EP2155425A1 - Plaquette de coupe à facette double paroi stabilisatrice - Google Patents

Plaquette de coupe à facette double paroi stabilisatrice

Info

Publication number
EP2155425A1
EP2155425A1 EP08759839A EP08759839A EP2155425A1 EP 2155425 A1 EP2155425 A1 EP 2155425A1 EP 08759839 A EP08759839 A EP 08759839A EP 08759839 A EP08759839 A EP 08759839A EP 2155425 A1 EP2155425 A1 EP 2155425A1
Authority
EP
European Patent Office
Prior art keywords
cutting
facet
indexable insert
corner
insert according
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.)
Withdrawn
Application number
EP08759839A
Other languages
German (de)
English (en)
Inventor
Wolfgang Zitzlaff
Raouf Ben Amor
Tina Solaja
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.)
Ceramtec GmbH
Original Assignee
Ceramtec GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ceramtec GmbH filed Critical Ceramtec GmbH
Publication of EP2155425A1 publication Critical patent/EP2155425A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B27/00Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/141Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
    • B23B27/145Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness characterised by having a special shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C5/00Milling-cutters
    • B23C5/16Milling-cutters characterised by physical features other than shape
    • B23C5/20Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
    • B23C5/202Plate-like cutting inserts with special form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/04Overall shape
    • B23C2200/0477Triangular
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/12Side or flank surfaces
    • B23C2200/125Side or flank surfaces discontinuous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/20Top or side views of the cutting edge
    • B23C2200/201Details of the nose radius and immediately surrounding areas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/20Top or side views of the cutting edge
    • B23C2200/208Wiper, i.e. an auxiliary cutting edge to improve surface finish
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00Cutters, for shaping
    • Y10T407/23Cutters, for shaping including tool having plural alternatively usable cutting edges

