywords
formabrichtrolle
dressing
diamond
layer
recesses
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
EP14755631.0A
Other languages
German (de)
English (en)
Other versions
EP3036063B1 (fr
Inventor
Jörg Fuhlendorf
Detlef Lessow
Bert Rohde
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.)
Saint Gobain Diamantwerkzeuge GmbH and Co KG
Original Assignee
Saint Gobain Diamantwerkzeuge GmbH and Co KG
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 Saint Gobain Diamantwerkzeuge GmbH and Co KG filed Critical Saint Gobain Diamantwerkzeuge GmbH and Co KG
Priority to RS20170771A priority Critical patent/RS56108B1/sr
Publication of EP3036063A1 publication Critical patent/EP3036063A1/fr
Application granted granted Critical
Publication of EP3036063B1 publication Critical patent/EP3036063B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/12—Dressing tools; Holders therefor
    • B24B53/14—Dressing tools equipped with rotary rollers or cutters; Holders therefor
    • 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
    • B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
    • B24B53/062—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels using rotary dressing tools
    • 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
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/16—Bushings; Mountings

Definitions

  • the present invention relates to a novel web controlled form roller and a process for its preparation and its use for dressing diamond and CBN grinding wheels in ceramic, bakelitischer, metallic or synthetic resin bond and conventional grinding wheels with abrasives of corundum or silicon carbide.
  • This diamond layer may consist of a diamond grain in a bond of electrodeposited nickel or of polycrystalline diamond aggregates, which at the circumferential surface of the
  • Formabrichtrolle be held by a galvanically or chemically deposited nickel precipitate or by a sintered metal applied in a sintering process.
  • the diameter is ground so that a convex radius with the corresponding diameter is created.
  • the resulting from the dressing of these fine edges wear on the Formabrichtrolle is naturally high. If the wear exceeds the profile tolerance, the form dressing roller must be reground or replaced.
  • EP 0 1 16 668 B1 discloses a form dressing roller which solves the problem of wear on a diamond form dressing roller by a diamond coating which is multilayered perpendicular to the axis of rotation of the dressing roller and a diamond coating which is monolayered in the direction of the axis of rotation.
  • the diamond coating forms a profile perpendicular to the axis of rotation, which generates itself at constant dressing conditions and thus a larger
  • Dressing consists of profiling and sharpening the grinding wheel.
  • the profiling is required to return the profile of the grinding wheel to the desired shape and tolerance.
  • the sharpening takes place in order to also restore the grinding ability of the grinding wheel, ie to bring the grinding forces, the heat generation and the surface roughness generated on the workpiece back into the required limits.
  • the form dressing roller has a
  • a good profile accuracy of the grinding wheel is crucial for the result of the dressing process.
  • a dressing contour is specified by a program. When dressing, it is then important to adhere to the specified profile in a given timeframe exactly.
  • the object of the present invention is to provide a web controlled Formabrichtrolle that produces a better profile accuracy and a higher Verschkrautiefe on the grinding wheel, the wear of the Formabrichtrolle is so low that even long profile trains can be dressed on a diamond grinding wheel with high profile accuracy.
  • Another object of the present invention is to provide an economical and environmentally friendly method of making the web-controlled form dressing roll.
  • the object of the invention is preferably achieved by a form dressing roller with a carrier body, a freestanding pad ring with diamond grains in ceramic, metallic or synthetic resin bond for dressing diamond and CBN grinding wheels in ceramic, bakelitischer, metallic or synthetic resin bond and conventional grinding wheels with abrasives of corundum or silicon carbide with clamping screws that attach the pad ring between the carrier body and a mounting ring and a Receiving bore in the middle of the support body, wherein the lining ring has at least 3 recesses and the covering width of the lining ring preferably ⁇
  • Diamond grain size and / or the bar width is.
  • CVD Chemical Vapor Deposition
  • Starting material is typically one
  • the form dressing roller is suitable for dressing all bonded grinding wheels and grinding wheels as well as for all diamond or CBN grinding wheels and CBN grinding wheels.
  • CBN cubic boron nitride
  • CBN does not quite reach the hardness of diamond, but is resistant to oxygen at high temperatures, for example.
  • free-standing diamond coating with interrupted cut offers a long service life and leads to a grinding grinding wheel with an increased weed depth. Due to the freestanding diamond coating, it is possible to machine a wide variety of complex profiles in one dressing cycle. Due to the interrupted cut, an increased weed depth and profile on the grinding wheel is produced.
  • the form dressing roller according to the invention produces an improved and more uniform workpiece quality and profile, and thus a higher process reliability.
