WO1982001845A1 - Method of forming a grinding or polishing disc and a grinding or polishing implement composed of several such discs - Google Patents

Method of forming a grinding or polishing disc and a grinding or polishing implement composed of several such discs Download PDF

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Publication number
WO1982001845A1
WO1982001845A1 PCT/DK1981/000104 DK8100104W WO8201845A1 WO 1982001845 A1 WO1982001845 A1 WO 1982001845A1 DK 8100104 W DK8100104 W DK 8100104W WO 8201845 A1 WO8201845 A1 WO 8201845A1
Authority
WO
WIPO (PCT)
Prior art keywords
grinding
ring
rings
spindle
disc
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.)
Ceased
Application number
PCT/DK1981/000104
Other languages
French (fr)
Inventor
Keld O Hundebol
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8138534&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1982001845(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to NLAANVRAGE8120437,A priority Critical patent/NL187382C/en
Priority to BR8108884A priority patent/BR8108884A/en
Publication of WO1982001845A1 publication Critical patent/WO1982001845A1/en
Priority to FI822573A priority patent/FI71251C/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B24D13/04—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising a plurality of flaps or strips arranged around the axis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S15/00—Brushing, scrubbing, and general cleaning
    • Y10S15/03—Matrix
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1026—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina with slitting or removal of material at reshaping area prior to reshaping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1051—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina by folding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1062—Prior to assembly
    • Y10T156/1064—Partial cutting [e.g., grooving or incising]

Definitions

  • the invention relates to a method for producing a grinding- og polishing disc in which the grinding members are flexible 3 and to a grinding- or polishing machine for this purpose.
  • abrasive active medium is provided with abrasive grits, but non-abrasive mediums are also used for removing e.g. surface coatings such as rust or the like.
  • Hitherto known discs of this kind are produced by way of some kind of fastening of the abrasive medium to a carrier in the shape of a solid of revolution.
  • a string in the folding line in the centre as described in claim 2 is in a simple way partly a joint of the folded edge and partly a joint of the ring itself secured.
  • This string can e.g. consist of a hot' melt adhesive material, or, in case of a metal sheet, a fitted soldering material could be used.
  • a grinding implement can be produced, which grinds completely evenly, and which besides is simple to take apart and assemble.
  • the. implement can quickly be tightened together and the rings be retained in a safe way.
  • Fig. 1 shows a sheet after the segments have been punched
  • Fig. 2 shows the sheet after the ring has been formed
  • Fig. 3 shows an implement comprising a spindle with rings and discs
  • Fig. 4 shows the lower part of the spindle
  • Fig. 5 shows the spindle along the line V-V in fig. 4.
  • the basic material is a rectangular sheet 1, which can be of an abrasive kind, e.g. emery cloth, og of a non-abrasive kind, e.g. plastic, skin or metal.
  • the sheet is at its full length at both sides of the centre line provided with parallel slits 3, by means of which segments 2 appear at both sides of the centre The segments have the same length and the same width.
  • a string 5 is inserted in the centre along the length of the sheet.
  • the string can, where the sheet can be glued together, be of e.g. a hot melt material. In case of metal, the stringcan perhaps be of a soldering material.
  • the sheet is now folded together around the centre so that the segments 2 lie on top af each other. Thereafter folding edge is put against folding edge so that the string5 is assembled for the formation of a closed ring as shown in fig. 2.
  • a retaining disc and a ring are in turn placed on the spindle.
  • the interior of the ring with binding material and folding edges is held in between the two retaining discs 8 at both sides of the ring.
  • a disc 7 and some kind of a locking device is shown. This can be a bolt or a similar tightening device, by means of which rings and discs can be tightened together so that they are firmly locked to the spindle.

