DE102015107585A1 - Cutting plate, method for producing a cutting plate and cutting tool - Google Patents
Cutting plate, method for producing a cutting plate and cutting tool Download PDFInfo
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- DE102015107585A1 DE102015107585A1 DE102015107585.7A DE102015107585A DE102015107585A1 DE 102015107585 A1 DE102015107585 A1 DE 102015107585A1 DE 102015107585 A DE102015107585 A DE 102015107585A DE 102015107585 A1 DE102015107585 A1 DE 102015107585A1
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- Prior art keywords
- cutting
- cutting plate
- pressing
- plate
- insert
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
- B23C5/2204—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert
- B23C5/2208—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert for plate-like cutting inserts
- B23C5/2213—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert for plate-like cutting inserts having a special shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
- B23C5/1009—Ball nose end mills
- B23C5/1027—Ball nose end mills with one or more removable cutting inserts
- B23C5/1036—Ball nose end mills with one or more removable cutting inserts having a single cutting insert, the cutting edges of which subtend 180 degrees
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
- B23C5/1009—Ball nose end mills
- B23C5/1027—Ball nose end mills with one or more removable cutting inserts
- B23C5/1045—Ball nose end mills with one or more removable cutting inserts having a cutting insert, the cutting edge of which subtends substantially 90 degrees
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
- B23C5/109—Shank-type cutters, i.e. with an integral shaft with removable cutting inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/34—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools milling cutters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/21—Paper; Textile fabrics
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- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
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- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
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- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/16—Fixation of inserts or cutting bits in the tool
- B23C2210/165—Fixation bolts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
- B23C2228/04—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner applied by chemical vapour deposition [CVD]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
- B23C2228/08—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner applied by physical vapour deposition [PVD]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
- B23C2228/10—Coating
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/26—Presence of textile or fabric
- C09J2400/263—Presence of textile or fabric in the substrate
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2421/00—Presence of unspecified rubber
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2477/00—Presence of polyamide
- C09J2477/006—Presence of polyamide in the substrate
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/04—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbonitrides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
Abstract
Eine Schneidplatte (4) zur Aufnahme in einer Nut (3) eines Aufnahmeschafts (2) eines Schneidwerkzeugs (1), insbesondere eines Kopierfräsers, weist wenigstens eine Schneidkante (41, 42, 411, 421, 412, 422), Spanflächen (481, 482, 483, 484), Freiflächen (491, 492, 493, 494) und Auflageflächen (46, 47) und eine Durchgangsöffnung (45) zur Befestigung der Schneidplatte (4) in der Nut (3) mittels einer Befestigungsschraube (5) auf. Die Schneidplatte (4) ist durch Pressen und Sintern eines Schneidstoffpulvers hergestellt. Die wenigstens eine Schneidkante (41, 42, 411, 421, 412, 422), die Spanflächen (481, 482, 483, 484) und die Freiflächen (491, 492, 493, 494) sind im gesinterten Zustand belassen.A cutting plate (4) for receiving in a groove (3) of a receiving shaft (2) of a cutting tool (1), in particular a copy milling cutter, has at least one cutting edge (41, 42, 411, 421, 412, 422), clamping surfaces (481, 482, 483, 484), free surfaces (491, 492, 493, 494) and bearing surfaces (46, 47) and a through hole (45) for fixing the cutting plate (4) in the groove (3) by means of a fastening screw (5) , The cutting plate (4) is made by pressing and sintering a cutting material powder. The at least one cutting edge (41, 42, 411, 421, 412, 422), the rake faces (481, 482, 483, 484) and the flanks (491, 492, 493, 494) are left in the sintered state.
