ES2762970A1 - Segmented cutting disc, for racing on the floor or on the wall. (Machine-translation by Google Translate, not legally binding) - Google Patents
Segmented cutting disc, for racing on the floor or on the wall. (Machine-translation by Google Translate, not legally binding) Download PDFInfo
- Publication number
- ES2762970A1 ES2762970A1 ES201831143A ES201831143A ES2762970A1 ES 2762970 A1 ES2762970 A1 ES 2762970A1 ES 201831143 A ES201831143 A ES 201831143A ES 201831143 A ES201831143 A ES 201831143A ES 2762970 A1 ES2762970 A1 ES 2762970A1
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- ES
- Spain
- Prior art keywords
- disc
- teeth
- edge
- welded
- segments
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/12—Saw-blades or saw-discs specially adapted for working stone
- B28D1/121—Circular saw blades
-
- 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
- B24D5/12—Cut-off wheels
- B24D5/123—Cut-off wheels having different cutting segments
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
Description
DESCRIPCIÓNDESCRIPTION
Disco de corte segmentado, para realizar regatas en el suelo o en la pared. Segmented cutting disc, for racing on the floor or on the wall .
Sector de la técnicaTechnique sector
Como su propio título indica, el objeto de la invención es un disco del tipo de los que presenta un filo discontinuo o segmentado, destinado a cortar piedra, hormigón, asfalto, materiales pétreos o de tipo similares a los que se emplean habitualmente en la construcción de suelos y paredes de edificios: Más concretamente este disco está destinado a realizar una regata o ranura en la que se insertará un conductor o canalización, posteriormente a la construcción del edificio.As its own title indicates, the object of the invention is a disc of the type that has a discontinuous or segmented edge, intended for cutting stone, concrete, asphalt, stone materials or similar in type to those commonly used in construction of floors and walls of buildings: More specifically, this disc is intended for a regatta or slot in which a conductor or pipe will be inserted, after the construction of the building.
El sector de la técnica en el que se encuadra es el de las herramientas para trabajar con muela, pulir o cortar cualquier tipo de material.The technical sector in which it falls is that of tools for working with grinding wheels, polishing or cutting any type of material.
Estado de la técnicaState of the art
Existen varias referencias en el estado de la técnica de sobre discos de corte segmentados, ya que resultan idóneos para cortar materiales duros y frágiles, evitando al mismo tiempo problemas de refrigeración. Por ejemplo, en los documentos US2818850 y US3069816 se describen discos de esta naturaleza.There are several references in the state of the art of segmented cutting discs, since they are ideal for cutting hard and fragile materials, while avoiding refrigeration problems. For example, discs of this nature are described in US2818850 and US3069816.
Este tipo de discos de corte tienen un núcleo circular y una serie de dientes, que presentan en el borde arqueado que define la superficie del disco unos segmentos cortantes que contienen polvo de diamante en dispersión u otro tipo de abrasivo sobre una matriz metálica, a través de la que se sueldan al borde del núcleo de acero, que se ha dividido en una pluralidad de secciones de soporte que tienen superficies periféricas para sostener dichos segmentos. Estas secciones de soporte están separadas por espacios entre dientes, que compensan los grandes esfuerzos térmicos creados en el disco por el calentamiento por rozamiento de su periferia durante las operaciones de corte. Este tipo de discos segmentados han sido implantados en aquellas industrias que someten los discos a operaciones rudas, como es el corte de hormigón o de otros materiales de construcción.This type of cutting discs have a circular core and a series of teeth, which present on the arched edge that defines the surface of the disc some cutting segments that contain dispersed diamond dust or another type of abrasive on a metal matrix, through from which they are welded to the edge of the steel core, which has been divided into a plurality of support sections having peripheral surfaces to support said segments. These support sections are separated by spaces between teeth, which compensate for the great thermal stresses created in the disc by the friction heating of its periphery during cutting operations. This type of segmented discs have been implanted in those industries that subject the discs to rough operations, such as cutting concrete or other construction materials.
