JPH0321857Y2 - - Google Patents
Info
- Publication number
- JPH0321857Y2 JPH0321857Y2 JP1985124805U JP12480585U JPH0321857Y2 JP H0321857 Y2 JPH0321857 Y2 JP H0321857Y2 JP 1985124805 U JP1985124805 U JP 1985124805U JP 12480585 U JP12480585 U JP 12480585U JP H0321857 Y2 JPH0321857 Y2 JP H0321857Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutting edge
- main cutting
- throw
- tool
- tip
- 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
Links
- 238000003801 milling Methods 0.000 claims description 23
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Milling Processes (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
この考案は、工具本体の先端部外周に、その軸
線方向に沿つて複数のスローアウエイチツプが装
着されたスローアウエイ式転削工具に関する。[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a throw-away milling tool in which a plurality of throw-away tips are attached to the outer periphery of the tip of a tool body along the axial direction of the tool body.
近年、エンドミル等に用いられる転削工具とし
て、工具本体の先端部外周にその軸線方向に沿つ
て複数のスローアウエイチツプが着脱自在に装着
されたスローアウエイ式の転削工具が多用されつ
つある。
BACKGROUND ART In recent years, throw-away type milling tools, in which a plurality of throw-away tips are detachably attached to the outer periphery of the tip of a tool body along the axial direction, have been increasingly used as milling tools for end mills and the like.
第１１図〜第１９図は、従来のこの種のスロー
アウエイ式転削工具（以下、転削工具と略称す
る。）を示すもので、図中符号１はこの転削工具
の工具本体を示すものである。 Figures 11 to 19 show a conventional indexable milling tool of this type (hereinafter referred to as a milling tool), and reference numeral 1 in the figures indicates the tool body of this milling tool. It is something.
この工具本体１は、基端部がエンドミル等の駆
動源に軸線Ｘ廻りに回転自在に保持される略円柱
状のもので、その先端部外周には軸線方向に等間
隔を置き、かつ円周方向に等間隔を隔てた合計４
箇所に、その一部分が外周に向けて大きく取り除
かれてなるチツプポケツト２…と、これらチツプ
ポケツト２…の工具本体１の回転方向に面するチ
ツプ取付用の傾斜面３…とが形成されている。そ
して、この工具本体１のチツプ取付用の各傾斜面
３にチツプ取付座４が形成され、このチツプ取付
座４に各々スローアウエイチツプ５が着脱自在に
装着されている。 The tool body 1 has a substantially cylindrical shape with its base end rotatably held by a drive source such as an end mill about an axis A total of 4 equally spaced in the direction
Chip pockets 2, a portion of which is largely removed toward the outer periphery, and sloped surfaces 3 for attaching chips facing the rotational direction of the tool body 1 of these chip pockets 2 are formed at the locations. Chip mounting seats 4 are formed on each of the tip mounting slopes 3 of the tool body 1, and throwaway tips 5 are removably mounted on each of the chip mounting seats 4.
このスローアウエイチツプ５は、第１４図〜第
１７図に示すように、外観が略菱形の板状に形成
されたもので、その上面６の稜辺部のうちの上記
工具本体１の外周側に位置する稜辺部に主切刃
７，７が形成されるとともに、これら主切刃７，
７から載置面とされる下面８に至る側面に、これ
ら主切刃７，７の逃げ面９，９が形成されてなる
ものである。そして、上記上面６の主切刃７に沿
つて切刃先端１０から切刃後端１１に至るすくい
面１２は、上記主切刃７が略円弧形を描くような
円柱面（凸曲面）により形成されている。ここ
で、上記すくい面１２を形成する円柱面（凸曲
面）は、その上下面６，８間の最大厚さ部１３が
上記主切刃７の切刃先端１０と切刃後端１１との
中央に位置するように形成されている。そして、
このスローアウエイチツプ５は、第１１図に示す
ように、工具本体１のチツプ取付座４に軸線Ｘに
対して正の取付け傾斜角αを付与され、かつ第１
８図および第１９図に示すように、これら主切刃
１３…を互いの回転軌跡において軸線Ｘ方向に連
続させて装着されている。 As shown in FIGS. 14 to 17, this throw-away tip 5 is formed into a plate shape with a substantially diamond-shaped appearance, and is located on the outer peripheral side of the tool body 1 of the ridge portion of the upper surface 6. Main cutting edges 7, 7 are formed on the ridge portion located at the ridge, and these main cutting edges 7,
Relief surfaces 9, 9 of these main cutting edges 7, 7 are formed on the side surface from 7 to the lower surface 8, which is a mounting surface. A rake surface 12 extending from the cutting edge tip 10 to the cutting edge rear end 11 along the main cutting edge 7 of the upper surface 6 is a cylindrical surface (convex curved surface) such that the main cutting edge 7 draws a substantially arc shape. It is formed by Here, the cylindrical surface (convex curved surface) forming the rake face 12 has a maximum thickness part 13 between the upper and lower surfaces 6 and 8 between the cutting edge tip 10 and the cutting edge rear end 11 of the main cutting edge 7. It is formed to be located in the center. and,
As shown in FIG. 11, this throw-away tip 5 is provided with a positive mounting inclination angle α to the tip mounting seat 4 of the tool body 1 with respect to the axis
As shown in FIGS. 8 and 19, these main cutting edges 13 are mounted so as to be continuous in the direction of the axis X in their mutual rotation loci.