Description
Die Erfindung betrifft eine Schneidplatte zur Aufnahme in einer Nut eines Aufnahmeschafts eines Schneidwerkzeugs, insbesondere eines Kopierfräsers, nach der im Oberbegriff von Anspruch 1 näher definierten Art. Des Weiteren betrifft die Erfindung ein Verfahren zur Herstellung einer solchen Schneidplatte sowie ein Schneidwerkzeug gemäß dem Oberbegriff von Anspruch 11.The invention relates to a cutting insert for receiving in a groove of a receiving shaft of a cutting tool, in particular a copy milling cutter, according to the closer defined in the preamble of
Die Bearbeitung von Freiformflächen, wie sie unter anderem im Gesenkund Formenbau bzw. der Luft- und Raumfahrt angewandt wird, erfolgt in der Regel mittels Kopierfräsern, welche bei einer Rotation um ihre Mittelachse eine Kugel- bzw. Torusform abbilden. Hierbei kommt häufig eine zweischneidige, austauschbare Schneidplatte zum Fräsen und Bohren zum Einsatz, die zentral in einem Aufnahmeschaft mit einer endseitigen, zur Aufnahme der Schneidplatte dienenden Nut mit einer kreisförmigen Durchgangsöffnung aufgenommen sind, durch welche ein Befestigungselement zur Lagesicherung der Schneidplatte eingeschraubt wird. Diese Kopierfräser kommen zum Schruppen oder Schlichten von metallischen, wie auch nichtmetallischen Werkstoffen zum Einsatz.The processing of free-form surfaces, as used inter alia in Gesenkund mold and aerospace industry, is usually done by means of copy cutters, which depict a spherical or toroidal shape in a rotation about its central axis. In this case, a double-edged, exchangeable cutting plate for milling and drilling is often used, which are received centrally in a receiving shaft with an end, serving to receive the cutting plate groove with a circular passage opening through which a fastener for securing the position of the insert is screwed. These copy routers are used for roughing or finishing metallic as well as non-metallic materials.
Hierbei handelt es sich nicht um nach
Des Weiteren unterscheiden sich die Schneidplatten von Kopierfräsern auch im Hinblick auf die Befestigung der Schneidplatten von den in der
Durch das bei aus dem Stand der Technik bekannten Schneidplatten von Kopierfräsern durchgeführte Schleifen können sich entlang der Schneidkante Defekte in Form von Rissen, Ausbröckelungen, Abschifferungen bzw. Schädigungen des Gefüges, verursacht durch Schleifbrand aufgrund thermischer Vorgänge, in Form von Eigenspannungsumwandlungen ergeben. Gleichfalls führt das unter Zuhilfenahme von Kühlschmiermitteln durchgeführte Schleifen oftmals zu einer Korrosion des durch Pulvermetallurgie hergestellten Schneidstoffs mit Kobalt als Bindephase. Diese Korrosion macht sich bei den beschriebenen Schneidplatten durch das Auftreten von sogenanntem Kobalt-Leaching, also einer Auswaschung des Kobaltanteils, bemerkbar. Sowohl Risse, Ausbröckelungen bzw. Abschifferungen oder Gefügeschädigungen als auch die Kobalt-Auswaschungen entlang der Schneidkante machen sich in der Leistungsfähigkeit der Schneidplatte bemerkbar. So ist ein frühzeitiges Versagen nach bereits kurzer Eingriffszeit nicht auszuschließen.Due to the known in the prior art inserts of Kopierfräsern loops can occur along the cutting edge defects in the form of cracks, chipping, Abschreifenungen or damage to the structure caused by grinding burn due to thermal processes in the form of residual stress transformations. Likewise, the grinding performed with the aid of cooling lubricants often leads to corrosion of the powder-metallurgy cutting material with cobalt as binder phase. This corrosion is noticeable in the described inserts by the occurrence of so-called cobalt leaching, so a leaching of the cobalt content. Both cracks, chipping or microstructural damage as well as the cobalt leaching along the cutting edge are reflected in the performance of the insert. So an early failure after a short period of intervention can not be ruled out.
Neben den entstehenden Mehrkosten für die beim Schleifen zusätzlich durchzuführenden Arbeitsgänge ergibt sich ein weiterer Nachteil, da die Materialabtragung zu einer Verringerung der Effizienz im Hinblick auf die Ausnutzung des Schneidstoffs führt. So ist nach dem Schleifen eine entsprechende Entsorgung bzw. Wiederaufbereitung des Schneidstoff-Schlamms erforderlich.In addition to the additional costs for the additional operations to be carried out during grinding, there is another disadvantage, since the material removal leads to a reduction in the efficiency with regard to the utilization of the cutting material. So after sanding a corresponding disposal or reprocessing of the cutting material sludge is required.
In der
Die
Zwar wird in der
Es ist daher Aufgabe der vorliegenden Erfindung, eine Schneidplatte zur Aufnahme in einer Nut eines Aufnahmeschafts eines Schneidwerkzeugs, insbesondere eines Kopierfräsers, sowie ein Verfahren zu deren Herstellung zu schaffen, die kastengünstiger herstellbar bzw. durchführbar sind und die eine lange Standzeit der Schneidplatte gewährleisten.It is therefore an object of the present invention to provide a cutting plate for receiving in a groove of a receiving shaft of a cutting tool, in particular a copy router, and a method for their production, which are less expensive to produce or feasible and ensure a long service life of the insert.
