EP3496898B1 - Trägerkörper für schleifwerkzeuge - Google Patents

Trägerkörper für schleifwerkzeuge Download PDF

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Publication number
EP3496898B1
EP3496898B1 EP17757669.1A EP17757669A EP3496898B1 EP 3496898 B1 EP3496898 B1 EP 3496898B1 EP 17757669 A EP17757669 A EP 17757669A EP 3496898 B1 EP3496898 B1 EP 3496898B1
Authority
EP
European Patent Office
Prior art keywords
carrier body
webs
set forth
ring
web
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.)
Active
Application number
EP17757669.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3496898A1 (de
Inventor
Andreas Fritsche
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.)
Tyrolit-Schleifmittelwerke Swarovski KG
Original Assignee
Tyrolit-Schleifmittelwerke Swarovski 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 Tyrolit-Schleifmittelwerke Swarovski KG filed Critical Tyrolit-Schleifmittelwerke Swarovski KG
Priority to EP19186520.3A priority Critical patent/EP3575034B1/de
Priority to PL19186520T priority patent/PL3575034T3/pl
Priority to PL17757669T priority patent/PL3496898T3/pl
Publication of EP3496898A1 publication Critical patent/EP3496898A1/de
Application granted granted Critical
Publication of EP3496898B1 publication Critical patent/EP3496898B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B24D5/16—Bushings; Mountings
    • 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
    • B24B45/00—Means for securing grinding wheels on rotary arbors
    • 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
    • B24D5/10—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with cooling provisions, e.g. with radial slots

