EP1095737B1 - Holding disc for flap grinding wheel - Google Patents

Holding disc for flap grinding wheel Download PDF

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Publication number
EP1095737B1
EP1095737B1 EP00106457A EP00106457A EP1095737B1 EP 1095737 B1 EP1095737 B1 EP 1095737B1 EP 00106457 A EP00106457 A EP 00106457A EP 00106457 A EP00106457 A EP 00106457A EP 1095737 B1 EP1095737 B1 EP 1095737B1
Authority
EP
European Patent Office
Prior art keywords
flange
rear side
backing pad
grinding
flange rear
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.)
Expired - Lifetime
Application number
EP00106457A
Other languages
German (de)
French (fr)
Other versions
EP1095737A2 (en
EP1095737A3 (en
Inventor
Josef Brandstetter
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.)
Jobra Metall GmbH
Original Assignee
Jobra Metall GmbH
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 Jobra Metall GmbH filed Critical Jobra Metall GmbH
Publication of EP1095737A2 publication Critical patent/EP1095737A2/en
Publication of EP1095737A3 publication Critical patent/EP1095737A3/en
Application granted granted Critical
Publication of EP1095737B1 publication Critical patent/EP1095737B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D9/00Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
    • B24D9/08Circular back-plates for carrying flexible material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/14Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
    • B24D13/16Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face comprising pleated flaps or strips

Definitions

  • the invention relates to a carrier plate for flap discs with a hub for the drive shaft and one Flange for the grinding flaps to be glued.
  • a carrier plate is e.g. disclosed in document DE 298 05 508 U.
  • the object of the invention is, by an appropriate design the carrier plate the use of press plates and to avoid the associated disadvantages.
  • This configuration primarily achieves that the previously necessary press plates that are between neighboring Lamellar grinding wheel had to be arranged, omitted.
  • the glued grinding lamellas on the Flange front are arranged in the usual way, support with its inner edge on the one hand and with one in the On the other hand, the ring surface lying near the outer edge region on the support rings.
  • These support rings practice when Compress one of several to be produced Flap grinding discs existing block the necessary Pressure on these edge areas of the grinding flaps, the sufficient to hold the entire grinding flaps on both their Permanently define the underground as well as each other.
  • this embodiment of the invention also consists in the fact that the grinding flaps essentially only supported at their edge areas and with the applied pressure are applied so that the area remaining between the support rings Flange back is not burdened by the grinding flaps.
  • This area is therefore also used for falling abrasive grains not scratched during the pressing process or in any other way Way damaged. For this reason, can be preferred Way the flange back between the support rings as one be printable area designed for advertising purposes or user information can be used.
  • the larger support ring in diameter is on formed outer edge of the flange back.
  • the inner Support ring starting from a rising transition area from the flange back to the hub and the outer support ring through a bead on the outer edge of the flange back be educated. This creates the greatest pressure on the inside Border edge and in the outer edge area, which leads to a ring compound and partially overlapping each other Grinding flaps exercised. This means that when grinding particularly heavily loaded edge areas securely glued, whereby the stiffness of the individual grinding flaps the transmission sufficient pressure also in the interior this grinding flap ring ensures that sufficient Gluing takes place.
  • the transition region can preferably be a fillet surface be trained. But it is also possible Design the transition area as a flat inclined surface.
  • the carrier plate 1 shown in section in the drawing for a lamellar grinding wheel 2 has a hub part 3 and one Flange 4 on.
  • On the flange front 5 are grinding flaps 6 arranged in a partially overlapping form, as is typical for flap discs of this type is.
  • On the flange back 7 there are two support rings 8 and 9 trained on which the grinding flaps 6 are supported, the ring formed from the individual grinding lamellae with its inner edge facing away from the carrier plate 1 10 on the support ring 8 and with a further outside Area 11 is supported on the support ring 9.
  • the support ring 8 is designed as a fillet surface, while the support ring 9 formed as a bead on the outer edge of the flange back 7 is.
  • flap discs 2 are for the adhesive operation under pressure on a stand 13 plugged with thru axle 14, the thru axle 14 a Has outer diameter that is only slightly smaller than the diameter of the receiving bore 15 of the carrier plate 1.

Abstract

The rear side of the flange (7) has two concentric ring supporting surfaces (8,9) on the inside and outside rims of the flange rear side. The surfaces project beyond the flange rear to serve as mounting for the disk (6) placed on the nearest lamellar grinding wheel (2). The inner ring surface (8) is formed by a rising transition area from the flange rear face to the wheel boss (3) as against the outer (9) which consists of a bead or shoulder on the outside rim of the flange rear. The transition area can form a hollow throat or a smooth ramp and the rear face of the flange should be capable of taking print (17) between the ring surfaces (8,9).

