JPH09123009A - Throw-away type t slot cutter - Google Patents

Throw-away type t slot cutter

Info

Publication number
JPH09123009A
JPH09123009A JP28521595A JP28521595A JPH09123009A JP H09123009 A JPH09123009 A JP H09123009A JP 28521595 A JP28521595 A JP 28521595A JP 28521595 A JP28521595 A JP 28521595A JP H09123009 A JPH09123009 A JP H09123009A
Authority
JP
Japan
Prior art keywords
tip
throw
chip
away
slot cutter
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
Application number
JP28521595A
Other languages
Japanese (ja)
Other versions
JP3201943B2 (en
Inventor
Akihiro Fujimoto
昭宏 藤本
Shinichi Shimada
愼一 島田
Michio Mori
三知雄 森
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.)
Tungaloy Corp
Shibaura Machine Co Ltd
Original Assignee
Toshiba Machine Co Ltd
Toshiba Tungaloy Co Ltd
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 Toshiba Machine Co Ltd, Toshiba Tungaloy Co Ltd filed Critical Toshiba Machine Co Ltd
Priority to JP28521595A priority Critical patent/JP3201943B2/en
Publication of JPH09123009A publication Critical patent/JPH09123009A/en
Application granted granted Critical
Publication of JP3201943B2 publication Critical patent/JP3201943B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/36Other features of the milling insert not covered by B23C2200/04 - B23C2200/32
    • B23C2200/367Mounted tangentially, i.e. where the rake face is not the face with largest area

Landscapes

  • Milling Processes (AREA)

Abstract

PROBLEM TO BE SOLVED: To improve cutting efficient by a throw-away chip becoming the real number of edges at the time of cutting. SOLUTION: Regarding a throw-away type T slot cutter provided with an even number of chip fitting parts 5a on a cutting head 3 provided on the tip of a tool body 1 in the circumferential direction at equal intervals and having a throw-away chip fitted to the chip fitting parts 5a, the throw-away chips are composed of a large size chips 6 and a small size chips 7 and one each of the large size chip 6 and the small size chip 7 are arranged on the chip fitting parts 5a in the axial direction of the cutting head 3, while the large size chip 6 and the small size chip 7 are alternately arranged in the circumferential direction of the cutting head 3.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】この発明は、T溝加工を行う
際に用いるスローアウェイ式Tスロットカッタに関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a throw-away T-slot cutter used for T-groove machining.

【0002】[0002]

【従来の技術】工作機械の主軸に装着して回転させ、予
め被加工物に設けられた溝に沿って相対的に横送りして
T溝加工を行なうスローアウェイ式Tスロットカッタ
は、例えば、実開昭60−183111号公報、実開昭
63−21512号公報で知られている。
2. Description of the Related Art A throw-away type T-slot cutter, which is mounted on a main shaft of a machine tool and is rotated, is relatively traversed along a groove provided in a workpiece in advance to perform T-groove machining. It is known from Japanese Utility Model Publication No. 60-183111 and Japanese Utility Model Publication No. 63-21512.

【0003】このTスロットカッタは、シャンクの先端
部にカッティングヘッドが一体に設けられ、このカッテ
ィングヘッドの周方向には切屑排出ポケットとチップ取
付け部とが交互に等配されている。そして、チップ取付
け部にはスローアウェイチップがボルトによって着脱可
能に取付けられている。
In this T-slot cutter, a cutting head is integrally provided at the tip of a shank, and a chip discharge pocket and a chip mounting portion are alternately arranged in the circumferential direction of the cutting head. A throw-away tip is removably attached to the tip attaching portion with a bolt.

【0004】スローアウェイチップは、右勝手と左勝手
からなり、軸方向に偏倚して周方向には千鳥状に配置さ
れ、両スローアウェイチップの切削跡は互いにオーバラ
ップして右勝手と左勝手のチップの外側端面間の幅で切
削されるようになっている。
The throw-away tips are composed of right-handed and left-handed tools, and are offset in the axial direction and arranged in a zigzag pattern in the circumferential direction. The cutting marks of both throw-away tips overlap each other and are right-handed and left-handed. It is designed to be cut by the width between the outer end faces of the chips.