  • Web-controlled form dresser rolls with large hard material sizes and closed coating produce high degrees of overlap due to the coating widths, which leads to a low effect roughness and thus a more closed grinding wheel topography.
  • the recesses cause a pressure reduction between the Formabrichtrolle and the grinding wheel.
  • the high pressure causes shape error and profile distortion at the
  • the recesses facilitate penetration of the single diamond grain of the pad of the form roller into the grinding wheel.
  • a preferred embodiment of the invention is a Formabrichtrolle having a lining ring of 3 to 12 recesses.
  • the Abraum is an increased Weeping depth reached the grinding wheel.
  • the increased effect roughness leads to an improved grinding action of the grinding wheel.
  • a particularly preferred embodiment of the invention is a Formabrichtrolle having a lining ring of 4 to 6 and most preferably 5 recesses. With the number of said recesses on the lining ring of the Formabrichtrolle is achieved by the Abcardi an increased Wirkrauianae on the grinding wheel.
  • a preferred embodiment of the invention is a Formabrichtrolle, wherein the lining ring has a lining height of 10 mm to 20 mm and a usable document height of 4 mm to 6 mm. Due to the specified lining height of the lining ring is an improved
  • a preferred embodiment of the invention is a Formabrichtrolle, wherein the lining ring has a covering width of 0.4 mm to 2.0 mm and the covering width ⁇
  • Diamond grain size and / or diamond stick size is. By the specified covering width of the lining ring a better profile accuracy and roundness of the workpieces is achieved.
  • a preferred embodiment of the invention is a Formabrichtrolle, wherein the width of the recesses is 1 mm to 10 mm.
  • the recesses in the form dressing roll cause better penetration of the form dressing roll diamond into the grinding wheel bond during the dressing process and thus a reduction in dressing forces. With the indicated width of the recesses of the form dressing roller, a good result is achieved in reducing the dressing forces and in increasing the weed depth.
  • a preferred embodiment of the invention is a Formabrichtrolle, wherein the depth of the recesses corresponds to the exploitable depth of the covering. At the indicated depth of the recesses of the form roller, a good result is achieved in reducing the dressing forces and increasing the saw blade depth at the grinding wheel.
  • a preferred embodiment of the invention is a Formabrichtrolle, wherein the
  • the diameter of the form dressing roller is 80 mm to 250 mm.
  • Form dressing rollers are very effective in increasing the profile accuracy and the life of the Formabrichtrolle at the indicated diameters.
  • a preferred embodiment of the invention is a Formabrichtrolle, wherein the
  • Diameter of the receiving bore is 8 mm to 120 mm. This area for the receiving bore has proven to be very effective for better running accuracy and easier installation of Formabrichtrolle.
  • a preferred embodiment of the invention is a Formabrichtrolle, wherein the pad ring consists of at least one layer, wherein in each layer individual diamond grains or diamond rods are arranged in a narrow classified size in a plane perpendicular to the axis of rotation of the Formabrichtrolle according to a predetermined setting scheme.
  • the diamond grains of one layer lie in the gaps between the diamond grains of the other layer and partially protrude into the other layer, so that the peripheral geometry of the form-dressing roll in FIG
  • a further solution of the object of the invention is a method for producing the Formabrichtrolle invention, wherein
  • the coating is cold-pressed and sintered to the coating and
  • the coating width is ⁇ the diamond grain size and / or the diamond stick width.
  • the produced covering ring is ground with the diamond grains.
  • a further solution of the object of the invention is a method for producing the Formabrichtrolle invention, wherein
  • - diamond grains are placed according to a predetermined setting scheme on a substrate with an adhesive layer to produce a layer, wherein the recesses are formed in the lining,
  • the layer is cold pressed to the coating and sintered.
  • the coating width is ⁇ the diamond grain size and / or the diamond stick width.
  • the produced covering ring is ground with the diamond grains.
  • a preferred embodiment of the invention is a method for producing the Formabrichtrolle invention, wherein desired layers under
  • a preferred embodiment of the invention is a method for producing the Formabrichtrolle invention, wherein the produced Formabrichtrolle is then ground and finished.
  • a diamond lining ring is mounted in the main body
  • DDS Diamond Dressing System
  • the form dressing roller according to the invention results in a freestanding diamond coating whose covering width ⁇ the diamond grain size and / or diamond strip width, the grain size is chosen so that at the edges of the Belagrings natural radii arise that generate themselves and the smallest predetermined concave radius at the Corresponding grinding wheel.
  • a binding for a form dressing roll it is preferable to use a high tungsten content galvanic or sintered bond.
  • the grit size is ⁇ 1, 5 mm, and the usable height of the diamond coating in the feed direction is preferably between 5 mm and 10 mm.