Description

Die Erfindung bezieht sich auf einen Trägerteller für Lamellenschleifscheiben mit einer Nabe für die Antriebswelle und einem Flansch für die aufzuklebenden Schleiflamellen. Ein solcher Trägerteller ist z.B. im Dokument DE 298 05 508 U offenbart.The invention relates to a carrier plate for flap discs with a hub for the drive shaft and one Flange for the grinding flaps to be glued. Such a carrier plate is e.g. disclosed in document DE 298 05 508 U.

Bei Trägertellern dieser Art ist es bei der Herstellung der Lamellenschleifscheiben erforderlich, daß auf jeden mit Schleiflamellen bestückten Trägerteller eine Preßplatte aufgelegt werden muß, wobei mehrere bestückte Trägerteller und jeweils dazwischenliegende Preßplatten zu einem Block zusammengefaßt und im verpreßten Zustand über längere Zeit in einem Klimaschrank eingelagert werden, um ein Aushärten des zur Befestigung der Schleiflamellen auf der Flanschvorderseite verwendeten Klebers zu bewirken. Diese Herstellungsart ist sehr aufwendig, da jeweils zwischen mehrere Trägerteller die Preßplatten eingelegt und nach dem Aushärten wieder aussortiert werden müssen, worauf die Preßplatten einer Reinigung unterzogen werden müssen, da sie anhaftenden Kleber und abgefallene Schleifkörner aufweisen.With carrier plates of this type, it is in the manufacture of the flap discs required that on everyone with abrasive flaps equipped carrier plate a press plate can be placed must, with several loaded carrier plates and each in between Press plates combined into a block and in the compressed state for a long time in a climatic cabinet be stored to harden the attachment of the grinding flaps on the front of the flange Effect glue. This type of production is very complex, since the press plates between several carrier plates inserted and sorted out after curing must, after which the press plates are cleaned need to be, as they are adhesive and fallen off Have abrasive grains.

Aufgabe der Erfindung ist es, durch eine entsprechende Gestaltung der Trägerteller die Verwendung von Preßplatten und die damit verbundenen Nachteile zu vermeiden.The object of the invention is, by an appropriate design the carrier plate the use of press plates and to avoid the associated disadvantages.

Diese Aufgabe wird bei einem Trägerteller der eingangs erläuterten Art erfindungsgemäß dadurch gelöst, daß die Flanschrückseite zwei konzentrische, gegenüber der Flanschrückseite hervorstehende Stützringe an der Flanschrückseite aufweist, die zur Aufnahme der auf der Flanschvorderseite der aufzusetzenden, nächsten Lamellenschleifscheibe angeordneten Schleiflamellen dienen.This task is explained in the case of a carrier plate Art solved according to the invention in that the flange back two concentric, opposite the flange back protruding support rings on the back of the flange, those to accommodate the ones to be placed on the front of the flange arranged next grinding disc Serve grinding flaps.

Durch diese Ausgestaltung wird in erster Linie erreicht, daß die bisher notwendigen Preßplatten, die zwischen benachbarten Lamellenschleifscheibe angeordnet werden mußten, entfallen. Die mit Klebstoff versehenen Schleiflamellen, die auf der Flanschvorderseite in üblicher Weise angeordnet sind, stützen sich mit ihrem inneren Rand einerseits und mit einer in der Nähe des äußeren Randbereiches liegenden Ringfläche andererseits an den Stützringen ab. Diese Stützringe üben beim Zusammenpressen eines aus mehreren herzustellenden Lamellenschleifscheiben bestehenden Blockes den notwendigen Druck auf diese Randbereiche der Schleiflamellen aus, der ausreicht, um die gesamten Schleiflamellen sowohl an ihrem Untergrund als auch untereinander dauerhaft festzulegen. Ein wesentlicher Vorteil bei dieser erfindungsgemäßen Ausgestaltung besteht auch noch darin, daß die Schleiflamellen im wesentlichen nur an ihren Randbereichen abgestützt und mit dem aufgewendeten Preßdruck beaufschlagt werden, so daß der zwischen den Stützringen verbleibende Bereich der Flanschrückseite nicht von den Schleiflamellen belastet wird. Dieser Bereich wird somit auch bei abfallenden Schleifkörnern während des Preßvorganges nicht verkratzt oder in sonstiger Weise beschädigt. Aus diesem Grunde kann in bevorzugter Weise die Flanschrückseite zwischen den Stützringen als eine bedruckbare Fläche ausgebildet sein, die zu Werbezwecken oder Benutzerinformationen verwendet werden kann.This configuration primarily achieves that the previously necessary press plates that are between neighboring Lamellar grinding wheel had to be arranged, omitted. The glued grinding lamellas on the Flange front are arranged in the usual way, support with its inner edge on the one hand and with one in the On the other hand, the ring surface lying near the outer edge region on the support rings. These support rings practice when Compress one of several to be produced Flap grinding discs existing block the necessary Pressure on these edge areas of the grinding flaps, the sufficient to hold the entire grinding flaps on both their Permanently define the underground as well as each other. On significant advantage in this embodiment of the invention also consists in the fact that the grinding flaps essentially only supported at their edge areas and with the applied pressure are applied so that the area remaining between the support rings Flange back is not burdened by the grinding flaps. This area is therefore also used for falling abrasive grains not scratched during the pressing process or in any other way Way damaged. For this reason, can be preferred Way the flange back between the support rings as one be printable area designed for advertising purposes or user information can be used.