Definitions

  • the invention relates to an indexable insert for clamping in carrier tools with an upper and a lower side, wherein on each upper and lower side between a main cutting edge and a secondary cutting edge a cutting corner is arranged with a corner radius.
  • the carrier tools usually have one or more plate seats, which are provided for receiving the inserts or cutting inserts provided for this purpose.
  • the indexable insert used takes over the desired material removal by penetrating the workpiece surface during a rotation and feed motion of the tool or workpiece.
  • Inserts are usually made of hard materials such as ceramics, mixed ceramics, hard metals, cubic boron nitride, or polycrystalline diamond.
  • indexable inserts are usually fastened due to their design with hole, recess or smooth surface Screwing or clamping by means of clamping wedge or clamping claws.
  • the position in the carrier tool is defined by the setting angle of the main cutting edge, as well as the chip and inclination angle depending on the main cutting edge.
  • the invention has for its object to improve an indexable insert according to the preamble of claim 1 so that the endangered during use cutting corner is reinforced, the corner radius remains substantially unchanged from an indexable insert according to the prior art. At the same time, the basic shape of the indexable insert should be maintained, whereby the existing carrier tool can be used further.
  • this object is achieved in that a stabilizing facet is arranged in the cutting corner, adjacent to the corner radius.
  • a stabilizing facet is arranged in the cutting corner, adjacent to the corner radius.
  • this allows the corner radius to remain substantially unchanged from a prior art indexable insert.
  • the basic shape of the indexable insert can be maintained, whereby the existing carrier tool can be used further.
  • the facet is formed substantially rectangular and extends from an upper or lower side to the center plane of the indexable insert. As a result, the facet has a maximum size.
  • the facet connects tangentially at the corner radius and is rectilinear to slightly convex, seen in relation to the center of the plate, formed and merges with tangentially subsequent transition radius in the secondary cutting edge.
  • the facet viewed in the circumferential direction of the cutting plate, 0.2 mm to 2.0 mm long and serves in particular as a secondary main cutting edge.
  • the facet is horizontal or inclined at +/- 5 ° to the fictitious workpiece surface.
  • the facets are arranged at the cutting corners opposite the center plane of the cutting plate, with respect to a line extending perpendicularly to the upper or lower side, arranged in mirror image relative to one another.
  • the number of usable cutting is significantly increased.
  • the corner radius of an upper or lower side of the cutting plate passes over an inwardly inclined secondary facet into the facet of the cutting corner opposite the center plane of the cutting plate.
  • the indexable insert on twice as many usable main cutting edges and minor cutting edges as cutting corners and is therefore reversible.
  • the indexable insert has a triangular, square or rhombic basic shape.
  • the indexable insert has a five- to octagonal basic shape.
  • the transition radius of the facet to the minor cutting edge is equal to or smaller than the corner radius.
  • the invention comprises an indexable insert 1 with double-sided attached
  • Facet 3 for stabilizing the cutting edge 2 (see Figure 1).
  • the cutting corner 2 is located in each case between the so-called main cutting edge 6 and the
  • Corner radius 4 formed cutting edge 2 and thus allow reinforcement and stabilization of the cutting corners 2, without the basic shape of
  • Indexable insert 1 and the actual size of the corner radius 4 and affect its functionality.
  • FIG. 1 shows this particular facet 3 on a triangular-shaped indexable insert with a corner angle of 60 ° shown.
  • the orientation of the facet 3 is in each case specially adapted to the subsequent installation position of the indexable insert 1 in an associated carrier tool, adapted to the common functionality and forms a secondary cutting edge in terms of cutting technology and design.
  • the carrier tools used are usually face milling cutters or cutter heads. The use for turning is also conceivable with suitable carrier tools.
  • FIG. 3 the schematic representation of the position of an indexable insert 1 is shown in a fictitious record seat.
  • the Dash-dotted lines indicate the shape of the cutting edge of a conventional indexable insert 1 with corner radius.
  • the supporting cross section q of the overhang at the cutting edge 2 inevitably becomes smaller as the corner radius 4 is reduced.
  • indexable insert corner 2 the more prone the indexable insert corner 2 is against breakout or complete failure due to breakage of the overhang, which in the worst case can lead to damage of the workpiece.
  • a reliable and economical processing of the component is therefore not given.
  • a certain overhang, or lesser substructure of the carrier tool is necessary in order not to restrict the selection of indexable inserts on the carrier tool too far.
  • a small corner radius 4 or 90 ° sidewall is not always avoidable in machining and is often desirable because some workpieces or lack of machine performance require it.
  • This invention is based on the object to reinforce the endangered cutting edge 2 by attaching a facet 3, with the advantage of the actually desired small corner radius 4 of 0.2 mm to 1, 2 mm in principle at the
  • This facet 3 is due to the position in the carrier tool (see Fig. 7) and the required setting angle of 90 ° asymmetric and later Direction of action horizontally attached to the cutting edge 2. Experience has shown that this asymmetry reduces the number of usable cutting corners 2 by half in the case of a negative indexable insert 1.
  • the facet 3 is also mirror-inverted on the opposite, rear area of the cutting corner 2, that is, mounted on both sides. This is illustrated in Fig. 5 and further explained.
  • the reference signs provided with the appendix a or b such as 3a, 3b or 4a, 4b or 6a, 6b or 7a, 7b or 8a, 8b or 9a, 9b respectively denote identical but mirror-image arranged objects.
  • the facets 3 are arranged mirror-symmetrically to one another at the cutting corners opposite the center plane 12 of the cutting insert 1, with respect to a line running perpendicularly to the upper or lower side.
  • the secondary facets 8a and 8b between the facets 3a / 3b and corner radii 4b / 4a are slightly angled in the transition to the opposite mirrored arrangement, protrude out of the lateral surface of the corner radii 4a / 4b and serve according to the invention the stabilizing support of the corner radii 4a / 4b. Without these special secondary facets 8, the functioning of the main cutting edges 2 and the secondary cutting edges formed by the facets 3 and the resulting double cutting edge number would not be possible.
  • the actual corner radius 4, which merges into the main cutting edge 6 from the facet 3, should be mentioned, which can later also be recognized as a feature on the machined workpiece.
  • the transition radius to call 9 At the opposite end of the facet 3 is still the transition radius to call 9, the tangent from the Leads out facet and with almost similar size as the corner radius 4a, 4b itself merges into the minor cutting edge 7.
  • the facet 3 is usually between 0.2 mm and 2.0 mm long and ideally straight or slightly convexly curved.
  • the cutting edge 2 is usually placed between the main cutting edge 6 and the minor cutting edge 7, wherein the main cutting edge and the minor cutting edge are at a defined angle to one another.
  • this angle is 120 °.
  • z As rhombic and square shapes are mentioned here, the inscribed angle is 35 °, 55 °, 75 °, 80 ° or 90 °.
  • the orientation of the facet 3 is as shown in this case, for example between 89 ° and 91 ° to the main cutting edge 6th
  • These facets 3 and secondary facets 8 and radii (corner radius 4 and transition radius 9, as well as the entire circumferential area of the indexable insert 1 are usually attached by hard machining, such as grinding or laser machining.) Also a direct pressing and pressing with appropriately shaped punch and Matrizen-, and injection mold tool sets, or other non-cutting or material-removing processes and subsequent sintering processes and hard machining is conceivable.
  • the special feature of this described triangular indexable insert 1, with the facets 3 and secondary facets 8 according to the invention lies in the special suitability for use in milling by rotating carrier tools. It allows z. B. by the adjustment angle ew of 90 ° of the main cutting edge 6 and suitable chip and tilt angles of 5 ° to 15 ° of the main cutting edge 6, the production of a rectangular shoulder on the machined components (see Fig. 7).
  • the inventive position and length of the facet 3 achieved in the cutting corner 2, which preferably at an angle from 80 ° to 95 ° to the main cutting edge 6, the function of a secondary main cutting edge. After the cutting operation, this results in a high surface quality with low roughness depths on the plane surface of the workpiece.
  • this special facet 3 can also by means of small corner radii 4 of 0.2 mm to 0.4 mm in a roughing or roughing finishing an excellent surface quality on the workpiece, with high feed values and due to the small corner radius 4 conditionally, with less effort be calculated from the machine.
  • the user's desire for cost-effective inserts, with as many usable cutting edges and cutting corners as possible for machines with low power levels, can be met herewith. It can be realized by the use of this stabilizing facet 3 and the supporting secondary facets 8 with high feed values at the same time lower power consumption, a comparatively faster processing time compared to conventional indexable inserts 1 of this basic form. With comparable or even better surface quality, a more efficient and economical machining of the workpiece is possible.
  • the facets 3a and 3b, the transition radii 9a and 9b and the corner radii 4a and 4b are the same size. In the figure 5 the surfaces are distorted by the perspective view.
  • WO 03/013770 A1 shows an insert with a clamping recess, which is circular and has a spherical or circular elevation in the middle.
  • the survey is above the trough bottom and below the cutting plate top.
  • a clamping claw with adapted molded nose form fit into the trough of the insert.
  • This trough is used for positive clamping on a carrier body.
  • this cutting board with the special trough offers.
  • the insert according to the invention according to this application is executed in one embodiment with this clamping recess.
  • EP 1 536 903 B1 describes a cutting plate for clamping into a cutting tool for machining cast materials with a cutting tip top side, a first clamping trough for clamping into the cutting tool and a cutting edge for machining.
  • a second clamping trough is arranged coaxially with the first tipping body, wherein the first tipping trough is arranged lower than the second tipping trough and both lower than the cutting-board top side.
  • WO 2005/021192 A1 describes an insert made of PCBN or a CBN composite material, wherein the insert has a clamping recess.
  • the clamping trough can be circular and have a spherical or circular elevation in the middle.
  • the corresponding contour of the clamping trough is preferably introduced via a corresponding shaping of the green body and the green body thus produced is then dried and sintered.
  • the insert according to the invention according to this application is manufactured in one embodiment as described.
  • the insert according to the invention may also be provided with a coating.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)
  • Harvester Elements (AREA)

