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1. 发明申请

WO2023088866A1 MODERATE TEMPERATURE CVD ALPHA ALUMINA COATING 审中-公开
公开(公告)号：WO2023088866A1
公开(公告)日：2023-05-25
申请号：PCT/EP2022/081899
申请日：2022-11-15
申请人： WALTER AG , FRAUNHOFER GESELLSCHAFT ZUR
发明人： HÖHN, Mandy , STIENS, Dirk , GARDECKA, Aleksandra , JANSSEN, Wiebke , MANNS, Thorsten
IPC分类号： C23C16/02 , C23C16/40 , C23C28/04
摘要： The invention relates to a process for manufacturing a coated cutting tool for chip-forming metal machining consisting of a substrate of cemented carbide, cermet or cubic boron nitride based ceramic material and a single-layered or multi-layered wear resistant hard coating, the layers of the hard coating comprise at least one alpha (a) phase AI2O3 coating layer being deposited by chemical vapour deposition (CVD) at an average thickness in the range from 1 μm to 20 μ pm, wherein the deposition of the alpha phase AI2O3 coating layer is carried out at a temperature in the temperature range from 600 to 900°C, using a process gas composition, as introduced into the CVD reactor, comprising or consisting of AlCl3, H2O, H2 and optionally MCI and/or a sulfur source, selected from H2S, SF6, SO2 and SO3, wherein in the process gas composition, as introduced into the CVD reactor, the volume ratio of H2O / AlCh is in the range from 0.5 to 2.5, and the volume ratio of H2O/ AlCl3 is in the range from 200 to 3000.

2. 发明申请

WO2022229429A1 A COATED CUTTING TOOL 审中-公开
公开(公告)号：WO2022229429A1
公开(公告)日：2022-11-03
申请号：PCT/EP2022/061565
申请日：2022-04-29
申请人： WALTER AG
发明人： LIEBIG, Jan Philipp , ENGELHART, Wolfgang , SCHIER, Veit
IPC分类号： C23C30/00 , C23C28/04 , C23C28/00
摘要： The invention relates to a coated cutting tool having at least one rake face and at least one flank face and a cutting edge inbetween, the coated cutting tool comprising a substrate and a coating, the coating comprises a (Ti, AI)N layer, the (Ti,AI)N layer having an overall atomic ratio AI/(Ti+AI) of >0.67 but ≤ 0.85, wherein the (Ti, Al) N layer shows a distribution of 111 misorientation angles, a 111 misorientation angle being the angle between a normal vector to the surface of the (Ti, AI)N layer and the direction that is closest to the normal vector to the surface of the (Ti, Al) N layer, a cumulative frequency distribution of the 111 misorientation angles is such that-≥ 60% of the 111 misorientation angles are less than 10 degrees.

3. 发明申请

WO2022117754A1 A COATED CUTTING TOOL WITH AN ALTERNATING LAYER COMPOSITION 审中-公开
公开(公告)号：WO2022117754A1
公开(公告)日：2022-06-09
申请号：PCT/EP2021/084033
申请日：2021-12-02
申请人： WALTER AG
发明人： SCHIER, Veit , ENGELHART, Wolfgang
IPC分类号： C23C28/04 , C23C28/00 , C23C14/35 , C23C14/34 , C23C14/06 , C23C14/32 , H01J37/34
摘要： The invention relates to a coated cutting tool comprising a substrate and a coating, the coating comprises a (Ti,Al,Si)N layer, the (Ti,Al,Si)N layer comprises a periodical change in contents of the elements Ti, Al, and Si, over the thickness of the (Ti,Al,Si)N layer, between a minimum content and a maximum content of each element, wherein the average minimum content of Ti being from 14 to 18 at.%, the average maximum content of Ti being from 18 to 22 at.%, the average minimum content of Al being from 18 to 22 at.%, the average maximum content of Al being from 24 to 28 at.%, the average minimum content of Si being from 0 to 2 at.%, the average maximum content of Si being from 1 to 5 at.%, the remaining content in the (Ti,Al,Si)N layer being a noble gas in an average content of from 0.1 to 5 at.% and the element N.

