JPH06190608A - Cutting tool for grooving work - Google Patents
Cutting tool for grooving workInfo
- Publication number
- JPH06190608A JPH06190608A JP4346419A JP34641992A JPH06190608A JP H06190608 A JPH06190608 A JP H06190608A JP 4346419 A JP4346419 A JP 4346419A JP 34641992 A JP34641992 A JP 34641992A JP H06190608 A JPH06190608 A JP H06190608A
- Authority
- JP
- Japan
- Prior art keywords
- tip
- cutting tool
- chip
- holder
- projections
- 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.)
- Granted
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
- B23B27/08—Cutting tools with blade- or disc-like main parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/08—Rake or top surfaces
- B23B2200/081—Rake or top surfaces with projections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/16—Supporting or bottom surfaces
- B23B2200/161—Supporting or bottom surfaces with projections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、金属材料の切削加工に
おいて、溝入れ加工を施すために用いる溝入れ加工切削
工具に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grooving cutting tool used for grooving in cutting metal materials.
【０００２】[0002]
【従来の技術】従来、溝入れ加工には、図１２に示す如
く、ホルダー１０の先端のチップ座り部１１を形成した
断面Ｖ字形状のチップ当接面１２に、上面２１と下面２
２を垂直断面がＶ字形状である角柱状の切削チップ（以
下、チップと略称する）２０を縦長に載置し、ホルダー
１０に装備した押さえ金具３０のチップ当接面３１を上
記チップ２０の上面２１に圧接させることによって、こ
のチップ２０を固定する溝入れ加工切削工具１００が用
いられていた。2. Description of the Related Art Conventionally, as shown in FIG. 12, in grooving, an upper surface 21 and a lower surface 2 are formed on a tip contact surface 12 having a V-shaped cross section in which a tip seat portion 11 of a tip of a holder 10 is formed.
2, a prismatic cutting tip (hereinafter, simply referred to as a tip) 20 having a V-shaped vertical cross section is vertically mounted, and a tip contact surface 31 of a holding metal fitting 30 mounted on the holder 10 is attached to the tip 20 of the tip 20. The grooving cutting tool 100 that fixes the tip 20 by pressing it against the upper surface 21 has been used.
【０００３】[0003]
【従来技術の課題】しかしながら、上記の切削工具では
チップを固定する力が弱く、特に横方向の応力によって
ビビリ振動が発生し、これにより切削面が安定しないと
いう不具合があった。However, the above-mentioned cutting tool has a problem that the force for fixing the tip is weak and chatter vibration is generated due to the stress in the lateral direction in particular, so that the cutting surface is not stable.
【０００４】[0004]
【課題を解決するための手段】上記の課題を解決するた
め本発明の溝入れ加工切削工具は、チップの上面及び／
又は下面、並びにチップ座り部及び／又は押さえ金具の
チップ当接面に、水平断面が円形状もしくは楕円形状を
なし、相互に対応する突起と凹部を複数形成した。In order to solve the above problems, the grooving cutting tool of the present invention is provided with a chip upper surface and / or
Alternatively, a horizontal section has a circular shape or an elliptical shape, and a plurality of protrusions and recesses corresponding to each other are formed on the lower surface, and the tip seating portion and / or the tip contact surface of the press fitting.
【０００５】[0005]
【実施例】以下、本発明の実施例を図を用いて説明す
る。図１の斜視図は、本実施例の溝入れ加工切削工具
（以下、切削工具と略称する）１を示し、この切削工具
１は、ホルダー１０の先端に形成したチップ座り部１１
に、角柱状のチップ２０を縦長に載置し、ホルダー１０
に装備した押さえ金具３０のチップ当接面３１を上記チ
ップ２０の上面２１に圧接させることによって、このチ
ップ２０を固定する構造となっている。Embodiments of the present invention will be described below with reference to the drawings. The perspective view of FIG. 1 shows a grooving cutting tool (hereinafter, abbreviated as a cutting tool) 1 of the present embodiment. The cutting tool 1 has a chip seat portion 11 formed at a tip of a holder 10.
Then, the prismatic chip 20 is vertically mounted and the holder 10
The tip 20 is fixed by pressing the tip contacting surface 31 of the holding metal fitting 30 mounted on the upper surface 21 of the tip 20.
