EP1458528A2 - Cutting or grinding or drilling tool having low-height cutting or grinding layers, and method for producing a such a tool - Google Patents

Cutting or grinding or drilling tool having low-height cutting or grinding layers, and method for producing a such a tool

Info

Publication number
EP1458528A2
EP1458528A2 EP02792627A EP02792627A EP1458528A2 EP 1458528 A2 EP1458528 A2 EP 1458528A2 EP 02792627 A EP02792627 A EP 02792627A EP 02792627 A EP02792627 A EP 02792627A EP 1458528 A2 EP1458528 A2 EP 1458528A2
Authority
EP
European Patent Office
Prior art keywords
cutting
grinding
layer
base body
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.)
Granted
Application number
EP02792627A
Other languages
German (de)
French (fr)
Other versions
EP1458528B1 (en
Inventor
Hans Grüneis
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.)
Robert Bosch GmbH
Original Assignee
Dialux Diamantwerkzeuge GmbH
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Filing date
Publication date
Application filed by Dialux Diamantwerkzeuge GmbH filed Critical Dialux Diamantwerkzeuge GmbH
Publication of EP1458528A2 publication Critical patent/EP1458528A2/en
Application granted granted Critical
Publication of EP1458528B1 publication Critical patent/EP1458528B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/0054—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by impressing abrasive powder in a matrix
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
    • B24D3/08—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements for close-grained structure, e.g. using metal with low melting point
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates

Definitions

  • the present invention cutting, grinding or drilling tools with low height cutting or grinding layers.
  • Cut-off tools such as cut-off wheels, drill bits, milling and grinding tools or also ropes equipped with cutting beads which contain hard materials (preferably diamond) are known in a variety of ways from the prior art. In the majority of cases, the cutting elements are manufactured by sintering. Hard materials are only applied galvanically for a few applications.
  • the quality of such a tool is determined by three criteria:
  • EP-B-0 931 180 discloses a method for coating a cutting disc by melting the covering with a laser beam.
  • the cutting surfaces produced in this way basically have the same problem as sintered, i.e. the wear resistance of the bond holding the hard materials must be adapted to the intended use.
  • PCT / DE98 / 02947 it is known from PCT / DE98 / 02947 to provide a titanium-containing intermediate layer between the base body and the cutting surface in such a method in order to achieve greater adhesion of the cutting surface.
  • the object of the present invention is to provide a cutting, grinding or drilling tool with cutting or grinding layers of low height, which has the ease of cutting of an electroplated tool in the initial phase, but whose cutting surface allows hard material and bond wear and thus good service life values allows, the method for producing such tools should be inexpensive and lead to economical and versatile tools.
  • a cutting, grinding or drilling tool with cutting or grinding layers of low height consisting of a driven base body with an abrasive layer containing hard material grains or with segments, teeth or the like provided with an abrasive layer containing hard material grains, characterized in that the layer consists of a non-ferrous metal or a metal alloy, that the layer for receiving the hard material grains on the base body, the segments, teeth or the like is in an at least partially melted state and that the hard material grains are conveyed onto the melt by means of an air or gas conveyor jet and have at least partially penetrated into the melt
  • the base body and the segments or teeth are made of non-ferrous metal or the metal alloy
  • the layer of non-ferrous metal or a metal alloy is preferably applied to the base body, the segments or teeth in a melting process. brought, wherein the layer is subjected to a cooling and solidification process before applying the hard body.
  • the metal alloy is bronze.
  • the layer is preferably melted by a laser beam.
  • the layer can be melted electrically, such as by means of an induction loop.
  • the gas conveyor jet preferably consists of protective gas and the hard material particles preferably consist of diamond.
  • the layer is profiled.
  • a method for producing a cutting, grinding or drilling tool with cutting or grinding layers of low height, consisting of a driven base body with an abrasive layer containing hard material grains or with segments, teeth or the like provided with an abrasive layer containing hard material grains, is characterized according to the invention by the Steps:
  • the base body, the segments or teeth consist of the non-ferrous metal or the metal alloy.
  • the layer made of non-ferrous metal or a metal alloy is preferably applied to the base body, the segments or teeth in a melting process, the layer being subjected to a cooling and solidification process before the hard bodies are applied.
  • the layer is preferably melted by a laser beam.
  • the layer can be melted electrically, such as by means of an induction loop.
  • the gas conveyor jet preferably consists of protective gas and the hard material grains preferably consist of diamond.