4. 发明申请

WO2022073662A1 DRILL POINT 审中-公开
公开(公告)号：WO2022073662A1
公开(公告)日：2022-04-14
申请号：PCT/EP2021/067803
申请日：2021-06-29
申请人： WALTER AG
发明人： ZHANG, Lijing
IPC分类号： B23B51/06
摘要： The present invention relates to a drill point for machining of light alloys, such as aluminium alloys, comprises a body, which body has a front end with an apex area (13), a central axis of rotation (8) extending rearward from a centre of the apex area (13), and at least one cutting structure (10). Each cutting structure (10) comprises a primary rake surface (17), a primary clearance surface (18), a cutting edge (11) at an intersection between the primary rake surface (17) and the primary clearance surface (18), and a peripheral cutting corner (14). The cutting edge (11) extends radially outward from the apex area (13) to the cutting corner (14). The primary clearance surface (18), as seen in a front end view, has a breadth (b) that is a distance extending perpendicular to and from the cutting edge (11) to a primary clearance surface edge (19), which is rotationally trailing the cutting edge (11). The body further has a nominal cutting radius (22), which is a radial distance outward from the central axis of rotation(8) to the cutting corner (14), and which is at least 1mm. The cutting edge (11) has a central portion (32), which extends radially outward from the apex area (13) to a radially outer end (23). The radially outer end (23) of the cutting edge central portion (32) has a radial distance to the central axis of rotation (8) of at least 10% of the nominal cutting radius (22). The primary clearance surface breadth (b) along the cutting edge central portion (32) is at least 0,05mm and at most 5% of the nominal cutting radius (22).

5. 发明申请

WO2021013453A1 INDEXABLE CUTTING INSERT 审中-公开
公开(公告)号：WO2021013453A1
公开(公告)日：2021-01-28
申请号：PCT/EP2020/067570
申请日：2020-06-24
申请人： WALTER AG
发明人： JUNG, Alexander
IPC分类号： B23C5/20 , B23C5/10
摘要： The present invention relates to an indexable cutting insert (4) for mounting in an insert seat (3) of a tool body (2) of a shoulder milling tool (1), the cutting insert (4) being generally defined by a triangular top surface (5), a triangular bottom surface (6), and three circumferential surfaces (7) extending between the top surface (5) and the bottom surface (6), wherein on each side of the cutting insert (4) an individual one of the three circumferential surfaces extends along an edge of the triangular top surface (5) and along an edge of the triangular bottom surface (6), the cutting insert (4) comprising at each of the top surface (5) and the bottom surface (6) three cutting comers (8), three main cutting edges (9) and three minor cutting edges (10), wherein each cutting corner (8) connects a main cutting edge (9) and a minor cutting edge (10), wherein each of the cutting corners (8), each of the main cutting edges (9) and each of the minor cutting edges (10) are provided at an intersection between the top surface (5) or the bottom surface (6) and one of the circumferential surfaces (7), and wherein each of the circumferential surfaces (7) comprises a planar contact surface (15), which planar contact surface is delimited by a main cutting edge (9) at the top surface (5) and by a main cutting edge (9) at the bottom surface (6).