Definitions

  • the invention relates to a carrier body for grinding tools with an inner hub ring, which encloses a central bore for connecting the grinding tool to a rotary drive, and an outer shroud for receiving an abrasive, in particular in the form of a galvanic assignment, a slip ring or more abrasive segments, wherein the hub ring and the shroud ring are connected to each other via a plurality of spaced-apart webs, and wherein the webs each have at least one recess.
  • the invention further relates to a grinding tool with such a carrier body.
  • the EP 2 641 696 A1 discloses a support body in which the objective is to save as much weight and at the same time form the support body as stable as possible.
  • the first goal was the solution according to the EP 2 641 696 A1 successfully implemented.
  • the carrier body of the EP 2 641 696 A1 especially with increasing number of revolutions to an undesirable extent.
  • the WO 2014/201087 A1 which forms the preamble of claim 1, discloses an adapter for mounting a grinding tool to a shaft of a grinding tool.
  • the recesses are arranged in the radial direction, which represents a weakening of the webs.
  • the EP 2 810 739 A1 discloses a grinding wheel with a carrier body having feedthroughs which are covered and / or filled.
  • the object of the present invention is to provide a comparison with the prior art improved carrier body, which is both a strong weight reduction and on the other hand has sufficient strength against centrifugal forces and sufficient rigidity against lateral forces. Furthermore, a grinding tool with a thus improved carrier body to be specified.
  • Another great advantage is that the dynamic behavior of the carrier body or a grinding tool comprising the carrier body can be influenced in a targeted manner by the arrangement and the variation of the geometry of the webs and the at least one recess provided therein.
  • protection is also desired for a grinding tool with a carrier body according to the invention and an abrasive associated with the shroud, in particular in the form of a galvanic coating, a slip ring or multiple abrasive segments.
  • FIG. 1a-1d show a first preferred embodiment of the carrier body 1 according to the invention, wherein FIG. 1a a perspective view, FIG. 1b a top view of a first side surface 28, Figure 1c a plan view of the lateral surface 47 and Figure 1d a plan view of the second side surface 28 of the carrier body 1 contains.
  • the carrier body 1 has an inner hub ring 7 which encloses a central bore 8 for connecting the carrier body 1 or a grinding tool constructed by means of the carrier body 1 to a rotary drive.
  • the central bore 8 has a radius 44 of 50 mm to 150 mm, preferably 63.5 mm or 101.6 mm, wherein the radius 44 is measured from the center of the central bore 8, through which the axis of rotation 24 of the support body 1 extends to to the inner edge of the hub ring. 7
  • the carrier body 1 further comprises an outer shroud 9 for receiving an abrasive, in particular in the form of a galvanic coating, a slip ring or more abrasive segments on.
  • the hub ring 7 and the shroud 9 have a distance 43 of 50 mm to 150 mm, preferably 100 mm, to each other. This distance 43 is measured from the outer edge of the hub ring 7 to the inner edge of the shroud.
  • the hub ring 7 and the shroud 9 are connected to each other via a plurality of webs 10, more precisely over a total of eleven webs 10, which are arranged at a uniform angular distance 41 relative to each other.
  • the webs 10 are spaced from each other. Between the webs 10 recesses 48 are arranged, which are formed in the present case approximately trapezoidal, wherein the corners of the trapezoid are rounded.
  • the webs 10 each have an approximately triangular recess 13. Furthermore, the webs 10 have two spaced apart through the recess 13 part webs 18 and 19. These partial webs 18 and 19 have a common contact point 31, which is arranged adjacent to the hub ring 7. Starting from this contact point 31, the partial webs 18 and 19 run apart in opposite directions in the direction of the shroud 9, that is to say the distance between the partial webs 18 and 19 relative to one another increases in the radial direction. In other words, the webs 10 widen towards the casing ring 9 in the plane of the carrier body 1.
  • the partial webs 18 and 19 are furthermore of arcuate design and mirror-symmetrical to a plane 25 oriented parallel to the axis of rotation 24 of the carrier body 1.
  • a partial web 18 of a web 10 forms with a part web 19 of an adjacent web 10 each have a cut-off pointed arc 26 (in FIG. 1b shown in dashed lines), wherein the tip 27 of the completely executed in mind pointed arch 26 is outside the shroud 9.
  • the carrier body 1 has a radius 42 of 200 mm to 300 mm, preferably 250 mm.
  • the shroud 9 comprises two outer webs 46, between which the lateral surface 47 is arranged. These two webs 46 may be electrically coated with an abrasive. This results in two active grinding areas, with which two workpieces or two areas of a workpiece can be processed simultaneously.
  • FIGS. 2a to 2c A second preferred embodiment of the carrier body 2 according to the invention is in the FIGS. 2a to 2c shown, wherein in the FIG. 2a a perspective view in which FIG. 2b a top view of one of Side surfaces 28 of the carrier body 2 and in the Figure 2c a plan view of the lateral surface 47 of the carrier body 2 is included.
  • the carrier body 2 has an inner hub ring 7, which encloses a central bore 8 for connecting the carrier body 2 or a grinding tool formed therewith to a rotary drive, and an outer shroud 9 for receiving an abrasive, in particular in the form of a galvanic coating , a slip ring or more abrasive segments.
  • a fastening ring 45 Arranged on the inner hub ring 7 is a fastening ring 45 projecting in the axial direction, this fastening ring 45 being formed on one side 28 of the carrier body 2.
  • the hub ring 7 and the shroud 9 are connected to each other via a plurality, more precisely twelve webs 11, wherein the webs 11 are spaced from each other by recesses 49.
  • the recesses 49 have approximately the shape of rectangles.
  • the webs 11 each have two recesses 14 and 15, which are arranged offset from one another in the radial direction.
  • the recesses 14 have the shape of a slot.
  • the recesses 15 have a substantially circular cross-section.
  • the recesses 15 serve at the same time as fastening means, via which the side surfaces 28 of the carrier body 2 can be provided with covers.
  • the covers may extend from the mounting ring 45 to the inner edge of the shroud 9.
  • the webs 11 further have two through the recesses 14 and 15 spaced apart webs 20 and 21.
