EP0519267A1 - Bore nitride coated micro-milling tool - Google Patents

Bore nitride coated micro-milling tool Download PDF

Info

Publication number
EP0519267A1
EP0519267A1 EP92109332A EP92109332A EP0519267A1 EP 0519267 A1 EP0519267 A1 EP 0519267A1 EP 92109332 A EP92109332 A EP 92109332A EP 92109332 A EP92109332 A EP 92109332A EP 0519267 A1 EP0519267 A1 EP 0519267A1
Authority
EP
European Patent Office
Prior art keywords
micro
rotating tool
tool according
flutes
working surface
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
EP92109332A
Other languages
German (de)
French (fr)
Other versions
EP0519267B1 (en
Inventor
Werner Dipl.-Ing. Pickert
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.)
KAPP GMBH & CO. KG WERKZEUGMASCHINENFABRIK
Original Assignee
Kapp & Co KG Werkzeugmaschinenfabrik GmbH
KAPP AND CO WERKZEUGMASCHINENFABRIK
KAPP AND CO
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 Kapp & Co KG Werkzeugmaschinenfabrik GmbH, KAPP AND CO WERKZEUGMASCHINENFABRIK, KAPP AND CO filed Critical Kapp & Co KG Werkzeugmaschinenfabrik GmbH
Publication of EP0519267A1 publication Critical patent/EP0519267A1/en
Application granted granted Critical
Publication of EP0519267B1 publication Critical patent/EP0519267B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • B24D5/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/19—Rotary cutting tool
    • Y10T407/1904—Composite body of diverse material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/19—Rotary cutting tool
    • Y10T407/1946—Face or end mill
    • Y10T407/1948—Face or end mill with cutting edge entirely across end of tool [e.g., router bit, end mill, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/20—Profiled circular tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/27—Cutters, for shaping comprising tool of specific chemical composition

Definitions

  • the invention relates to a rotating tool for machining hardened workpieces, preferably made of steel.
  • the tool consists of a steel, preferably hardened base body with a defined working surface, which is provided with a covering made of super-hard material, preferably boron nitride.
  • Such rotating tools preferably in the form of grinding wheels, are known. They have the disadvantage that there is no defined cutting edge, but rather that the individual grains of the covering made of superhard material form several randomly positioned cutting surface pieces. The result is a wide spread in terms of service life.
  • the invention has for its object to provide a rotating tool of the type described above, which has a defined cutting edge and is suitable for precision machining of workpieces made of materials with a hardness up to 62 HRC (Rockwell Hardness).
  • the solution to this problem by the invention is characterized in that the working surface of the tool is provided with a plurality of mutually parallel micro-flutes which are aligned at an acute angle to a tangent applied to the working surface and have a cross-sectional profile with a defined cutting edge and a defined chip space, and that the entire working surface is provided with a homogeneous layer of the same layer thickness made of superhard material, preferably boron nitride.
  • the advantage of this proposal according to the invention is that there is a defined cutting edge, so that the tool according to the invention achieves a predetermined service life. With the tool according to the invention, constant and higher tool life can be achieved.
  • the cross-sectional profile of the micro flutes can be sawtooth-shaped with an approximately radial tooth face forming the cutting edge at the radially outer end, a tooth head extending approximately in the circumferential direction and a tooth back forming the chip space.
  • the distance between the micro flutes is 35 to 600 ⁇ m and their depth is 20 to 1,000 ⁇ m.
  • the layer of superhard material located on the work surface has a thickness of 1 to 5 ⁇ m.
  • the micro-flutes can be divided by transverse grooves that run at an angle to the micro-flutes. This results in a division of the cutting edge, which leads to narrower chips and enables a better supply of cooling lubricant to the cutting edges.
  • the micro chip grooves and / or transverse grooves can run in an arc shape.
  • the invention proposes to design the shape of the tool according to the final profile of the workpieces to be machined, for example the shape of a toothing or other profiles, so that toothing and other complicated profiles can be produced with the tool according to the invention.
  • the grinding wheel shown in perspective in FIG. 1 consists of a steel base body 1, which is designed with a defined working surface 2.
  • This work surface 2 is provided with a multiplicity of micro-flutes 3 running parallel to one another, the cross-sectional shape of which can be seen in FIGS. 2 and 3.
  • These micro flutes 3 are aligned at an acute angle to a tangent applied to the work surface 2.
  • Your cross-sectional profile results in a defined one Cutting edge 4 and a defined chip space 5.
  • the entire working surface 2 of the base body 1 is covered with a homogeneous layer 6 of the same layer thickness made of superhard material. Boron nitride is preferably used as the material.
  • the above-described configuration of the rotating tool for machining results in a large number of defined cutting edges due to the profiling of the working surface 2 with the micro-flutes 3 described.
  • the service life of the tool can therefore be predicted better, so that constant and higher tool life can be achieved.
  • the cross-sectional profile of the micro flutes 3 can be designed with acute-angled teeth according to FIG. 2 or sawtooth-like according to FIG. 3.
  • the sawtooth-like design results in an approximately radially extending tooth face forming the cutting edge 4 at the radially outer end, a tooth head extending approximately in the circumferential direction and a tooth back forming the chip space 5.
  • the distance between the micro flutes 3 is between 35 to 600 microns, whereas their depth is 20 to 1,000 microns.
  • the layer 6 of superhard material applied to the entire surface of the work surface 2 has a thickness of 1 to 5 ⁇ m.
  • the micro flutes 3 are additionally subdivided by transverse grooves 7, which run at an angle to the micro flutes 3.
  • transverse grooves 7 A preferred cross section of these transverse grooves 7 is drawn in the sectional view in FIG. 4.
  • the profile shape of the work surface 2 can correspond to the final profile of the workpieces to be machined.