【0005】[0005]

【発明が解決しようとする課題】しかしながら、前述し
たように、右勝手と左勝手のスローアウェイチップを軸
方向に偏倚して周方向には千鳥状に配置した場合、切屑
排出ポケットと対応して設けられたチップ取付け部に対
して実質刃数は1/2となり、2枚刃の場合には実質刃
数は1枚、4枚刃の場合には実質刃数は2枚となり、刃
数の割りには切削効率が悪いという問題がある。
However, as described above, when the right-handed and left-handed throw-away tips are axially offset and arranged in a zigzag pattern in the circumferential direction, they correspond to the chip discharge pockets. The number of blades is 1/2 that of the chip mounting part provided, and in the case of two blades, the number of blades is one, and in the case of four blades, the number of blades is two. There is a problem that cutting efficiency is poor.

【0006】また、右勝手と左勝手の2種類のスローア
ウェイチップが必要となり、在庫数が多く、部品管理面
でも煩わしい。また、スローアウェイチップは、すくい
面と反対側の回転方向受け面はチップ座面に対して直角
に形成されている。そして、チップ取付け部には前記チ
ップ座面と対面するチップ取付け座面と前記回転方向受
け面と対面するチップ取付け受け面とが直角に形成さ
れ、スローアウェイチップをボルトによってチップ取付
け座面に対して固定している。したがって、切削加工時
の切削抵抗によってスローアウェイチップがチップ取付
け座面が浮いてしまうという問題がある。
Further, two kinds of throw-away chips, right-handed and left-handed, are required, and the number of stocks is large, and it is troublesome in terms of parts management. Further, in the throw-away tip, the rotation direction receiving surface on the side opposite to the rake surface is formed at a right angle to the tip seating surface. The chip mounting portion is formed with a chip mounting seat surface facing the chip seating surface and a chip mounting receiving surface facing the rotational direction receiving surface at a right angle, and the throw-away chip is bolted to the chip mounting seating surface. Fixed. Therefore, there is a problem that the insert mounting seat surface of the throw-away tip may float due to cutting resistance during cutting.

【0007】この発明は、前記事情に着目してなされた
もので、その目的とするところは、チップ取付け部に取
付けたスローアウェイチップが切削時の実質刃数とな
り、切削効率の向上を図ることができるスローアウェイ
式Tスロットカッタを提供することにある。
The present invention has been made in view of the above circumstances, and an object thereof is to improve the cutting efficiency because the throw-away tip mounted on the tip mounting portion becomes the actual number of blades at the time of cutting. (EN) Provided is a throw away type T slot cutter capable of

【0008】もう一つの目的は、右勝手と左勝手のスロ
ーアウェイチップを共用でき、在庫数の低減を図ること
ができ、また切削加工時の切削抵抗によってスローアウ
ェイチップの浮き上がりを防止できるスローアウェイ式
Tスロットカッタを提供することにある。
Another object is to use a throw-away tip of right-handed and a left-handed one in common, which can reduce the number of stocks and can prevent the throw-away tip from rising due to cutting resistance during cutting. The purpose is to provide a formula T slot cutter.

【0009】[0009]

【課題を解決するための手段】この発明は、前述した目
的を達成するために、請求項1は、工具本体の先端部に
設けられたカッティングヘッドに周方向に等間隔に偶数
個のチップ取付け部を設け、これらチップ取付け部にス
ローアウェイチップを取付けたスローアウェイ式Tスロ
ットカッタにおいて、前記スローアウェイチップは、大
形チップと小形チップとからなり、前記各チップ取付け
部に前記大形チップと小形チップを前記カッティングヘ
ッドの軸方向に1個ずつ配置するとともに、周方向には
前記大形チップと小形チップを交互に配置したことを特
徴とする。
In order to achieve the above-mentioned object, the present invention provides a cutting head provided at the tip of a tool body, wherein an even number of chips are mounted at equal intervals in the circumferential direction. In the throw away type T-slot cutter in which parts are provided and the throw away tips are attached to these tip attaching portions, the throw away tips include a large tip and a small tip, and each of the tip attaching portions has the large tip. One small tip is arranged in the axial direction of the cutting head, and the large tip and the small tip are alternately arranged in the circumferential direction.