ところで、上記従来の転削工具では、装着して
いるスローアウエイチツプ５のすくい面１２が円
柱面（凸曲面）状に形成されていることから、切
刃先端部の刃物角が従来のものより大きくなり、
よつて刃先強度に優れるとともに、その特異な切
削作用により切削抵抗や切削熱の発生が低減する
等の特有な利点を有することが知られている。加
えて、この転削工具にあつては、第１１図に示す
ように、装着した上記スローアウエイチツプ５の
主切刃７の中央部より後方側においては、上記取
付け傾斜角αより大きな正の接線角（切刃傾き角
またはアキシヤルすくい角に相当）βが得られる
ため、切屑を上記スローアウエイチツプ５のすく
い面１２に沿う方向へ円滑に除去することができ
るという利点も有する。 By the way, in the above-mentioned conventional milling tool, the rake face 12 of the attached throw-away tip 5 is formed into a cylindrical surface (convex curved surface), so the tool angle at the tip of the cutting edge is larger than that of the conventional milling tool. grow bigger,
Therefore, it is known to have excellent cutting edge strength and unique advantages such as reducing cutting resistance and cutting heat generation due to its unique cutting action. In addition, in this milling tool, as shown in FIG. 11, at the rear side of the center of the main cutting edge 7 of the attached throw-away tip 5, there is a positive angle larger than the mounting inclination angle α. Since the tangential angle (corresponding to the cutting edge inclination angle or axial rake angle) β is obtained, there is also the advantage that chips can be smoothly removed in the direction along the rake face 12 of the throwaway tip 5.
しかしながら、上記従来の転削工具にあつて
は、装着したスローアウエイチツプ５の主切刃７
に沿うすくい面１２が、上記主切刃７が略円弧形
を描くような円柱面によつて形成されているの
で、第１６図に示すように、主切刃７と直交する
基準線での断面視においてその最大厚さ部１３に
おけるすくい面１２の接線角θ1は正になるもの
の、第１７図に示すように、それより切刃後端１
１側でのすくい面１２の接線角θ2は負になつてし
まう。一方、上記接線角θ1，θ2は、第１２図およ
び第１３図に示すように、工具本体１に装着した
状態において真のすくい角（または、ラジアルす
くい角）に相当するため、結局切削時における切
削分力に最も大きな影響を与える上記真のすくい
角が、スローアウエイチツプ５の主切刃７の切刃
先端１０側では正となり、逆に切刃後端１１側で
は負となつてしまう。このため、特に主切刃７の
切刃後端１１側を使用する深切り込み切削におい
ては切削抵抗が極端に増加し、よつて装着したス
ローアウエイチツプ５の上述したような凸曲面か
らなるすくい面１２の効果を十分に得ることがで
きないという問題点があつた。
However, in the conventional milling tool described above, the main cutting edge 7 of the attached throw-away tip 5
Since the rake face 12 along the main cutting edge 7 is formed by a cylindrical surface such that the main cutting edge 7 draws a substantially arc shape, the rake face 12 along the main cutting edge 7 is formed by a reference line orthogonal to the main cutting edge 7, as shown in FIG. Although the tangent angle θ 1 of the rake face 12 at the maximum thickness portion 13 is positive in the cross-sectional view, as shown in FIG.
