EP1313594A1 - Polissoir - Google Patents

Polissoir

Info

Publication number
EP1313594A1
EP1313594A1 EP01976157A EP01976157A EP1313594A1 EP 1313594 A1 EP1313594 A1 EP 1313594A1 EP 01976157 A EP01976157 A EP 01976157A EP 01976157 A EP01976157 A EP 01976157A EP 1313594 A1 EP1313594 A1 EP 1313594A1
Authority
EP
European Patent Office
Prior art keywords
felt
polishing tool
tool according
polishing
lamellae
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
EP01976157A
Other languages
German (de)
English (en)
Other versions
EP1313594B1 (fr
Inventor
Marion Wendt-Ginsberg
Frank Wendt
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.)
Wendt Poliertechnik GmbH and Co KG
Original Assignee
M&F Entwicklungs und Patentverwertungs GmbH
Wendt Poliertechnik 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 M&F Entwicklungs und Patentverwertungs GmbH, Wendt Poliertechnik GmbH and Co KG filed Critical M&F Entwicklungs und Patentverwertungs GmbH
Publication of EP1313594A1 publication Critical patent/EP1313594A1/fr
Application granted granted Critical
Publication of EP1313594B1 publication Critical patent/EP1313594B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B24D13/12—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of felted or spongy material, e.g. felt, steel wool, foamed latex
    • 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
    • B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
    • B24D13/147—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face comprising assemblies of felted or spongy material; comprising pads surrounded by a flexible material