  • the partial webs 20 and 21 are connected to each other via two contact points 31.
  • the partial webs 20 and 21 are arc-shaped and mirror-symmetrical to a parallel to the axis of rotation 24 of the support body 2 aligned plane 25th
  • a part web 20 of a web 11 with a part web 21 of an adjacent web 11 each form a cut-off pointed arc 26 (cf. FIG. 2b ), wherein the tip 27 of the fully executed in mind pointed arch 26 is outside the shroud 9.
  • pointed arches and parabolic arches can be used.
  • the carrier body 2 on the lateral surface 47 a plurality of grooves.
  • a limiting projection 46 is provided only on one side of the lateral surface 47.
  • FIG. 3 shows a third preferred embodiment of a carrier body 3 according to the invention in a plan view of a substantially normal to the axis of rotation aligned side surface of the carrier body.
  • the carrier body 2 comprises an inner hub ring 7, which encloses a central bore 8 for connecting the carrier body 2 or a grinding tool formed therewith to a rotary drive, and an outer shroud 9 for receiving an abrasive, in particular in shape a galvanic assignment, a slip ring or multiple abrasive segments.
  • the hub ring 7 and the shroud 9 are connected to each other via a plurality of webs 12.
  • the webs 12 are spaced from each other by recesses 50.
  • the recesses 50 as well as the recesses 49 and 48 in the embodiments described above, openings which extend over the entire thickness of the carrier body 1, 2 and 3. In other words, one can see through the carrier bodies 1, 2 and 3 at least in the region of the recesses 48, 49 and 50.
  • the webs 12 each have two recesses 16 and 17, which are spaced apart in the radial direction, and are formed substantially triangular, wherein the triangles are each facing a tip to each other.
  • the webs 12 further comprise two spaced apart by the recesses 16 and 17 part webs 22 and 23, which in turn arc-shaped and mirror-symmetrical to a parallel to the axis of rotation of the support body 3 aligned plane 25 are formed.
  • the partial webs 22 and 23 intersect in this exemplary embodiment and form a contact point 31 at the point of intersection.
  • the sheets 26 may also be parabolic.
  • fastening means 32 are provided, via which the outer side surfaces 28 of the carrier body 3 can be provided with covers. If necessary, the fastening means 32 also in shorter distances, so for example on every other web, be provided.
  • the carrier body 3 shown as well as the other carrier bodies 1, 2, 4, 5 and 6 shown in the figures are substantially rotationally symmetrical and are made of a metal.
  • FIGS. 4 . 5a and 5b and 6 illustrated preferred embodiments 4, 5 and 6 have, as regards the intended between the hub ring 7 and the shroud 9 webs 12, substantially the same structure as the third embodiment according to FIG. 3 on.
  • the fourth preferred embodiment according to FIG. 4 In contrast to the third preferred embodiment according to FIG. 3 is the fourth preferred embodiment according to FIG. 4 However, divided into two parts, wherein the webs 12 are machined starting from a center plane 33 in the axial direction, but without breaking the discs in their entirety. This leaves on the outer side surfaces in each case a material thickness, which serves as termination or cover 29.
  • the covers 29 are thus integrally connected to the webs 12 and the hub ring 7 and the shroud 9.
  • the covers 29 but could also be connected via fastening means with the webs 12 and / or the hub ring 7 and / or the shroud 9.
  • the mirror-symmetrical to the median plane 33 formed halves 34 and 35 of the support body 4 are detachably connected to each other at the median plane 33.
  • the fastening means 32 can be used.
  • a diaphragm 40 is disposed in the median plane 33 of the support body 5, which the carrier body 5 divided into two halves 36 and 37 distinguishable from each other.
  • This membrane 40 prevents a flow of material between the side surfaces of the carrier body 5.
  • the recesses 16, 17 and 50 do not extend in this case over the total thickness of the carrier body fifth
  • the sixth preferred embodiment it is a variant of the fifth preferred embodiment, wherein in the center plane 33 in turn a membrane 40 is arranged.
  • the halves 38 and 39 of the support body 6 are formed identically and by a certain, in this case, half, angular distance 41 of two adjacent webs 12 are arranged twisted to each other.
  • FIGS. 7a to 7c a seventh preferred embodiment of a carrier body 30 is shown, wherein Figure 7a a perspective view, FIG. 7b a plan view of a substantially normal to the axis of rotation 24 aligned side surface 28 of the carrier body 30, and FIG. 7c a plan view of the lateral surface 47 of the carrier body 30 shows.
  • the carrier body 30 in turn has an inner hub ring 7 which surrounds a central bore 8 for connecting the carrier body 30 or a grinding tool comprising the carrier body 30 to a rotary drive, and an outer shroud 9 for receiving an abrasive, in particular in the form of a galvanic coating Slip ring or more abrasive segments, on.
  • the hub ring 7 and the shroud 9 are connected to each other via a plurality of webs 51, wherein the webs 51 each have a recess 52.
  • the webs 51 are spaced from each other via passage openings 57. In total, thirteen webs 51 are provided.
  • the webs 51 each have two through the recess 52 spaced apart webs 53 and 54, wherein the sub-webs 53 and 54 are arcuate, and mirror-symmetrical to a parallel to the axis of rotation 24 of the support body 30 aligned plane 25th
  • a partial web 53 of a web 51 with a partial web 54 of an adjacent web 51 each form a sheet 55, the tips 56 of the sheets 55 touching the casing ring 9.
  • the sheets 55 are parabolic. You could alternatively be designed as pointed arches.
  • the angular distance 41 of two adjacent webs 51, the radius 42 of the carrier body 30, the radius 44 of the central bore 8 and the distance 43 of the hub ring 7 to the shroud 9 may have the specified in connection with the other embodiments dimensions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
EP17757669.1A 2016-08-11 2017-08-02 Trägerkörper für schleifwerkzeuge Active EP3496898B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP19186520.3A EP3575034B1 (de) 2016-08-11 2017-08-02 Trägerkörper für schleifwerkzeuge
PL19186520T PL3575034T3 (pl) 2016-08-11 2017-08-02 Korpus nośny do narzędzi ściernych
PL17757669T PL3496898T3 (pl) 2016-08-11 2017-08-02 Korpus nośny do narzędzi ściernych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50731/2016A AT518908B1 (de) 2016-08-11 2016-08-11 Trägerkörper für Schleifwerkzeuge
PCT/AT2017/060197 WO2018027250A1 (de) 2016-08-11 2017-08-02 Trägerkörper für schleifwerkzeuge