Abstract

The invention relates to a rotating tool for machining hardened workpieces, preferably made of steel, consisting of a steel, preferably hardened, parent body (1) with a defined working surface (2) which is provided with a coating (6) of superhard material, preferably boron nitride. In order to provide defined cutting edges in a tool of this type for the precision machining of workpieces with a hardness of up to 62 HRC, the working surface (2) is provided with a multiplicity of micro chip grooves (3) which run parallel to one another, are orientated at an acute angle to a tangent applied to the working surface (2) and have a cross-sectional profile with defined cutting edge (4) and defined chip space (5), the entire working surface (2) being provided with a homogeneous coating (6) of the same thickness of superhard material, preferably boron nitride. <IMAGE>

Description

Die Erfindung betrifft ein rotierendes Werkzeug zur spanabhebenden Bearbeitung von gehärteten Werkstücken, vorzugsweise aus Stahl. Das Werkzeug besteht aus einem stählernen, vorzugsweise gehärteten Grundkörper mit definierter Arbeitsfläche, die mit einem Belag aus superhartem Material, vorzugsweise Bornitrid, versehen ist.The invention relates to a rotating tool for machining hardened workpieces, preferably made of steel. The tool consists of a steel, preferably hardened base body with a defined working surface, which is provided with a covering made of super-hard material, preferably boron nitride.

Derartige rotierende Werkzeuge, vorzugsweise in Form von Schleifscheiben, sind bekannt. Sie haben den Nachteil, daß sich keine definierte Schneidkante ergibt, sondern daß die einzelnen Körner des aus superhartem Material bestehenden Belages mehrere zufällig positionierte Schneidflächenstücke bilden. Als Resultat ergibt sich hinsichtlich der Standzeit eine große Streubreite.Such rotating tools, preferably in the form of grinding wheels, are known. They have the disadvantage that there is no defined cutting edge, but rather that the individual grains of the covering made of superhard material form several randomly positioned cutting surface pieces. The result is a wide spread in terms of service life.