Abstract

The invention relates to a cutting or grinding or drilling tool having low-height cutting or grinding layers, comprised of a driven base body with an abrasive layer containing hard material grains or with segments, teeth or the like all of which provided with an abrasive layer containing hard material grains. The invention is characterized in that the layer consists of a nonferrous metal or of a metal alloy, and in that the layer for accommodating the hard material grains on the base body, the segments, teeth or the like exists in an at least partially melted state.

Description

Schneid- Schleif- oder Bohrwerkzeug mit Schneid- oder Schleifschichten geringer Höhe, sowie Verfahren zur Herstellung eines solchen Werkzeugs Cutting, grinding or drilling tool with cutting or grinding layers of low height, and method for producing such a tool
Beschreibungdescription
Die vorliegende Erfindung Schneid- Schleif- oder Bohrwerkzeuge mit Schneidoder Schleifschichten geringer Höhe.The present invention cutting, grinding or drilling tools with low height cutting or grinding layers.
Trennschleifwerkzeuge wie Trennscheiben, Bohrkronen, Fräs- und Schleifwerk- zeuge oder auch mit Schneidperlen bestückte Seile, die Hartstoffe (vorzugsweise Diamant) enthalten sind in vielfältiger Art aus dem Stand der Technik bekannt. In den überwiegenden Fällen werden die Schneidelemente sintertechnisch hergestellt. Nur für wenige Anwendungen werden die Hartstoffe galvanisch aufgebracht.Cut-off tools such as cut-off wheels, drill bits, milling and grinding tools or also ropes equipped with cutting beads which contain hard materials (preferably diamond) are known in a variety of ways from the prior art. In the majority of cases, the cutting elements are manufactured by sintering. Hard materials are only applied galvanically for a few applications.
Die Qualität eines solchen Werkzeugs wird durch drei Kriterien bestimmt:The quality of such a tool is determined by three criteria:
- Höhe der Zerspanungsleistung,- amount of cutting power,
- Lebensdauer,- Lifespan,
- Preis. Es ist bekannt, dass Werkzeuge mit galvanischen Belägen beim Ersteinsatz immer eine sehr hohe Zerspanungsleistung haben. Aber nur in wenigen Anwendungen, wie z.B. dem Trennen von glasfaserverstärkten Kunststoffen, bleibt die hohe Leistungsfähigkeit für eine genügend lange Zeit erhalten, um die Wirtschaftlichkeit zu gewährleisten. Wird andererseits eine galvanisch belegte Trennscheibe z.B. zum Trennen von Granit verwendet, schneidet diese kurze Zeit sehr gut, die Leistungsfähigkeit sinkt dann aber schnell auf fast Null, da exponierte Hartstofϊkörner an- polieren. Gesinterte Schneidbeläge erreichen die Zerspanungsleistung eines neuen galvanisch hergestellten Schneidbelags nicht. Die Schneidbeläge sind jedoch sehr variabel herstellbar, da Sintermetalle, Hartstoffmenge, Hartstoffqualität und die Abmessungen der Scheidbeläge in weiten Bereichen frei wählbar sind. Unter der Einschränkung, dass für unterschiedliche Anwendungen auch unterschiedliche Schneidbelagvariationen eingesetzt werden müssen, sind so hergestellte Werkzeuge auch wirtschaftlich.- price. It is known that tools with galvanic coatings always have a very high cutting performance when used for the first time. But only in a few applications, such as the cutting of glass fiber reinforced plastics, does the high level of performance remain for a sufficiently long time to ensure economy. If, on the other hand, a galvanically coated cutting disc is used, for example, to cut granite, it cuts very well for a short time, but the performance then quickly drops to almost zero, as exposed hard material grains are polished. Sintered cutting surfaces do not achieve the cutting performance of a new electroplated cutting surface. However, the cutting surfaces can be produced very variably, since sintered metals, hard material quantity, hard material quality and the dimensions of the cutting surfaces can be freely selected in a wide range. With the restriction that different cutting surface variations have to be used for different applications, tools manufactured in this way are also economical.
Es gibt jedoch auch Anwendungen, wie z.B. dem Hoch- und Tiefbau, bei denen für das Sägen und Bohren universelle Werkzeuge benötigt werden, da die zu bearbeitenden Materialien im voraus nicht bekannt sind. Für solche Anwendungen wurden neue Herstellungsverfahren entwickelt. Aus der EP-B-0 931 180 ist ein Verfahren zum Beschichten einer Trennscheibe durch Aufschmelzen des Belags mittels eines Laserstrahls bekannt. Die solcherart hergestellten Schneidbeläge haben grundsätzlich das gleiche Problem, wie sintertechnisch hergestellte, d.h. die Verschleißfestigkeit der die Hartstoffe haltenden Bindung muss dem Verwendungszweck angepasst werden. Aus der PCT/DE98/02947 ist es bekannt, bei einem solchen Verfahren eine titanhaltige Zwischenschicht zwischen Grundkörper und Schneidbelag vorzusehen, um eine größere Haftung des Scheidbelags zu er- zielen.However, there are also applications such as civil engineering, where universal tools are required for sawing and drilling, since the materials to be processed are not known in advance. New manufacturing processes have been developed for such applications. EP-B-0 931 180 discloses a method for coating a cutting disc by melting the covering with a laser beam. The cutting surfaces produced in this way basically have the same problem as sintered, i.e. the wear resistance of the bond holding the hard materials must be adapted to the intended use. It is known from PCT / DE98 / 02947 to provide a titanium-containing intermediate layer between the base body and the cutting surface in such a method in order to achieve greater adhesion of the cutting surface.
