WO2003000450A2 - Fraise a queue pourvue d'une plaquette amovible - Google Patents

Fraise a queue pourvue d'une plaquette amovible Download PDF

Info

Publication number
WO2003000450A2
WO2003000450A2 PCT/EP2002/006753 EP0206753W WO03000450A2 WO 2003000450 A2 WO2003000450 A2 WO 2003000450A2 EP 0206753 W EP0206753 W EP 0206753W WO 03000450 A2 WO03000450 A2 WO 03000450A2
Authority
WO
WIPO (PCT)
Prior art keywords
insert
receiving body
slot
cutting
channels
Prior art date
Application number
PCT/EP2002/006753
Other languages
German (de)
English (en)
Inventor
Heinz Deitert
Ulrich Brüggemann
Original Assignee
Depo Frästechnik Gmbh & Co. 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 Depo Frästechnik Gmbh & Co. Kg filed Critical Depo Frästechnik Gmbh & Co. Kg
Publication of WO2003000450A2 publication Critical patent/WO2003000450A2/fr

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
    • B23C2222/28—Details of hard metal, i.e. cemented carbide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2250/00—Compensating adverse effects during milling
    • B23C2250/12—Cooling and lubrication

Definitions

  • the invention relates to a end mill for machine milling consisting of a cutting insert holder with a clamping shank and a receiving body, which has a diametrically continuous slot open on the end face remote from the clamping shank, and a carbide indexable insert that is detachably inserted into this slot has two, at least over the end face of the receiving body of the insert holder, mutually symmetrical cutting edges.
  • the coolant is a coolant or cutting liquid; in principle, the coolant can also be air.
  • milling technology there are rotating milling tools that are drilled through to bring the coolant through the tools to the cutting edges.
  • milling machines in which such milling tools are used can have a suitably designed tool holder in order to be able to introduce the coolant into the milling tool coaxially with the axis of rotation.
  • the invention is therefore based on the object of providing a end mill of the generic type, through which the coolant can be brought up to the cutting edges of the carbide indexable insert, the channels used for guiding the coolant being provided where the material strength of the entire tool is not affected.
  • a coolant channel extends coaxially through the clamping shank of the insert holder and extends to the slot of the receiving body in two channel branches, to which end channels leading to the cutting edges in the area on both sides of the insert , It is essential for the invention that the end channels leading to the cutting of the indexable insert made of hard metal are located in the region of the flank of the slot in the receiving body of the indexable insert holder and the opposite side surfaces of the indexable insert made of hard metal which are supported thereon.
  • the indexable insert which is arranged in the insert holder diametrically to the axis of rotation, does not have to be drilled through in the direction of this axis or parallel to it.
  • the coolant channel is arranged coaxially in the region of the clamping shank, with which a finger milling cutter according to the invention can be used in milling machines which allow the coolant to be fed coaxially with the axis of rotation into the milling tool.
  • the hard metal insert can be strong enough to form the end channels in the side surfaces of the insert.
  • the transition between the two channel branches, in which the coolant channel continues in the shaft of the insert holder is to the end channels formed in the side surfaces of the insert in the area of the slot base in the receiving body of the insert holder.
  • the end channels can be wholly or at least partially in the slot of the receiving body of the insert holder delimiting support surfaces. Accordingly, the channel branches adjoining the coolant channel in the clamping shank of the insert holder diverge somewhat more.
  • FIG. 1 is a first side view of a end mill with insert holder and insert inserted therein
  • FIG. 2 shows a side view of the end mill rotated by 90 ° compared to FIG. 1,
  • Fig. 3 is a detailed side view of an indexable insert for a end mill according to Figures 1 and 2 and
  • FIG. 4 shows a perspective view of the indexable insert according to FIG. 3.
  • the cutting insert holder 1 which has a clamping shank 2 which merges into a receiving body 3 for an indexable cutting insert 6.
  • the receiving body 3 has a diametrically continuous slot 4, which the end face 5 of the receiving body 3 remote from the clamping shaft 2 is open.
  • the indexable insert 6 is interchangeably arranged in the receiving body 3 and secured therein by means of a screw 7 inserted transversely to it.
  • the indexable insert 6, which is made of hard metal has two blades 8 and 9 that are rotationally symmetrical to one another, these two blades 8, 9 adjoin one another at the apex lying on the axis of rotation of the end mill.
  • a coolant channel 10 extends coaxially through the clamping shaft 2 of the insert holder 1, which continues in the receiving body 3 and merges therein into two channel branches 11, the mouth of which lies at least partially in the region of the base 16 of the slot 4 passing through the receiving body 3, as is shown in FIG Fig. 2 illustrates.
  • End channels 12 adjoin the mouths of the channel branches 11, which extend along the side surfaces 14 of the cutting plate 6 which can be seen in FIG. 4 and which have free mouths 13 near their two cutting edges 8, 9.
  • the end channels 12 can be molded with their entire cross-section into the two side surfaces 14 of the cutting plate 6, provided that the thickness of the cutting plate 6 made of hard metal permits this.
  • Fig. 2 it is indicated that part of the cross section of the end channels 12 into the slot 4th of the receiving body 3 delimiting support surfaces 15 for the cutting plate 6 are formed.
  • the end channels 12 leading to the cutting edges 8, 9 of the cutting plate 6 can also be fully molded into the support surfaces 15 on both sides of the slot 4 of the receiving body 3.