Ausgehend von diesem bekannten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, ein rotierendes Werkzeug der eingangs beschriebenen Art zu schaffen, das eine definierte Schneidkante hat und zur Präzisionsbearbeitung von Werkstücken geeignet ist, die aus Werkstoffen mit einer Härte bis zu 62 HRC (Rockwell-Härte) bestehen.Based on this known prior art, the invention has for its object to provide a rotating tool of the type described above, which has a defined cutting edge and is suitable for precision machining of workpieces made of materials with a hardness up to 62 HRC (Rockwell Hardness).

Die Lösung dieser Aufgabenstellung durch die Erfindung ist dadurch gekennzeichnet, daß die Arbeitsfläche des Werkzeuges mit einer Vielzahl von parallel zueinander verlaufenden Mikro-Spannuten versehen ist, die unter einem spitzen Winkel zu einer an die Arbeitsfläche angelegten Tangente ausgerichtet sind und ein Querschnittsprofil mit definierter Schneidkante und definiertem Spanraum aufweisen, und daß die gesamte Arbeitsfläche mit einer homogenen Schicht gleicher Schichtdicke aus superhartem Material, vorzugsweise Bornitrid, versehen ist.The solution to this problem by the invention is characterized in that the working surface of the tool is provided with a plurality of mutually parallel micro-flutes which are aligned at an acute angle to a tangent applied to the working surface and have a cross-sectional profile with a defined cutting edge and a defined chip space, and that the entire working surface is provided with a homogeneous layer of the same layer thickness made of superhard material, preferably boron nitride.

Der Vorteil dieses erfindungsgemäßen Vorschlages besteht darin, daß sich eine definierte Schneidkante ergibt, so daß mit dem erfindungsgemäßen Werkzeug eine vorherbestimmbare Standzeit erreicht wird. Mit dem erfindungsgemäßen Werkzeug können somit konstante und höhere Standmengen an Werkstücken erreicht werden.The advantage of this proposal according to the invention is that there is a defined cutting edge, so that the tool according to the invention achieves a predetermined service life. With the tool according to the invention, constant and higher tool life can be achieved.

Gemäß einem weiteren Merkmal der Erfindung kann das Querschnittsprofil der Mikro-Spannuten sägezahnartig mit einer etwa radial verlaufenden, am radial außenliegenden Ende die Schneidkante bildenden Zahnbrust, einem etwa in Umfangsrichtung verlaufenden Zahnkopf und einem den Spanraum bildenden Zahnrücken ausgebildet sein.According to a further feature of the invention, the cross-sectional profile of the micro flutes can be sawtooth-shaped with an approximately radial tooth face forming the cutting edge at the radially outer end, a tooth head extending approximately in the circumferential direction and a tooth back forming the chip space.

Bei einer bevorzugten Ausführungsform der Erfindung beträgt der Abstand zwischen den Mikro-Spannuten 35 bis 600 µm und ihre Tiefe 20 bis 1.000 µm.In a preferred embodiment of the invention, the distance between the micro flutes is 35 to 600 μm and their depth is 20 to 1,000 μm.

Gemäß einem weiteren Merkmal der Erfindung weist die auf der Arbeitsfläche befindliche Schicht aus superhartem Material eine Dicke von 1 bis 5 µm auf.According to a further feature of the invention, the layer of superhard material located on the work surface has a thickness of 1 to 5 μm.

Bei einer bevorzugten Weiterbildung nach der Erfindung können die Mikro-Spannuten durch Quernuten unterteilt sein, die unter einem Winkel zu den Mikro-Spannuten verlaufen. Hierdurch ergibt sich eine Aufteilung der Schneidkante, die zu schmaleren Spänen führt und eine bessere Zufuhr von Kühl-Schmierstoff zu den Schneidkanten ermöglicht.In a preferred development according to the invention, the micro-flutes can be divided by transverse grooves that run at an angle to the micro-flutes. This results in a division of the cutting edge, which leads to narrower chips and enables a better supply of cooling lubricant to the cutting edges.