Abstract

La présente invention concerne une plaquette de coupe amovible (1) destinée à être enserrée dans des porte-outils et présentant un côté supérieur et un côté inférieur. Sur chaque côté supérieur et inférieur, respectivement entre un tranchant principal (6) et un tranchant secondaire (7) se trouve un coin de coupe (2) présentant un rayon (4). Selon l'invention, pour renforcer le coin de coupe pouvant subir des dommages lors de l'utilisation, le rayon du coin vis-à-vis d'une plaquette de coupe amovible devant selon l'état de la technique rester sensiblement inchangé, une facette stabilisatrice (3) est formée dans le coin de coupe (2) au voisinage du rayon (4) du coin.
EP08759839A 2007-05-24 2008-05-21 Plaquette de coupe à facette double paroi stabilisatrice Withdrawn EP2155425A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007024533 2007-05-24
PCT/EP2008/056235 WO2008142096A1 (fr) 2007-05-24 2008-05-21 Plaquette de coupe à facette double paroi stabilisatrice

Publications (1)

Publication Number Publication Date
EP2155425A1 true EP2155425A1 (fr) 2010-02-24

Family

ID=39587951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08759839A Withdrawn EP2155425A1 (fr) 2007-05-24 2008-05-21 Plaquette de coupe à facette double paroi stabilisatrice

Country Status (7)