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP19186520.3A Division EP3575034B1 (de) 2016-08-11 2017-08-02 Trägerkörper für schleifwerkzeuge
EP19186520.3A Division-Into EP3575034B1 (de) 2016-08-11 2017-08-02 Trägerkörper für schleifwerkzeuge

Publications (2)

Publication Number Publication Date
EP3496898A1 EP3496898A1 (de) 2019-06-19
EP3496898B1 true EP3496898B1 (de) 2019-10-16

Family

ID=59702486

Family Applications (2)

Application Number Title Priority Date Filing Date
EP17757669.1A Active EP3496898B1 (de) 2016-08-11 2017-08-02 Trägerkörper für schleifwerkzeuge
EP19186520.3A Active EP3575034B1 (de) 2016-08-11 2017-08-02 Trägerkörper für schleifwerkzeuge

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19186520.3A Active EP3575034B1 (de) 2016-08-11 2017-08-02 Trägerkörper für schleifwerkzeuge

Country Status (8)

Country Link
US (1) US20190168360A1 (es)
EP (2) EP3496898B1 (es)
CN (1) CN109689296A (es)
AT (1) AT518908B1 (es)
ES (2) ES2767724T3 (es)
MX (1) MX2019001650A (es)
PL (2) PL3496898T3 (es)
WO (1) WO2018027250A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022113308B4 (de) 2022-05-25 2024-06-27 Lightway GmbH Schleifscheibenaufnahme