Landscapes

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

Abstract

On peut produire un dispositif de meulage ou de polissage en decoupant une tole rectangulaire (1) sur ses deux cotes en segments (2) en pratiquant des fentes depuis l'exterieur vers le centre. Ensuite la tole est pliee autour de son axe central autour d'un cordon de materiau adhesif (5), puis les deux bords replies sont plies et colles l'un a l'autre pour former un anneau ferme. Cet anneau peut ensuite etre place sur une broche (6), de preference entre deux disques de maintien (8). De cette facon il est possible d'economiser des materiaux bruts dans le cadre de la production d'anneaux, et ces anneaux peuvent etre utilises de facon plus economique dans un dispositif de meulage car les proprietes de meulage sont ameliorees grace au nombre important de segments, a leur taille absolument uniforme et leur emplacement sur la peripherie du dispositif, ainsi que grace a leur attitude a s'ajuster et a se conformer d'eux-meme. Un dispositif peut etre produit en disposant de tels anneaux entre les disques de maintien (8) sur une broche rotative, et la broche (6) peut comporter a son extremite une ou plusieurs surfaces de guidage (10) dans lesquelles une clavette de guidage (12) sur un disque (7) peut coulisser et peut se deplacer axialement sous l'action d'un ecrou (11).A grinding or polishing device can be produced by cutting a rectangular sheet (1) on its two sides into segments (2) by making slots from the outside towards the center. Then the sheet is folded around its central axis around a bead of adhesive material (5), then the two folded edges are folded and glued to each other to form a closed ring. This ring can then be placed on a spindle (6), preferably between two holding discs (8). In this way it is possible to save raw materials in the production of rings, and these rings can be used more economically in a grinding device because the grinding properties are improved thanks to the large number of segments. , their absolutely uniform size and location on the periphery of the device, as well as their attitude to adjust and conform themselves. A device can be produced by arranging such rings between the holding discs (8) on a rotary spindle, and the spindle (6) can have at its end one or more guide surfaces (10) in which a guide key ( 12) on a disc (7) can slide and can move axially under the action of a nut (11).

Description

METHOD OF FORMING A GRINDING OR POLISHING DISC AND A GRINDING OR POLISHING IMPLEMENT COMPOSED OF SEVERAL SUCH DISCS
The invention relates to a method for producing a grinding- og polishing disc in which the grinding members are flexible 3 and to a grinding- or polishing machine for this purpose.
Grinding- or polishing discs are used as rotating implements of different kinds. Usually the abrasive active medium is provided with abrasive grits, but non-abrasive mediums are also used for removing e.g. surface coatings such as rust or the like.
Hitherto known discs of this kind are produced by way of some kind of fastening of the abrasive medium to a carrier in the shape of a solid of revolution.
It can be glued on or by mechanical means be fastened to the carrier.
Such discs are difficult to produce as they must have a uniform grinding surface and, if it should be possible to replace destroyed or worn members, also be provided with means which admit a replacement of the components. Moreover the materials consumption is very large as the single components must be produced separately and thereafter be assembled. It is the object of this invention to meet these defects and indicate an improved method for the production of such discs, and this is achieved by cutting through a rectangular sheet at its full length from a distance from the centre and out to the opposite lateral edges for the formation of a number of segments, whereafter the sheet is folded up around the centre and then bent and joined together with the central portion against the central portion of the opposite end for the formation of a closed ring. By using this method it is achieved in a hitherto unknown and simple way to produce a ring with grinding- or polishing segments regularly disposed along the whole periphery of the ring, which segments all represent a portion of the closed ring formed from one single sheet. The formation of the grinding segments is done by a slit of the two sides of the sheet from the basic material, and the ring is formed by folding this sheet in the first place around the centre and then folding it for the formation of the closed ring. This ring member can now be assembled either alone or together with adjacent rings for the formation of an implement. By using this method is thus a saving of materials of at least 35 per cent achieved in relation to a punching of a corresponding ring in one single sheet, at the same time as the number of segments is doubled, as the ring according to the invention gets two segments on top of each other. Thus the number of rings on an implement can be considerably reduced as the grinding capability is thereby considerably increased. At the same time a completely exact arrangement of the single grinding segments with the same length and characteristics is achieved in a simple way. This results in the wanted regular grinding capability which can usually only be achieved by an extensive after-treatment of the implement. Moreover the method secures that the grinding segments can rotate around their longitudional axis, as the method secures that the single segments are placed at a suitable distance to the adjacent segments. This means that the implement becomes self-regularing, as the segments will adjust themselves to the prepared member. If the member is even the segments rotate about 90 and grind completely evenly, while they in case of a profiled member will adjust themselves to this by rotating more or less. The grinding effect is thus adjusted to the shape and nature of the surface.
By inserting a string in the folding line in the centre as described in claim 2, is in a simple way partly a joint of the folded edge and partly a joint of the ring itself secured. This string can e.g. consist of a hot' melt adhesive material, or, in case of a metal sheet, a fitted soldering material could be used.
By using a machine as described in claim 3 , a grinding implement can be produced, which grinds completely evenly, and which besides is simple to take apart and assemble.
By using a spindle and a tension disc as described in claim. 4, the. implement can quickly be tightened together and the rings be retained in a safe way.
The invention will now be elucidated further in detail with reference to the annexed drawing in which
Fig. 1 shows a sheet after the segments have been punched,
Fig. 2 shows the sheet after the ring has been formed,
Fig. 3 shows an implement comprising a spindle with rings and discs,
Fig. 4 shows the lower part of the spindle, and Fig. 5 shows the spindle along the line V-V in fig. 4.
As shown in fig. 1 the basic material is a rectangular sheet 1, which can be of an abrasive kind, e.g. emery cloth, og of a non-abrasive kind, e.g. plastic, skin or metal.
The sheet is at its full length at both sides of the centre line provided with parallel slits 3, by means of which segments 2 appear at both sides of the centre The segments have the same length and the same width. Then a string 5 is inserted in the centre along the length of the sheet. The string can, where the sheet can be glued together, be of e.g. a hot melt material. In case of metal, the stringcan perhaps be of a soldering material.
The sheet is now folded together around the centre so that the segments 2 lie on top af each other. Thereafter folding edge is put against folding edge so that the string5 is assembled for the formation of a closed ring as shown in fig. 2.
The stringis melted by means of heat, and the ring is ready. Instead of a string a closed ring, around which the sheet is folded, could be used.
In fig. 3 the rings are shown placed on a spindle 6 for the formation of the implement. On the spindle there is a stop on which a disc is mounted. Under this a retaining disc 8 of e . g . piastic is placed. The disc 8 is at its top side provided with a cavity and at its under side with a turning down at the extremity. The shape is clearly seen in cross section in fig. 3. Besides there are sloping edges 9 from cavity to surface and opposite from surface to ring.
In fig. 4 and 5 the lower portion of .the spindle 6 is shown. At the centre it is provided with a tapped hole in which a bolt 11 can be screwed. At the periphery of the spindle three guide facings 10 are placed in which corresponding pins 12 disposed on a disc 7 can be axially displaced. When the bolt is tightened together an axial displacement of the disc takes place and with it a pinching together of discs and rings disposed in layers on the spindle. The guide pins secure that the disc 7 cannot be rotated in relation to the spindle, by means of which the bolt 11 is locked to the spindle. This secures that the bolt does not unscrew itself during operation of the implement and so does, not slacken the single rings and discs.
When constructing the implement a retaining disc and a ring are in turn placed on the spindle. The interior of the ring with binding material and folding edges is held in between the two retaining discs 8 at both sides of the ring. At the bottom a disc 7 and some kind of a locking device is shown. This can be a bolt or a similar tightening device, by means of which rings and discs can be tightened together so that they are firmly locked to the spindle.
In this way an implement can be constructed which has flexible segments disposed regularly all over the periphery so a fast, even and exact grinding process can be obtained.

