DE20118111U1 - Indexable insert drilling or milling tool, in particular indexable insert drill - Google Patents

Indexable insert drilling or milling tool, in particular indexable insert drill

Info

Publication number
DE20118111U1
DE20118111U1 DE20118111U DE20118111U DE20118111U1 DE 20118111 U1 DE20118111 U1 DE 20118111U1 DE 20118111 U DE20118111 U DE 20118111U DE 20118111 U DE20118111 U DE 20118111U DE 20118111 U1 DE20118111 U1 DE 20118111U1
Authority
DE
Germany
Prior art keywords
cutting
perforated
tool according
insert
indexable insert
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.)
Expired - Lifetime
Application number
DE20118111U
Other languages
German (de)
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.)
Kennametal Inc
Original Assignee
Kennametal Inc
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 Kennametal Inc filed Critical Kennametal Inc
Priority to DE20118111U priority Critical patent/DE20118111U1/en
Publication of DE20118111U1 publication Critical patent/DE20118111U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/141—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (6)

1. Wendeplatten-Bohr- oder -Fräswerkzeug, insbesondere Wendeplattenboh­ rer (1),
  • - mit mehreren, insbesondere mit zwei an der Stirnseite eines Werk­ zeugträgers, insbesondere eines Bohrschaftes (2) radial zur Ach­ se (3) des Werkzeugträgers in unterschiedliche, insbesondere in einander entgegengesetzte Richtungen (8, 9) abstehenden Schaft­ vorsprüngen (10,11) und
  • - mit auf diesen Schaftvorsprüngen (10,11) in jeweils einer Ausneh­ mung (12 bzw. 13) seitlich abgestützt und gegen den Boden (47) der Ausnehmung (12, 13) gespannt einer Lochwendeplatte (14, 15) aus einem harten Schneidwerkstoff, insbesondere aus Hartmetall,
    • - welche Lochwendeplatte (14, 15) zwei planparallele Deckflä­ chen (16, 17) und eine im Wesentlichen etwa rhombische Um­ rissform mit zwei wahlweise in Schneidstellung bringbaren, einander diagonal gegenüberliegenden Schneidspit­ zen (18, 19) aufweist,
    • - wobei die beiden Diagonalen (48, 49) der angenäherten Rhombusform unterschiedlich lang sind und die längere Rhombusdiagonale (48) eine Winkelhalbierende der beiden spitzwinkligen Schneidspitzen (18, 19) der Lochwendeplatte bildet und
    • - wobei die Übergangsbereiche zwischen den beiden Schneid­ spitzen (18 bzw. 19) und den stumpfwinkligen Ecken (51, 52) der angenäherten Rhombusform jeweils zwei stumpfwinklig aneinander stoßende Schneidenbereiche (22, 23; 24, 25 bzw. 26, 27; 28, 29) enthalten.
dadurch gekennzeichnet, dass die beiden Schneidspitzen (18, 19) jeweils einer der beiden zueinander planparallelen Deckflächen (16, 17) der Lochwendeplatte (15, 14) zugeord­ net sind.1. indexable insert drilling or milling tool, in particular indexable insert drill ( 1 ),
  • - With several, in particular with two on the end face of a tool holder, in particular a drill shaft ( 2 ) projecting radially to the axis se ( 3 ) of the tool holder in different, in particular mutually opposite directions ( 8 , 9 ) projecting shank ( 10 , 11 ) and
  • - With on these shaft projections ( 10 , 11 ) in each Ausneh tion ( 12 or 13 ) supported laterally and against the bottom ( 47 ) of the recess ( 12 , 13 ) stretched a perforated insert ( 14 , 15 ) made of a hard cutting material, especially made of hard metal,
    • - Which perforated insert ( 14 , 15 ) has two plane-parallel cover surfaces ( 16 , 17 ) and an essentially roughly rhombic shape with two selectively bringable, diagonally opposite cutting tips ( 18 , 19 ),
    • - The two diagonals ( 48 , 49 ) of the approximate rhombus shape are of different lengths and the longer rhombus diagonal ( 48 ) forms an angle bisector of the two acute-angled cutting tips ( 18 , 19 ) of the perforated insert and
    • - The transition areas between the two cutting tips ( 18 and 19 ) and the obtuse-angled corners ( 51 , 52 ) of the approximate rhombus shape each have two butt-cutting edges ( 22 , 23 ; 24 , 25 or 26 , 27 ; 28 , 29) ) contain.
characterized in that the two cutting tips ( 18 , 19 ) are each assigned to one of the two plane-parallel top surfaces ( 16 , 17 ) of the perforated insert ( 15 , 14 ). 2. Werkzeug nach Anspruch 1, dadurch gekennzeichnet, dass der Keilwinkel (20,21) der Schneiden (22-29), der Lochwendeplat­ te (14, 15) spitzwinklig ist und dass die jeweils inaktive, in Reservestellung befindliche Schneidspitze (19) mit den Freiflächen (30,31, 32, 33) ihrer Schneiden (26-29) die seitlichen Abstützflächen (34-37) am Werkzeugträ­ ger (2) hintergreift.2. Tool according to claim 1, characterized in that the wedge angle ( 20 , 21 ) of the cutting edges ( 22-29 ), the perforated insert ( 14 , 15 ) is acute-angled and that the respectively inactive, reserve position cutting tip ( 19 ) with the open areas ( 30 , 31 , 32 , 33 ) of their cutting edges ( 26-29 ) engages behind the lateral support surfaces ( 34-37 ) on the tool holder ( 2 ). 3. Werkzeug nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Schneiden (22-25 bzw. 26-29) der Lochwendeplatten (14, 15) von einer die zugeordnete Deckfläche (16 bzw. 17) der Lochwendeplat­ ten (14, 15) von den Schneiden distanzierenden Spannut (38 bzw. 39) flan­ kiert sind.3. Tool according to claim 1 or 2, characterized in that the cutting edges ( 22-25 or 26-29 ) of the perforated inserts ( 14 , 15 ) from one of the assigned top surface ( 16 or 17 ) of the perforated inserts ( 14 , 15 ) flanked by the cutting flutes ( 38 or 39 ). 4. Werkzeug nach einem der Ansprüche 1 bis 3, gekennzeichnet durch eine etwa rhombische Umrissform der Deckflächenseiten der Lochwende­ platten (14, 15).4. Tool according to one of claims 1 to 3, characterized by an approximately rhombic outline shape of the top surface sides of the hole turning plates ( 14 , 15 ). 5. Werkzeug nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass sich die Spannuten (38, 39) von den Schneidspitzen (18, 19) bis in den Bereich der beiden stumpfen Winkel der Rhombusform der Lochwende­ platte erstrecken. 5. Tool according to one of claims 3 or 4, characterized in that the flutes ( 38 , 39 ) from the cutting tips ( 18 , 19 ) extend into the region of the two obtuse angles of the rhombus shape of the hole turning plate. 6. Werkzeug nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der an eine Schneidspitze (18, 19) angrenzende Schneidenbereich (22, 24 bzw. 26, 28) länger ist als der an einen stumpfen Winkel (50) der an­ genäherten Rhombusform angrenzende Schneidenbereich (23, 25 bzw. 27, 29).6. Tool according to one of claims 1 to 5, characterized in that the cutting area ( 22 , 24 or 26 , 28 ) adjacent to a cutting tip ( 18 , 19 ) is longer than that at an obtuse angle ( 50 ) of the approximated one Rhombus shape adjacent cutting area ( 23 , 25 and 27 , 29 ).
DE20118111U 2000-11-09 2001-11-07 Indexable insert drilling or milling tool, in particular indexable insert drill Expired - Lifetime DE20118111U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20118111U DE20118111U1 (en) 2000-11-09 2001-11-07 Indexable insert drilling or milling tool, in particular indexable insert drill