Erfindungsgemäß wird diese Aufgabe durch die in Anspruch 1 genannten Merkmale gelöst.According to the invention, this object is achieved by the features mentioned in
Gemäß der vorliegenden Erfindung sind also wenigstens eine Schneidkante, die Spanflächen und die Freiflächen im gesinterten Zustand belassen. Die vorliegende Erfindung zeichnet sich somit durch eine optimale Ausnutzung der Ressource Schneidstoff durch Verwendung des Direktpressens aus, was die Herstellungskosten der erfindungsgemäßen Schneidplatte erheblich reduziert. Bei bestimmten Anwendungen, beispielsweise wenn die Schneidplatte für eine Schruppbearbeitung vorgesehen ist, können auch die Auflageflächen, d. h. die beiden die Schneidplattendicke begrenzenden Flächen, im gesinterten Zustand belassen sein. Bei entsprechender Erfordernis können die beiden Auflagenflächen jedoch auch materialabtragend bearbeitet werden. Da die Auflageflächen der Schneidplatte beim späteren Zerspanungsprozess nicht im Eingriff und somit für die eigentliche Zerspanungsfunktion der Schneidplatte irrelevant sind, wird auch in diesem Fall keine der Funktionsflächen der erfindungsgemäßen Schneidplatte materialabtragend bearbeitet.According to the present invention, therefore, at least one cutting edge, the rake faces and the flanks are left in the sintered state. The present invention is thus characterized by optimum utilization of the resource cutting material by using the direct pressing, which significantly reduces the manufacturing cost of the cutting insert according to the invention. In certain applications, for example, if the cutting plate is intended for roughing, the bearing surfaces, d. H. the two areas limiting the cutting plate thickness, be left in the sintered state. If required, however, the two support surfaces can also be machined to remove material. Since the support surfaces of the cutting plate during the later cutting process are not engaged and thus irrelevant to the actual cutting function of the insert, no functional surfaces of the cutting insert according to the invention is processed material removal in this case.
Ein weiterer wesentlicher Vorteil der erfindungsgemäßen Lösung besteht darin, dass durch den Verzicht auf eine gezielte Schleifbearbeitung entlang der Schneidkanten keine Wärme in die Schneidplatte eingebracht wird, sodass es zu keinen Gefügeumwandlungen kommen kann und eventuell daraus resultierende Beschädigungen vermieden werden.Another essential advantage of the solution according to the invention is that no heat is introduced into the cutting plate as a result of the omission of a targeted grinding process along the cutting edges, so that microstructural transformations can not occur and any resulting damage can be avoided.
Bei der vorliegenden Erfindung besteht demnach eine Differenzierung in der Herstellung, da die Schneidplatten keiner weiteren materialabtragenden Bearbeitung an der Umfangsfläche bzw. Freifläche unterzogen werden. Die eventuell erforderliche materialabtragende Bearbeitung der Auflageflächen dient lediglich dazu, bei der Herstellung vorhandenes Aufmaß zu entfernen und damit eine in der Dicke sehr exakt maßhaltige Schneidplatte zu erzeugen. Dieses Herstellungsprinzip lässt sich sowohl für Schneidplatten mit nur einem als auch für Schneidplatten mit mehreren Schneidenteilen anwenden.In the present invention, therefore, there is a differentiation in the production, since the inserts are not subjected to any further material-removing processing on the peripheral surface or free space. The possibly required material-removing machining of the bearing surfaces serves only to remove existing oversize in the production and thus to produce a very accurate dimensionally accurate cutting plate in thickness. This manufacturing principle can be used both for cutting inserts with only one and for inserts with multiple cutting parts.
Eine sehr vorteilhafte Eigenschaft der vorliegenden Erfindung besteht darin, dass die Schneidkanten geschwungen bzw. bogenförmig ausgeführt sein können, so dass ein weicher Schnitt erfolgt und gleichzeitig keine Nacharbeit mittels Schleifen mehr durchgeführt wird.A very advantageous feature of the present invention is that the cutting edges can be curved or arcuate, so that a soft cut takes place and at the same time no reworking by means of grinding is performed.