Claims

C L A I M S
1. A method for producing a grinding- or polishing disc..in which the grinding members are flexible, c h a r a c t e r i z e d in that a rectangular sheet (1) at its full length from a distance from the centre and out to the opposite lateral edges is cut through for the formation of a number of segments (2), whereafter the sheet (1) is folded up around the centre and then bent and. joined together with the central portion against the central portion of the opposite end for the formation of a. closed ring.
2. A method according to claim 1, c h a r a c t e r i z e d in that a string (5) af a hot melt material is inserted in the folding line and after the folding is heated, thus forming the ring.
3. A grinding- or polishing machine which works with rings produced according to the method described in claims 1 and 2, and where the rings are disposed on a rotating spindle, c h a r a c t e r i z e d iin that a retaining disc (8) is placed between each ring and pinches around the inner edge (4) of the ring.
4, A grinding- or polishing machine according to claim 3, c h a r a c t e r i z e d in that the spindle (6) at its end is provided with one or more peripheral guide facings (10) plus a central tapped hole, and with a disc (7) with a guide pin (12) which can slide in the guide facings (10) and with a central hole for a bolt (11) to be screwed into the tapped hole thus pinching the rings tightly between the retainging discs (8).
PCT/DK1981/000104 1980-11-24 1981-11-20 Method of forming a grinding or polishing disc and a grinding or polishing implement composed of several such discs Ceased WO1982001845A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NLAANVRAGE8120437,A NL187382C (en) 1980-11-24 1981-11-20 METHOD FOR MANUFACTURING A GRINDING OR POLISHING DISC
BR8108884A BR8108884A (en) 1980-11-24 1981-11-20 A METHOD TO PRODUCE A CRUSHING OR POLISHING DISC AND A MACHINE WITH THIS PURPOSE
FI822573A FI71251C (en) 1980-11-24 1982-07-20 FOERFARANDE FOER FRAMSTAELLNING AV EN SLIP- ELLER POLERINGSSKIVA

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK499880A DK149281C (en) 1980-11-24 1980-11-24 PROCEDURE FOR MANUFACTURING A GRINDING OR CUTTING DISC WHERE THE ABRASABLE ELEMENTS ARE REMOVABLE AND CONSISTING OF A CLOSED, DOUBLE RING
DK4998/80801124 1980-11-24