Country Link
US (1) US20100266353A1 (fr)
EP (1) EP2155425A1 (fr)
CN (1) CN101754830A (fr)
BR (1) BRPI0811903A2 (fr)
DE (1) DE102008001898A1 (fr)
MX (1) MX2009012532A (fr)
WO (1) WO2008142096A1 (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL199285A (en) 2009-06-11 2012-12-31 Iscar Ltd Shima and cutting tools for her
DE102009034576A1 (de) * 2009-07-24 2011-02-03 Technische Universität Kaiserslautern Optisches Verfahren zur Schneidkantenpräparation und korrespondierendes Computerprogrammprodukt und korrespondierende Vorrichtung
DE102010011957A1 (de) 2010-03-18 2011-09-22 Hüseyin Karaduman Werkzeugmaschinenanlage
DE102010020252B4 (de) * 2010-05-11 2013-04-18 Hüseyin Karaduman Werkzeugmaschinenanlage und Verfahren zu deren Betrieb
US9597738B2 (en) * 2011-03-22 2017-03-21 Renault S.A.S. Milling/surfacing method and device
DE102011105978B4 (de) * 2011-06-29 2022-06-23 Kennametal Inc. Wendeschneidplatte sowie Plan-Eckfräser mit Wendeschneidplatte
US8708616B2 (en) * 2012-07-06 2014-04-29 Iscar, Ltd. Rotary cutting tool and reversible cutting insert therefor
EP2805786B1 (fr) * 2013-05-21 2019-07-10 Pramet Tools, S.R.O. Insert de découpe indexable présentant un creux de support latéral et un outil de fraisage
US9296054B2 (en) * 2013-05-23 2016-03-29 Kennametal Inc. Indexable cutting insert with a triangular shape
US9289836B2 (en) * 2014-01-09 2016-03-22 Iscar, Ltd. Double-sided indexable cutting insert and cutting tool therefor
AT14072U1 (de) * 2014-02-04 2015-04-15 Ceratizit Luxembourg S R L Doppelseitiger Frässchneideinsatz und Fräswerkzeug
US10076788B2 (en) 2014-05-20 2018-09-18 Iscar, Ltd. Cutting insert with chip-control arrangement
CN104209559B (zh) * 2014-07-14 2016-09-21 上海交通大学 一种基于临界切削厚度的微细刀具刃口强化方法
US9468983B2 (en) 2014-09-22 2016-10-18 Iscar, Ltd. Rotary cutting tool and reversible cutting insert having variable-width minor relief surfaces therefor
EP2998053B1 (fr) * 2014-09-22 2022-02-23 Iscar Ltd. Outil de coupe rotatif et plaquette de coupe réversible ayant des surfaces de dépouille mineures avec largeur variable
WO2016047795A1 (fr) * 2014-09-26 2016-03-31 京セラ株式会社 Plaquette de coupe, outil de coupe et procédé pour obtenir un article coupé
WO2016080486A1 (fr) * 2014-11-21 2016-05-26 三菱日立ツール株式会社 Plaquette de coupe et outil de coupe rotatif à bord de coupe remplaçable
CN107000070B (zh) * 2014-12-05 2019-06-18 陶瓷技术有限责任公司 一种刀片
US10272508B2 (en) * 2015-04-02 2019-04-30 Stephen MacLennan Saw tooth
DE112017003488T5 (de) * 2016-07-11 2019-04-25 Kyocera Corporation Schneideinsatz, Schneidwerkzeug und Verfahren des Herstellens eines maschinell-bearbeiteten Produkts
US10710167B2 (en) 2017-08-02 2020-07-14 Iscar, Ltd. Negative finish turning insert with chip forming arrangement
WO2019088125A1 (fr) * 2017-11-02 2019-05-09 三菱日立ツール株式会社 Plaquette de coupe et outil de coupe de type à remplacement de bord de coupe
EP3702079A1 (fr) * 2019-03-01 2020-09-02 Tungaloy Corporation Plaquette de coupe
JP6744599B1 (ja) * 2019-03-01 2020-08-19 株式会社タンガロイ 切削インサート
JP7029686B1 (ja) * 2021-02-18 2022-03-04 株式会社タンガロイ 切削工具