Die Mikro-Spannuten und/oder Quernuten können erfindungsgemäß bogenförmig verlaufen.According to the invention, the micro chip grooves and / or transverse grooves can run in an arc shape.

Mit der Erfindung wird schließlich vorgeschlagen, die Form des Werkzeuges dem endgültigen Profil der zu bearbeitenden Werkstücke entsprechend auszubilden, beispielsweise der Form einer Verzahnung oder sonstiger Profile, so daß mit dem erfindungsgemäßen Werkzeug Verzahnungs- und andere komplizierte Profile hergestellt werden können.Finally, the invention proposes to design the shape of the tool according to the final profile of the workpieces to be machined, for example the shape of a toothing or other profiles, so that toothing and other complicated profiles can be produced with the tool according to the invention.

Auf der Zeichnung ist ein Ausführungsbeispiel des erfindungsgemäßen Werkzeuges in Form einer Schleifscheibe mit einer zweiten Ausführungsvariante für die Querschnittsformgebung der Mikro-Spannuten dargestellt, und zwar zeigen:

Fig. 1
eine perspektivische Ansicht einer Schleifscheibe,
Fig. 2
einen Teilschnitt durch die Arbeitsfläche dieser Schleifscheibe gemäß der Schnittlinie II - II in Fig. 1,
Fig. 3
einen der Fig. 2 entsprechenden Teilschnitt einer abgewandelten Ausführungsform und
Fig. 4
einen weiteren Teilschnitt gemäß der Schnittlinie IV - IV in Fig. 1.
The drawing shows an exemplary embodiment of the tool according to the invention in the form of a grinding wheel with a second embodiment variant for the cross-sectional shape of the micro-flutes, namely:
Fig. 1
a perspective view of a grinding wheel,
Fig. 2
2 shows a partial section through the working surface of this grinding wheel according to section line II-II in FIG. 1,
Fig. 3
one of FIG. 2 corresponding partial section of a modified embodiment and
Fig. 4
a further partial section along the section line IV - IV in Fig. 1st

Die in Fig. 1 perspektivisch dargestellte Schleifscheibe besteht aus einem stählernen Grundkörper 1, der mit einer definierten Arbeitsfläche 2 ausgeführt ist. Diese Arbeitsfläche 2 ist mit einer Vielzahl von parallel zueinander verlaufenden Mikro-Spannuten 3 versehen, deren Querschnittsformgebung in den Fig. 2 und 3 zu erkennen ist. Diese Mikro-Spannuten 3 sind unter einem spitzen Winkel zu einer an die Arbeitsfläche 2 angelegten Tangente ausgerichtet. Ihr Querschnittsprofil ergibt eine definierte Schneidkante 4 und einen definierten Spanraum 5. Die gesamte Arbeitsfläche 2 des Grundkörpers 1 ist mit einer homogenen Schicht 6 gleicher Schichtdicke aus superhartem Material überzogen. Als Material findet vorzugsweise Bornitrid Verwendung.The grinding wheel shown in perspective in FIG. 1 consists of a steel base body 1, which is designed with a defined working surface 2. This work surface 2 is provided with a multiplicity of micro-flutes 3 running parallel to one another, the cross-sectional shape of which can be seen in FIGS. 2 and 3. These micro flutes 3 are aligned at an acute angle to a tangent applied to the work surface 2. Your cross-sectional profile results in a defined one Cutting edge 4 and a defined chip space 5. The entire working surface 2 of the base body 1 is covered with a homogeneous layer 6 of the same layer thickness made of superhard material. Boron nitride is preferably used as the material.