6. 发明申请

WO2019043167A1 WEAR RESISTANT PVD TOOL COATING CONTAINING TIALN NANOLAYER FILMS 审中-公开
公开(公告)号：WO2019043167A1
公开(公告)日：2019-03-07
申请号：PCT/EP2018/073490
申请日：2018-08-31
申请人： WALTER AG
发明人： SCHIER, Veit , ENGELHART, Wolfgang
IPC分类号： C23C28/04 , C23C14/02 , C23C14/06 , C23C14/32 , C23C30/00
摘要： The invention relates to a coated cutting tool and a process for the production thereof, the coated cutting tool consisting of a substrate and a hard material coating, the substrate being selected from cemented carbide, cermet, ceramics, cubic boron nitride (cBN), polycrystalline diamond (PCD) or high-speed steel (HSS), wherein the hard material coating comprises a (Ti,Al)N layer stack (L) of alternately stacked (Ti,Al)N sub-layers, the layer stack (L) having the following characteristics: - the overall atomic ratio of Ti:Al within the (Ti,Al)N layer stack (L) is within the range from 0.33:0.67 to 0.67:0.33; - the total thickness of the (Ti,Al)N layer stack (L) is within the range from 1 µm to 20 µm; - each of the individual (Ti,Al)N sub-layers within the (Ti,Al)N layer stack (L) of alternately stacked (Ti,Al)N sub-layers has a thickness within the range from 0.5 nm to 50 nm; - each of the individual (Ti,Al)N sub-layers within the (Ti,Al)N layer stack (L) of alternately stacked (Ti,Al)N sub-layers being different in respect of the atomic ratio Ti:Al than an immediately adjacent (Ti,Al)N sub-layer; - over the thickness of the (Ti,Al)N layer stack (L) perpendicular to the substrate surface the content of Al increases and the content of Ti decreases from the interface of the (Ti,Al)N layer stack (L) arranged in the direction towards the substrate to the interface of the (Ti,Al)N layer (L) stack arranged in the direction towards the outer surface of the coating; - over the thickness of the (Ti,Al)N layer stack (L) perpendicular to the substrate surface the residual stress σ decreases from the interface of the (Ti,Al)N layer stack (L) arranged in the direction towards the substrate to the interface of the (Ti,Al)N layer stack (L) arranged in the direction towards the outer surface of the coating by an amount of at least 150 MPa to at most 900 MPa, whereby the residual stress σ is measured by X-ray diffraction applying the sin 2 Ψ method based on the (2 0 0) reflection; - the residual stress σ within a portion of a thickness of at least 100 nm to at most 1 µm within the (Ti,Al)N layer stack (L) from the interface of the (Ti,Al)N layer stack (L) arranged in the direction towards the substrate is within the range of from 0 MPa to +450 MPa.

7. 发明申请

WO2019025106A1 COATED CUTTING TOOL AND A PROCESS FOR ITS MANUFACTURE 审中-公开
公开(公告)号：WO2019025106A1
公开(公告)日：2019-02-07
申请号：PCT/EP2018/067909
申请日：2018-07-03
申请人： WALTER AG
发明人： SCHIER, Veit , DIECHLE, Dominic
IPC分类号： C23C14/06 , C23C14/32 , C23C30/00 , C23C28/04 , C23C14/34 , C23C14/00
摘要： The Invention relates to a coated cutting tool and to a process for manufacturing a coated cutting tool consisting of a substrate and a single-layer or multi-layer hard material coating, the substrate being selected from cemented carbide, cermet, ceramics, cubic boron nitride (cBN), polycrystalline diamond (PCD) or high-speed steel (HSS), and the hard coating comprising at least one layer of Al a Cr b Me c O d N e , wherein a, b, c, d, and e are atomic ratios, and wherein a + b + c + d + e = 1, a, b, d and e each are > 0, c = 0 or c > 0, a ≥ b, c / (a + b + c) ≤ 0.1, preferably ≤ 0.05, 0.1 ≤ d / (d + e) ≤ 0.5, wherein Me is at least one element selected from the group consisting of Ti, Zr, Ta, Nb, Hf, Si, and V, and wherein the Al a Cr b Me c O d N e layer is deposited by an arc vapor deposition process (Arc-PVD) using targets containing Al and Cr with an Al:Cr atomic ratio in the range of 95:5 to 50:50, and wherein - the reaction gas mixture contains O 2 gas and N 2 gas, wherein optionally a portion or all of the O 2 gas and a portion of the N 2 gas is replaced by a nitrogen and oxygen containing gas, selected from nitrous oxide, N 2 O, nitric oxide, NO, nitrogen dioxide, NO 2 , and dinitrogen tetroxide, N 2 O 4 , - the reaction gas mixture optionally contains one or more inert gases, - the total gas pressure is within the range from 7 Pa to 20 Pa, - the O 2 partial pressure is from 0.001 Pa to 0.1 Pa, - 0.002 ≤ (flow rate (O 2 ) / flow rate (N 2 ) ≤ 0.02, - (flow rate (O 2 ) + flow rate (N 2 )) / flow rate (inert gas) ≥ 4.