The tangent angle θ 2 of the rake face 12 on the first side becomes negative. On the other hand, as shown in FIGS. 12 and 13, the tangential angles θ 1 and θ 2 correspond to the true rake angle (or radial rake angle) when mounted on the tool body 1, so the cutting The above true rake angle, which has the greatest influence on the cutting force when cutting, is positive on the cutting edge tip 10 side of the main cutting edge 7 of the throw-away tip 5, and negative on the cutting edge rear end 11 side. Put it away. For this reason, especially in deep cutting using the rear end 11 side of the main cutting edge 7, the cutting resistance increases extremely, and the rake surface of the attached throw-away tip 5, which is made of a convex curve as described above, increases. There was a problem that the effect of No. 12 could not be fully obtained.
この考案は上記事情に鑑みてなされたもので、
その切削性能に優れるとともに、深切り込み切削
においても切削抵抗が増大することのない転削工
具を提供することを目的とするものである。
This idea was made in view of the above circumstances,
The object of the present invention is to provide a milling tool that has excellent cutting performance and does not increase cutting resistance even in deep cutting.
この考案は、工具本体の先端部外周に、複数の
ポジテイブスローアウエイチツプが、互いに主切
刃をそれらの回転軌跡において上記工具本体の軸
線方向に連続させて着脱自在に装着されてなるス
ローアウエイ式転削工具において、上記ポジテイ
ブスローアウエイチツプを、平行四辺形の板状を
なし、上面の対向する２稜辺部に上記主切刃を形
成し、この一の主切刃を回転工具の外周側にして
工具の軸方向に沿わせてかつアキシヤルすくい角
を付けて取り付けるとともに、上記上面の上記主
切刃に沿うすくい面を、チツプの中央より主切刃
に向かうに従い底面側より上面側に傾斜する軸線
を有する凸円柱面で形成し、上記円柱面の軸線を
チツプ底面に平行な面内において一方のコーナー
側に傾斜させたものである。
This device is a throw-away type in which a plurality of positive throw-away tips are removably attached to the outer periphery of the tip of the tool body so that the main cutting edges are connected to each other in the axial direction of the tool body along their rotation loci. In the milling tool, the positive indexable tip has a parallelogram plate shape, the main cutting edges are formed on two opposing ridges of the upper surface, and this one main cutting edge is formed on the outer peripheral side of the rotary tool. At the same time, the rake face along the main cutting edge on the top surface is inclined from the bottom side to the top side as it goes from the center of the chip toward the main cutting edge. The chip is formed of a convex cylindrical surface having an axis that is parallel to the bottom surface of the chip, and the axis of the cylindrical surface is inclined toward one corner in a plane parallel to the bottom surface of the chip.
第１図〜第５図は、この考案の転削工具の第一
の例を示すもので、第１４図〜第２１図に示した
ものと共通する部分には同一符号を付してその説
明を省略する。
Figures 1 to 5 show a first example of the milling tool of this invention, and parts common to those shown in Figures 14 to 21 are given the same reference numerals and explained. omitted.
第１図および第５図において、この例の転削工
具においては、上記工具本体１のチツプ取付座４
にスローアウエイチツプ３５が着脱自在に装着さ
れている。 1 and 5, in the milling tool of this example, the tip mounting seat 4 of the tool body 1 is
A throw-away tip 35 is removably attached to the.