Aufgabe der vorliegenden Erfindung ist es, ein Schneid- Schleif- oder Bohrwerkzeug mit Schneid- oder Schleifschichten geringer Höhe zu schaffen, das die Schnittfreudigkeit eines galvanisch hergestellten Werkzeuges in der Anfangspha- se aufweist, dessen Schneidbelag aber Hartstoff- und Bindungsverschleiß zulässt und so gute Lebensdauerwerte zulässt, wobei das Verfahren zur Herstellung solcher Werkzeuge kostengünstig sein und zu wirtschaftlich und vielfältig einsetzbaren Werkzeugen führen soll.The object of the present invention is to provide a cutting, grinding or drilling tool with cutting or grinding layers of low height, which has the ease of cutting of an electroplated tool in the initial phase, but whose cutting surface allows hard material and bond wear and thus good service life values allows, the method for producing such tools should be inexpensive and lead to economical and versatile tools.
Diese Aufgabe wird mit den im kennzeichnenden Teils des Anspruchs 1 genannten Merkmalen gelöst. Fortbildungen und vorteilhafte Ausführungen der Erfindung sind in den weiteren Ansprüchen umfasst. Versuche haben überraschenderweise ergeben, dass es möglich ist, Stahlgrund- korper zuerst mit einer Zwischenschicht zu beschichten und in einem zweiten Durchgang die Zwischenschicht noch einmal mit Hilfe eines Festkörperlasers anzuschmelzen und gleichzeitig Hartstofϊkorner in die Oberflache der Zwischen- Schicht einzubringen. Die mit Hilfe eines Schutzgas-Forderstroms auf der schmelze auftreffenden Hartstofϊkorner dringen teilweise bis vollständig in die Zwischenschicht ein und gehen eine gute Bindung mit der Schmelze ein. Die so entstandene Schneidschicht hat viele weit aus dem Bindungsmaterial ragende Schneidkorner und trotzdem noch eine Tiefenstruktur durch weiter in das Bin- dungsmaterial eingedrungene Korner Die so entstehenden Werkzeuge enthalten viele Hartstoffe bei gleichzeitig wenig Bindungsmaterial, das durch den Abriebe wegerodiert wird. Zusatzlich schafft die Hόhenstruktur Spanraume für den Abrieb und erhöht die Schnittgeschwindigkeit. Um die Wirtschaftlichkeit weiter zu steigern, ist es möglich, die Zwischenschicht z.B durch Wellenform in der Hohe zu strukturierenThis object is achieved with the features mentioned in the characterizing part of claim 1. Developments and advantageous embodiments of the invention are included in the further claims. Experiments have surprisingly shown that it is possible to coat steel base bodies first with an intermediate layer and to melt the intermediate layer again in a second pass with the aid of a solid-state laser and at the same time to introduce hard material grains into the surface of the intermediate layer. The hard material grains striking the melt with the aid of a protective gas flow penetrate partially or completely into the intermediate layer and form a good bond with the melt. The resulting cutting layer has many cutting grains that protrude far from the binding material and still has a deep structure due to grains that have penetrated further into the binding material. The tools thus created contain many hard materials with little binding material that is eroded away by the abrasion. In addition, the height structure creates chip spaces for abrasion and increases the cutting speed. In order to further increase the cost-effectiveness, it is possible to structure the intermediate layer in height, for example using a waveform
Erfindungsgemaß ist daher ein Schneid- Schleif- oder Bohrwerkzeug mit Schneidoder Schleifschichten geringer Hohe, bestehend aus einem angetriebenen Grund- korper mit einer Hartstofϊkorner enthaltenden abrasiven Schicht oder mit mit einer Hartstofϊkorner enthaltenden abrasiven Schicht versehenen Segmenten, Zahnen oder dergleichen, dadurch gekennzeichnet, dass die Schicht aus einem Nichteisenmetall oder einer Metalllegierung besteht, dass die Schicht zur Aufnahme der Hartstoffkorner auf dem Grundkorper, den Segmenten, Zahnen oder dergleichen in einem wenigstens teilweise geschmolzenen Zustand vorliegt und dass die Hart- stofϊkorner mittels eines Luft- oder Gasfbrderstrahls auf die Schmelze gefördert sind und wenigstens teilweise in die Schmelze eingedrungen sindAccording to the invention, therefore, a cutting, grinding or drilling tool with cutting or grinding layers of low height, consisting of a driven base body with an abrasive layer containing hard material grains or with segments, teeth or the like provided with an abrasive layer containing hard material grains, characterized in that the layer consists of a non-ferrous metal or a metal alloy, that the layer for receiving the hard material grains on the base body, the segments, teeth or the like is in an at least partially melted state and that the hard material grains are conveyed onto the melt by means of an air or gas conveyor jet and have at least partially penetrated into the melt