【0010】請求項2は、工具本体の先端部に設けられ
たカッティングヘッドに周方向に等間隔にチップ取付け
部を設け、これらチップ取付け部にスローアウェイチッ
プを取付けたスローアウェイ式Tスロットカッタにおい
て、前記スローアウェイチップは、取付け方向から見て
菱形であり、一方の鈍角部を挟んで隣り合う面にすくい
面を有し、他方の鈍角部を挟んで隣り合う面に回転方向
受け面を有していることを特徴とする。
According to a second aspect of the present invention, there is provided a cutting away type T-slot cutter in which tip mounting portions are provided at equal intervals in a circumferential direction on a cutting head provided at a tip portion of a tool body, and throw-away tips are mounted on these tip mounting portions. The throw-away tip is a rhombus when viewed from the mounting direction, has a rake face on the surfaces adjacent to each other with one obtuse angle portion, and has a rotation direction receiving surface on the surfaces adjacent to each other with the other obtuse angle portion interposed. It is characterized by doing.

【0011】請求項3は、請求項2のスローアウェイチ
ップの回転方向受け面は、チップ座面に対して鋭角であ
り、前記チップ取付け部には、前記チップ座面と対面す
るチップ取付け座面と前記回転方向受け面と対面するチ
ップ取付け受け面を有していることを特徴とする。
According to a third aspect of the present invention, the throw-away tip of the second aspect has a rotation direction receiving surface at an acute angle with respect to the tip seat surface, and the tip mounting portion has a tip mounting seat surface facing the tip seat surface. And a chip mounting receiving surface facing the rotation direction receiving surface.

【0012】[0012]

【発明の実施の形態】以下、この発明の一実施の形態を
図面に基づいて説明する。図1はスローアウェイ式Tス
ロットカッタを示し、1は工具本体であり、この工具本
体1のシャンク2の先端部にはカッティングヘッド3が
一体に設けられている。カッティングヘッド3は、図2
にも示すように、周方向に等間隔に例えば4箇所の切屑
排出ポケット4a〜4dが設けられている。
DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a throw-away T-slot cutter, 1 is a tool body, and a cutting head 3 is integrally provided at the tip of a shank 2 of the tool body 1. The cutting head 3 is shown in FIG.
As also shown, the chip discharge pockets 4a to 4d are provided at four locations, for example, at equal intervals in the circumferential direction.

【0013】切屑排出ポケット4a〜4dは略V字状に
カットすることにより形成され、これら切屑排出ポケッ
ト4a〜4dの工具本体1の回転方向に対面する側面に
はチップ取付け部5a〜5dが設けられている。
The chip discharge pockets 4a to 4d are formed by cutting in a substantially V shape, and chip mounting portions 5a to 5d are provided on the side surfaces of the chip discharge pockets 4a to 4d facing the rotation direction of the tool body 1. Has been.

【0014】これらチップ取付け部5a〜5dは、スロ
ーアウェイチップとしての大形チップ6と小形チップ7
とを固定する凹部8を有しており、この凹部8の底部に
は工具本体1の放射方向に開口するねじ穴9が設けられ
ている(図5参照)。
These tip mounting portions 5a to 5d are provided with a large tip 6 and a small tip 7 as throw-away tips.
It has a recess 8 for fixing and, and the bottom of this recess 8 is provided with a screw hole 9 that opens in the radial direction of the tool body 1 (see FIG. 5).

【0015】そして、チップ取付け部5a〜5dの凹部
8には大形チップ6と小形チップ7とがカッティングヘ
ッド3の軸方向に1個ずつ配置され、周方向には大形チ
ップ6と小形チップ7とが交互に配置されている。すな
わち、チップ取付け部5aと5cにはカッティングヘッ
ド3の上側に大形チップ6が、下側に小形チップ7が設
けられ、チップ取付け部5bと5dにはカッティングヘ
ッド3の上側に小形チップ7が、下側に大形チップ6が
設けられている。したがって、大形チップ6および小形
チップ7はカッティングヘッド3の周方向に千鳥状に配
置され、大形チップ6および小形チップ7は外周側から
締付けねじ10によってねじ穴9に締付け固定されてい
る。
Then, one large chip 6 and one small chip 7 are arranged in the recesses 8 of the chip mounting portions 5a to 5d in the axial direction of the cutting head 3, and the large chip 6 and the small chip are arranged in the circumferential direction. 7 and 7 are arranged alternately. That is, the tip mounting portions 5a and 5c are provided with the large tip 6 on the upper side of the cutting head 3 and the small tip 7 on the lower side thereof, and the tip mounting portions 5b and 5d are provided with the small tip 7 above the cutting head 3. , A large chip 6 is provided on the lower side. Therefore, the large chips 6 and the small chips 7 are arranged in a zigzag pattern in the circumferential direction of the cutting head 3, and the large chips 6 and the small chips 7 are fixed to the screw holes 9 by tightening screws 10 from the outer peripheral side.