Vorzugsweise ist der im Durchmesser größere Stützring am äußeren Rand der Flanschrückseite ausgebildet.Preferably, the larger support ring in diameter is on formed outer edge of the flange back.

In vorteilhafter Ausgestaltung der Erfindung kann der innere Stützring durch einen ansteigenden Übergangsbereich ausgehend von der Flanschrückseite zur Nabe und der äußere Stützring durch einen Wulst am Außenrand der Flanschrückseite gebildet sein. Hierdurch wird der größte Druck an der inneren Randkante und im äußeren Randbereich, der zu einem Ring zusammengesetzter und einander teilweise überlappender Schleiflamellen ausgeübt. Hierdurch werden die beim Schleifen besonders stark belasteten Randbereiche sicher verklebt, wobei die Steifigkeit der einzelnen Schleiflamellen die Übertragung eines ausreichenden Druckes auch in den Innenbereich dieses Schleiflamellenringes gewährleistet, so daß eine ausreichende Verklebung stattfindet.In an advantageous embodiment of the invention, the inner Support ring starting from a rising transition area from the flange back to the hub and the outer support ring through a bead on the outer edge of the flange back be educated. This creates the greatest pressure on the inside Border edge and in the outer edge area, which leads to a ring compound and partially overlapping each other Grinding flaps exercised. This means that when grinding particularly heavily loaded edge areas securely glued, whereby the stiffness of the individual grinding flaps the transmission sufficient pressure also in the interior this grinding flap ring ensures that sufficient Gluing takes place.

Der Übergangsbereich kann in bevorzugter Weise als Hohlkehlenfläche ausgebildet sein. Es ist aber auch möglich diesen Übergangsbereich als ebene Schrägfläche auszubilden.The transition region can preferably be a fillet surface be trained. But it is also possible Design the transition area as a flat inclined surface.

Die Erfindung wird nachfolgend anhand von in der Zeichnung dargestellten Ausführungsbeispielen näher erläutert:The invention is described below with reference to the drawing illustrated embodiments explained in more detail:

In der Zeichnung zeigen:

Figur 1:
einen Schnitt durch einen Trägerteller einer Lamellenschleifscheibe;
Figur 2:
einen Schnitt durch zwei für den Preßvorgang übereinandergelegte Trägerteller mit jeweils angeordneten Schleiflamellen;
Figur 3:
einen Schnitt durch einen Trägerteller einer Lamellenschleifscheibe in abgewandelter Ausführungsform; und
Figur 4:
eine der Figur 2 entsprechende Darstellung für die abgeänderten Trägerteller.
The drawing shows:
Figure 1:
a section through a support plate of a flap disc;
Figure 2:
a section through two superimposed support plates for the pressing process, each with arranged grinding lamellae;
Figure 3:
a section through a support plate of a flap disc in a modified embodiment; and
Figure 4:
a representation corresponding to Figure 2 for the modified carrier plate.