Nach einer Ausführung der Erfindung bestehen der Grundkorper und die Segmente oder Zahne aus dem Nichteisenmetall oder der MetalllegierungAccording to one embodiment of the invention, the base body and the segments or teeth are made of non-ferrous metal or the metal alloy
Vorzugsweise ist die Schicht aus Nichteisenmetall oder einer Metalllegierung auf den Grundkorper, die Segmente oder Zahne in einem Aufschmelzverfahren auf- gebracht, wobei die Schicht vor dem Aufbringen der Hartkörper einem Abküh- lungs- und Erstarrungsvorgang unterworfen ist.The layer of non-ferrous metal or a metal alloy is preferably applied to the base body, the segments or teeth in a melting process. brought, wherein the layer is subjected to a cooling and solidification process before applying the hard body.
Nach einer Ausführung der Erfindung ist die Metalllegierung eine Bronze.According to an embodiment of the invention, the metal alloy is bronze.
Das Schmelzen der Schicht erfolgt vorzugsweise durch einen Laserstrahl. Alternativ kann das Schmelzen der Schicht elektrisch, wie mittels einer Induktionsschleife erfolgen.The layer is preferably melted by a laser beam. Alternatively, the layer can be melted electrically, such as by means of an induction loop.
Der Gasfbrderstrahl besteht vorzugsweise aus Schutzgas und die Hartstofϊkömer bestehen vorzugsweise aus Diamant.The gas conveyor jet preferably consists of protective gas and the hard material particles preferably consist of diamond.
Nach einer vorteilhaften Ausführung der Erfindung ist die die Schicht profiliert ist.According to an advantageous embodiment of the invention, the layer is profiled.
Ein Verfahren zur Herstellung eines Schneid- Schleif- oder Bohrwerkzeug mit Schneid- oder Schleifschichten geringer Höhe, bestehend aus einem angetriebenen Grundkörper mit einer Hartstoffkörner enthaltenden abrasiven Schicht oder mit mit einer Hartstofϊkörner enthaltenden abrasiven Schicht versehenen Segmenten, Zähnen oder dergleichen, ist erfindungsgemäß gekennzeichnet durch die Schritte:A method for producing a cutting, grinding or drilling tool with cutting or grinding layers of low height, consisting of a driven base body with an abrasive layer containing hard material grains or with segments, teeth or the like provided with an abrasive layer containing hard material grains, is characterized according to the invention by the Steps:
- punktuelles oder kleinflächiges Aufschmelzen einer auf dem Grundkörper, den Segmenten oder Zähnen aufgebrachten Schicht, oder einer äußeren Schicht des Grundkörpers, bzw. der Segmente oder Zähne, wobei die Schicht aus einem Nichteisenmetall oder einer Metalllegierung besteht, - Aufblasen von Hartstofϊkörnern aus einer Düse mittels eines Gasfbrderstrahls auf den geschmolzenen Bereich, wobei das Aufschmelzen und Aufblasen bei kontinuierlichem Vorschub des Grundkörpers erfolgt,- selective or small-area melting of a layer applied to the base body, the segments or teeth, or an outer layer of the base body, or the segments or teeth, the layer consisting of a non-ferrous metal or a metal alloy, - inflation of hard material grains from a nozzle by means of a gas conveyor jet onto the molten area, the melting and inflation taking place with continuous advancement of the base body,
- und Abkühlen des Werkzeugs.- and cooling the tool.
Nach einer Ausfuhrung der Erfindung bestehen der Grundkörper, die Segmente oder Zähne aus dem Nichteisenmetall oder der Metalllegierung. Vorzugsweise ist die Schicht aus Nichteisenmetall oder einer Metalllegierung auf den Grundkörper, die Segmente oder Zähne in einem Aufschmelzverfahren aufgebracht, wobei die Schicht vor dem Aufbringen der Hartkörper einem Abküh- lungs- und Erstarrungsvorgang unterworfen ist.According to an embodiment of the invention, the base body, the segments or teeth consist of the non-ferrous metal or the metal alloy. The layer made of non-ferrous metal or a metal alloy is preferably applied to the base body, the segments or teeth in a melting process, the layer being subjected to a cooling and solidification process before the hard bodies are applied.
Das Schmelzen der Schicht erfolgt vorzugsweise durch einen Laserstrahl. Alternativ kann das Schmelzen der Schicht elektrisch, wie mittels einer Induktionsschleife erfolgen.The layer is preferably melted by a laser beam. Alternatively, the layer can be melted electrically, such as by means of an induction loop.
Der Gasfbrderstrahl besteht vorzugsweise aus Schutzgas und die Hartstofϊkörner bestehen vorzugsweise aus Diamant. The gas conveyor jet preferably consists of protective gas and the hard material grains preferably consist of diamond.