このスローアウエイチツプ３５は、第３図及び
第４図に示すように、工具本体１の外周側に位置
する主切刃３６のすくい面３７が、平面状の上面
３８から主切刃３６に向けてその上下面３８，３
９間の厚さが漸次増加する傾斜面によつて形成さ
れている。また、このすくい面３７を形成する上
記傾斜面は、主切刃３６の方向に沿つて円柱面状
に湾曲する凸曲面に形成されている。これによ
り、第５図に示すように、上記すくい面３７の主
切刃３６と直交する方向には、上記主切刃３６の
全長に亙つて正の接線角θ4が形成されている。さ
らに、上記すくい面３７は、その上下面３８，３
９間の最大厚さ部を、上記主切刃３６の中央より
切刃先端４０側に位置させて形成されている。そ
してこのスローアウエイチツプ３５は、第１図に
示すように、上記工具本体１のチツプ取付座４に
取付け傾斜角α2を付与され、かつ第６図および第
７図に示すように、互いの上記主切刃３６…をそ
れらの回転軌跡において工具本体１の軸線Ｘ方向
に連続させて装着されている。 As shown in FIGS. 3 and 4, in this throw-away tip 35, the rake face 37 of the main cutting edge 36 located on the outer peripheral side of the tool body 1 is directed from the planar upper surface 38 toward the main cutting edge 36. Upper and lower surfaces 38, 3 of the lever
It is formed by an inclined surface whose thickness gradually increases between 9 and 9. Further, the inclined surface forming the rake surface 37 is formed into a convex curved surface that curves into a cylindrical shape along the direction of the main cutting edge 36. As a result, as shown in FIG. 5, a positive tangential angle θ 4 is formed in the direction perpendicular to the main cutting edge 36 of the rake face 37 over the entire length of the main cutting edge 36. Further, the rake face 37 has upper and lower surfaces 38, 3
The maximum thickness between the main cutting edges 36 and 9 is located closer to the cutting edge tip 40 than the center of the main cutting edge 36. As shown in FIG. 1, this throw-away tip 35 is attached to the tip mounting seat 4 of the tool body 1 at an inclination angle α2 , and as shown in FIGS. The main cutting edges 36 are mounted so as to be continuous in the direction of the axis X of the tool body 1 along their rotation loci.
しかして、以上の構成からなる転削工具にあつ
ては、装着したスローアウエイチツプ３５の主切
刃３６のすくい面３７を、平面状の上記上面３８
から主切刃３６に向けてその上下面３８，３９間
の厚さが漸次増加する傾斜面によつて形成し、か
つ上記傾斜面を主切刃３６に沿つて円柱状に湾曲
する凸曲面に形成したので、第２図に示すよう
に、主切刃３６の全長に亙つて上記接線角θ4に対
応した正の真のすくい角を得ることができる。こ
のため、深切り込み切削に用いた場合においても
切削抵抗が増大することなく、優れた切削性能を
得ることができる。加えて、上記主切刃３６の切
刃後端４１の側においては従来のものと同様に上
記取付け傾斜角α2より大きな正の接線角β2を得る
ことができる。このため、より一層優れた上記主
切刃３６に沿う方向への切屑の除去性能を得るこ
とができる。 Therefore, in the milling tool having the above configuration, the rake face 37 of the main cutting edge 36 of the attached throw-away tip 35 is connected to the planar upper surface 38.
It is formed by an inclined surface in which the thickness between the upper and lower surfaces 38 and 39 gradually increases from the main cutting edge 36 toward the main cutting edge 36, and the inclined surface is formed into a convex curved surface curving into a cylindrical shape along the main cutting edge 36. As a result, as shown in FIG. 2, a positive true rake angle corresponding to the tangential angle θ 4 can be obtained over the entire length of the main cutting edge 36. Therefore, even when used for deep cutting, excellent cutting performance can be obtained without increasing cutting resistance. In addition, on the side of the cutting edge rear end 41 of the main cutting edge 36, a positive tangential angle β 2 larger than the mounting inclination angle α 2 can be obtained as in the conventional case. Therefore, even better chip removal performance in the direction along the main cutting edge 36 can be obtained.
また、第８図〜第１０図はこの考案の第二の例
を示すもので、工具本体１に正方形状のスローア
ウエイチツプ４５を、互いの上記主切刃４６…を
それらの回転軌跡において工具本体の軸線Ｘ方向
に連続させて装着したものである。そして、この
スローアウエイチツプ４５の主切刃４６のすくい
面４７は、前記第一の例のものと同様に、このチ
ツプの上面４８から上記主切刃４６へ向けてその
上下面間の厚さが漸次増加する傾斜面をなし、か
つ上記主切刃４６に沿つて円滑な凸曲面をなす曲
面により形成されている。 Moreover, FIGS. 8 to 10 show a second example of this invention, in which a square throw-away tip 45 is attached to the tool body 1, and the main cutting edges 46 of each other are set in the tool body 1 along their rotation loci. It is installed continuously in the direction of the axis X of the main body. Similarly to the first example, the rake surface 47 of the main cutting edge 46 of this throw-away chip 45 extends from the upper surface 48 of this chip toward the main cutting edge 46 by the thickness between the upper and lower surfaces. It is formed by a curved surface which forms an inclined surface in which the angle gradually increases and forms a smooth convex curved surface along the main cutting edge 46.