  • Another object of the invention is that the form dressing roll is used to dress diamond and CBN grinding wheels in ceramic, bakelitic, metallic bonding or resin bonding, as well as conventional grinding wheels with corundum or silicon carbide abrasives.
  • FIG. 1 is a plan view of the front side of the form dressing roller
  • Fig. 2 is a plan view of the back of the Formabrichtrolle
  • 3 shows an enlarged detail Y of the covering with a recess according to FIG. 1 and FIG. 2;
  • Fig. 5 is an enlarged detail Z of the cross section of Fig. 4; 6 shows a graphic representation of the effective roughness of the workpieces after dressing, when using a conventional form dressing roll DDS without recesses in comparison to a form dressing roll DDS cut according to the invention with recesses;
  • FIG. 8 shows a graphic representation of the roundness of the workpieces after dressing, when using a conventional form dressing roller DDS without recesses in comparison with a form dressing roller DDS cut according to the invention with recesses;
  • the form dressing roller 10 is an example of a Diamond Dressing System (DDS).
  • the Formabrichtrolle 10 allows the dressing of ceramic bonded diamond and boron nitride grinding wheels in high precision.
  • the Formabrichtrolle 10 includes a set single-layer diamond backing 2, which is clamped in a two-piece steel base consisting of a support body 1 and a clamping ring 6.
  • the pad 2 consists of individual diamond grains, which have approximately the same size.
  • the diamond grains are exposed to rays passing through a common center of the form dressing roll 10.
  • the diamonds are incorporated into a matrix which consists of a suitable binder, for example a galvanic or a sintered bond with a high tungsten content.
  • the lining ring 2 shows in Fig. 1 five recesses 3. In Fig. 1, the receiving bore 5 and the clamping screws 4 are shown.
  • FIG. 2 shows a plan view of the back of the Formabrichtrolle 10. Here are the inner edges 6A and outer edge 6B of the clamping ring 6 visible.
  • FIG. 3 shows an enlarged detail Y of the covering 2 with a recess 3 according to FIG. 1 and FIG. 2.
  • the recess 3 has a width of 5 mm and a depth of 5 mm with a covering height of 5 mm.
  • the recess 3 can be cut out or introduced during the molding process.
  • FIG. 4 shows a cross section through the Formabrichtrolle 10 and Fig. 5 shows an enlarged section Z of the cross section of FIG. 4 in the region of the clamping ring 6 and the Belagrings 2. It is good to see that the carrier body 1 and the clamping ring. 6 With the clamping screws 4 are held together. Both the carrier body 1 and the clamping ring 6 are usually made of stainless steel. The clamping ring 6 is inserted with the inner edge 6 A in the carrier body 1 accurately. The lining ring 2 is placed on the carrier body 1. The lining ring 2 is clamped between the carrier body 1 and the clamping ring 6. The outer edge 6B of the clamping ring 6 is flush with the outer edge 6B of the carrier body 1. The usable height of the lining ring 2 is 5 mm.
  • FIG. 6 shows a graphic representation of the apparent roughness of a ceramic CBN
  • Forming roll (DDS CUT) according to the invention and a second grinding wheel with a conventional Formabrichtrolle (DDS) dressed. It could be shown that with the form dressing roller according to the invention, a saw groove depth on the grinding wheel of 3.5 ⁇ m was achieved. With the conventional Formabrichtrolle a Wrkrauianae was achieved at the dressed grinding wheel of only 1, 8 ⁇ . The Wirkrauianae, the dressed with the Formabrichtrolle invention grinding wheel is higher than with the normal dressing roller. This suggests a more abrasive grinding topography. This result was surprising and unexpected.
  • Fig. 7 is a graph showing the surface roughness of a grinding wheel after dressing. In the grinding process, restoring the desired surface roughness of the workpieces plays an important role. Shown is the
  • Form dressing roll (DDS) dressed It could be shown: By dressing with the form dressing roller DDS CUT according to the invention a slightly higher surface roughness of 0.23 ⁇ was achieved in the workpieces than in the conventional Formabrichtrolle DDS of 0.22 ⁇ .
  • Form dressing roller DDS of 0.32 ⁇ achieved.
  • the surface roughness was somewhat higher with the conventional form dressing roll DDS, but with the conventional one
  • Form dressing roller could be ground only 400 workpieces with specified surface roughness. Therefore, with the conventional form roller DDS could only one Dressing cycle of 400 workpieces can be achieved.
  • Fig. 8 is a graph showing the roundness of the workpieces after dressing the grinding wheel. Roundness is a measure of the accuracy with which an ideal round shape (circular shape) is achieved. It results in a better roundness profile, therefore less form deviations arise. During the grinding process the optimal roundness of the workpieces plays an important role. Shown is the roundness in [ ⁇ ] of the pieces of work. For this purpose, grinding wheels were dressed with a form dressing roller (DDS CUT) according to the invention and with a conventional form dressing roller (DDS). It could be shown:
  • Form dressing roller (DDS CUT) over the entire dressing cycle constant roundness values can be achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