Der in der Zeichnung im Schnitt dargestellte Trägerteller 1 für eine Lamellenschleifscheibe 2 weist einen Nabenteil 3 und einen Flansch 4 auf. An der Flanschvorderseite 5 sind Schleiflamellen 6 in jeweils teilweise überlappender Form angeordnet, wie dies für Lamellenschleifscheiben dieser Art typisch ist. An der Flanschrückseite 7 sind zwei Stützringe 8 und 9 ausgebildet, an denen sich die Schleiflamellen 6 abstützen, wobei der aus den einzelnen Schleiflamellen gebildete Ring sich mit seiner, dem Trägerteller 1 abgewandten, Innenrandkante 10 an dem Stützring 8 und mit einem weiter außen gelegenen Bereich 11 an dem Stützring 9 abstützt. Der Stützring 8 ist als Hohlkehlenfläche ausgebildet, während der Stützring 9 als Wulst am Außenrand der Flanschrückseite 7 ausgebildet ist. Die Fixierung der dem Trägerteller zugewandten Innenrandkante 10a der Schleiflamellen 6 erfolgt beim Pressvorgang durch einen auf der Flanschvorderseite 5 ausgebildeten geringen Absatz 12, an dem sich diese radial innen gelegenen Kanten der Schleiflamellen abstützen, wodurch der aus den Schleiflamellen gebildete Ring in seinem Durchmesser eindeutig festgelegt ist.The carrier plate 1 shown in section in the drawing for a lamellar grinding wheel 2 has a hub part 3 and one Flange 4 on. On the flange front 5 are grinding flaps 6 arranged in a partially overlapping form, as is typical for flap discs of this type is. On the flange back 7 there are two support rings 8 and 9 trained on which the grinding flaps 6 are supported, the ring formed from the individual grinding lamellae with its inner edge facing away from the carrier plate 1 10 on the support ring 8 and with a further outside Area 11 is supported on the support ring 9. The support ring 8 is designed as a fillet surface, while the support ring 9 formed as a bead on the outer edge of the flange back 7 is. The fixation of the inner edge facing the carrier plate 10a of the grinding flaps 6 takes place during the pressing process by a small one formed on the flange front side 5 Paragraph 12, on which these radially inner edges support the grinding flaps, which means that from the Grinding lamella formed ring in its diameter clearly is set.

Wie aus Figur 2 ersichtlich, liegt die Innenrandkante 10 des Schleiflamellenringes an dem zum Nabenteil 3 ansteigenden Bereich der Hohlkehlenfläche an, die mit 8 bezeichnet ist. In Verbindung mit der Abstützung der Schleiflamellen auf dem Wulst, der den Stützring 9 bildet, verbleibt ein freier Raum 16 zwischen der Flanschrückseite 7 und den Schleiflamellen der aufgesetzten Lamellenschleifscheibe. Hierdurch wird eine Beschädigung dieses Flanschbereiches zwischen den Stützring vermieden, der als bedruckbare Fläche 17 dient.As can be seen from Figure 2, the inner edge 10 of the Grinding flap ring on the rising to the hub part 3 Area of the fillet surface, which is designated by 8. In Connection with the support of the grinding flaps on the Bead, which forms the support ring 9, remains a free space 16 between the flange back 7 and the grinding lamellae of attached lamellar grinding wheel. This will damage it this flange area between the support ring avoided, which serves as a printable surface 17.

Mehrerer solcher Lamellenschleifscheiben 2 werden für den unter Druck erfolgenden Klebevorgang auf einen Ständer 13 mit Steckachse 14 aufgesteckt, wobei die Steckachse 14 einen Außendurchmesser aufweist, der nur geringfügig kleiner ist als der Durchmesser der Aufnahmebohrung 15 des Trägertellers 1.Several such flap discs 2 are for the adhesive operation under pressure on a stand 13 plugged with thru axle 14, the thru axle 14 a Has outer diameter that is only slightly smaller than the diameter of the receiving bore 15 of the carrier plate 1.

Der in Figur 3 dargestellte Trägerteller sowie in Figur 4 dargestellten übereinandergelegten Trägerteller sind weitgehend ähnlich mit denjenigen nach den Figuren 1 und 2, weshalb für gleiche Teile die gleichen Bezugszahlen verwendet sind.The carrier plate shown in Figure 3 and shown in Figure 4 superimposed carrier plates are largely similar to those according to Figures 1 and 2, which is why for same parts the same reference numbers are used.