En la actualidad, cuando se trata de practicar una regata o ranura en el suelo o pared, con un cierto ancho a fin de se pueda introducir en ella una canalización o conductor, por ejemplo destinada a instalar fibra óptica en un edificio ya terminado, se recurre al montaje de tres o más discos en paralelo, sobre la misma máquina, para conseguir de esta forma hacer simultáneamente sucesivos cortes paralelos, que en su conjunto conforman una regata con un ancho suficiente para los fines propuestos. Los sucesivos discos se montan separados ligeramente, de forma que el material arrancado al trabajar la herramienta se va insertando entre ellos hasta obturar completamente la separación existente inicialmente entre discos, lo que provoca un excesivo calentamiento de los mismos y por tanto la necesidad de desmontarlos y una vez limpios de los residuos del corte, volver a montarlos nuevamente. Además del consiguiente descenso del tiempo en el que los discos están en uso, se produce un elevado desgaste en los mismos por trabajar en condiciones de escasa refrigeración, a pesar de que se trate de discos segmentados.Currently, when it comes to practicing a regatta or groove on the floor or wall, with a certain width in order to introduce a conduit or conductor, for example intended to install fiber optics in a finished building, three or more disks are used in parallel, on the same machine, in order to simultaneously make successive parallel cuts, which together make up a regatta with a width enough for the proposed purposes. The successive discs are mounted slightly separated, so that the material removed when working the tool is inserted between them until completely closing the gap between the discs initially, which causes excessive heating of the discs and therefore the need to disassemble and once cleaned of the residue of the cut, reassemble them again. In addition to the consequent decrease in the time in which the discs are in use, there is high wear and tear on them because they work in conditions of low refrigeration, despite the fact that they are segmented discs.
Explicación de la invenciónExplanation of the invention
Basándose en la técnica anterior, un objetivo de la presente invención es proporcionar un disco de corte del tipo indicado, que tiene las características de la reivindicación 1, y por tanto permite la consecución de una regata sin necesidad de cambiar constantemente el disco de la máquina y sin que éste sufra un deterioro mayor que cada uno de los discos montados en paralelo en la técnica anterior.Based on the prior art, an objective of the present invention is to provide a cutting disc of the indicated type, which has the characteristics of claim 1, and therefore allows the achievement of a race without the need to constantly change the disc of the machine and without this suffering greater deterioration than each of the discs mounted in parallel in the prior art.
Para ello, cada uno de los segmentos soldados en el borde arqueado de los dientes que conforman el disco de corte está formado por varias placas abrasivas, de diferentes durezas, fusionadas entre sí por sinterización, de forma que quedan anexas y sin espacios entre ellas, colocadas longitudinalmente con respecto al disco. El hecho de que las placas sean de distinta dureza propicia que con el uso del disco se desgasten de forma no uniforme, conformando al cabo de un tiempo una superficie abrasiva transversalmente no recta, lo que facilita la extracción del material arrancado durante el corte.For this, each of the segments welded on the arched edge of the teeth that make up the cutting disc is formed by several abrasive plates, of different hardnesses, fused together by sintering, so that they are attached and without spaces between them, placed longitudinally with respect to the disc. The fact that the plates are of different hardness favors that with the use of the disc they wear non-uniformly, forming after a time a transversely non-straight abrasive surface, which facilitates the extraction of the torn material during the cut.
En una realización preferente se ha previsto que cada segmento este formado por placas abrasivas de al menos dos tipos de durezas diferentes y que el número de placas que conforman cada segmento esté comprendido entre tres y siete. A fin de que la regata quede bien definida en sus bordes, se ha previsto que el número de placas sea impar y que las placas situadas en los extremos sean las de mayor dureza.In a preferred embodiment, it is provided that each segment is made up of abrasive plates of at least two different types of hardness and that the number of plates that make up each segment is between three and seven. In order for the regatta to be well defined at its edges, it has been planned that the number of plates is odd and that the plates located at the ends are those with the greatest hardness.
Finalmente se ha previsto también que los segmentos, una vez soldados en el borde arqueado de los dientes del disco, dispongan de una placa de protección de dicha soldadura, que a su vez se suelda por el canto de cada uno de los segmentos por la cara de ataque de los mismos durante el corte, según el sentido de giro del disco.Finally, it is also provided that the segments, once welded to the arched edge of the teeth of the disc, have a protection plate for said welding, which in turn is welded by the edge of each of the segments on the attack face of the same during cutting, according to the direction of rotation of the disc.
Descripción de los dibujosDescription of the drawings
Para complementar la descripción que se está realizando y con objeto de facilitar la comprensión de las características de la invención, se acompaña a la presente memoria descriptiva un juego de dibujos en los que, con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being made and in order to facilitate the understanding of the characteristics of the invention, a set of drawings is attached to the present descriptive memory in which, by way of illustration and not limitation, the following has been represented:
La figura 1 muestra una vista de un disco de corte (1).Figure 1 shows a view of a cutting disc (1).