【０００６】図２の斜視図は、上記切削工具１を構成す
る角柱状のチップ２０の例を示し、このチップ２０は、
長軸方向両端部分が上面２１より凹んだ刃部２３となっ
ており、この刃部２３の上端縁に切り刃２４が形成され
ているとともに、上面２１と下面２２に半球形状をなし
た複数の突起Ａを具備しており、図３に要部断面を示す
如く、これらの突起Ａを上記座り部１１のチップ当接面
１２及び押さえ金具３０のチップ当接面３１に形成し
た、対応する半球形状の凹部Ｂに嵌合することによっ
て、チップ２０を安定的に固定するようになっている。The perspective view of FIG. 2 shows an example of a prismatic tip 20 that constitutes the cutting tool 1. This tip 20 is
Both ends in the long axis direction are blade portions 23 recessed from the upper surface 21, and a cutting blade 24 is formed on the upper edge of the blade portion 23, and a plurality of hemispherical shapes are formed on the upper surface 21 and the lower surface 22. Corresponding hemispheres provided with protrusions A, and these protrusions A are formed on the tip contact surface 12 of the seat 11 and the tip contact surface 31 of the press fitting 30, as shown in the cross section of the main part in FIG. The chip 20 is stably fixed by being fitted into the recess B of the shape.
【０００７】このように、上記突起Ａと凹部Ｂは、いず
れも半球形状をしているため、両者の接触面積が多くな
り、チップ２０を固定する力が大きくなるとともに、球
面接触であることから、横方向の応力によっても振動が
発生することがなく、安定した切削面を形成することが
できる。As described above, since the projection A and the recess B are both hemispherical, the contact area between them is increased, the force for fixing the chip 20 is increased, and the contact is spherical. Further, vibration is not generated even by lateral stress, and a stable cutting surface can be formed.
【０００８】なお、突起Ａと凹部Ｂの位置関係が逆であ
ってもよく、図４に示す如くチップ２０の上面２１と下
面２２に凹部Ｂを形成し、他方チップ座り部１１と押さ
え金具３０のチップ当接面１２，３１に突起Ａをそれぞ
れ形成したり、図５に示す如くチップ２０の上面２１と
下面２２及びチップ座り部１１と押さえ金具３０のチッ
プ当接面１２，３１に突起Ａと凹部Ｂの両方を形成して
もよい。The projections A and the recesses B may be reversed in positional relationship, and the recesses B are formed on the upper surface 21 and the lower surface 22 of the chip 20 as shown in FIG. The projections A are formed on the chip contacting surfaces 12 and 31 of the chip 20, and the projections A are formed on the chip contacting surfaces 12 and 31 of the upper surface 21 and the lower surface 22 of the chip 20, the chip seating portion 11 and the holding metal 30 as shown in FIG. Both the recess and the recess B may be formed.
【０００９】また、上記突起Ａの形状としては、半球形
状に限らず、図６に示す如く、水平断面が円形状もしく
は楕円形状であってもよい。Further, the shape of the projection A is not limited to the hemispherical shape, and the horizontal cross section may be circular or elliptical as shown in FIG.
【００１０】図７には、本実施例の切削工具１を構成す
る別態様のチップ２０を示し、このチップ２０の上面２
１と下面２２には、チップ２０を長軸方向左右に分割す
る中心軸平面Ｍに対し左右にそれぞれずれた位置に、突
起Ａが形成してあり、他方、チップ座り部１１と押さえ
金具３０のチップ当接面１０，３１には対応する凹部Ｂ
を形成し（図３参照）、これにより、チップ２０をより
安定的に固定することができる。FIG. 7 shows a tip 20 of another aspect which constitutes the cutting tool 1 of the present embodiment, and the upper surface 2 of the tip 20.
Projections A are formed on the lower surface 1 and the lower surface 22 at positions displaced to the left and right with respect to a central axis plane M that divides the chip 20 into the left and right in the long axis direction. Corresponding recesses B on the chip contact surfaces 10, 31
Is formed (see FIG. 3), whereby the chip 20 can be more stably fixed.