【0016】大形チップ6および小形チップ7は基本的
には同一形状であり、図3〜図5に示すように構成され
ている。すなわち、チップ本体11は平面視、つまり取
付け方向から見て菱形であり、一方の鈍角部11aを挟
んで隣り合う面にすくい面12a,12bを有し、他方
の鈍角部11bを挟んで隣り合う面に回転方向受け面1
3a,13bが設けられている。
The large chip 6 and the small chip 7 have basically the same shape and are constructed as shown in FIGS. That is, the chip body 11 is a plan view, that is, a rhombus when viewed from the mounting direction, and has the rake faces 12a and 12b on the surfaces adjacent to each other with one obtuse angle portion 11a sandwiched therebetween, and with the other obtuse angle portion 11b sandwiched therebetween. Rotation direction receiving surface 1
3a and 13b are provided.

【0017】さらに、チップ本体11の回転方向受け面
13a,13bは、互いに遠端部14を残してチップ座
面15に対して鋭角(例えば85゜)に形成され、チッ
プ座面15に対して例えば90゜の遠端部14との間に
段差部16が形成されている。
Further, the rotation direction receiving surfaces 13a and 13b of the chip body 11 are formed at an acute angle (for example, 85 °) with respect to the chip seating surface 15 except for the distal end portions 14 with respect to the chip seating surface 15. For example, a step portion 16 is formed between the distal end portion 14 of 90 °.

【0018】また、チップ取付け部5a〜5dの凹部8
における前記回転方向受け面13a,13bに対面する
チップ取付け受け面17は、前記チップ座面15に対面
するチップ取付け座面18に対して鋭角(例えば85
゜)に形成され、チップ本体11の回転方向受け面13
a,13bがチップ取付け受け面18に対して密着する
ようになっている。
Further, the concave portions 8 of the chip mounting portions 5a to 5d
The chip mounting receiving surface 17 facing the rotational direction receiving surfaces 13a and 13b in FIG. 2 is at an acute angle (for example, 85 to the chip mounting seating surface 18 facing the chip seating surface 15).
)) And the rotation direction receiving surface 13 of the chip body 11
The a and 13b are in close contact with the chip mounting receiving surface 18.

【0019】さらに、チップ本体11の中央部には締付
けねじ10が挿通される挿通孔19が穿設されており、
チップ本体11の回転方向受け面13a,13bをチッ
プ取付け部5a〜5dの凹部8におけるチップ取付け受
け面17に密着し、チップ座面15をチップ取付け座面
18に対して密着した状態で、締付けねじ10をねじ穴
9に締付けることにより、加工中にチップ本体11のす
くい面12a,12bに浮き上がり方向に力が加わって
も、回転方向受け面13a,13bとチップ取付け受け
面18とが楔結合されているため、チップ本体11の浮
き上がりを防止できる。
Further, an insertion hole 19 through which the tightening screw 10 is inserted is formed in the center of the chip body 11.
Tighten with the rotation direction receiving surfaces 13a and 13b of the chip body 11 closely attached to the chip attachment receiving surface 17 of the recesses 8 of the chip attachment portions 5a to 5d and the chip seat surface 15 closely attached to the chip mount seat surface 18. By tightening the screw 10 in the screw hole 9, even if a force is applied to the rake surfaces 12a and 12b of the chip body 11 in the upward direction during processing, the rotational direction receiving surfaces 13a and 13b and the chip mounting receiving surface 18 are wedge-coupled. Therefore, the chip body 11 can be prevented from rising.