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US2735243A (en) * 1956-02-21 Abrasive cutting
US2242986A (en) * 1938-05-27 1941-05-20 Zipper Emil Wheel
US2508946A (en) * 1947-11-28 1950-05-23 Robert H Hoffman Safety abrasive wheel and arbor flange
US2950582A (en) * 1959-01-19 1960-08-30 Alvah D Beauchaine Center insert for abrasive wheels
US3477180A (en) * 1965-06-14 1969-11-11 Norton Co Reinforced grinding wheels and reinforcement network therefor
US3756796A (en) * 1967-12-13 1973-09-04 Super Cut Method of forming a peripheral grinding wheel
US3864884A (en) * 1973-09-14 1975-02-11 Bernard Weissman Abrading tool and holder therefor
DE10348930A1 (de) * 2003-10-18 2005-05-12 Bosch Gmbh Robert Tellereinleger für einen Schleifteller eines handgeführten Elektroschleifwerkzeugs
CN101622139A (zh) * 2006-10-31 2010-01-06 鳄鱼科技(英国)有限公司 轮构造
DE102008060100B3 (de) * 2008-11-25 2010-04-08 Stein & Co Gmbh Pflegescheibe
CN201376451Y (zh) * 2009-04-07 2010-01-06 浙江跃岭轮毂制造有限公司 株式轮辐的汽车轮毂
CN201677243U (zh) * 2010-04-14 2010-12-22 惠州市嘉泰电气有限公司 带轴槽研立方氮化硼砂轮
DE102012005085A1 (de) * 2012-03-13 2013-09-19 Dr. Müller Diamantmetall AG Werkzeug zum Bearbeiten von Materialien
CN102865957A (zh) * 2012-09-24 2013-01-09 江苏大学 一种分体式倾斜辐条轮辐扭矩传感器
JP6529210B2 (ja) * 2013-04-04 2019-06-12 スリーエム イノベイティブ プロパティズ カンパニー 研磨ディスクを用いる研磨方法およびこれに用いる物品
DE102013105616A1 (de) * 2013-05-31 2014-12-04 Dr. Müller Diamantmetall AG Werkzeug zum Bearbeiten von Materialien
JP6140540B2 (ja) * 2013-06-14 2017-05-31 スリーエム イノベイティブ プロパティズ カンパニー アダプタ
DE102013106546A1 (de) * 2013-06-24 2014-12-24 C. & E. Fein Gmbh Schleifteller für einen Oszillationsantrieb
US9375976B1 (en) * 2015-03-20 2016-06-28 Honda Motor Co., Ltd. Wheel with Y-shaped spoke configuration
CN204567111U (zh) * 2015-05-09 2015-08-19 黄石鑫华轮毂有限公司 一种星形辐板汽车铝合金轮毂
DE102015122233A1 (de) * 2015-12-18 2017-06-22 Thyssenkrupp Ag Massereduzierter Schleif-Grundkörper
DE102016105049B4 (de) * 2016-03-18 2018-09-06 Thyssenkrupp Ag Verfahren zur Wiederbelegung eines Schleifwerkzeugs sowie wiederbelegbares Schleifwerkzeug hierzu
DE102017122331A1 (de) * 2017-09-26 2019-03-28 Stephan Rieth Schleif- und/oder Trennwerkzeug und Verfahren zum Schleifen und/oder Trennen

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Also Published As

Publication number Publication date
EP3575034A2 (de) 2019-12-04
PL3496898T3 (pl) 2020-05-18
BR112019002465A2 (pt) 2019-05-14
ES2843795T3 (es) 2021-07-20
WO2018027250A1 (de) 2018-02-15
EP3575034B1 (de) 2020-10-21
AT518908A1 (de) 2018-02-15
MX2019001650A (es) 2019-06-10
ES2767724T3 (es) 2020-06-18
US20190168360A1 (en) 2019-06-06
EP3575034A3 (de) 2020-04-01
EP3496898A1 (de) 2019-06-19
PL3575034T3 (pl) 2021-05-31
CN109689296A (zh) 2019-04-26
AT518908B1 (de) 2019-04-15

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