【００１１】なお、上記突起Ａあるいは凹部Ｂは図８乃
至図１１に示す如く、チップ２０の上面２１または下面
２２どちらか一方に形成されるものであってもよく、こ
の場合、チップ座り部１１と押さえ金具３０のチップ当
接面１０，３１のうち、対応する方のみに突起Ａあるい
は凹部Ｂを形成しておけばよい。The projection A or the recess B may be formed on either the upper surface 21 or the lower surface 22 of the chip 20 as shown in FIGS. 8 to 11. In this case, the chip seating portion 11 is used. The protrusion A or the recess B may be formed only on the corresponding one of the chip contact surfaces 10 and 31 of the holding metal fitting 30.
【００１２】また、チップ２０の長さが１０〜４０ｍ
ｍ、刃先幅が２〜１２ｍｍ程度のもので、低面の断面積
が０．７〜６０ｍｍ2 程度の突起Ａが好適である。The length of the chip 20 is 10 to 40 m.
m, the width of the cutting edge is about 2 to 12 mm, and the protrusion A having a cross-sectional area of the lower surface of about 0.7 to 60 mm 2 is suitable.
【００１３】[0013]
【発明の効果】本発明の切削工具は、チップの上面及び
／又は下面、並びにチップ座り部及び／並びに押さえ金
具のチップ当接面に、水平断面が円形状もしくは楕円形
状をなし、相互に対応する突起と凹部を形成したため、
チップを固定する力が大きく、横方向の応力によっても
ビビリ振動が発生することがない。したがって、安定し
た切削面を形成することができる。According to the cutting tool of the present invention, the upper surface and / or the lower surface of the tip and the tip seating portion and / or the tip abutting surface of the press fitting have a circular or elliptical horizontal cross-section and are compatible with each other. Since the projections and recesses that
The force for fixing the chip is large, and chatter vibration does not occur even by lateral stress. Therefore, a stable cutting surface can be formed.
【図１】本発明実施例の溝入れ加工切削工具の斜視図で
ある。FIG. 1 is a perspective view of a grooving cutting tool according to an embodiment of the present invention.
【図２】本発明実施例の溝入れ加工切削工具を構成する
切削チップの斜視図である。FIG. 2 is a perspective view of a cutting tip constituting a grooving cutting tool according to an embodiment of the present invention.
【図３】本発明実施例の溝入れ加工切削工具の先端部位
を示す側面図である。FIG. 3 is a side view showing a tip portion of a grooving cutting tool according to an embodiment of the present invention.
【図４】本発明実施例の溝入れ加工切削工具の先端部位
を示す側面図である。FIG. 4 is a side view showing a tip portion of a grooving cutting tool according to an embodiment of the present invention.
【図５】本発明実施例の溝入れ加工切削工具の先端部位
を示す側面図である。FIG. 5 is a side view showing a tip portion of the grooving cutting tool of the embodiment of the present invention.
【図６】本発明実施例の溝入れ加工切削工具に形成した
突起の斜視図であり、（ａ）は截頭半球形状の突起、
（ｂ）は円錐形状の突起、（ｃ）は半楕円球形状の突起
である。FIG. 6 is a perspective view of a protrusion formed on the grooving cutting tool of the embodiment of the present invention, in which (a) is a truncated hemispherical protrusion,
(B) is a conical protrusion, and (c) is a semi-elliptical spherical protrusion.
【図７】本発明実施例の溝入れ加工切削工具を構成する
切削チップを示し、（ａ）は平面図、（ｂ）は正面図で
ある。FIG. 7 shows a cutting tip constituting a grooving cutting tool of an embodiment of the present invention, (a) is a plan view and (b) is a front view.
【図８】本発明実施例の溝入れ加工切削工具の先端部位
を示す側面図である。FIG. 8 is a side view showing a tip end portion of the grooving cutting tool according to the embodiment of the present invention.
【図９】本発明実施例の溝入れ加工切削工具の先端部位
を示す側面図である。FIG. 9 is a side view showing a tip portion of the grooving cutting tool of the embodiment of the present invention.
【図１０】本発明実施例の溝入れ加工切削工具の先端部
位を示す側面図である。FIG. 10 is a side view showing a tip end portion of the grooving cutting tool according to the embodiment of the present invention.