Claims

Ansprüche Expectations
1. Schneid- oder Schleif- oder Bohrwerkzeug mit Schneid- oder Schleifschichten geringer Höhe, bestehend aus einem angetriebenen Grundkörper mit einer Hartstofϊkörner enthaltenden abrasiven Schicht oder mit mit einer Hartstofϊkörner enthaltenden abrasiven Schicht versehenen Segmenten, Zähnen oder dergleichen, dadurch gekennzeichnet, dass die Schicht aus einem Nichteisenmetall oder einer Metalllegierung besteht, dass die Schicht zur Aufnahme der Hartstofϊkörner auf dem Grundkörper, den Segmenten, Zähnen oder dergleichen in einem wenigstens teilweise geschmolzenen Zustand vorliegt, und dass die Hartstofϊkörner mittels eines Luft- oder Gasfbrderstrahls auf die Schmelze gefbrdert sind und wenigstens teilweise in die Schmelze eingedrungen sind.1. Cutting or grinding or drilling tool with cutting or grinding layers of low height, consisting of a driven base body with an abrasive layer containing hard material grains or with segments, teeth or the like provided with an abrasive layer containing hard material grains, characterized in that the layer consists of a non-ferrous metal or a metal alloy, the layer for receiving the hard material grains on the base body, the segments, teeth or the like is in an at least partially melted state, and that the hard material grains are conveyed onto the melt by means of an air or gas conveyor jet and at least partly have penetrated into the melt.
2. Schneid- Schleif- oder Bohrwerkzeug nach Anspruch 1, dadurch gekennzeichnet, dass der Grundkörper, die Segmente oder Zähne aus dem Nichteisenmetall oder der Metalllegierung bestehen.2. Cutting, grinding or drilling tool according to claim 1, characterized in that the base body, the segments or teeth consist of the non-ferrous metal or the metal alloy.
3. Schneid- Schleif- oder Bohrwerkzeug nach Anspruch 1, dadurch gekennzeichnet, dass die Schicht aus Nichteisenmetall oder einer Metalllegierung auf den Grundkörper, die Segmente oder Zähne in einem Aufschmelzverfahren aufgebracht ist, wobei die Schicht vor dem Aufbringen der Hartkörper einem Abkühlungs- und Erstarrungsvorgang unterworfen ist.3. Cutting, grinding or drilling tool according to claim 1, characterized in that that the layer of non-ferrous metal or a metal alloy is applied to the base body, the segments or teeth in a melting process, the layer being subjected to a cooling and solidification process before the hard bodies are applied.
4. Schneid- Schleif- oder Bohrwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Metalllegierung eine Bronze ist.4. Cutting, grinding or drilling tool according to one of the preceding claims, characterized in that the metal alloy is a bronze.
5. Schneid- Schleif- oder Bohrwerkzeug nach einem der vorhergehenden Ansprü-5. Cutting, grinding or drilling tool according to one of the preceding claims.
d urch gekennzeichnet, das Schmelzen der Schicht durch einen Laserstrahl erfolgt.Characterized by, the layer is melted by a laser beam.
6 ,ιeid- Schleif- oder Bohrwerkzeug nach einem der Ansprüche 1 bis 4, da urch gekennzeichnet,6, ιeid- grinding or drilling tool according to one of claims 1 to 4, characterized by
■ ' das Schmelzen der Schicht elektrisch, wie mittels einer Induktionsschleife, lgt.■ The melting of the layer electrically, such as by means of an induction loop, lies.
7. Schneid- Schleif- oder Bohrwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Gasfbrderstrahl aus Schutzgas besteht.7. Cutting, grinding or drilling tool according to one of the preceding claims, characterized in that the gas conveyor jet consists of protective gas.
8. Schneid- Schleif- oder Bohrwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Hartstofϊkörner aus Diamant bestehen.8. Cutting, grinding or drilling tool according to one of the preceding claims, characterized in that that the hard material grains consist of diamond.
9. Schneid- Schleif- oder Bohrwerkzeug nach einem der vorhergehenden Ansprü- ehe, dadurch gekennzeichnet, dass die Schicht profiliert ist.9. Cutting, grinding or drilling tool according to one of the preceding claims, characterized in that the layer is profiled.
10. Verfahren zur Herstellung eines Schneid- Schleif- oder Bohrwerkzeug mit10. Method of making a cutting, grinding or drilling tool