La figura 2 muestra una vista en alzado de uno de los segmentos (3) soldado en el borde de uno de los dientes (2) que presenta el disco (1).Figure 2 shows an elevation view of one of the segments (3) welded on the edge of one of the teeth (2) that presents the disc (1).
La figura 3 es una vista en perspectiva lateral de uno de los segmentos (3).Figure 3 is a side perspective view of one of the segments (3).
Las figuras 4 y 5 muestran una vista según un corte diametral del disco (1) de uno de los segmentos (3), respectivamente por la cara posterior y anterior según el sentido de giro de dicho disco (1).Figures 4 and 5 show a view according to a diametrical section of the disc (1) of one of the segments (3), respectively from the rear and front face, according to the direction of rotation of said disc (1).
La figura 6 muestra una vista equivalente a la anterior figura 4 de un segmento usado.Figure 6 shows a view equivalent to the previous figure 4 of a used segment.
Realización de la invenciónEmbodiment of the invention
Como se puede observar en las figuras referenciadas el disco de corte para realizar regatas en el suelo o pared comprende un núcleo en forma de disco circular (1) que presenta periféricamente una serie de dientes (2) que se disponen separados a fin de compensar los esfuerzos térmicos creados en el disco por el calentamiento por rozamiento de su periferia durante las operaciones de corte. En los bordes de los dientes (2) se fijan unos segmentos cortantes (3), que presenta una matriz metálica a través de la que se sueldan al borde de los dientes (2) del núcleo de acero (1). Cada uno de los segmentos (3) está formado por varias placas abrasivas (4), de diferentes durezas, fusionadas por sinterización, anexas y dispuestas longitudinalmente con respecto al disco (1), que con el uso del disco se desgastan de forma no uniforme conformando una superficie abrasiva, transversalmente no recta, que facilita la extracción del material arrancado durante el corte (ver Fig. 6). As can be seen in the referenced figures, the cutting disc for regattas on the floor or wall comprises a circular disc-shaped core (1) that peripherally presents a series of teeth (2) that are arranged separately in order to compensate for the thermal stresses created on the disc by friction heating of its periphery during cutting operations. Cutting segments (3) are fixed to the edges of the teeth (2), which have a metal matrix through which they are welded to the edge of the teeth (2) of the steel core (1). Each of the segments (3) is formed by several abrasive plates (4), of different hardnesses, fused by sintering, attached and arranged longitudinally with respect to the disc (1), which with the use of the disc wear out non-uniformly forming an abrasive surface, transversely not straight, that facilitates the extraction of the material torn off during the cut (see Fig. 6).
A este efecto, cada segmento (3) soldado en el borde arqueado de los dientes (2), está formado placas abrasivas (4) de al menos dos tipos de durezas diferentes. Habiéndose previsto que las placas abrasivas (4) situadas en los extremos de cada segmento (3) sean del tipo de las que tienen mayor dureza, entre conjunto de las placas (4) que forma cada segmento. Por este motivo, el número de placas (4) que forman cada segmento preferentemente es impar.For this purpose, each segment (3) welded on the arched edge of the teeth (2), abrasive plates (4) of at least two different types of hardness are formed. Having provided that the abrasive plates (4) located at the ends of each segment (3) are of the type with the highest hardness, among all the plates (4) that each segment forms. For this reason, the number of plates (4) that make up each segment is preferably odd.
Está previsto colocar las placas abrasivas (4) alternadas las de durezas diferentes (4a—4b-4a ...) dura, blanda, dura...... por ejemplo, para que al producirse el desgaste de los segmentos cortantes (3) se produzca una superficie transversalmente ondulada, no recta que evacúe fácilmente el material extraído durante el corte de la regata.It is planned to place the abrasive plates (4) alternating with those of different hardnesses (4a — 4b-4a ...) hard, soft, hard ...... for example, so that when the cutting segments wear (3 ) a non-straight, cross-wavy surface is produced that easily evacuates the material removed during the race cut.
En el ejemplo representado cada segmento (3), soldado en el borde arqueado de los dientes (2), está formado por cinco placas (4); no obstante, serían posibles otras realizaciones con un número de placas (4) comprendido entre tres y siete, lo importante es que sean de distinta dureza para conseguir distintos desgastes en sentido transversal para que la superficie abrasiva no sea recta y por tanto expulse fácilmente el material cortado o pulido del fondo de la regata en formación.In the example represented, each segment (3), welded on the arched edge of the teeth (2), is formed by five plates (4); however, other embodiments would be possible with a number of plates (4) between three and seven, the important thing is that they are of different hardness to achieve different wear in the transverse direction so that the abrasive surface is not straight and therefore easily ejects the material cut or polished from the bottom of the regatta in formation.