Im Gegensatz zu den bekannten bornitrid-belegten Schleifscheiben ergibt sich bei der voranstehend beschriebenen Ausgestaltung des rotierenden Werkzeuges zur spanabhebenden Bearbeitung eine Vielzahl von definierten Schneidkanten durch die Profilierung der Arbeitsfläche 2 mit den geschilderten Mikro-Spannuten 3. Die Standzeit des Werkzeuges wird demzufolge besser vorherbestimmbar, so daß konstante und höhere Standmengen an Werkstücken erreicht werden können.In contrast to the known boron nitride-coated grinding wheels, the above-described configuration of the rotating tool for machining results in a large number of defined cutting edges due to the profiling of the working surface 2 with the micro-flutes 3 described. The service life of the tool can therefore be predicted better, so that constant and higher tool life can be achieved.

Das Querschnittsprofil der Mikro-Spannuten 3 kann gemäß Fig. 2 mit spitzwinkligen Zähnen oder gemäß Fig. 3 sägezahnartig ausgebildet sein. Bei der sägezahnartigen Ausbildung ergibt sich eine etwa radial verlaufende, am radial außenliegenden Ende die Schneidkante 4 bildende Zahnbrust, ein etwa in Umfangsrichtung verlaufender Zahnkopf und ein den Spanraum 5 bildender Zahnrücken. In Jedem Fall liegt der Abstand zwischen den Mikro-Spannuten 3 zwischen 35 bis 600 µm, wogegen ihre Tiefe 20 bis 1.000 µm beträgt. Die auf der gesamten Oberfläche der Arbeitsfläche 2 aufgebrachte Schicht 6 aus superhartem Material hat eine Dicke von 1 bis 5 µm.The cross-sectional profile of the micro flutes 3 can be designed with acute-angled teeth according to FIG. 2 or sawtooth-like according to FIG. 3. The sawtooth-like design results in an approximately radially extending tooth face forming the cutting edge 4 at the radially outer end, a tooth head extending approximately in the circumferential direction and a tooth back forming the chip space 5. In any case, the distance between the micro flutes 3 is between 35 to 600 microns, whereas their depth is 20 to 1,000 microns. The layer 6 of superhard material applied to the entire surface of the work surface 2 has a thickness of 1 to 5 μm.

Bei der in Fig. 1 dargestellten Ausführungsform der Schleifscheibe sind die Mikro-Spannuten 3 zusätzlich durch Quernuten 7 unterteilt, die unter einem Winkel zu den Mikro-Spannuten 3 verlaufen. Ein bevorzugter Querschnitt dieser Quernuten 7 ist in der Schnittdarstellung der Fig. 4 gezeichnet.In the embodiment of the grinding wheel shown in FIG. 1, the micro flutes 3 are additionally subdivided by transverse grooves 7, which run at an angle to the micro flutes 3. A preferred cross section of these transverse grooves 7 is drawn in the sectional view in FIG. 4.

Während beim dargestellten Ausführungsbeispiel sowohl die Mikro-Spannuten 3 als auch die Quernuten 7 geradlinig verlaufen, besteht selbstverständlich die Möglichkeit, die Mikro-Spannuten 3 und/oder die Quernuten 7 mit einem bogenförmigen Verlauf auszubilden. Für den Fall, daß mit dem erfindungsgemäßen Werkzeug eine Präzisions-Hartbearbeitung durch Profilschleifen vorgenommen werden soll, kann die Profilform der Arbeitsfläche 2 dem endgültigen Profil der zu bearbeitenden Werkstücke entsprechen.While both the micro-flutes 3 and the transverse grooves 7 run in a straight line in the illustrated embodiment, there is of course the possibility of the micro-flutes 3 and / or to form the transverse grooves 7 with an arcuate course. In the event that precision hard machining by profile grinding is to be carried out with the tool according to the invention, the profile shape of the work surface 2 can correspond to the final profile of the workpieces to be machined.