Abstract

L'invention concerne une fraise à queue conçue pour le fraisage mécanique et comprenant un support de matrice de découpage constitué d'une queue de serrage et d'un corps de réception pourvu d'une fente ouverte diamétrale se trouvant du côté situé à distance de la queue de serrage. Une plaquette amovible constituée de métal dur est insérée de manière amovible dans ladite fente. Cette plaquette comporte deux arêtes tranchantes à symétrie de révolution faisant saillie au moins au-delà de la face avant du corps de réception du support de matrice de découpage. L'objectif de l'invention est de pouvoir guider l'agent réfrigérant jusqu'aux arêtes tranchantes de la plaquette amovible à travers la fraise à queue. A cet effet, un canal d'agent réfrigérant s'étend coaxialement à travers la queue de serrage du support de matrice de découpage et se prolonge vers ladite fente du corps de réception sous la forme de deux branches de canal auxquelles sont reliés deux canaux d'extrémité menant aux arêtes tranchantes au niveau des deux côtés de la matrice de découpage.
PCT/EP2002/006753 2001-06-22 2002-06-19 Fraise a queue pourvue d'une plaquette amovible WO2003000450A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2001130200 DE10130200A1 (de) 2001-06-22 2001-06-22 Fingerfräser mit Wendeschneidplatte
DE10130200.2 2001-06-22

Publications (1)

Publication Number Publication Date
WO2003000450A2 true WO2003000450A2 (fr) 2003-01-03

Family

ID=7689110

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/006753 WO2003000450A2 (fr) 2001-06-22 2002-06-19 Fraise a queue pourvue d'une plaquette amovible

Country Status (2)

Country Link
DE (1) DE10130200A1 (fr)
WO (1) WO2003000450A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010107602A2 (fr) 2009-03-18 2010-09-23 Kennametal Inc. Outil de coupe ayant un système d'amenée de réfrigérant pour fournir du liquide de coupe selon une configuration en éventail
US9623493B2 (en) 2008-11-19 2017-04-18 Kennametal Inc. Double-sided ball end mill cutting insert and tool therefor
CN111745201A (zh) * 2019-03-29 2020-10-09 京瓷株式会社 立铣刀
WO2021190415A1 (fr) * 2020-03-27 2021-09-30 京瓷株式会社 Plaquette de coupe et outil de coupe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3740814A1 (de) * 1987-12-02 1989-06-15 Hertel Ag Werkzeuge Hartstoff Klemmwerkzeug zur spanenden formgebung
JP4322979B2 (ja) * 1998-10-28 2009-09-02 ダイジ▲ェ▼ット工業株式会社 スローアウェイ式ボールエンドミル及びスローアウェイチップ

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9623493B2 (en) 2008-11-19 2017-04-18 Kennametal Inc. Double-sided ball end mill cutting insert and tool therefor
WO2010107602A2 (fr) 2009-03-18 2010-09-23 Kennametal Inc. Outil de coupe ayant un système d'amenée de réfrigérant pour fournir du liquide de coupe selon une configuration en éventail
EP2408583A2 (fr) * 2009-03-18 2012-01-25 Kennametal Inc. Outil de coupe ayant un système d'amenée de réfrigérant pour fournir du liquide de coupe selon une configuration en éventail
EP2408583A4 (fr) * 2009-03-18 2012-09-19 Kennametal Inc Outil de coupe ayant un système d'amenée de réfrigérant pour fournir du liquide de coupe selon une configuration en éventail
CN111745201A (zh) * 2019-03-29 2020-10-09 京瓷株式会社 立铣刀
CN111745201B (zh) * 2019-03-29 2023-07-25 京瓷株式会社 立铣刀
WO2021190415A1 (fr) * 2020-03-27 2021-09-30 京瓷株式会社 Plaquette de coupe et outil de coupe

Also Published As

Publication number Publication date
DE10130200A1 (de) 2003-01-09

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