In einer sehr vorteilhaften Weiterbildung der Erfindung kann vorgesehen sein, dass die Schneidplatte einer Maßhaltigkeit nach den
Eine weitere Verringerung der Herstellungskosten der Schneidplatte kann erreicht werden, wenn die Durchgangsöffnung der Schneidplatte einen kreisförmigen Querschnitt aufweist, welcher nach dem Sintern keine weitere Bearbeitung erfährt.A further reduction of the manufacturing costs of the cutting plate can be achieved if the through-opening of the cutting plate has a circular cross section, which undergoes no further processing after sintering.
Des Weiteren kann vorgesehen sein, dass das Schneidstoffpulver eines oder mehrere der nachfolgend genannten Materialien aufweist: WC-Co Hartmetalle, WC-(Ti/Ta/Nb)C-Co Hartmetalle, TiC/TiN-Co/Ni Cermets, PM-HSS, oder Schneidkeramik. Diese Materialien haben sich hinsichtlich der meisten Anwendungsfälle bei der zerspanenden Bearbeitung als sehr gut geeignet erwiesen, wobei die Schneidplatte mit Hartmetall-Schneidstoffpulvern besonders gut herstellbar ist.Furthermore, it can be provided that the cutting material powder comprises one or more of the following materials: WC-Co hard metals, WC- (Ti / Ta / Nb) C-Co hard metals, TiC / TiN-Co / Ni cermets, PM-HSS, or cutting ceramics. These materials have been found to be very well suited for most applications in the machining, the cutting plate with carbide cutting material powders is particularly easy to produce.
Eine verfahrensgemäße Lösung der Aufgabe ergibt sich durch die Merkmale von Anspruch 5.A procedural solution of the problem results from the features of
Mit dem erfindungsgemäßen Verfahren lässt sich die erfindungsgemäße Schneidplatte sehr einfach und kostengünstig herstellen.With the method according to the invention, the cutting insert according to the invention can be produced very simply and inexpensively.
Dabei kann eine sehr vorteilhafte Weiterbildung des Verfahrens darin bestehen, dass ein zur Bildung der Schneidplatte dienender Rohling vor dem Sintern durch Pressen mittels eines Presswerkzeugs unter Verwendung von mehrfach geteilten Matrizen in die gewünschte Form gebracht wird. Insbesondere wenn die Schneidplatte eine komplex ausgeprägte Schneidkante aufweist, welche mit Hinterschneidungen gekennzeichnet ist, ist zur Herstellung dieser Schneidplatte ein mehrteiliges Presswerkzeug sehr vorteilhaft. Zum Einsatz kommen hierfür geteilte Matrizen. Während des Füllvorgangs mit Schneidstoffpulver und dem anschließenden Verpressen sind die Matrizen geschlossen und werden erst zum Ausstoßen des Presslings geöffnet. Im Gegensatz dazu sehen die Lösungen gemäß dem Stand der Technik bei Presslingen, welche im Bereich der Freifläche bzw. am Umfang sowie der Spanleitstufe bzw. der Spanfläche eine materialabtragende Bearbeitung erhalten, Axialpressen vor. Beim Axialpressen erfolgt keine Bewegung der Matrize zum Ausstoßen des Presslings.In this case, a very advantageous development of the method may consist in that a blank serving to form the cutting plate is placed in front of the blank Sintering is brought by pressing by means of a pressing tool using multi-split dies in the desired shape. In particular, when the cutting plate has a complex cutting edge, which is characterized by undercuts, a multi-part pressing tool is very advantageous for the production of this cutting plate. Divided matrices are used for this purpose. During the filling process with cutting material powder and the subsequent pressing, the dies are closed and are only opened to eject the compact. In contrast, see the solutions according to the prior art in compacts, which receive a material-removing machining in the area of the free surface or at the periphery and the Spanleitstufe or the rake face, axial presses. In axial pressing, there is no movement of the die for ejecting the compact.
Eine Vereinfachung des Verfahrens ergibt sich, wenn durch das Pressen der Schneidplatte in mehrfach geteilten Matrizen bogenförmig ausgeführte Spanflächen und bogenförmig ausgeführte Freiflächen direkt in den Rohling eingebracht werden.A simplification of the method results when arcuately designed rake surfaces and arcuately executed open spaces are introduced directly into the blank by pressing the cutting plate in multiply divided matrices.