Bezugszeichenliste:Reference symbol list:

11
GrundkörperBasic body
22nd
ArbeitsflächeWork surface
33rd
Mikro-SpannutMicro flute
44th
SchneidkanteCutting edge
55
SpanraumChip space
66
Schichtlayer
77
QuernutCross groove

Claims (7)

Rotierendes Werkzeug zur spanabhebenden Bearbeitung von gehärteten Werkstücken, vorzugsweise aus Stahl, aus einem stählernen, vorzugsweise gehärteten Grundkörper mit definierter Arbeitsfläche, die mit einem Belag aus superhartem Material, vorzugsweise Bornitrid, versehen ist,
dadurch gekennzeichnet
daß die Arbeitsfläche (2) mit einer Vielzahl von parallel zueinander verlaufenden Mikro-Spannuten (3) versehen ist, die unter einem spitzen Winkel zu einer an die Arbeitsfläche (2) angelegten Tangente ausgerichtet sind und ein Querschnittsprofil mit definierter Schneidkante (4) und definiertem Spanraum (5) aufweisen, und daß die gesamte Arbeitsfläche (2) mit einer homogenen Schicht (6) gleicher Schichtdicke aus superhartem Material, vorzugsweise Bornitrid, versehen ist.Rotating tool for machining hardened workpieces, preferably made of steel, from a steel, preferably hardened base body with a defined working surface, which is provided with a covering made of superhard material, preferably boron nitride,
characterized
that the work surface (2) is provided with a plurality of mutually parallel micro-flutes (3) which are aligned at an acute angle to a tangent to the work surface (2) and a cross-sectional profile with a defined cutting edge (4) and a defined one Have chip space (5), and that the entire work surface (2) is provided with a homogeneous layer (6) of the same layer thickness made of superhard material, preferably boron nitride. Rotierendes Werkzeug nach Anspruch 1, dadurch gekennzeichnet, daß das Querschnittsprofil der Mikro-Spannuten (3) sägezahnartig mit einer etwa radial verlaufenden, am radial außenliegenden Ende die Schneidkante (4) bildenden Zahnbrust, einen etwa in Umfangsrichtung verlaufenden Zahnkopf und einem den Spanraun (5) bildenden Zahnrücken ausgebildet ist.A rotating tool according to claim 1, characterized in that the cross-sectional profile of the micro flutes (3) is sawtooth-like with an approximately radial tooth face forming the cutting edge (4) at the radially outer end, a tooth head extending approximately in the circumferential direction, and a tooth chip (5 ) forming tooth back. Rotierendes Werkzeug nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Abstand zwischen den Mikro-Spannuten (3) 35 bis 600 µm und ihre Tiefe 20 bis 1.000 µm beträgt.Rotating tool according to claim 1 or 2, characterized in that the distance between the micro flutes (3) is 35 to 600 µm and their depth is 20 to 1,000 µm. Rotierendes Werkzeug nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die auf der Arbeitsfläche (2) befindliche Schicht (6) aus superhartem Material eine Dicke von 1 bis 5 µm aufweist.Rotating tool according to one of claims 1 to 3, characterized in that the layer (6) of superhard material on the working surface (2) has a thickness of 1 to 5 µm. Rotierendes Werkzeug nach mindestens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Mikro-Spannuten (3) durch Quernuten (7) unterteilt sind, die unter einem Winkel zu den Mikro-Spannuten (3) verlaufen.Rotating tool according to at least one of claims 1 to 4, characterized in that the micro-clamping grooves (3) are divided by transverse grooves (7) which run at an angle to the micro-clamping grooves (3). Rotierendes Werkzeug nach mindestens einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Mikro-Spannuten (3) und/oder die Quernuten (7) bogenförmig verlaufen.Rotating tool according to at least one of claims 1 to 5, characterized in that the micro flutes (3) and / or the transverse grooves (7) run in an arc. Rotierendes Werkzeug nach mindestens einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Form des Werkzeuges dem endgültigen Profil der zu bearbeitenden Werkstücke entspricht.Rotating tool according to at least one of claims 1 to 6, characterized in that the shape of the tool corresponds to the final profile of the workpieces to be machined.
EP92109332A 1991-06-17 1992-06-03 Bore nitride coated micro-milling tool Expired - Lifetime EP0519267B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4119872A DE4119872C2 (en) 1991-06-17 1991-06-17 Rotating tool for machining hard workpieces
DE4119872 1991-06-17