Schneid- oder Schleifschichten geringer Höhe, bestehend aus einem angetriebenen Grundkörper mit einer Hartstoffkörner enthaltenden abrasiven Schicht oder mit mit einer Hartstofϊkörner enthaltenden abrasiven Schicht versehenen Segmenten, Zähnen oder dergleichen, gekennzeichnet durch die Schritte: punktuelles oder kleinflächiges Aufschmelzen einer auf dem Grundkörper, den Segmenten oder Zähnen aufgebrachten Schicht, oder einer äußeren Schicht des Grundkörpers, bzw. der Segmente oder Zähne, wobei die Schicht aus einem Nichteisenmetall oder einer Metalllegierung besteht, Aufblasen von Hartstoffkörnern aus einer Düse mittels eines Gasfbrderstrahls auf den geschmolzenen Bereich, wobei das Aufschmelzen und Aufblasen bei kontinuierlichem Vorschub des Grundkörpers erfolgt, und Abkühlen des Werkzeugs.Cutting or grinding layers of low height, consisting of a driven base body with an abrasive layer containing hard material grains or with segments, teeth or the like provided with an abrasive layer containing hard material grains, characterized by the steps: selective or small-area melting of one on the base body, the segments or Layer applied to teeth, or an outer layer of the base body, or of the segments or teeth, the layer consisting of a non-ferrous metal or a metal alloy, inflating hard material grains from a nozzle by means of a gas jet onto the molten area, the melting and inflation with continuous The base body is fed and the tool is cooled.
11. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass der Grundkörper, die Segmente oder Zähne aus dem Nichteisenmetall oder der Metalllegierung bestehen.11. The method according to claim 10, characterized in that the base body, the segments or teeth consist of the non-ferrous metal or the metal alloy.
12. Verfahren nach Anspruch 10, gekennzeichnet durch den vorherigen Schritt, dass die Schicht aus Nichteisenmetall oder einer Metalllegierung auf den Grundkörper, die Segmente oder Zähne in einem Aufschmelzverfahren aufgebracht ist, wobei die Schicht vor dem Aufbringen der Hartkörper einem Abkühlungs- und Erstarrungsvorgang unterworfen ist.12. The method according to claim 10, characterized by the previous step that the layer of non-ferrous metal or a metal alloy is applied to the base body, the segments or teeth in a melting process, the layer being subjected to a cooling and solidification process before the hard bodies are applied.
13. Verfahren nach einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, dass die Metalllegierung eine Bronze ist.13. The method according to any one of claims 10 to 12, characterized in that the metal alloy is a bronze.
14. Verfahren nach einem der 10 bis 13, dadurch gekennzeichnet, dass das Aufschmelzen und/oder Schmelzen der Schicht durch einen Laserstrahl erfolgt.14. The method according to any one of 10 to 13, characterized in that the melting and / or melting of the layer is carried out by a laser beam.
15. Verfahren einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, dass das Aufschmelzen und/oder Schmelzen der Schicht elektrisch, wie mittels einer Induktionsschleife erfolgt.15. The method according to any one of claims 10 to 13, characterized in that the melting and / or melting of the layer takes place electrically, such as by means of an induction loop.
16. Verfahren einem der Ansprüche 10 bis 15, dadurch gekennzeichnet, dass der Gasfbrderstrahl aus Schutzgas besteht.16. The method according to any one of claims 10 to 15, characterized in that the gas conveyor jet consists of protective gas.
17. Verfahren einem der Ansprüche 10 bis 16, dadurch gekennzeichnet, dass die Hartstofϊkörner aus Diamant bestehen. 17. The method according to any one of claims 10 to 16, characterized in that the hard material grains consist of diamond.
EP02792627A 2001-12-03 2002-11-29 Cutting or grinding or drilling tool having low-height cutting or grinding layers, and method for producing a such a tool Expired - Lifetime EP1458528B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10158933 2001-12-03
DE10158933A DE10158933A1 (en) 2001-12-03 2001-12-03 Cutting or grinding or drilling tool with cutting or grinding layers of low height, and method for producing such a tool
PCT/DE2002/004394 WO2003047822A2 (en) 2001-12-03 2002-11-29 Cutting or grinding or drilling tool having low-height cutting or grinding layers, and method for producing a such a tool