【0020】また、チップ取付け部5a〜5dによって
チップ取付け方向が右勝手、左勝手となるが、大形チッ
プ6および小形チップ7のチップ本体11は菱形をなし
ているため、大形チップ6の場合、右勝手のときにはす
くい面12bを回転方向に向け、左勝手のときにはすく
い面12aを回転方向に向けて取付けることが可能とな
り、1種類のチップ本体11で共用できる。
Further, the chip mounting portions 5a to 5d allow the chip mounting direction to be right-handed or left-handed. However, since the chip bodies 11 of the large chip 6 and the small chip 7 are rhombic, the large chip 6 is In this case, it is possible to attach the rake face 12b in the rotation direction when the hand is right-handed and the rake face 12a in the rotation direction when the hand is left-handed.

【0021】次に、前述のように構成されたスローアウ
ェイ式Tスロットカッタの作用を説明する。工具本体1
のシャンク部2を工作機械の主軸に装着して回転させ、
被加工物の端面にカッティングヘッド3を位置決めし、
予め被加工物に加工された溝に沿って工具本体1を相対
的に横送りすると、大形チップ6と小形チップ7の切刃
が交互に被加工物に当って切削し、被加工物にT溝が形
成される。
Next, the operation of the throw-away type T-slot cutter constructed as described above will be described. Tool body 1
Attach the shank part 2 of the to the spindle of the machine tool and rotate it.
Position the cutting head 3 on the end surface of the workpiece,
When the tool body 1 is relatively fed laterally along the groove previously machined in the work piece, the cutting edges of the large tip 6 and the small tip 7 alternately hit the work piece to cut the work piece. A T groove is formed.

【0022】この場合、大形チップ6と小形チップ7は
離間して並設されているが、大形チップ6と小形チップ
7の切削跡はオーバラップするようになっているため、
大形チップ6と小形チップ7の互いに遠端部間の幅に切
削加工されることになる。
In this case, the large-sized tip 6 and the small-sized tip 7 are arranged side by side, but the cutting marks of the large-sized tip 6 and the small-sized tip 7 overlap each other.
The large chip 6 and the small chip 7 are cut to have a width between the distal ends thereof.

【0023】さらに、加工中にチップ本体11のすくい
面12aまたは12bに浮き上がり方向に力(矢印F)
が加わっても、回転方向受け面13a,13bとチップ
取付け受け面18とが楔結合されているため、チップ本
体11の浮き上がりを防止できる。
Further, during processing, a force (arrow F) is applied to the rake face 12a or 12b of the chip body 11 in a floating direction.
Even if is added, since the rotation direction receiving surfaces 13a and 13b and the chip mounting receiving surface 18 are wedge-coupled, the chip body 11 can be prevented from rising.

【0024】なお、前記実施形態によれば、カッティン
グヘッドの周方向に等間隔に4個のチップ取り付け部を
設け、各チップ取付け部に大形チップと小形チップを軸
方向に隣接して設けることにより、合計8個のチップを
設けたが、大形チップと小形チップを周方向に交互に設
ける関係でチップ取付け部は偶数個であればよく、個数
に限定されるものではない。
According to the above embodiment, four chip mounting portions are provided at equal intervals in the circumferential direction of the cutting head, and a large chip and a small chip are axially adjacent to each other at each chip mounting portion. Thus, a total of eight chips are provided, but the number of chip mounting portions is not limited to any number, as long as large chips and small chips are alternately provided in the circumferential direction.

【0025】[0025]

【発明の効果】以上説明したように、この発明の請求項
1によれば、スローアウェイチップを大形チップと小形
チップとし、各チップ取付け部に前記大形チップと小形
チップをカッティングヘッドの軸方向に1個ずつ配置す
るとともに、周方向には前記大形チップと小形チップを
交互に配置することにより、チップ取付け部に取付けた
スローアウェイチップが切削時の実質刃数となり、切削
効率の向上を図ることができる。
As described above, according to the first aspect of the present invention, the throw-away tip is made into a large tip and a small tip, and the large tip and the small tip are attached to each tip mounting portion. By arranging one by one in the direction and alternately arranging the large tip and the small tip in the circumferential direction, the throw-away tip attached to the tip attachment part becomes the actual number of blades during cutting, improving the cutting efficiency Can be achieved.