Publications (2)

Publication Number Publication Date
EP0519267A1 true EP0519267A1 (en) 1992-12-23
EP0519267B1 EP0519267B1 (en) 1995-04-19

Family

ID=6434086

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92109332A Expired - Lifetime EP0519267B1 (en) 1991-06-17 1992-06-03 Bore nitride coated micro-milling tool

Country Status (7)

Country Link
US (1) US5299892A (en)
EP (1) EP0519267B1 (en)
JP (1) JPH05192817A (en)
AT (1) ATE121336T1 (en)
CA (1) CA2071121C (en)
DE (2) DE4119872C2 (en)
ES (1) ES2072050T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0770457B1 (en) * 1995-10-25 2001-01-03 Osaka Diamond Industrial Co. Grinding wheel
DE19543748A1 (en) * 1995-11-24 1997-05-28 Widia Gmbh Cutting tool, method for coating a cutting tool and use of the cutting tool
US6149354A (en) * 1998-12-16 2000-11-21 Walters; Jayce P. Tool and method for cutting a seat in the setting of stones in jewelry
US7632175B2 (en) * 2004-05-04 2009-12-15 Blount, Inc. Cutting blade hard-facing method and apparatus
EP3038778A4 (en) 2013-08-30 2017-03-15 Asko, Inc. Shear knife

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3531840A (en) * 1967-11-16 1970-10-06 Omark Industries Inc Durable file

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2318549A (en) * 1941-04-14 1943-05-04 Continental Machines Metal cutting saw band
FR1206286A (en) * 1958-07-03 1960-02-09 Paul Hug Ets Sawtooth and saw tooth disc with application
US3553905A (en) * 1967-10-10 1971-01-12 Jerome H Lemelson Tool structures
DE7601299U1 (en) * 1976-01-20 1976-05-13 Guenter Effgen Jes-Diamantmetall, 6581 Herrstein GRINDING DISC O.DGL.
JPS5828645B2 (en) * 1977-11-17 1983-06-17 三洋電機株式会社 Disc structure for stylus resharpening
JPS6018753B2 (en) * 1979-03-09 1985-05-11 大日本印刷株式会社 How to manufacture files
JPS6368314A (en) * 1986-09-11 1988-03-28 Toyota Central Res & Dev Lab Inc Manufacture of polishing tool
JPH029586A (en) * 1988-06-24 1990-01-12 Oodaka Seiko Kk Electrodeposition grinder element
IE892863L (en) * 1988-09-09 1990-03-09 Galderma Rech Dermatologique Abrasive compacts
DE3833204A1 (en) * 1988-09-30 1990-04-05 Hawera Praezisionswerkzeuge CONTOUR MILLING
DE3912681A1 (en) * 1989-04-18 1990-10-25 Winter & Sohn Ernst METHOD FOR GALVANIC COATING OF SEGMENT SURFACES ARRANGED ON THE SURFACE OF A BASIC BODY AND PRODUCTS PRODUCED AFTER THAT

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3531840A (en) * 1967-11-16 1970-10-06 Omark Industries Inc Durable file

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPIL Week 8523, Derwent Publications Ltd., London, GB; AN 85-139473 & JP-B-60 018 753 (DAINIPPON PRINTING KK) *
DATABASE WPIL Week 9046, Derwent Publications Ltd., London, GB; AN 90-346425 & JP-B-2 048 371 (TOYOTA CENT RES & DEV) *

Also Published As

Publication number Publication date
ATE121336T1 (en) 1995-05-15
DE4119872C2 (en) 1994-06-30
EP0519267B1 (en) 1995-04-19
ES2072050T3 (en) 1995-07-01
DE59201953D1 (en) 1995-05-24
US5299892A (en) 1994-04-05
JPH05192817A (en) 1993-08-03
CA2071121A1 (en) 1992-12-18
CA2071121C (en) 1996-05-21
DE4119872A1 (en) 1992-12-24