Der einzige Unterschied zu der zuerst beschriebenen Ausführungsform besteht bei dem Trägerteller nach Figur 3 darin, dass der innere Stützring 8a nicht wie bei der ersten Ausführungsform an der Hohlkehle 8 des Nabenteiles 3, sondern als Hohlkehle an einem Wulst 8b ausgebildet ist. Dies ist dadurch begründet, dass der Trägerteller 1a einen wesentlich größeren Durchmesser als der Trägerteller 1 nach Figur 1 aufweist, die einzelnen Schleiflamellen aber die gleichen Abmessungen wie bei der Ausführungsform nach Figur 2 aufweisen, weshalb ein weiter außen gelegener Stützring erforderlich ist. Im übrigen bestehen keine weiteren Unterschiede zu dem Trägerteller nach Figur 1, weshalb auf die Beschreibung zu den Figuren 1 und 2 verwiesen wird.The only difference from the first described embodiment in the carrier plate according to FIG. 3, that the inner support ring 8a is not as in the first embodiment on the fillet 8 of the hub part 3, but as Groove is formed on a bead 8b. This is because of it justifies that the carrier plate 1a a much larger Diameter than the carrier plate 1 according to Figure 1, the individual grinding flaps but the same dimensions as have in the embodiment of Figure 2, which is why support ring located further out is required. Furthermore there are no further differences to the carrier plate according to Figure 1, which is why on the description of Figures 1 and 2 is referred.

Claims (6)

  1. Backing pad for abrasive flap discs, having a hub for the drive shaft and a flange for the abrasive flaps to be adhesively bonded in place, characterized in that the flange rear side (7) has two concentric supporting rings (8, 9) which pr oject from the flange rear side and serve to accommodate the abrasive flaps (6) arranged on the next abrasive flap disc (2) to be put on the flange front side (5).
  2. Backing pad according to Claim 1, characterized in that the supporting ring (9) of large r diameter is formed on the outer margin of the flange rear side (7).
  3. Backing pad according to Claim 1 or 2, characterized in that the inner supporting ring (8) is formed by a rising transition region, starting from the flange rear side (7) towards the hub (3), and the outer supporting ring (9) is formed by a bead on the outer margin of the flange rear side (7).
  4. Backing pad according to Claim 3, characterized in that the transition region is designed as a fillet surface (8).
  5. Backing pad according to Claim 3, characterized in that the transition region is designed as a flat inclined surface.
  6. Backing pad according to one of Claims 1 to 5, characterized in that the flange rear side (7) between the supporting ring surfaces (8, 9) is designed as a printable surface (17).
EP00106457A 1999-08-16 2000-03-24 Holding disc for flap grinding wheel Expired - Lifetime EP1095737B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29914325U 1999-08-16
DE29914325U DE29914325U1 (en) 1999-08-16 1999-08-16 Carrier plate for flap discs

Publications (3)

Publication Number Publication Date
EP1095737A2 EP1095737A2 (en) 2001-05-02
EP1095737A3 EP1095737A3 (en) 2003-06-04
EP1095737B1 true EP1095737B1 (en) 2004-11-24

Family

ID=8077586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00106457A Expired - Lifetime EP1095737B1 (en) 1999-08-16 2000-03-24 Holding disc for flap grinding wheel

Country Status (4)

Country Link
EP (1) EP1095737B1 (en)
AT (1) ATE283148T1 (en)
DE (3) DE29914325U1 (en)
ES (1) ES2157865T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010008407A1 (en) * 2010-02-18 2011-08-18 Klingspor AG, 35708 Rotation disk for processing material surfaces

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10106631A1 (en) 2001-02-12 2002-08-22 Rueggeberg August Gmbh & Co Carrying plate for flap disc and flap disc
ITMI20101017A1 (en) * 2010-06-08 2011-12-09 C L M S Societa Cooperativa LAMELLAR DISC

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9001995U1 (en) * 1990-02-20 1990-04-26 Lukas-Erzett Vereinigte Schleif- Und Fraeswerkzeugfabriken Gmbh & Co Kg, 5250 Engelskirchen, De
DE9002385U1 (en) * 1990-03-01 1990-05-03 Wendt, Guenther, 5227 Windeck, De
DE9017256U1 (en) * 1990-12-21 1991-03-14 Wendt, Guenther, 5227 Windeck, De
DE29805508U1 (en) * 1998-03-26 1998-05-20 Lukas Erzett Schleif Fraes Tool, in particular grinding or polishing tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010008407A1 (en) * 2010-02-18 2011-08-18 Klingspor AG, 35708 Rotation disk for processing material surfaces

Also Published As

Publication number Publication date
ES2157865T3 (en) 2005-05-16
ES2157865T1 (en) 2001-09-01
DE50008733D1 (en) 2004-12-30
EP1095737A2 (en) 2001-05-02
ATE283148T1 (en) 2004-12-15
EP1095737A3 (en) 2003-06-04
DE29914325U1 (en) 1999-12-23
DE20005548U1 (en) 2000-08-10

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