8. 发明申请

WO2018114191A1 A BALL NOSE END MILL INSERT, A BALL NOSE END MILL TOOL BODY AND A BALL NOSE END MILL 审中-公开
公开(公告)号：WO2018114191A1
公开(公告)日：2018-06-28
申请号：PCT/EP2017080062
申请日：2017-11-22
申请人： WALTER AG
发明人： JUNG ALEXANDER
IPC分类号： B23C5/10
CPC分类号： B23C5/1036 , B23C2200/128 , B23C2210/168
摘要： A ball nose end mill insert comprises an insert body having an axial center axis (C2), two opposed substantially flat insert side surfaces (23, 24), a peripheral surface (25) joining the two insert side surfaces (23, 24), the peripheral surface (25) including two arcuate surfaces (26, 27) at a first axially forward end (28) of the insert (2) and an insert support surface at a second axially rearward end (29) of the insert. The arcuate surfaces (26, 27) extend axially rearward from an axial center area of the first axially forward end (28) and are positioned symmetrically on opposite sides in relation to the axial center area of the insert. Peripheral side surfaces (32, 33) adjoin the arcuate surfaces. An insert through hole (37) intersects the insert side surfaces (23, 24). The insert support surface comprises an axial insert support surface (34) having surface portions (34A, 34B) on opposite sides of the axial center axis (C2) of the insert and a radial insert support surface (35). The axial insert support surface (34) and the radial insert support surface (35) together form an acute angle (β).

9. 发明申请

WO2018001784A1 CUTTING TOOL WITH TEXTURED ALUMINA LAYER 审中-公开
标题翻译：切割工具与纹理氧化铝层
公开(公告)号：WO2018001784A1
公开(公告)日：2018-01-04
申请号：PCT/EP2017/064997
申请日：2017-06-20
申请人： WALTER AG
发明人： STIENS, Dirk , MANNS, Thorsten
IPC分类号： C23C16/02 , C23C16/40
摘要： A coated cutting tool consisting of a substrate of cemented carbide, cermet, ceramics, steel or cubic boron nitride and a multi-layered wear resistant coating deposited by chemical vapour deposition (CVD) and having a total thickness from 4 to 25 μιτι, wherein the multi-layered wear resistant coating comprises a TiAICN layer (a) represented by the general formula Ti 1-x Al x C y N z with 0.2 2 0 3 layer (b) of kappa aluminium oxide deposited by CVD immediately on top of the TiAICN layer (a), and wherein the Ti 1-x Al x C y N z layer (a) has an overall fiber texture with the {111} plane preferentially growing parallel to the substrate surface, the fiber texture being characterized in that a {111} pole figure of the Ti 1-x Al x C y N z layer (a), measured by X-ray diffraction or electron backscatter diffraction over an angle range of 0°≤a≤80°, has an intensity maximum within 2 O 3 layer (b) has an overall fiber texture with the {002} plane preferentially growing parallel to the substrate surface, the fiber texture being characterized in that a {002} pole figure of the K-AI 2 O 3 layer (b), measured by X-ray diffraction or electron backscatter diffraction over an angle range of 0°≤a≤80°, has an intensity maximum within
摘要翻译：由硬质合金，金属陶瓷，陶瓷，钢或立方氮化硼的基材和通过化学气相沉积（CVD）沉积并具有总厚度的多层耐磨涂层组成的涂覆的切削工具其中所述多层耐磨涂层包含由通式Ti 1-x Al x x C y所表示的TiAICN层（a） y Nz z，其中0.2