Definitions

  • the invention relates to a polishing tool, in particular for the rotating drive by a machine tool, also a hand machine.
  • Polishing is a process for the machining of surfaces with a geometrically undefined cutting edge, whereby the material is removed by a polishing agent consisting of unbound mineral powder, usually metal oxides, with a high melting point and a low tendency to dissolve in water or oil.
  • a polishing agent consisting of unbound mineral powder, usually metal oxides, with a high melting point and a low tendency to dissolve in water or oil.
  • the mineral powder is slurried for polishing or processed into polishing pastes or polish suspensions by mixing with heat-resistant fats or paraffins.
  • polishing is carried out on a lapping machine or in the production of optical lenses using a polishing shell.
  • a polishing tray is usually lined with a polishing agent carrier, which holds the polishing suspension on the tool and specifies the final shape of the workpiece surface.
  • Plastic film, felt, pitch or felt flake are used as the polishing agent carrier.
  • hand-held machines with polishing tools are usually used, which have no workpiece-specific contour and are not used to shape the
  • polishing usually involves reworking the surface for decorative purposes or Restoration of such an area in the repair shop (eg polishing of painted parts, polishing out scratches).
  • polishing with hand-held machines is the most common application for producing decorative surfaces or for finishing.
  • polishing tools are known, which are provided on machines similar to bench grinders or for driving by hand drills, angle grinders or straight grinders.
  • polishing tools for example from the tool catalog 1998/1999 from Hch. Persch ann GmbH, Braunschweig, pages 462 and 464, are known polishing tools in which a one-piece compact felt body, which is referred to as particularly durable, is provided in a cylindrical, tapered or disc-shaped configuration with a steel shaft with a diameter of 6 mm for clamping in a machine. A corresponding grinding paste for use with these felt polishing bodies is also offered.
  • Felt polishing discs can be used with machines (type FDv 6-6 and others). Furthermore, under the designations FPK0708 to FPK3035, a range of contoured felt polishing bodies are available, which range from small spherical shapes of the felt to various partially conical designs and cylindrical solid felt polishing bodies. These felt polishing bodies are also provided with shafts for mounting in conventional drill chucks. So-called buffing disks or buffing bells are also known, in particular for use in vehicle bodies before and after painting, in which the polishing body of the polishing tool consists of a package of cotton cloths laid one on top of the other and quilted together according to the desired strength, which wipes radially to or through a hole in a clamping pin Clamping pin are arranged.
  • a tool is known from Patent Abstracts of Japan for JP 60094271, in which individual sections of a polishing cloth are cast with a glass fiber plate by means of a thermosetting resin in such a way that an even number of packets are formed from two to three layers of the cloth and the packets are shaped like a shingle the disc are arranged around a central receiving hole for a mandrel.
  • a polishing pad which has a short fiber layer with a strong bond to a holding layer, and wherein a Velcro layer is attached to the back of the polishing pad to detachably attach the polishing pad to a corresponding polishing plate. It is stated as an advantage that it is possible to remove the polishing disc from the polishing plate and wash it in household or industrial washing machines and to remove dried polishing agent and polishing dust. It should be achieved that the polishing pad can be used a few times.
  • polishing discs described in the utility model DE-GM 1940005 in which an adapted polishing agent is to be integrated in a soft bond.
  • the textile should be soaked with the polishing agent preparation or be embedded, for example, by wrapping it in cloth sections. It is emphasized as essential that the cloth-like character of such a polishing wheel should be retained, as in the known polishing wheels constructed from flat or bulged cloth layers.
  • the polishing result is therefore dependent on a certain experience and practice of the operator and his experience in a suitable selection of a polishing body with suitable hardness and a polishing agent adapted to the material of the workpiece and the polishing body.
  • the invention is therefore based on the object of providing a polishing tool of the type mentioned at the outset which has improved properties with regard to its handling and with regard to a better work result.
  • a polishing tool of the type mentioned which is characterized in that the full pole body is divided many times.
  • the polishing tool adapts particularly well to the material contour and thus also enables the polishing of curves to be carried out particularly well.
  • such a polishing tool according to the invention can also be produced in small dimensions, so that the advantages according to the invention can also be used when polishing the smallest workpieces or when polishing in recesses and holes.
  • the polishing tool is characterized in that the polishing body is formed by a multiplicity of full felt lamellae.
  • polishing agent can be better distributed on the surface of the polishing tool and the risk of clogging of the felt and thus of lubrication points on the workpiece on the one hand or the dry running of the polishing tool on the workpiece on the other hand can be better avoided.
  • both concave and convex curved surfaces can be machined particularly well.
  • the felt lamellae have a thickness of approximately 1 mm to approximately 20 mm and / or if the felt has a pure wool (animal hair) content of at least approximately 30%. and preferably has a hardness of 0.14 to 0.68 (W4 to H5) according to DIN 61200.
  • W4 to H5 hardness of 0.14 to 0.68
  • the felt lamellae consist of felt of different densities. On the one hand, this results in a sufficient strength of the tool, on the other hand, areas with felt of lower density can absorb larger amounts of polishing agent.
  • one or more flexible intermediate layers are provided between at least some of the felt lamellae.
  • a particularly good polishing result for strongly contoured workpieces can be obtained if at least some of the felt lamellae are each divided transversely to their longitudinal extension, preferably at a distance of about 3 mm to about 10 mm, which results in a particularly high flexibility of the tool.
  • the felt lamellae are permanently connected to a carrier body on at least one side and are strung together without gaps in the region of this side.
  • the felt lamellae are permanently connected to a carrier body on at least one side and are lined up at a distance from one another in the region of this side.
  • the carrier body is formed from a disc and the disc as a resin-bonded glass fiber plate or essentially from a plastic, preferably a fiber-reinforced plastic, from aluminum, a hard paper (fiber material) or from steel is produced, in particular if the felt lamellae are arranged along the circumference of the disk, preferably protruding radially, on the axial end face of the disk.
  • inner edge regions can also be polished particularly well with such an embodiment.