Um eine möglichst maßhaltige Schneidplatte herstellen zu können, kann des Weiteren vorgesehen sein, dass empirisch oder mittels Simulation des Sinterprozesses ermittelt wird, wie sich die Form des gesinterten Rohlings gegenüber der Form des gepressten Rohlings verändert, und dass diese ermittelte Veränderung bei der Gestaltung der Negativform des Presswerkzeugs berücksichtigt wird.In order to be able to produce a cutting insert that is as dimensionally stable as possible, it may further be provided that it is determined empirically or by means of simulation of the sintering process how the shape of the sintered blank changes with respect to the shape of the pressed blank, and that this change in the design of the negative mold of the pressing tool is taken into account.
Wenn außerdem zur Erhöhung der Verschleißbeständigkeit der gesinterten Schneidkanten vor dem Anbringen einer zusätzlichen Verschleißschutzbeschichtung die gesinterte Oberfläche der Schneidkanten, der Spanflächen und der Freiflächen einer Strahlbehandlung unterzogen werden, kann durch eine solche spezielle Vorbehandlungsmaßnahme vor dem Beschichten eine stark verbesserte Benetzbarkeit des Werkstoffs der Schneidplatte mit einer nachfolgenden Beschichtung erreicht werden. Dabei kann sichergestellt werden, dass es durch diese Maßnahme zu keiner Beeinträchtigung der Schneidkante in Form von mechanischen oder thermischen Defekten kommt.In addition, if the sintered cutting edges are to be subjected to a blast treatment in order to increase the wear resistance of the sintered cutting edges prior to the application of an additional wear protection coating, such a special pretreatment measure prior to coating can greatly improve the wettability of the cutting insert material subsequent coating can be achieved. It can be ensured that this measure does not affect the cutting edge in the form of mechanical or thermal defects.
In einer weiteren, sehr vorteilhaften Ausgestaltung des erfindungsgemäßen Verfahrens kann vorgesehen sein, dass zur Strahlbehandlung Aluminiumoxid mit einer Korngröße von 8 μm–27 μm unter Zuhilfenahme eines Drucks von 1,5–5,0 bar zum Einsatz kommt. Der Einsatz von Aluminiumoxid mit einer Korngröße von 8 μm–27 μm dient zur Optimierung der Sinterhaut bzw. der Randzone bei einer durch Kobaltauswaschungen verursachten Kobaltarmut. Durch Bestrahlung der Schneidplatte mit Aluminiumoxid unter Einsatz eines Drucks im Bereich von 1,5–5,0 bar und dem damit verbundenen Abgleiten der Körner entlang der Span- und Freiflächen wird eine Verbesserung der Oberflächengüte erzielt und gleichzeitig wird sich die Verschleißbeständigkeit einer gesinterten Oberfläche zu Nutze gemacht. Gleichfalls erfolgt, wie oben erwähnt, eine bessere Empfänglichkeit für das nachgelagerte Beschichten, wodurch eine bessere Anbindung von Schneidplattengrundsubstrat und Beschichtung garantiert wird.In a further, very advantageous embodiment of the method according to the invention can be provided that the jet treatment alumina with a particle size of 8 microns-27 microns with the aid of a pressure of 1.5-5.0 bar is used. The use of aluminum oxide with a particle size of 8 μm-27 μm serves to optimize the sinter skin or the edge zone in the case of low cobalt caused by cobalt leaching. By irradiating the cutting plate with alumina using a pressure in the range of 1.5-5.0 bar and the associated sliding of the grains along the chip and flank surfaces, an improvement of the surface quality is achieved and at the same time the wear resistance of a sintered surface increases Use made. Likewise, as mentioned above, there is better susceptibility to the subsequent coating, which guarantees better bonding of the die base substrate and the coating.
In Anspruch 11 ist ein Schneidwerkzeug mit einer erfindungsgemäßen Schneidplatte angegeben.In claim 11, a cutting tool is provided with an insert according to the invention.