なお、上記各実施例においては、いずれも工具
本体１に、コーナ部２３…が円弧状に面取り加工
されたスローアウエイチツプ３５，４５を装着し
てあるがこれに限るものではなく、上記の各スロ
ーアウエイチツプと同様の形状のすくい面を有す
るスローアウエイチツプであれば、コーナ部２３
…に直線状をなす副切刃が形成されたものを装着
しても良い。 In each of the above-mentioned embodiments, the tool body 1 is equipped with throw-away tips 35, 45 whose corner portions 23 are chamfered in an arc shape, but the present invention is not limited to this. If the throw-away tip has a rake face of the same shape as the throw-away tip, the corner portion 23
... may be equipped with a linear auxiliary cutting edge formed thereon.
以上説明したようにこの考案の転削工具は、工
具本体の先端部外周に、複数のポジテイブスロー
アウエイチツプが、互いの主切刃をそれらの回転
軌跡において上記工具本体の軸線方向に連続させ
て着脱自在に装着されてなるスローアウエイ式転
削工具において、上記ポジテイブスローアウエイ
チツプを、平行四辺形の板状をなし、上面の対向
する２稜辺部に上記主切刃を形成し、この一の主
切刃を回転工具の外周側にして工具の軸方向に沿
わせてかつアキシヤルすくい角を付けて取り付け
るとともに、上記上面の上記主切刃に沿うすくい
面を、チツプの中央より主切刃に向かうに従い底
面側より上面側に傾斜する軸線を有する凸円柱面
で形成し、上記円柱面の軸線をチツプ底面に平行
な面内において一方のコーナー側に傾斜させたも
のであるので、その使用形態から特に負荷がかか
り、破損しやすいと考えられるコーナー部を有す
るチツプを取り付けた転削工具において、ラジア
ル方向にすくい角を充分に保持して切削抵抗の増
大を防ぎ、かつ切屑を分散させて排除機能を高め
ることができるとともに、すくい面を球面にする
場合に比較して製造が簡単であり、さらに、ラジ
アル方向の刃物角が必要以上に大きくなることが
ないので、工具のチツプ取付座の剛性を損なうこ
ともなく、また、上記一方のコーナーを工具先端
側に設定することにより、コーナー部側の厚さを
確保するのでコーナー部を補強して耐用性の高い
転削工具を提供することができる。
As explained above, the milling tool of this invention has a plurality of positive throw-away chips on the outer periphery of the tip of the tool body, the main cutting edges of which are continuous in the axial direction of the tool body in their rotation loci. In the throw-away type milling tool which is detachably attached, the positive throw-away tip is shaped like a parallelogram plate, and the main cutting edge is formed on two opposing ridges of the upper surface. Attach the main cutting edge of the rotary tool to the outer periphery of the tool along the axial direction of the tool and with an axial rake angle, and also attach the rake face along the main cutting edge of the upper surface to the main cutting edge from the center of the chip. It is formed of a convex cylindrical surface with an axis that slopes from the bottom side to the top side as it goes toward the chip, and the axis of the cylindrical surface is inclined toward one corner side in a plane parallel to the bottom surface of the chip. For milling tools equipped with chips that have corners that are particularly susceptible to stress and breakage due to their shape, it is possible to maintain a sufficient rake angle in the radial direction to prevent an increase in cutting resistance and to disperse chips. In addition to improving the removal function, manufacturing is easier than when the rake face is made spherical.Furthermore, the cutting edge angle in the radial direction does not become larger than necessary, making it possible to improve the tool's chip mounting seat. To provide a highly durable milling tool without compromising rigidity, and by setting one of the corners on the tool tip side, the thickness on the corner side is ensured, thereby reinforcing the corner part. I can do it.