L'invention concerne un rouleau de dressage (10) comportant un élément de support (1), un anneau d'habillage (2) libre contenant des corps en diamant et/ou des bâtonnets de diamant en liaison céramique, métallique ou en liaison par résine synthétique, pour le dressage de diamant et de meules de rectification CBN ainsi que de meules traditionnelles munies d'un moyen de rectification en corindon et/ou en carbure de silicium. Des vis de serrage (4) servent à serrer l'anneau d'habillage (2) entre l'élément de support (1) et une bague de fixation (6), et un perçage de logement (5) est ménagé au centre de l'élément de support (1), l'anneau d'habillage (2) présentant au moins trois évidements (3).
EP14755631.0A 2013-08-19 2014-08-18 Rouleau de dressage Active EP3036063B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RS20170771A RS56108B1 (sr) 2013-08-19 2014-08-18 Valjak za abrihter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310108918 DE102013108918A1 (de) 2013-08-19 2013-08-19 Formabrichtrolle
PCT/EP2014/067545 WO2015024892A1 (fr) 2013-08-19 2014-08-18 Rouleau de dressage

Publications (2)

Publication Number Publication Date
EP3036063A1 true EP3036063A1 (fr) 2016-06-29
EP3036063B1 EP3036063B1 (fr) 2017-05-03

Family

ID=51399636

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14755631.0A Active EP3036063B1 (fr) 2013-08-19 2014-08-18 Rouleau de dressage

Country Status (10)

Country Link
US (1) US9956665B2 (fr)
EP (1) EP3036063B1 (fr)
JP (1) JP6161820B2 (fr)
KR (1) KR101837320B1 (fr)
CN (1) CN105473283B (fr)
DE (1) DE102013108918A1 (fr)
ES (1) ES2633012T3 (fr)
HU (1) HUE035386T2 (fr)
RS (1) RS56108B1 (fr)
WO (1) WO2015024892A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3793773A1 (fr) * 2018-05-15 2021-03-24 Saint-Gobain Abrasives, Inc. Ensemble meule
CN110193769B (zh) * 2019-05-16 2020-10-09 温州企源科技服务有限公司 一种渐变可选式免换轮全自动磨床装置及使用方法
CN110774177B (zh) * 2019-11-05 2021-03-30 湖南科技大学 一种制备结构化成形砂轮的工具及方法