Die erfindungsgemäße ausgestaltete Schneidplatte und das zu ihr passende, erfindungsgemäße Schneidwerkzeug erlauben eine einfache und sichere Ausrichtung und Fixierung der Schneidplatte im Schneidwerkzeug und stellen damit eine vorteilhafte Alternative zum Stand der Technik dar. Eine Neueinstellung der Schneidplatte nach dem Schneidplattenwechsel bzw. Schneidplattenwenden entfällt bei diesem Schneidwerkzeug.The inventive designed cutting plate and matching to her, cutting tool according to the invention allow a simple and secure alignment and fixation of the cutting plate in the cutting tool and thus represent an advantageous alternative to the prior art. A readjustment of the insert after the cutting tip or Schneidplattenwenden omitted in this cutting tool ,
Um eine sehr exakte Anlage der Schneidplatte in der Nut des Schneidwerkzeugs zu erreichen, kann vorgesehen sein, dass die Befestigungsschraube mit der Kreisform des Querschnitts der Durchgangsöffnung der Schneidplatte eine Einpunktanlage bildet.In order to achieve a very exact contact of the cutting plate in the groove of the cutting tool, it can be provided that the fastening screw with the circular shape of the cross section of the through hole of the cutting plate forms a one-point system.
Nachfolgend sind Ausführungsbeispiele der Erfindung anhand der Zeichnung prinzipmäßig beschrieben.Embodiments of the invention are described in principle with reference to the drawings.
Es zeigt:It shows:
Ein in
Der vordere Teil des Aufnahmeschafts
Die Bohrung
Der erste Bohrungsabschnitt
Der zweite Bohrungsabschnitt
Zur Lagesicherung bzw. Befestigung der Schneidplatte
In den
Sämtliche Schneidplatten
Die Schneidplatte
Durch die materialabtragende Bearbeitung der Auflageflächen
Die in
Um die Schneidplatte
Wird nun der Schaft
Zusätzlich wird eine weitere Vorspannung der Schneidplatte
Beim weiteren Anziehen der Befestigungsschraube
In
Durch Rotation des Schneidwerkzeugs
Zur Herstellung der Schneidplatte
Zur Herstellung der Schneidplatte
Dabei erhalten sowohl die Spanflächen
Um eine beim Sintern auftretende Schwindung des gepressten Rohlings zu kompensieren, wird vorzugsweise zunächst empirisch ermittelt, d. h. durch mehrfaches Herstellen und Vermessens unterschiedlich dimensionierter Schneidplattenrohlinge in einem iterativen Prozess festgestellt, wie sich die Form des gesinterten Rohlings gegenüber der Form des gepressten Rohlings verändert. Danach wird das Presswerkezug
Als weiteres Herstellungsverfahren zur Verbesserung der Eigenschaften der Schneidkante
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- EP 0523404 B1 [0007] EP 0523404 B1 [0007]
- DE 10308036 B4 [0007] DE 10308036 B4 [0007]
- DE 60006839 T2 [0007] DE 60006839 T2 [0007]
- DE 102011087507 A1 [0008, 0009] DE 102011087507 A1 [0008, 0009]
Zitierte Nicht-PatentliteraturCited non-patent literature
- DIN ISO 1832 [0003] DIN ISO 1832 [0003]
- DIN ISO 1832 bzw. DIN ISO 6987 [0003] DIN ISO 1832 or DIN ISO 6987 [0003]
- DIN ISO 1832 bzw. DIN ISO 6987 [0004] DIN ISO 1832 or DIN ISO 6987 [0004]
- DIN ISO 1832 [0004] DIN ISO 1832 [0004]
- Toleranzklassen J, K, L, M und N nach DIN ISO 1832 [0016] Tolerance classes J, K, L, M and N according to DIN ISO 1832 [0016]
- Toleranzklassen J, K, L, M und N nach DIN ISO 1832 [0049] Tolerance classes J, K, L, M and N according to DIN ISO 1832 [0049]
Claims (12)
Priority Applications (3)
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DE202015009493.7U DE202015009493U1 (en) | 2015-05-13 | 2015-05-13 | Cutting plate and cutting tool |
DE102015107585.7A DE102015107585A1 (en) | 2015-05-13 | 2015-05-13 | Cutting plate, method for producing a cutting plate and cutting tool |
CN201620439241.0U CN205851948U (en) | 2015-05-13 | 2016-05-13 | Blade and cutter |
Applications Claiming Priority (1)
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DE102015107585.7A DE102015107585A1 (en) | 2015-05-13 | 2015-05-13 | Cutting plate, method for producing a cutting plate and cutting tool |