  • the felt lamellae are fastened substantially radially to a carrier body.
  • the carrier body has at least one hole for receiving a holding mandrel for connection to a drive machine.
  • the carrier body has at least one hole for receiving a drive shaft and preferably in the axial direction along the hole a groove for a driver.
  • a shaft is connected to the carrier body in a rotationally fixed manner for connecting the polishing tool to a drive machine, in particular particularly inexpensive to manufacture if the carrier body consists of a synthetic resin body in the the felt slats and the shaft are directly embedded. It is particularly simple in terms of production technology if the carrier body is formed by at least partially potting a space formed between the felt slats positioned with respect to one another and the shaft with a plastic or synthetic resin.
  • the carrier body or the shaft comprises a single or multiple thread screw or nut thread, the thread preferably being a steep thread, a rectangular thread or a trapezoid thread.
  • Figure 1 a . Polishing tool according to the invention in side view in partial section;
  • Figure 2 a polishing tool according to the invention as in Figure 1 in front view;
  • FIG. 3 a further polishing tool according to the invention as in FIG. 1 in front view;
  • Figure 4 the polishing tool according to the invention as in Figure 2 in
  • FIG. 5 the further polishing tool according to the invention as in FIG. 3 in a rear view on the drive side;
  • FIG. 6 a further polishing tool according to the invention in side view in partial section;
  • FIG. 7 the further polishing tool according to the invention as in FIG. 6 in front view;
  • FIG. 8 the further polishing tool according to the invention as in Figure 6 in rear view on the drive side
  • FIG. 9 a further polishing tool according to the invention in side view in partial section
  • Figure 10 the further polishing tool according to the invention as in Figure 9 in a view of an end face
  • FIG. 11 a further embodiment of the polishing tool similar to that in FIG. 1.
  • the polishing tool according to the invention shown in FIG. 1 comprises a full (non-hollow) polishing body 1 essentially made of a felt, which is often divided with slits 2, the slits 2 being formed between a multiplicity of full (non-hollow) felt lamellae 3.
  • a full polishing body 1 or a full felt lamella 3 is to be understood here that there should be no larger voids or holes beyond the normal porosity of the felt used.
  • the felt lamellae 3 are attached substantially radially to a carrier body 4, preferably oriented essentially radially upright.
  • a shaft 5 which is connected to the carrier body 4 in a rotationally fixed manner, is provided, for example, for connecting the polishing tool to a conventional chuck of a drive machine.
  • the shaft 5 expediently has one of the usual diameters of 6 mm, 8 mm or 12 mm, depending on the size of the polishing tool and the drive machine.
  • the carrier body 4 can consist of a synthetic resin body in which the felt strips 3 and the shaft 5 are directly embedded , which is preferably formed by at least partially potting a space 6 formed between the mutually positioned felt lamellae 3 and the shaft 5 with a plastic or synthetic resin.
  • the polishing body 1 can have an outside diameter of over 100 mm and a length in the axial direction of 150 mm, on the other hand it can also have a diameter of only 30 mm and for example a length of 10 mm, depending on the desired application. Accordingly, it has proven to be expedient to provide a thickness of the slats 3 of approximately 1 mm to approximately 20 mm, preferably in the range of approximately 3 mm to approximately 20 mm.
  • the felt lamellae 3 with a rectangular cross section are mounted on the carrier body 4, the result is that the slots 2 or gaps on the radial outside are relatively large, which results in a relatively soft polishing body 1 with particularly good cooling results. If the felt lamellae 3 are pressed together in the radially inner region, as shown in FIGS. 3 and 5, it follows that the slots 2 or gaps on the radial outside are relatively narrow and a relatively firm polishing body 1 results.
  • a further embodiment of the polishing tool according to the invention is designed such that the carrier body is formed from a disk 7.
  • the disc 7 can expediently be produced as a resin-bonded glass fiber plate or from a plastic, preferably a fiber-reinforced plastic, from aluminum, a hard paper (fiber material) or from steel.
  • a polishing tool is shown in FIGS. 6, 7 and 8.
  • the disc 7 has e.g. a hole 8 for receiving a conventional arbor for connection to a drive machine.
  • the edge of the hole 8 is expediently reinforced with a metal eyelet 9 in order to guarantee a secure central fit.
  • the felt lamellae 3 are arranged along the circumference on the axial end face 10 of the disk 7, as can be clearly seen in FIGS. 7 and 6.
  • the slats 7 are arranged so that they protrude the edge 11 of the disc 7 radially outside by a piece 12. This can be seen well in FIG. 8, which shows a view of the polishing tool from the machine side.
  • a roller-shaped polishing tool according to the invention is particularly suitable for use on stationary machines. Compared to the first described embodiment, this tool differs primarily in that the lamellae 3 are fastened on a core 13, into which a through hole 14 for receiving a drive shaft of the machine tool is formed either directly or by means of a sleeve (not shown).
  • This embodiment can be economically useful in sizes up to at least an outer diameter of 120 mm and correspondingly large widths.
  • a groove 15 can be clearly seen in FIG. 10. If there is a corresponding power requirement, several such grooves can also be provided.
  • such embodiments can also be provided with other drive receptacles and with an outer diameter of up to 300 mm.
  • the felt has a pure wool content of at least about 30%.
  • the felt strips 3 can also consist of felt of different densities and one or more intermediate layers (not shown) (not shown) can be provided between the at least some of the felt strips 3 to stiffen the tool.
  • Such liners can be made of a suitable flexible material, including felt.
  • at least some of the felt lamellae 3 can be combined into groups with or without intermediate layers and be connected to each other within the groups, for example by sewing, to form packets of felt plates.
  • the hole 8 of the disk 7 or the hole 14 of the roller-shaped polishing tool can contain a nut thread, depending on the drive machine. Accordingly, the shaft 5 can be provided with a screw thread.
  • the threads can be single-thread or multi-thread and in particular be a steep thread, a rectangular thread or a trapezoid thread.
  • a particularly good polishing result can be obtained if at least some of the felt lamellae 3 are each divided by transverse slots 16 transversely to their longitudinal extent, as can be seen in FIG. 11.
  • the transverse slits 16 can extend from the radially outer side of the felt lamellae 3 over part of the depth of the felt lamellae 3 or can even go to the bottom.
  • the transverse slots 16 are preferably arranged at a distance of approximately 3 mm to approximately 10 mm, which results in a particularly high degree of flexibility and adaptability of the felt lamellae to the workpiece contour in the manner of a brush.

