EP2601001A2 - Outil d'usinage par enlèvement de copeaux - Google Patents

Outil d'usinage par enlèvement de copeaux

Info

Publication number
EP2601001A2
EP2601001A2 EP11819447.1A EP11819447A EP2601001A2 EP 2601001 A2 EP2601001 A2 EP 2601001A2 EP 11819447 A EP11819447 A EP 11819447A EP 2601001 A2 EP2601001 A2 EP 2601001A2
Authority
EP
European Patent Office
Prior art keywords
cutting
tool
cutting part
reinforced plastic
cutting tool
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Withdrawn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
EP11819447.1A
Other languages
German (de)
English (en)
Inventor
Lufti Bozkurt
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.)
Guehring KG
Original Assignee
Guehring KG
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 Guehring KG filed Critical Guehring KG
Publication of EP2601001A2 publication Critical patent/EP2601001A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/005—Cylindrical shanks of tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/28—Features relating to lubricating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D77/00—Reaming tools
    • B23D77/02—Reamers with inserted cutting edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2226/00—Materials of tools or workpieces not comprising a metal
    • B23B2226/27—Composites
    • B23B2226/275—Carbon fibre reinforced carbon composites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2226/00—Materials of tools or workpieces not comprising a metal
    • B23B2226/61—Plastics not otherwise provided for, e.g. nylon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2226/00—Materials of tools or workpieces not comprising a metal
    • B23C2226/27—Composites, e.g. fibre reinforced composites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2226/00—Materials of tools or workpieces not comprising a metal
    • B23C2226/61—Plastics not otherwise provided for, e.g. nylon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G2225/00—Materials of threading tools, workpieces or other structural elements
    • B23G2225/40—Plastics not otherwise provided for
    • 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
    • Y10T407/14—Cutters, for shaping with means to apply fluid to cutting 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 cutting tool with a cutting part and a main body carrying the cutting part.
  • the invention is based on conventional standing or rotary cutting tools, z.
  • drilling, milling or turning tools So far, such tools whose construction and operation are well known, one or more parts made of a metal, ceramic or ceramic composite material.
  • Such tools naturally have a relatively high mass and are relatively stiff. In the machining of a workpiece, therefore, there are regularly vibrations that transmit from the cutting part to the tool body. These vibrations cause vibration noise and may adversely affect the surface finish of the machined workpiece surface.
  • the invention is therefore based on the object to develop a cutting tool, which is characterized by a lower weight and good vibration properties.
  • An inventive cutting tool has a cutting part and a main body carrying the cutting part.
  • the cutting part and the base body may be integrally connected to each other, so that the cutting tool can be composed of a separately produced first cutting part and body integrally or alternatively be made in one piece from a solid material.
  • the cutting part and the base body can also be releasably connected to each other, the cutting tool can therefore be modular. Both the cutting body
  • the cutting part can also be a variety of cutting bodies, for. As inserts or cutting strips, which are connected to a body connected to the body, z. B. on a cartridge bearing a cutting plate are arranged.
  • the main body which carries the cutting part or the aforementioned carrier body and over which the
  • Cutter tool is clamped in, for example, a tool holder, may also be constructed in one piece or in several parts.
  • An inventive cutting tool is characterized in that it is at least partially made of a fiber-reinforced plastic. At least in part in this context means that it is made in one piece from a body made of fiber-reinforced plastic, for. B. an extruded (pultruded) rod, is manufactured, or that one or more selected functional sections are made of fiber-reinforced plastic.
  • Such functional sections are sections which have the function of transmitting forces and / or torques occurring during machining between the cutting part and the base body. Such functional sections can thus be the main body and / or the cutting part.
  • these functional sections but also include functionally or structurally delimitable components of the body and / or cutting part, for example, on the side of the body a shaft portion or on the side of the cutting part, the above-mentioned carrier body, for. B. cassette, or the above-mentioned cutting body.
  • a cutting tool By using a fiber-reinforced plastic, for which in particular CFRP (carbon fiber reinforced plastic) or CFC (carbon fiber reinforced carbon) are suitable, a cutting tool can be produced, which is distinguished from conventional metal or ceramic cutting tools by a lower weight.
  • CFRP carbon fiber reinforced plastic
  • CFC carbon fiber reinforced carbon
  • a fiber-reinforced plastic bearing the special requirements for the respective functional section and corresponding processing, in particular fiber density and fiber orientation the required properties with regard to rigidity, impact resistance and vibration and noise damping can be achieved.
  • Preferred fiber-reinforced plastics are extruded CFRP round rods embedded in a synthetic resin matrix at least for an integrally constructed cutting tool. short fibers, which are aligned substantially unidirectionally in the longitudinal direction of the cutting tool. In addition to the aforementioned properties, such fiber-reinforced plastics can be processed more easily than the conventionally used metal-based or ceramic-based materials.
  • the cutting tool according to the invention in the case of a one-piece construction
  • the at least one functional section in the case of a multi-part construction
  • a tool blank made of a fiber-reinforced plastic.
  • the main and / or secondary cutting geometry required for the cutting for. B. by embedding, incorporated, while processed in the region of the body of the tool blank for recording and tension in a tool holder.
  • the blank of the tool is machined only with regard to the functions intended for the respective functional section.
  • the tool blank can be a cylindrically wound laminate, i. H. the tool blank may be formed of a plurality of fibrous webs embedded in a synthetic resin matrix, which are cylindrically wound, for example, around a core of solid resin material or a hollow core.
  • the tool blank can also be an injection molding, transfer molding or stranding member.