Las placas (4) que forman los segmentos cortantes (3) contienen polvo de diamante en dispersión u otro tipo de abrasivo sobre una matriz metálica, a través de la que se sueldan al borde de los dientes de acero (2). En las diversas figuras se aprecia que los segmentos (3) disponen de una placa de protección de dicha soldadura, dispuesta en el canto de cada uno de los segmentos (3) por la cara de ataque de los mismos durante el corte, según el sentido de giro del disco (1).The plates (4) that form the cutting segments (3) contain dispersed diamond powder or another type of abrasive on a metal matrix, through which they are welded to the edge of the steel teeth (2). In the various figures, it can be seen that the segments (3) have a protection plate for said weld, arranged on the edge of each of the segments (3) by their attack face during cutting, according to the direction of rotation of the disc (1).
Una vez descrita la naturaleza de la invención, así como un ejemplo de realización preferente, resulta de manera evidente que la invención es susceptible de aplicación industrial, en el sector indicado.Once the nature of the invention has been described, as well as a preferred embodiment, it is evident that the invention is capable of industrial application, in the indicated sector.
Asimismo se hace constar a los efectos oportunos que los materiales, forma, tamaño y disposición de los elementos descritos podrán ser modificados, siempre y cuando ello no suponga una alteración de las características esenciales de la invención que se reivindican a continuación: Likewise, it is stated for the appropriate purposes that the materials, shape, size and arrangement of the described elements may be modified, provided that this does not imply an alteration of the essential characteristics of the invention, as claimed below:
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201831143A ES2762970A1 (en) | 2018-11-26 | 2018-11-26 | Segmented cutting disc, for racing on the floor or on the wall. (Machine-translation by Google Translate, not legally binding) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201831143A ES2762970A1 (en) | 2018-11-26 | 2018-11-26 | Segmented cutting disc, for racing on the floor or on the wall. (Machine-translation by Google Translate, not legally binding) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2762970A1 true ES2762970A1 (en) | 2020-05-26 |
Family
ID=70767035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES201831143A Withdrawn ES2762970A1 (en) | 2018-11-26 | 2018-11-26 | Segmented cutting disc, for racing on the floor or on the wall. (Machine-translation by Google Translate, not legally binding) |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2762970A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3028710A (en) * | 1959-05-08 | 1962-04-10 | Vanguard Abrasive Corp | Abrasive cut-off disk |
| EP0133124A1 (en) * | 1983-07-26 | 1985-02-13 | Michel Durand | Diamond cutting segments for circular saws, in particular for cutting natural stone, and circular saw provided with such cutting segments |
| WO2000013867A1 (en) * | 1998-09-07 | 2000-03-16 | Diamant Boart S.A. | Sawing method for stone-cutting, diamond-bearing segment for cutting tool and cutting tool equipped with same |
| US20020115399A1 (en) * | 2001-02-19 | 2002-08-22 | Chang Hyun Lee | Diamond saw blade equipped with undercut preventing tip |
| ES2191047T3 (en) * | 1994-05-13 | 2003-09-01 | Saint Gobain Abrasives Inc | IMPROVED SUPERABRASIVE TOOL. |
| CN108582502A (en) * | 2018-05-07 | 2018-09-28 | 江苏锋泰工具有限公司 | Diamond saw blade and preparation method thereof |
-
2018
- 2018-11-26 ES ES201831143A patent/ES2762970A1/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3028710A (en) * | 1959-05-08 | 1962-04-10 | Vanguard Abrasive Corp | Abrasive cut-off disk |
| EP0133124A1 (en) * | 1983-07-26 | 1985-02-13 | Michel Durand | Diamond cutting segments for circular saws, in particular for cutting natural stone, and circular saw provided with such cutting segments |
| ES2191047T3 (en) * | 1994-05-13 | 2003-09-01 | Saint Gobain Abrasives Inc | IMPROVED SUPERABRASIVE TOOL. |
| WO2000013867A1 (en) * | 1998-09-07 | 2000-03-16 | Diamant Boart S.A. | Sawing method for stone-cutting, diamond-bearing segment for cutting tool and cutting tool equipped with same |
| US20020115399A1 (en) * | 2001-02-19 | 2002-08-22 | Chang Hyun Lee | Diamond saw blade equipped with undercut preventing tip |
| CN108582502A (en) * | 2018-05-07 | 2018-09-28 | 江苏锋泰工具有限公司 | Diamond saw blade and preparation method thereof |
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