Publications (1)

Publication Number Publication Date
WO1982001845A1 true WO1982001845A1 (en) 1982-06-10

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ID=8138534

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK1981/000104 Ceased WO1982001845A1 (en) 1980-11-24 1981-11-20 Method of forming a grinding or polishing disc and a grinding or polishing implement composed of several such discs

Country Status (16)

Country Link
US (2) US4518452A (en)
EP (1) EP0065960A1 (en)
JP (1) JPH0355273B2 (en)
AT (1) AT389839B (en)
BR (1) BR8108884A (en)
CA (1) CA1175217A (en)
CH (1) CH650187A5 (en)
DE (1) DE3152552A1 (en)
DK (1) DK149281C (en)
FI (1) FI71251C (en)
FR (1) FR2494616B1 (en)
GB (1) GB2100631B (en)
NL (1) NL187382C (en)
NO (1) NO153481C (en)
SE (1) SE443110B (en)
WO (1) WO1982001845A1 (en)

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EP0320558A1 (en) * 1987-12-18 1989-06-21 HH PATENT Aps Method of producing grinding or polishing device, grinding or polishing device produced according to the method, tool for carrying out the method and use of the grinding or polishing device
RU2146591C1 (en) * 1998-09-11 2000-03-20 Ульяновский государственный технический университет Polishing method
RU2146590C1 (en) * 1998-09-11 2000-03-20 Ульяновский государственный технический университет Polishing method
RU2151680C1 (en) * 1998-08-21 2000-06-27 Ульяновский государственный технический университет Polishing method
RU2186671C1 (en) * 2001-01-05 2002-08-10 Ульяновский государственный технический университет Polishing method
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CN108262659A (en) * 2018-03-23 2018-07-10 东莞金坤新材料股份有限公司 Rectangular magnetic thin sheet edge grinding device

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JP5945679B2 (en) * 2012-07-17 2016-07-05 株式会社光陽社 Abrasive cloth holder for deburring brush, brush component board for deburring brush using the same, and deburring brush formed by laminating the same
US9694469B2 (en) * 2013-02-21 2017-07-04 IPR Innovative Products Resources Inc. Portable modular deburring machine
KR101601120B1 (en) * 2014-10-17 2016-03-08 현대자동차주식회사 Micro phone and method manufacturing the same
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Publication number Priority date Publication date Assignee Title
EP0320558A1 (en) * 1987-12-18 1989-06-21 HH PATENT Aps Method of producing grinding or polishing device, grinding or polishing device produced according to the method, tool for carrying out the method and use of the grinding or polishing device
RU2151680C1 (en) * 1998-08-21 2000-06-27 Ульяновский государственный технический университет Polishing method
RU2146591C1 (en) * 1998-09-11 2000-03-20 Ульяновский государственный технический университет Polishing method
RU2146590C1 (en) * 1998-09-11 2000-03-20 Ульяновский государственный технический университет Polishing method
RU2186671C1 (en) * 2001-01-05 2002-08-10 Ульяновский государственный технический университет Polishing method
RU2187421C1 (en) * 2001-01-05 2002-08-20 Ульяновский государственный технический университет Polishing method
CN108262659A (en) * 2018-03-23 2018-07-10 东莞金坤新材料股份有限公司 Rectangular magnetic thin sheet edge grinding device

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NO153481C (en) 1986-04-09
FI822573L (en) 1982-07-20
CH650187A5 (en) 1985-07-15
GB2100631A (en) 1983-01-06
ATA907881A (en) 1989-07-15
FI71251C (en) 1986-12-19
EP0065960A1 (en) 1982-12-08
GB2100631B (en) 1984-05-10
JPH0355273B2 (en) 1991-08-22
AT389839B (en) 1990-02-12
SE443110B (en) 1986-02-17
NL8120437A (en) 1982-10-01
DK149281B (en) 1986-04-21
FR2494616B1 (en) 1987-12-04
DE3152552C2 (en) 1991-10-17
FI822573A0 (en) 1982-07-20
US4518452A (en) 1985-05-21
DK149281C (en) 1986-09-15
DK499880A (en) 1982-08-16
FI71251B (en) 1986-09-09
FR2494616A1 (en) 1982-05-28
JPS57501773A (en) 1982-10-07
SE8204323L (en) 1982-07-14
US4637173A (en) 1987-01-20
NL187382B (en) 1991-04-16
DE3152552A1 (en) 1982-12-16
SE8204323D0 (en) 1982-07-14
NO153481B (en) 1985-12-23
BR8108884A (en) 1982-10-26
CA1175217A (en) 1984-10-02
NL187382C (en) 1991-09-16
NO822243L (en) 1982-06-30

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