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10055468 2000-11-09
DE20118111U DE20118111U1 (en) 2000-11-09 2001-11-07 Indexable insert drilling or milling tool, in particular indexable insert drill

Publications (1)

Publication Number Publication Date
DE20118111U1 true DE20118111U1 (en) 2002-04-11

Family

ID=7662648

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20118111U Expired - Lifetime DE20118111U1 (en) 2000-11-09 2001-11-07 Indexable insert drilling or milling tool, in particular indexable insert drill

Country Status (1)

Country Link
DE (1) DE20118111U1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10235606A1 (en) * 2002-08-02 2004-02-19 Komet Präzisionswerkzeuge Robert Breuning Gmbh Full borer for machine tools has main cutter of outer cutting plate on endface side extending into radially inner working part and outer shelling part
EP1949990A3 (en) * 2007-01-29 2009-03-18 Sandvik Intellectual Property AB An indexable insert drill and a centre insert therefor
WO2009095060A1 (en) * 2008-01-31 2009-08-06 Kennametal Inc. Drilling tool
USD1009108S1 (en) 2020-09-21 2023-12-26 Kyocera Unimerco Tooling A/S Drill

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10235606A1 (en) * 2002-08-02 2004-02-19 Komet Präzisionswerkzeuge Robert Breuning Gmbh Full borer for machine tools has main cutter of outer cutting plate on endface side extending into radially inner working part and outer shelling part
US7351017B2 (en) 2002-08-02 2008-04-01 Komet Group Holding Gmbh Solid drill bit for machine tools
US7695221B2 (en) 2002-08-02 2010-04-13 Komet Group Gmbh Solid drill bit for machine tools
EP1949990A3 (en) * 2007-01-29 2009-03-18 Sandvik Intellectual Property AB An indexable insert drill and a centre insert therefor
US8192113B2 (en) 2007-01-29 2012-06-05 Sandvik Intellectual Property Ab Indexable insert drill and a center insert therefore
WO2009095060A1 (en) * 2008-01-31 2009-08-06 Kennametal Inc. Drilling tool
CN101909795B (en) * 2008-01-31 2012-05-02 钴碳化钨硬质合金公司 Drilling tool
KR101229286B1 (en) * 2008-01-31 2013-02-04 케나메탈 아이엔씨. Drilling Tool
US8827605B2 (en) 2008-01-31 2014-09-09 Kennametal Inc. Drilling tool
USD1009108S1 (en) 2020-09-21 2023-12-26 Kyocera Unimerco Tooling A/S Drill

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20020516

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20050110

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20071219

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20091204

R071 Expiry of right
R071 Expiry of right