  • Tool blanks which are produced by one of the latter methods, in particular by pultrusion are characterized by short fibers embedded in a matrix of synthetic resin and therefore have the advantage over the laminates, which are usually only long fibers, that clearly defined surfaces, even with small diameters, For example, a driver surface, and defined edges, such as a main and secondary cutting edges, can train exactly.
  • the cutting tool according to the invention is manufactured in one piece. It was recognized that for selected applications, such. As the wood and plastics processing but also the machining of easily machinable light metal materials, a cutting tool that is integrally made of a fiber-reinforced plastic, the Zerspanungsan petitionen quite grown.
  • the fiber-reinforced plastic material used for tool production is taking into account the respective expected requirements, eg. B. in terms of strength and rigidity, selected accordingly. Therefore CFK and CFC materials are preferably used for the one-piece cutting tools.
  • the cutting part may comprise one or more cutting bodies.
  • the cutting part can therefore be formed in one piece or more cutting body z. B. plates in the form of cutting or cutting strips.
  • the cutting part or the cutting bodies can be made of a steel material, hard metal or a ceramic composite material.
  • the cutting bodies can be arranged, for example glued, to the base body or to a carrier body connected to the base body.
  • the carrier body may be, for example, a cassette on which a cutting body, for. B. an insert, for example, is adjustably mounted.
  • the base body and / or the carrier body may be made of a fiber-reinforced plastic. The bonding of the cutting body to a material made of fiber-reinforced plastic is easy and reliable to implement.
  • the cutting body on the main body or carrier body but also be screwed or held by Spannpratzen.
  • a fiber reinforced plastic for at least one of the functional sections of a cutting tool permits the provision of an internal coolant and / or lubricant supply channel system.
  • this cooling and / or lubricant supply channel system passes through the functional section formed from the fiber-reinforced plastic, the education simplifies enormously compared to conventional steel or ceramic materials.
  • FIG. 1 shows a first embodiment of a cutting tool according to the invention.
  • Fig. 2 shows a second embodiment of a cutting tool according to the invention.
  • FIG 3 shows a third embodiment of a cutting tool according to the invention.
  • the first embodiment shown in FIG. 1 is a
  • the drill 1 has a cutting part and a main body 3 carrying the cutting part 2.
  • the main body 3 and the cutting part 2 are formed as functional sections on a pultruded round rod made of a carbon fiber reinforced plastic (CFRP), in which short fibers in a Matrix are embedded in synthetic resin.
  • CFRP carbon fiber reinforced plastic
  • the drill 1 is therefore made in one piece.
  • the main body 3 defines a cylindrical shaft portion for clamping in a (not shown) tool holder.
  • main and secondary cutting edges are ground in the manner known per se.
  • the second embodiment shown in FIG. 2 relates to a cutting tool in the form of a multi-part drilling tool 10.
  • the drilling tool 10 has a cutting part 12 and a main body 13 carrying the cutting part 12.
  • the main body 13 has on the side facing away from the cutting part 12 an HSK (hollow shaft cone) section 14 for coupling the drilling tool 10 to a (not shown) machine tool.
  • the cutting part 12 is formed here from a multiplicity of plate-shaped cutting bodies 12a, 12b, 12c, 12d which are arranged at a distance from the end of the main body 13 in the circumferential direction at a distance from the HSK section 14.
  • the base body 13 is made of a carbon fiber reinforced plastic (CFRP).
  • CFRP carbon fiber reinforced plastic
  • the base body 13 is made as in the first embodiment by machining a Pultrud striv round rod.
  • the Schneidplatteri 12a, 12b, 12c, 12d are made of a known material, for. B. carbide, PCD, CBN or the like, and glued in formed on the base body 13 pocket-shaped recesses.
  • the cutting tool shown in FIG. 2 also has an internal cooling and lubricant supply channel system formed in the main body 13, which is formed by a central channel 15 which leads via branch channels 16 to the cutting plates 12a, 12b, 12c, 12d.
  • Fig. 3 shows an exploded view of an inventive
  • the multi-stage reamer 100 shown in FIG. 3 has a main body 130, which has a first carrier body 131, a second carrier body 132 and an HSK section 133 for coupling the drilling tool 10 to a machine tool (not shown).
  • the first carrier body 131 and the second carrier body 132 are connected to each other with respect to the tool axis 140 coaxially with the HSK portion 133.
  • the first carrier body 131 is positively frictionally received in an inner bore 134 of the HS K section 133, while the second carrier body 132 is frictionally seated on a cylindrical section 135 of the HSK section 133.
  • the first carrier body 131 and the second cutter carrier 132 are each equipped with a plurality of PCD, CBN or carbide cutting edges, which are fixedly attached or adjustable by means of a fine adjustment device, not shown, on the respective carrier body.
  • the plate-shaped cutting body forming the cutting part designated 121 are directly attached (glued or screwed) to the first carrier body.
  • the plate-shaped cutting bodies forming the cutting parts designated 122 and 123 can be fastened (glued or screwed) on cassettes not shown in detail, which are adjustably fixed in corresponding pocket-shaped recesses of the support body 132.
  • the adjustability is included preferably made such that it has three in Fig. 3 with the arrows R, A and N designated degrees of freedom.
  • the main body 130 13 made of a carbon fiber reinforced plastic (CFRP).
  • the first carrier body 131, the second carrier body 132 and the HSK portion 133 are made by machining a pultruded round bar.
  • the cassette carrying the plate-shaped cutting body, which are arranged on the second cutter support 132 made of a carbon fiber reinforced plastic (CFRP).
  • all the other functional portions of the main body and cutting part are made of a fiber-reinforced plastic (CFRP) except for the cutting bodies. But this is not absolutely necessary. It would be conceivable that only selected functional sections, in which multi-stage reamer according to the third embodiment, for example, only the cassettes carrying the cutting bodies, the first carrier body 131 and / or the second carrier body 132 are made of a fiber-reinforced plastic (CFK), while the HSK Section is made of the usual metal materials.
  • CFRP fiber-reinforced plastic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Drilling Tools (AREA)
  • Milling Processes (AREA)