【図１１】本発明実施例の溝入れ加工切削工具の先端部
位を示す側面図である。FIG. 11 is a side view showing a tip portion of the grooving cutting tool of the embodiment of the present invention.
【図１２】従来の溝入れ加工切削工具の斜視図である。FIG. 12 is a perspective view of a conventional grooving cutting tool.
１，１００ 溝入れ加工切削工具 １０ ホルダー １１ チップ座り部 １２，３１ チップ当接面 ２０ 切削チップ ２１ 上面 ２２ 下面 ３０ 押さえ金具 Ａ 突起 Ｂ 凹部 Ｍ 中心軸平面 1,100 Grooving cutting tool 10 Holder 11 Chip seating portion 12,31 Chip contact surface 20 Cutting tip 21 Upper surface 22 Lower surface 30 Holding metal fitting A Protrusion B Recess M Center axis plane
Claims (1)
柱状の切削チップを縦長に載置し、上記ホルダーに装備
した押さえ金具のチップ当接面を上記切削チップの上面
に圧接させることによって、この切削チップを固定する
構造を有した切削工具であって、上記チップの上面及び
／又は下面、並びに上記チップ座り部及び／又は押さえ
金具のチップ当接面に、水平断面が円形状もしくは楕円
形状をなし、相互に対応する突起と凹部を複数具備して
なる溝入れ加工切削工具。1. A rectangular column-shaped cutting tip is vertically mounted on a tip seating portion formed at the tip of a holder, and a tip contact surface of a press fitting mounted on the holder is pressed against the upper surface of the cutting tip. A cutting tool having a structure for fixing the cutting tip, the horizontal cross section being circular or elliptical on the upper surface and / or the lower surface of the chip, and on the chip contact surface of the chip seating portion and / or the press fitting. And a grooving cutting tool comprising a plurality of mutually corresponding protrusions and recesses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34641992A JP3292526B2 (en) | 1992-12-25 | 1992-12-25 | Grooving cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34641992A JP3292526B2 (en) | 1992-12-25 | 1992-12-25 | Grooving cutting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06190608A true JPH06190608A (en) | 1994-07-12 |
| JP3292526B2 JP3292526B2 (en) | 2002-06-17 |
Family
ID=18383295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34641992A Expired - Fee Related JP3292526B2 (en) | 1992-12-25 | 1992-12-25 | Grooving cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3292526B2 (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003508231A (en) * | 1999-09-01 | 2003-03-04 | ミルコナ アクチボラーグ | Method and apparatus for locking an insert to a metal removal machining tool |
| US7121771B2 (en) * | 2002-05-28 | 2006-10-17 | Sandvik Intellectual Property Ab | Tool for chip-removing machining |
| US7217070B2 (en) * | 2003-10-20 | 2007-05-15 | Iscar Ltd. | Deburring tool and cutting insert therefor |
| JP2007253299A (en) * | 2006-03-24 | 2007-10-04 | Mitsubishi Materials Corp | Clamping mechanism of cutting insert, cutting insert, and insert detachable type cutting tool |
| JP2009534199A (en) * | 2006-04-20 | 2009-09-24 | サンドビック インテレクチュアル プロパティー アクティエボラーグ | Tool and cutting insert for chip removal machining with cooperating first and second engaging means |
| US7731457B2 (en) * | 2004-07-12 | 2010-06-08 | Seco Tools Ab | Machine tool with a plate with elastic properties for holding the cutter |
| JP2012501864A (en) * | 2008-09-11 | 2012-01-26 | イスカーリミテッド | Cutting tool and cutting tip therefor |
| US20120114435A1 (en) * | 2009-07-09 | 2012-05-10 | Taegutec, Ltd. | Assembly of Double-Sided Indexable Cutting Insert and Reinforcing Part |
| EP2488321A1 (en) * | 2009-10-15 | 2012-08-22 | Sandvik, Inc. | Multiteeth indexable insert with locating means and material removal tool with same |
| JP2012525267A (en) * | 2009-05-07 | 2012-10-22 | デグテック エルティーディー | Cutting tool and insert for cutting tool |