【0026】請求項2によれば、スローアウェイチップ
を、取付け方向から見て菱形で、一方の鈍角部を挟んで
隣り合う面にすくい面を有し、他方の鈍角部を挟んで隣
り合う面に回転方向受け面を設けることにより、右勝手
と左勝手のスローアウェイチップを共用でき、在庫数の
低減を図ることができる。
According to the second aspect, the throw-away tip is a rhombus when viewed from the mounting direction, and has a rake face on a surface adjacent to one obtuse angle portion and an adjacent surface on the other obtuse angle portion. By providing the direction-of-rotation receiving surface on the right-hand side, right-handed and left-handed throw-away chips can be shared, and the stock quantity can be reduced.

【0027】請求項3によれば、スローアウェイチップ
の回転方向受け面は、チップ座面に対して鋭角であり、
前記チップ取付け部には、前記チップ座面と対面するチ
ップ取付け座面と前記回転方向受け面と対面するチップ
取付け受け面を有しているため、切削加工時の切削抵抗
によってスローアウェイチップの浮き上がりを防止でき
るという効果がある。
According to the present invention, the throw-away tip has a rotation-direction receiving surface which forms an acute angle with respect to the tip seat surface.
Since the chip mounting portion has a chip mounting seat surface facing the chip seating surface and a chip mounting receiving surface facing the rotational direction receiving surface, the throw-away chip is lifted by cutting resistance during cutting. There is an effect that can prevent.

【図面の簡単な説明】[Brief description of the drawings]

【図1】この発明の一実施形態のスローアウェイ式Tス
ロットカッタの全体の側面図。
FIG. 1 is an overall side view of a throw-away T-slot cutter according to an embodiment of the present invention.

【図2】同実施形態のTスロットカッタのカッティング
ヘッドの端面図。
FIG. 2 is an end view of the cutting head of the T-slot cutter of the same embodiment.

【図3】同実施形態のスローアウェイチップの斜視図。FIG. 3 is a perspective view of the throw-away tip of the same embodiment.

【図4】同実施形態のスローアウェイチップを示し、
(a)は平面図、(b)は矢印A方向から見た側面図、
(c)は矢印B方向から見た側面図。
FIG. 4 shows a throw-away tip of the same embodiment,
(A) is a plan view, (b) is a side view seen from the direction of arrow A,
(C) is a side view seen from the arrow B direction.

【図5】同実施形態のスローアウェイチップをチップ取
付け部に取付けた状態の縦断側面図。
FIG. 5 is a vertical cross-sectional side view showing a state in which the throw-away tip of the same embodiment is attached to a tip attaching portion.

【符号の説明】[Explanation of symbols]

1…工具本体 2…シャンク 3…カッティングヘッド 5a〜5d…チップ取付け部 6…大形チップ 7…小形チップ 12a,12b…すくい面 13a,13b…回転方向受け面 1 ... Tool body 2 ... Shank 3 ... Cutting head 5a-5d ... Tip mounting part 6 ... Large tip 7 ... Small tip 12a, 12b ... Rake surface 13a, 13b ... Rotation direction receiving surface

───────────────────────────────────────────────────── フロントページの続き (72)発明者 島田 愼一 神奈川県川崎市幸区堀川町580番地ソリッ ドスクエア 東芝タンガロイ株式会社内 (72)発明者 森 三知雄 静岡県沼津市大岡2068の3 東芝機械株式 会社沼津事業所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shinichi Shimada 580 Horikawa-cho, Kawasaki-shi, Kanagawa Prefecture Solid Square Toshiba Tungaloy Co., Ltd. Company Numazu Office