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US1422200A (en) * 1919-04-14 1922-07-11 Harry E Harris Grinding wheel
US3154064A (en) * 1962-04-02 1964-10-27 Koebel Diamond Tool Co Multiple point diamond tool
US3886925A (en) * 1973-06-20 1975-06-03 Barrie F Regan Cutting wheel
DE3378897D1 (en) 1983-02-22 1989-02-16 Winter & Sohn Ernst Diamond form dressing roller for dressing grinding wheels
JPH0716886B2 (ja) * 1986-12-26 1995-03-01 株式会社デイスコ 突起付き切断砥石
US4915089A (en) * 1988-01-28 1990-04-10 General Electric Company Tool for trueing and dressing a grinding wheel and method of use
EP0489092B1 (fr) * 1989-08-25 1993-08-11 Tyrolit Schleifmittelwerke Swarovski KG Dressage des meules
JPH04244377A (ja) 1991-01-29 1992-09-01 Toyoda Mach Works Ltd ダイヤモンドツルーイングロールの製造方法
DE19653975A1 (de) * 1995-12-31 1997-10-30 Kimiko Sueta Trennscheibe
US5868125A (en) * 1996-11-21 1999-02-09 Norton Company Crenelated abrasive tool
JP3440888B2 (ja) * 1999-06-21 2003-08-25 株式会社村田製作所 ダイシングブレード及び電子部品の製造方法
CN1238717C (zh) 2001-06-29 2006-01-25 中国科学院大连化学物理研究所 低脉动高精度双柱塞高效液相色谱泵
DE10156661A1 (de) 2001-11-17 2003-06-05 Saint Gobain Winter Diamantwer Diamant-Formabrichtrolle und Verfahren zur Herstellung
JP2006062015A (ja) * 2004-08-26 2006-03-09 Nitolex Honsha:Kk Ｃｖｄダイヤモンドを用いたドレッサ、並びに、その製造方法及び再生方法
ATE477887T1 (de) * 2006-03-21 2010-09-15 Mueller Diamantmetall Ag Dr Werkzeug zum bearbeiten von oberflächen und verfahren zur herstellung eines solchen werkzeugs
JP4354482B2 (ja) * 2006-12-26 2009-10-28 株式会社ノリタケスーパーアブレーシブ ツルーイング工具
DE102010000921A1 (de) * 2009-01-15 2010-07-29 Bernd Kuntz Abrichtwerkzeug und Verfahren zu dessen Herstellung
JP5253254B2 (ja) * 2009-03-19 2013-07-31 株式会社ノリタケカンパニーリミテド ドレッサ
JP2010269381A (ja) 2009-05-19 2010-12-02 Noritake Super Dresser:Kk ドレッサ
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DE102010045836A1 (de) * 2010-09-17 2012-03-22 Dr. Kaiser Diamantwerkzeuge Verwaltungs-Kg Vorrichtung und Verfahren zur Herstellung eines Abrichtwerkzeuges mit Vertiefungen
JP5608623B2 (ja) 2011-10-03 2014-10-15 株式会社アライドマテリアル ロータリードレッサおよびその製造方法

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Also Published As

Publication number Publication date
US9956665B2 (en) 2018-05-01
KR101837320B1 (ko) 2018-04-19
US20160151881A1 (en) 2016-06-02
WO2015024892A1 (fr) 2015-02-26
JP6161820B2 (ja) 2017-07-12
DE102013108918A1 (de) 2015-02-19
KR20160031546A (ko) 2016-03-22
ES2633012T3 (es) 2017-09-18
EP3036063B1 (fr) 2017-05-03
JP2016531010A (ja) 2016-10-06
RS56108B1 (sr) 2017-10-31
CN105473283B (zh) 2019-08-06
CN105473283A (zh) 2016-04-06
HUE035386T2 (en) 2018-05-02

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