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE448431B (sv) * 1985-07-03 1987-02-23 Santrade Ltd Vendsker for spanavskiljande bearbetning
CH667407A5 (fr) * 1986-03-27 1988-10-14 Stellram Sa Fraise a plaquettes de coupe amovibles.
SE465958B (sv) * 1988-09-26 1991-11-25 Sandvik Ab Dubbelsidigt skaer
SE509224C2 (sv) * 1994-05-19 1998-12-21 Sandvik Ab Vändskär
SE517274C2 (sv) * 1999-02-15 2002-05-21 Sandvik Ab Vändskär för svarvning
SE515070C2 (sv) * 1999-10-22 2001-06-05 Sandvik Ab Dubbelnegativt skär till verktyg för spånavskiljande bearbetning
DE10208266A1 (de) 2001-07-26 2003-02-13 Ceram Tec Ag Innovative Cerami Spanabhebendes Schneidwerkzeug und Schneidplatte in Donut-Form
SE523620C2 (sv) * 2001-10-01 2004-05-04 Sandvik Ab Skär för spånavskiljande bearbetning med ytavstrykande eggsegment.
SE525829C2 (sv) 2002-06-26 2005-05-10 Seco Tools Ab Dubbelsidigt vändskär med bomberad biskäregg samt tillverkningsmetod för skäret
DE10239451A1 (de) 2002-08-28 2004-03-11 Ceramtec Ag Innovative Ceramic Engineering Schneidplatte mit Doppelmulde
SE527378C2 (sv) * 2003-05-08 2006-02-21 Sandvik Intellectual Property Skär för svarvning försett med en eggfas
EP1660261B1 (fr) 2003-08-22 2008-03-26 Ceramtec AG Innovative Ceramic Engineering Procede de fabrication d'une plaque coupante en pcbn ou en materiau composite a base de cbn comprenant un creux de serrage
IL169340A (en) * 2005-06-22 2010-04-29 Gil Hecht Cutting insert
SE530090C2 (sv) * 2006-06-27 2008-02-26 Sandvik Intellectual Property Planfrässkär med flera bågformiga deleggar och konvexa släppningsytor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008142096A1 *

Also Published As

Publication number Publication date
CN101754830A (zh) 2010-06-23
BRPI0811903A2 (pt) 2014-11-18
MX2009012532A (es) 2010-04-01
US20100266353A1 (en) 2010-10-21
DE102008001898A1 (de) 2008-11-27
WO2008142096A1 (fr) 2008-11-27

Similar Documents

Publication Publication Date Title
EP2155425A1 (fr) Plaquette de coupe à facette double paroi stabilisatrice
DE60226209T2 (de) Wendefrässchneidplatte
EP1960141B1 (fr) Outil de fraisage
EP2152455B1 (fr) Outil de coupe à huit tranchants et porte-outil correspondant
DE602004010844T2 (de) Schneideinsatz für stirnfräsen mit hohen vorschubraten
DE10317760B4 (de) Fräswerkzeug und Schneidplatte für ein solches
EP1859883B1 (fr) Plaquette de coupe doté d'unsegment racleur, en particulier pour fraise à surfacer
DE69921917T2 (de) Indexierbarer Schneideinsatz für drehende Fräsen
DE60204559T2 (de) Bohreinsatzgeometrie mit spanspaltender kerbe
DE69732385T2 (de) Frässchneideinsatz
EP1904255B1 (fr) Outil servant a l'usinage d'alesages par enlevement de copeaux
DE112007002652B4 (de) Multifunktionsschneidwerkzeug
EP0781182A1 (fr) Plaquette de coupe
EP1599307A1 (fr) Plaquette reversible servant a chanfreiner au moyen d'une tete de fraisage conique
EP2401106A1 (fr) Outil de fraisage à disque et élément de coupe
WO2008142038A1 (fr) Plaquette de coupe présentant un étage de guidage de coupeaux en forme de nervure
DE112008002324B4 (de) Schneidwerkzeug und Schneidverfahren
EP1283083B1 (fr) Plaquette de fraisage
DE112016006162T5 (de) Einwegeinsatz und Verfahren zum Schleifen einer Schneidkante des Einwegeinsatzes
DE112020001654T5 (de) Schneideinsatz, drehwerkzeug und verfahren zur herstellung eines maschinell bearbeiteten produkts
DE60019438T2 (de) Schneideinsatz zum einstecken
WO2009121459A1 (fr) Outil de coupe pour l’usinage par enlèvement de copeaux de pièces d’œuvre ainsi qu’élément de retenue pour une plaquette de coupe
DE102005043842A1 (de) Kugel- oder Torusfräser
EP2823921A1 (fr) Outil de coupe
DE2734095C2 (de) Schneidwerkzeug zum Schälen auf einer Drehbank

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

17P Request for examination filed

Effective date: 20091228

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA MK RS

17Q First examination report despatched

Effective date: 20100512

DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: CERAMTEC GMBH

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20130209