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 工具本体の先端部に設けられたカッティ
ングヘッドに周方向に等間隔に偶数個のチップ取付け部
を設け、これらチップ取付け部にスローアウェイチップ
を取付けたスローアウェイ式Tスロットカッタにおい
て、 前記スローアウェイチップは、大形チップと小形チップ
とからなり、前記各チップ取付け部に前記大形チップと
小形チップを前記カッティングヘッドの軸方向に1個ず
つ配置するとともに、周方向には前記大形チップと小形
チップを交互に配置したことを特徴とするスローアウェ
イ式Tスロットカッタ。
1. A throwaway type T-slot cutter in which a cutting head provided at the tip of a tool body is provided with an even number of tip mounting portions at equal intervals in the circumferential direction, and a throw-away tip is mounted on these tip mounting portions. The throw-away tip is composed of a large tip and a small tip, and one large tip and one small tip are arranged in each of the tip mounting portions in the axial direction of the cutting head, and the tip is arranged in the circumferential direction. Throw-away type T-slot cutter characterized by alternately arranging large chips and small chips.
【請求項2】 工具本体の先端部に設けられたカッティ
ングヘッドに周方向に等間隔にチップ取付け部を設け、
これらチップ取付け部にスローアウェイチップを取付け
たスローアウェイ式Tスロットカッタにおいて、 前記スローアウェイチップは、取付け方向から見て菱形
であり、一方の鈍角部を挟んで隣り合う面にすくい面を
有し、他方の鈍角部を挟んで隣り合う面に回転方向受け
面を有していることを特徴とするスローアウェイ式Tス
ロットカッタ。
2. The cutting head provided at the tip of the tool body is provided with tip mounting portions at equal intervals in the circumferential direction,
In a throw away type T slot cutter in which a throw away tip is attached to these tip attaching parts, the throw away tip is a rhombus when viewed from the attaching direction, and has a rake face on an adjacent surface across one obtuse angle portion. A throw-away T-slot cutter having rotation direction receiving surfaces on surfaces adjacent to each other across the other obtuse angle portion.
【請求項3】 前記スローアウェイチップの回転方向受
け面は、チップ座面に対して鋭角であり、前記チップ取
付け部には、前記チップ座面と対面するチップ取付け座
面と前記回転方向受け面と対面するチップ取付け受け面
を有していることを特徴とする請求項2記載のスローア
ウェイ式Tスロットカッタ。
3. The throw-away tip has a rotation direction receiving surface at an acute angle with respect to the tip seat surface, and the tip mounting portion has a tip mounting seat surface facing the tip seat surface and the rotation direction receiving surface. The throw-away type T-slot cutter according to claim 2, further comprising a chip mounting receiving surface facing the chip mounting receiving surface.
JP28521595A 1995-11-01 1995-11-01 Indexable T-slot cutter Expired - Lifetime JP3201943B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP28521595A JP3201943B2 (en) 1995-11-01 1995-11-01 Indexable T-slot cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28521595A JP3201943B2 (en) 1995-11-01 1995-11-01 Indexable T-slot cutter

Publications (2)

Publication Number Publication Date
JPH09123009A true JPH09123009A (en) 1997-05-13
JP3201943B2 JP3201943B2 (en) 2001-08-27

Family

ID=17688604

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28521595A Expired - Lifetime JP3201943B2 (en) 1995-11-01 1995-11-01 Indexable T-slot cutter

Country Status (1)

Country Link
JP (1) JP3201943B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007276075A (en) * 2006-04-11 2007-10-25 Tungaloy Corp Throwaway t-slot cutter
JP2009045722A (en) * 2007-08-23 2009-03-05 Mitsubishi Heavy Ind Ltd Cutting tool
CN104191015A (en) * 2014-07-30 2014-12-10 常州西利合金工具有限公司 T-shaped cutter
CN104191012A (en) * 2014-07-31 2014-12-10 常州西利合金工具有限公司 Continuous cutting T-shaped cutter
US20210078086A1 (en) * 2017-12-13 2021-03-18 Makino Milling Machine Co., Ltd. Milling tool and workpiece machining method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007276075A (en) * 2006-04-11 2007-10-25 Tungaloy Corp Throwaway t-slot cutter
JP2009045722A (en) * 2007-08-23 2009-03-05 Mitsubishi Heavy Ind Ltd Cutting tool
CN104191015A (en) * 2014-07-30 2014-12-10 常州西利合金工具有限公司 T-shaped cutter
CN104191012A (en) * 2014-07-31 2014-12-10 常州西利合金工具有限公司 Continuous cutting T-shaped cutter
US20210078086A1 (en) * 2017-12-13 2021-03-18 Makino Milling Machine Co., Ltd. Milling tool and workpiece machining method
US11890687B2 (en) 2017-12-13 2024-02-06 Makino Milling Machine Co., Ltd. Milling tool and workpiece machining method

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