10. 发明申请

WO2016071104A1 SCHNEIDWERKZEUG MIT MEHRLAGIGER PVD-BESCHICHTUNG 审中-公开
标题翻译：与多层PVD涂层刀具
公开(公告)号：WO2016071104A1
公开(公告)日：2016-05-12
申请号：PCT/EP2015/074277
申请日：2015-10-20
申请人： WALTER AG
发明人： SCHIER, Veit
IPC分类号： C23C14/34 , C23C14/35 , C23C14/06 , C23C14/32 , C23C28/04 , C23C28/00 , C23C14/02
CPC分类号： C23C14/3485 , C23C14/024 , C23C14/0641 , C23C14/325 , C23C14/35 , C23C28/042 , C23C28/044 , C23C28/048 , C23C28/42 , C23C28/44
摘要： Werkzeug mit einem Substrat aus Hartmetall, Cermet, Keramik, Stahl oder Schnellarbeitsstahl und einer darauf im PVD-Verfahren aufgebrachten mehrlagigen Beschichtung mit einer Gesamtdicke von 1 μm bis 20 μm, wobei die mehrlagige Beschichtung eine Anbindungsschicht und eine unmittelbar darüber abgeschiedene Verschleißschutzschicht umfasst, dadurch gekennzeichnet, dass die Anbindungsschicht mittels kathodischem Vakuum-Lichtbogenverdampfen (Arc-PVD) abgeschieden und mehrlagig ausgebildet ist, wobei unmittelbar übereinander angeordnete Lagen der Anbindungsschicht unterschiedliche Zusammensetzungen aufweisen und wobei die mehreren Lagen der Anbindungsschicht jeweils von Carbiden, Nitriden, Oxiden, Carbonitriden, Oxicarbiden, Carboxinitriden von wenigstens zwei verschiedenen Metallen, ausgewählt unter Ti, V, Cr, Zr, Nb, Mo, Ru, Hf, Ta, W, AI, Si, Y, Li und B, und festen Lösungen davon gebildet sind, und die Verschleißschutzschicht mittels High Power Impulse Magnetronsputtern (HIPIMS) abgeschieden und einlagig oder mehrlagig ausgebildet ist, wobei die eine oder mehreren Lagen der Verschleißschutzschicht jeweils von Carbiden, Nitriden, Oxiden, Carbonitriden, Oxicarbiden, Carboxinitriden von wenigstens zwei verschiedenen Metallen, ausgewählt unter Ti, V, Cr, Zr, Nb, Mo, Ru, Hf, Ta, W, AI, Si, Y, Li und B, und festen Lösungen davon gebildet sind.
摘要翻译：工具用的硬质合金，金属陶瓷，陶瓷，钢或高速钢和衬底的通过用1微米至20微米，其中，所述多层涂层包括粘合层和一个总厚度PVD工艺多层涂层涂覆在其上的直接沉积在磨损保护层，其特征在于通过形成沉积阴极真空电弧蒸发（电弧-PVD）和层，其中所述粘结层的立即叠置层具有不同的组成，和手段的结合层，其中所述多个中的碳化物，氮化物，氧化物，碳氮化物，碳氧化物，carboxinitrides每种情况下，粘合层的层选自Ti，V，铬，锆，铌，钼，钌，铪，钽，钨，铝，硅，Y，Li和B，并且固溶体中选择的至少两种不同的金属的它形成的，并通过高装置的磨损保护层功率脉冲磁控管（HIPIMS）形成沉积和一个或多个层，其中每个碳化物，氮化物，氧化物，碳氮化物，碳氧化物，至少两种不同的金属选自Ti，V，铬，锆，铌，钼，钌选择carboxinitrides磨损保护层的一个或多个层，铪，钽，钨，铝，硅，Y，Li和B，和它们的固溶体形成。

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