Abstract

L'invention concerne un outil d'usinage par enlèvement de copeaux (1) comprenant un élément de coupe (2) et un corps principal (3) portant ledit élément de coupe. Selon l'invention, le corps principal (3) et/ou l'élément de coupe (2) sont constitués au moins partiellement d'un matériau plastique renforcé de fibres, en particulier de plastique renforcé de fibres de carbone (PRFC) ou de composite carbone/carbone.
EP11819447.1A 2010-08-05 2011-08-05 Outil d'usinage par enlèvement de copeaux Withdrawn EP2601001A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010036869A DE102010036869A1 (de) 2010-08-05 2010-08-05 Zerspanungswerkzeug
PCT/DE2011/001556 WO2012025092A2 (fr) 2010-08-05 2011-08-05 Outil d'usinage par enlèvement de copeaux

Publications (1)

Publication Number Publication Date
EP2601001A2 true EP2601001A2 (fr) 2013-06-12

Family

ID=45494970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11819447.1A Withdrawn EP2601001A2 (fr) 2010-08-05 2011-08-05 Outil d'usinage par enlèvement de copeaux

Country Status (4)

Country Link
US (1) US9623494B2 (fr)
EP (1) EP2601001A2 (fr)
DE (1) DE102010036869A1 (fr)
WO (1) WO2012025092A2 (fr)

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GB201116115D0 (en) * 2011-09-19 2011-11-02 White Jamie Combination drill reamer for machining advanced materials
DE102012020185B3 (de) 2012-10-15 2014-03-06 Kennametal Inc. Reibahle
DE102013108209B3 (de) * 2013-07-31 2014-12-11 Haimer Gmbh Werkzeugaufnahme
DE102016004258A1 (de) * 2016-04-08 2017-10-12 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Fräswerkzeug für eine Fräsmaschine zum Fräsen von Kurbelwellen und Fräsmaschine mit dem Fräswerkzeug
DE102017120046A1 (de) * 2017-08-31 2019-02-28 Thyssenkrupp Ag Werkzeugträger zur Aufnahme von Arbeitsmitteln mit geometrisch bestimmter oder unbestimmter Schneide und Baukasten zur Bildung eines derartigen Werkzeugträgers
CN108608040B (zh) * 2018-05-10 2020-04-07 大连理工大学 用于复合材料及其叠层结构高质量制孔的竖刃双阶梯微齿刀具
CH715623A1 (de) * 2018-12-11 2020-06-15 Kunststoffwerk Ag Buchs Werkzeug zur rotierenden und spanabhebenden Bearbeitung von Werkstücken.
EP3772384A1 (fr) * 2019-08-07 2021-02-10 KOMET Deutschland GmbH Outil rotatif d'usinage par enlèvement de copeaux
US11504784B2 (en) 2020-12-09 2022-11-22 Kennametal Inc. Cutting tool with interconnected arms for increased stiffness to weight ratio
US11571759B2 (en) 2020-12-09 2023-02-07 Kennametal Inc. Cutting tool with directed fluid flow to facilitate chip evacuation
US11883894B2 (en) 2021-07-13 2024-01-30 Kennametal Inc. Composite cutting tool
US11911835B2 (en) 2022-03-23 2024-02-27 Kennametal Inc. Lightweight rotary cutting tool

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Also Published As

Publication number Publication date
US9623494B2 (en) 2017-04-18
US20130216318A1 (en) 2013-08-22
WO2012025092A2 (fr) 2012-03-01
DE102010036869A1 (de) 2012-02-09
WO2012025092A3 (fr) 2012-06-14

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