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EP1458528A2 true EP1458528A2 (en) 2004-09-22
EP1458528B1 EP1458528B1 (en) 2007-03-21

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EP (1) EP1458528B1 (en)
AT (1) ATE357319T1 (en)
AU (1) AU2002358423A1 (en)
DE (3) DE10158933A1 (en)
WO (1) WO2003047822A2 (en)

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
US7458765B2 (en) 2005-09-23 2008-12-02 Fraunhofer Usa Diamond hard coating of ferrous substrates
SG11201600878RA (en) * 2013-09-30 2016-04-28 Halliburton Energy Services Inc Clad hardfacing application on downhole cutting tools
DE102018113643A1 (en) * 2018-06-07 2019-12-12 Durum Verschleißschutz GmbH Device for coating a surface
CN115592581B (en) * 2022-12-13 2023-03-10 太原理工大学 Laser brazing preparation device for grinding wheel with orderly arranged abrasive particles

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1499602A (en) * 1975-12-22 1978-02-01 Caterpillar Tractor Co Method of applying a wear-resistant composite coating to an article
US5453329A (en) * 1992-06-08 1995-09-26 Quantum Laser Corporation Method for laser cladding thermally insulated abrasive particles to a substrate, and clad substrate formed thereby
KR100452563B1 (en) * 1995-10-05 2004-10-12 비엘젯트 바이에리쉐스 라저젠트럼 게마인뉘트지게 포르슝스게젤샤프트 엠비에치 Process for manufacturing a cutting tool
US5855149A (en) * 1996-11-18 1999-01-05 National Research Council Of Canada Process for producing a cutting die
DE19744214A1 (en) * 1997-10-07 1999-04-08 Dialux Diamantwerkzeuge Gmbh & Cutting tool, and method for coating cutting tools
JP2001025969A (en) * 1999-07-09 2001-01-30 Tenryu Saw Mfg Co Ltd Metal bond grinding tool, and its manufacture

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03047822A3 *

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DE50209803D1 (en) 2007-05-03
WO2003047822A3 (en) 2003-10-02
AU2002358423A1 (en) 2003-06-17
DE10295592D2 (en) 2004-10-14
AU2002358423A8 (en) 2003-06-17
WO2003047822A2 (en) 2003-06-12
EP1458528B1 (en) 2007-03-21
ATE357319T1 (en) 2007-04-15
DE10158933A1 (en) 2003-06-12

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