| KR101241637B1 (en) * | 2010-08-12 | 2013-03-11 | 한국야금 주식회사 | the cutting insert for grooving |
| JP2013514197A (en) * | 2010-01-14 | 2013-04-25 | デグテック エルティーディー | Cutting tools |
| US20130279994A1 (en) * | 2012-04-24 | 2013-10-24 | Kennametal Inc. | Indexable circular cutting insert |
| KR20190020328A (en) * | 2016-06-20 | 2019-02-28 | 이스카 엘티디. | Cutting inserts and cutting tools with deep blind openings |
-
1992
- 1992-12-25 JP JP34641992A patent/JP3292526B2/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003508231A (en) * | 1999-09-01 | 2003-03-04 | ミルコナ アクチボラーグ | Method and apparatus for locking an insert to a metal removal machining tool |
| JP4837212B2 (en) * | 1999-09-01 | 2011-12-14 | ミルコナ アクチボラーグ | Method and apparatus for locking an insert to a metal removal machining tool |
| US7121771B2 (en) * | 2002-05-28 | 2006-10-17 | Sandvik Intellectual Property Ab | Tool for chip-removing machining |
| US7217070B2 (en) * | 2003-10-20 | 2007-05-15 | Iscar Ltd. | Deburring tool and cutting insert therefor |
| US7731457B2 (en) * | 2004-07-12 | 2010-06-08 | Seco Tools Ab | Machine tool with a plate with elastic properties for holding the cutter |
| JP2007253299A (en) * | 2006-03-24 | 2007-10-04 | Mitsubishi Materials Corp | Clamping mechanism of cutting insert, cutting insert, and insert detachable type cutting tool |
| JP2009534199A (en) * | 2006-04-20 | 2009-09-24 | サンドビック インテレクチュアル プロパティー アクティエボラーグ | Tool and cutting insert for chip removal machining with cooperating first and second engaging means |
| JP2012501864A (en) * | 2008-09-11 | 2012-01-26 | イスカーリミテッド | Cutting tool and cutting tip therefor |
| JP2012525267A (en) * | 2009-05-07 | 2012-10-22 | デグテック エルティーディー | Cutting tool and insert for cutting tool |
| US9211597B2 (en) | 2009-05-07 | 2015-12-15 | Taegutec, Ltd. | Cutting tool and cutting insert for the same |
| US20120114435A1 (en) * | 2009-07-09 | 2012-05-10 | Taegutec, Ltd. | Assembly of Double-Sided Indexable Cutting Insert and Reinforcing Part |
| US9481039B2 (en) * | 2009-07-09 | 2016-11-01 | Taegutec, Ltd. | Assembly of double-sided indexable cutting insert and shim |
| US9475132B2 (en) | 2009-10-15 | 2016-10-25 | Sandvik, Inc. | Multiteeth indexable insert with locating means and material removal tool with same |
| EP2488321A4 (en) * | 2009-10-15 | 2013-04-17 | Sandvik Inc | Multiteeth indexable insert with locating means and material removal tool with same |
| EP2488321A1 (en) * | 2009-10-15 | 2012-08-22 | Sandvik, Inc. | Multiteeth indexable insert with locating means and material removal tool with same |
| JP2013514197A (en) * | 2010-01-14 | 2013-04-25 | デグテック エルティーディー | Cutting tools |
| US8992135B2 (en) | 2010-01-14 | 2015-03-31 | Taegutec, Ltd. | Cutting tool |
| KR101241637B1 (en) * | 2010-08-12 | 2013-03-11 | 한국야금 주식회사 | the cutting insert for grooving |
| US20130279994A1 (en) * | 2012-04-24 | 2013-10-24 | Kennametal Inc. | Indexable circular cutting insert |
| US8858130B2 (en) * | 2012-04-24 | 2014-10-14 | Kennametal Inc. | Indexable circular cutting insert |
| KR20190020328A (en) * | 2016-06-20 | 2019-02-28 | 이스카 엘티디. | Cutting inserts and cutting tools with deep blind openings |
| JP2019521862A (en) * | 2016-06-20 | 2019-08-08 | イスカル リミテッド | Cutting tool and cutting insert with deep blind opening |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3292526B2 (en) | 2002-06-17 |
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