[특허]Cutting insert and holder for metal cutting machining

[미국특허] Cutting insert and holder for metal cutting machining 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B23B-027/16
출원번호	US-0337676 (1999-06-22)
우선권정보	SE0004855 (1996-12-23)
발명자 / 주소	Sjoo Sture,SEX Larsson Bernt,SEX Ericksson H.ang.kan,SEX Hansson Per,SEX
출원인 / 주소	Sandvik Aktiebolag, SEX
대리인 / 주소	Burns, Doane, Swecker & Mathis, L.L.P.
인용정보	피인용 횟수 : 25 인용 특허 : 8

초록 ▼

A metal cutting tool includes a holder arrangement, an indexible cutting insert seated on an insert-receiving site of the holder arrangement, and a screw for fastening the insert to the site. The bottom side of the insert includes more than two upright abutment surfaces arranged to abut respective upright support surfaces of the site, whereby the areas of contact formed by the mutually abutting surfaces lie inside of an outer perimeter of the insert. The abutment surfaces are oriented non-parallel to one another. The screw is arranged to urge the insert in a direction whereby less than all of the abutment surfaces abut respective support surfaces, and at least one abutment surface does not abut a support surface. When the insert is indexed, the non-abutting abutment surface is relocated and caused to abut a support surface when the screw is tightened, while an abutment surface that previously abutted a support surface becomes a non-abutting surface.

대표청구항 ▼

[ What is claimed is:] [1.] A tool for metal cutting machining comprising:a holder arrangement including a shim which defines an insert-receiving site for receiving a cutting insert, the site including an upwardly facing bottom support surface and at least two generally upright support surfaces disposed in non-parallel relationship;an indexable cutting insert seated on the site and including an upwardly facing chip surface, a downwardly facing abutment surface, and a side surface structure intersecting the chip surface to form therewith a cutting edge structure, the side surface structure defining an outer perimeter of the insert, the generally downwardly facing abutment surface disposed inside of the outer perimeter and abutting the bottom support surface of the site, the insert further including at least three generally upright abutment surfaces disposed inside of the outer perimeter, at least two of the generally upright abutment surfaces being disposed in facing relationship to respective ones of the generally upright support surfaces; anda tightenable insert-securing device extending through a hole in said shim arranged for generating a first force oriented in a first direction substantially perpendicular to a plane of the insert and which presses the downwardly facing abutment surface against the upwardly facing support surface, and a second force oriented for pressing at least two, but less than all, of the generally upright abutment surfaces against respective ones of the generally upright support surfaces, said hole positioned so as to generate the second force extending in a single second direction parallel to the plane of the insert and forming an oblique angle with each of the at least two generally upright abutment surfaces when said insert-securing device is inserted therein and tightened;the insert, upon loosening of the insert-securing device, being indexable to bring another portion of the cutting edge structure into active cutting position, the generally upright abutment surfaces arranged such that in response to indexing of the cutting insert and a re-tightening of the insert-securing device:the first and second forces are re-generated in the same first and second directions, respectively;one of the generally upright abutment surfaces previously disposed out of engagement with a generally upright support surface is moved into abutment with a generally upright support surface by the second force, anda generally upright abutment surface previously in abutment with a generally upright support surface is moved out of abutment with all of the generally upright support surfaces.

이 특허에 인용된 특허 (8) 인용/피인용 타임라인 분석

Larsson Bernt,SEX, Cutting insert and tool holder therefor.
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Boianjiu Gideon,ILX, Cutting insert having patterned hard bottom surface for forming an indented seat on a tool holder.
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Bystrom Lennart,CHX ; Wiman Jorgen,CHX, Cutting insert mounted on holder by rib-and-groove coupling.
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Wiman Jorgen,SEX ; Bystrom Lennart,SEX, Fastening arrangement for cutting inserts and a cutting insert intended for such an arrangement.
상세보기
Erkfritz Donald S. (Clarkston MI), Holder assembly for an indexable insert for use in a cutting tool.
상세보기
Murn Tord S. H. (Gvle SEX) Ericksson Lars H. (Kungsgrden SEX) Birgersson Lars S. (Jrbo SEX) Gustafsson Lars-Erik (Sandviken SEX), Indexable cutting insert.
상세보기
Carlsson Stiv E. I. (Tierp SEX) Gustafsson Lars-Erik (Sandviken SEX) Robertsson Karl T. W. (Gimo SEX), Single-sided cutting insert.
상세보기
Boianjiu Gideon (Kfar Vradim ILX), Tool holder with patterned hard shim forming indented seat and method.
상세보기

이 특허를 인용한 특허 (25) 인용/피인용 타임라인 분석

Dufour, Jean-Luc; Fang, X. Daniel; Wills, David J.; Hobbs, Kelvin G. L., Ballnose cutting tool and ballnose cutting insert.
상세보기
Morrison, Lewis Ray; Murphy, Howard; Accardi, Gianfranco; Procopio, Marco; Lieber, Andreas; Seculi, Juan; Mylavaram Nikhilesh, Kumar Reddy, Cutting insert.
상세보기
Wermeister, G?nter; G?tz-Werner, Heinz, Cutting insert and cutting insert holder therefor.
상세보기
Erickson,Robert A.; Alexander, IV,William M., Cutting insert and toolholder for holding the same.
상세보기
Jonsson,Mats, Cutting insert, a cutting tool, a shim and a method.
상세보기
Hecht, Gil, Cutting tool and cutting insert therefor.
상세보기
Hecht, Gil, Cutting tool and cutting insert therefor.
상세보기
Berger,Dietmar; Rofner,Rudolf; Venturini,Remus, Cutting tool for rotating and drilling into solid blocks.
상세보기
Hecht, Gil, Cutting tool having an anti-slip arrangement.
상세보기
Harif, Gershon, Cutting tool, cutting tool holder and cutting insert therefor.
상세보기
Bucci, Michael, Device for supporting an object.
상세보기
Andras, Linn R., Dimpled insert with retaining clamp.
상세보기
Morrison, Lewis Ray; Murphy, Howard; Accardi, Gianfranco; Procopio, Marco; Lieber, Andreas; Seculi, Juan; Mylanvaram Nikhilesh, Kumar Reddy, Indexable circular cutting insert.
상세보기
Morrison, Lewis Ray; Murphy, Howard; Accardi, Gianfranco; Procopio, Marco; Lieber, Andreas; Seculi, Juan; Mylavaram Nikhilesh, Kumar Reddy, Indexable circular cutting insert.
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Ebert, Guenter; Kretschmer, Armin, Indexable cutting insert.
상세보기
Castilleja, Daniel Joseph; Babayan, Kenneth Costen, Metal stacking bar.
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Akio Shiraiwa, Parting/grooving insert secured by friction in a holder.
상세보기
Traynor, Valerie M., Pretzel cracker.
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Traynor, Valerie M., Pretzel cracker.
상세보기
Hecht, Gil, Rhombus-shaped indexable cutting insert and cutting tool.
상세보기
Morrison, Lewis Ray; Mylavaram Nikhilesh, Kumar Reddy; Long, Thomas Jerry; Kovac, Jeffrey Francis; Mali, Suresh, Round cutting insert with anti-rotation feature.
상세보기
Morrison, Lewis Ray; Mylavaram Nikhilesh, Kumar Reddy; Mali, Suresh, Round cutting insert with reverse anti-rotation feature.
상세보기
Tommassini, Marcello, Router bit guide.
상세보기
Little, Roger Warren, Threading apparatus.
상세보기
Zitzlaff,Wolfgang, Two-part clamping claw.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Cutting insert and holder for metal cutting machining 원문보기