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DE102015107585A1 true DE102015107585A1 (en) | 2016-11-17 |
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DE102015107585.7A Withdrawn DE102015107585A1 (en) | 2015-05-13 | 2015-05-13 | Cutting plate, method for producing a cutting plate and cutting tool |
DE202015009493.7U Expired - Lifetime DE202015009493U1 (en) | 2015-05-13 | 2015-05-13 | Cutting plate and cutting tool |
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DE202015009493.7U Expired - Lifetime DE202015009493U1 (en) | 2015-05-13 | 2015-05-13 | Cutting plate and cutting tool |
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DE (2) | DE102015107585A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6164389B1 (en) * | 2015-09-24 | 2017-07-19 | 三菱日立ツール株式会社 | Replaceable cutting tool |
EP3403817A1 (en) | 2017-05-18 | 2018-11-21 | Walter Ag | Cutting plate and method and compression mold for producing a green body of the cutting plate |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111761111B (en) * | 2019-04-01 | 2023-03-21 | 京瓷株式会社 | End mill |
CN111015133B (en) * | 2019-12-31 | 2021-08-03 | 江苏悍狮霸智能科技有限公司 | Processing technology and equipment for pressing plate for fixing blade |
CN113199209B (en) * | 2021-04-02 | 2022-04-15 | 无锡蓬天工具有限公司 | High-strength hole saw and manufacturing method thereof |
Citations (4)
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---|---|---|---|---|
EP0523404B1 (en) | 1991-06-20 | 1995-09-20 | Walter Kieninger GmbH Hartmetall- und Diamantwerkzeugfabrik | Tool for milling and drilling with two cutting edges |
DE60006839T2 (en) | 1999-10-07 | 2004-04-15 | Iscar Ltd. | MILLING MACHINE AND ITS CUTTING INSERT |
DE10308036B4 (en) | 2003-02-26 | 2007-12-20 | Fette Gmbh | Ball end mills |
DE102011087507A1 (en) | 2010-12-01 | 2012-06-06 | Ceramtec Gmbh | Partially finished / finished sintered indexable insert |
-
2015
- 2015-05-13 DE DE102015107585.7A patent/DE102015107585A1/en not_active Withdrawn
- 2015-05-13 DE DE202015009493.7U patent/DE202015009493U1/en not_active Expired - Lifetime
-
2016
- 2016-05-13 CN CN201620439241.0U patent/CN205851948U/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0523404B1 (en) | 1991-06-20 | 1995-09-20 | Walter Kieninger GmbH Hartmetall- und Diamantwerkzeugfabrik | Tool for milling and drilling with two cutting edges |
DE60006839T2 (en) | 1999-10-07 | 2004-04-15 | Iscar Ltd. | MILLING MACHINE AND ITS CUTTING INSERT |
DE10308036B4 (en) | 2003-02-26 | 2007-12-20 | Fette Gmbh | Ball end mills |
DE102011087507A1 (en) | 2010-12-01 | 2012-06-06 | Ceramtec Gmbh | Partially finished / finished sintered indexable insert |
Non-Patent Citations (6)
Title |
---|
DIN ISO 1832 bzw. DIN ISO 6987 |
Norm DIN ISO 1832 2014-10-00. Wendeschneidplatten für Zerspanwerkzeuge - Bezeichnung (ISO 1832:2012) * |
Norm DIN ISO 1832 2014-10-00. Wendeschneidplatten für Zerspanwerkzeuge – Bezeichnung (ISO 1832:2012) |
Norm DIN ISO 6987 2014-02-00. Wendeschneidplatten aus Hartmetall mit Eckenrundungen und teilweise zylindrischer Befestigungsbohrung - Maße (ISO 6987:2012) * |
Norm DIN ISO 6987 2014-02-00. Wendeschneidplatten aus Hartmetall mit Eckenrundungen und teilweise zylindrischer Befestigungsbohrung – Maße (ISO 6987:2012) |
Toleranzklassen J, K, L, M und N nach DIN ISO 1832 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6164389B1 (en) * | 2015-09-24 | 2017-07-19 | 三菱日立ツール株式会社 | Replaceable cutting tool |
EP3403817A1 (en) | 2017-05-18 | 2018-11-21 | Walter Ag | Cutting plate and method and compression mold for producing a green body of the cutting plate |
WO2018210634A1 (en) | 2017-05-18 | 2018-11-22 | Walter Ag | Cutting plate and method and compression mold for producing a green body of the cutting plate |
US20210362249A1 (en) * | 2017-05-18 | 2021-11-25 | Walter Ag | Cutting plate and method and compression mold for producing a green body of the cutting plate |
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DE202015009493U1 (en) | 2018-01-19 |
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