Landscapes

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

Abstract

L'invention concerne un polissoir présentant des caractéristiques améliorées en ce qui concerne son maniement et donnant un meilleur résultat. Le polissoir selon l'invention comprend un corps de polissage plein (1) pratiquement constitué d'un feutre, le corps de polissage (1) étant subdivisé de nombreuses fois.
EP01976157A 2000-08-28 2001-08-28 Polissoir Expired - Lifetime EP1313594B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10042109A DE10042109C2 (de) 2000-08-28 2000-08-28 Polierwerkzeug
DE10042109 2000-08-28
PCT/EP2001/009903 WO2002018102A1 (fr) 2000-08-28 2001-08-28 Polissoir

Publications (2)

Publication Number Publication Date
EP1313594A1 true EP1313594A1 (fr) 2003-05-28
EP1313594B1 EP1313594B1 (fr) 2007-08-15

Family

ID=7653979

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01976157A Expired - Lifetime EP1313594B1 (fr) 2000-08-28 2001-08-28 Polissoir

Country Status (6)

Country Link
US (1) US7794309B2 (fr)
EP (1) EP1313594B1 (fr)
AT (1) ATE369941T1 (fr)
DE (2) DE10042109C2 (fr)
ES (1) ES2290175T3 (fr)
WO (1) WO2002018102A1 (fr)

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US20070269891A9 (en) * 2003-01-13 2007-11-22 Yasunobu Tanaka Solid surface with immobilized degradable cationic polymer for transfecting eukaryotic cells
DE102006017305A1 (de) * 2006-04-12 2007-10-18 Gerd Eisenblätter Gmbh Befestigungssystem, Befestigungsadapter und Befestigungsverfahren
US8342843B2 (en) 2008-05-08 2013-01-01 Dental Wings, Inc. Dental articulator reference object
US8585470B2 (en) * 2010-09-22 2013-11-19 Black & Decker Inc. Wearable backing for an abrasive flap disk
TWM417989U (en) * 2011-01-28 2011-12-11 Green Energy Technology Inc Grinding mechanism
RU2467861C2 (ru) * 2011-02-25 2012-11-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет" Способ заполнения конструктивных элементов композиционного шлифовального круга твердым смазочным материалом
DE102014102688A1 (de) 2014-02-28 2015-09-03 Adolf Würth GmbH & Co. KG Poliervorrichtung mit Wärmeabführeinrichtung
DE202020000786U1 (de) 2020-02-28 2021-05-31 Wendt Poliertechnik Gmbh & Co. Kg Polierwerkzeug
DE102020001283A1 (de) 2020-02-28 2021-09-02 Wendt Poliertechnik Gmbh & Co. Kg Polierwerkzeug
WO2021170298A1 (fr) 2020-02-28 2021-09-02 Wendt Poliertechnik Gmbh & Co. Kg Outil de polissage
CN111941296B (zh) * 2020-08-24 2022-06-21 山东天舟精密机械有限公司 一种弹性抛光轮
CN115139230A (zh) * 2022-06-14 2022-10-04 郑州瑞特金刚石砂带有限公司 用于难磨材料拉丝的超硬材料砂布及其制备的砂带和叶轮的应用

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BE754384A (fr) 1969-08-06 1971-01-18 Bbc Brown Boveri & Cie Systeme de commande pour un gerbeur
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US4090333A (en) * 1977-03-25 1978-05-23 Merit Abrasive Products, Inc. Flexible grinding wheel
US4183183A (en) * 1978-03-22 1980-01-15 Belanger, Inc. Pack unit and mounting means therefor
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Also Published As

Publication number Publication date
US20040048560A1 (en) 2004-03-11
DE10042109A1 (de) 2002-03-21
DE50112869D1 (de) 2007-09-27
WO2002018102A1 (fr) 2002-03-07
US7794309B2 (en) 2010-09-14
ATE369941T1 (de) 2007-09-15
EP1313594B1 (fr) 2007-08-15
DE10042109C2 (de) 2003-07-03
ES2290175T3 (es) 2008-02-16

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