Similar Documents

Publication Publication Date Title
EP0605359B1 (en) Disc-like grinding tool
EP1425127B1 (en) Combination tool
DE102005025815A1 (en) Cutting insert, in particular for crankshaft machining
EP0603121B1 (en) Tubular drill
WO2008052503A1 (en) Finishing/roughing mill
DE3415332A1 (en) METHOD FOR MANUFACTURING A SPACE TOOL
DE3211727A1 (en) TOOLING MACHINE TOOL
EP0519267B1 (en) Bore nitride coated micro-milling tool
EP0485546B1 (en) Cutting insert for tools
EP0439501B1 (en) Screw-driver blade or screw-driver bit
EP0508941A1 (en) Tool for machining of materials
DE3610256A1 (en) INSERTED TURN MILLERS
CH672278A5 (en)
DE3447124C1 (en) Abrasive tool for fine machining the tooth flanks of hardened gears in particular
EP0264599A1 (en) Boring tool
EP0530528B1 (en) Grinding tool
DE102018118959B3 (en) cutting wheel
DE2808866C2 (en) Drilling tool for holes in solid metal material
EP3993939B1 (en) Strip-shaped cutting tool with buffer particles and manufacturing process
DE3711396C2 (en)
EP4066975A1 (en) Skiving tool and a method for the skiving of a cogged wheel blank
DE3230177A1 (en) Gear-shaped or rack-shaped tool for shaving gears
DE2524008A1 (en) Roughing and finishing milling cutter - has reduced height teeth with smaller rake than standard ones
DE4013717A1 (en) Inserted tooth face mill for high quality finish - has cutter inserts in form of rhombus with four main and four finishing cutting edges
CH664517A5 (en) MILLING TOOL, IN PARTICULAR TO USE FOR ROUGHING.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB IT LI NL PT SE

17P Request for examination filed

Effective date: 19930206

17Q First examination report despatched

Effective date: 19931227

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: KAPP GMBH & CO. KG WERKZEUGMASCHINENFABRIK

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FR GB IT LI NL PT SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Effective date: 19950419

REF Corresponds to:

Ref document number: 121336

Country of ref document: AT

Date of ref document: 19950515

Kind code of ref document: T

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19950420

REF Corresponds to:

Ref document number: 59201953

Country of ref document: DE

Date of ref document: 19950524

ITF It: translation for a ep patent filed

Owner name: ING. ZINI MARANESI & C. S.R.L.

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2072050

Country of ref document: ES

Kind code of ref document: T3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Effective date: 19950719

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

RIN2 Information on inventor provided after grant (corrected)

Free format text: PICKERT, WERNER, DIPL.-ING.

26N No opposition filed
EUG Se: european patent has lapsed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20060614

Year of fee payment: 15

Ref country code: SE

Payment date: 20060614

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20060615

Year of fee payment: 15

Ref country code: CH

Payment date: 20060615

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20060616

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20060619

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20060629

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20060630

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20060712

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20060815

Year of fee payment: 15

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: KAPP GMBH & CO. KG WERKZEUGMASCHINENFABRIK

Free format text: KAPP GMBH & CO. KG WERKZEUGMASCHINENFABRIK#CALLENBERGER STRASSE 52-58#D-96450 COBURG (DE) -TRANSFER TO- KAPP GMBH & CO. KG WERKZEUGMASCHINENFABRIK#CALLENBERGER STRASSE 52-58#D-96450 COBURG (DE)

BERE Be: lapsed

Owner name: *KAPP G.M.B.H. & CO. K.G. WERKZEUGMASCHINENFABRIK

Effective date: 20070630

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

EUG Se: european patent has lapsed
GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20070603

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070603

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20080101

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070630

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20080229

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080101

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080101

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070630

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070603

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070604

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20070604

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070702

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070604

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070603