第１図〜第７図はこの考案の第一実施例を示す
もので、第１図は全体の正面図、第２図は同底面
図、第３図は上記実施例の転削工具に装着されて
いるスローアウエイチツプを示す正面図、第４図
は同側面図、第５図は同底面図、第６図は上記ス
ローアウエイチツプの回転軌跡を示す正面図、第
７図は同側面図、第８図ないし第１０図はこの考
案の第二実施例を示すもので、第８図はスローア
ウエイチツプの回転軌跡を示す正面図、第９図ス
ローアウエイチツプの正面図、第１０図は同側面
図、第１１図〜第１９図は従来のスローアウエイ
式転削工具を示すもので、第１１図は全体の正面
図、第１２図は第１３図のP1−P1線視断面図、
第１３図は第１１図のP2−P2線視断面図、第１
４図は上記従来の転削工具に装着されているスロ
ーアウエイチツプを示す正面図、第１５図は同側
面図、第１６図は第１４図のP3−P3線視断面図、
第１７図は第１４図のP4−P4線視断面図、第１
８図は上記スローアウエイチツプの回転軌跡を示
す正面図、第１９図は同側面図である。
１……工具本体、４……チツプ取付座、３５，
４５……スローアウエイチツプ、３８，４８……
上面、３６，４６……主切刃、４０……切刃先
端、４１……切刃後端、３７……すくい面、２３
……コーナ部、θ4……接線角。
Figures 1 to 7 show the first embodiment of this invention. Figure 1 is a front view of the whole, Figure 2 is a bottom view of the same, and Figure 3 is attached to the cutting tool of the above embodiment. FIG. 4 is a side view, FIG. 5 is a bottom view, FIG. 6 is a front view showing the rotation locus of the throw-away tip, and FIG. 7 is a side view. , FIGS. 8 to 10 show a second embodiment of this invention, in which FIG. 8 is a front view showing the rotation locus of the throw-away tip, FIG. 9 is a front view of the throw-away tip, and FIG. 10 is a front view of the throw-away tip. The same side view and FIGS. 11 to 19 show a conventional throw-away type milling tool. FIG. 11 is a front view of the whole, and FIG . figure,
Figure 13 is a sectional view taken along the P 2 - P 2 line in Figure 11.
FIG. 4 is a front view showing the throw-away tip installed in the conventional milling tool, FIG. 15 is a side view of the same, and FIG. 16 is a sectional view taken along line P 3 - P 3 of FIG. 14.
Figure 17 is a sectional view taken along line P 4 - P 4 in Figure 14,
FIG. 8 is a front view showing the rotation locus of the throw-away tip, and FIG. 19 is a side view of the same. 1... Tool body, 4... Chip mounting seat, 35,
45... Throwaway tip, 38, 48...
Top surface, 36, 46... Main cutting edge, 40... Cutting blade tip, 41... Cutting blade rear end, 37... Rake face, 23
...Corner part, θ 4 ...Tangential angle.
Claims (1)
ローアウエイチツプが、互いの主切刃をそれらの
回転軌跡において上記工具本体の軸線方向に連続
させて着脱自在に装着されてなるスローアウエイ
式転削工具において、 上記ポジテイブスローアウエイチツプは、平行
四辺形の板状をなし、上面の対向する２稜辺部に
上記主切刃が形成され、この一の主切刃を回転工
具の外周側にして工具の軸方向に沿わせてかつア
キシヤルすくい角を付けて取り付けられるととも
に、 上記上面の上記主切刃に沿うすくい面を、チツ
プの中央より主切刃に向かうに従い底面側より上
面側に傾斜する軸線を有する凸円柱面で形成し、 上記円柱面の軸線はチツプ底面に平行な面内に
おいて一方のコーナー側に傾斜していることを特
徴とするスローアウエイ式転削工具。[Claims for Utility Model Registration] A plurality of positive throw-away tips are removably attached to the outer periphery of the tip of the tool body, with their main cutting edges continuous in the axial direction of the tool body in their rotation loci. In the indexable milling tool, the positive throw-away tip has a parallelogram plate shape, and the main cutting edge is formed on two opposing ridges of the upper surface. It is attached to the outer periphery of the rotary tool along the axial direction of the tool with an axial rake angle, and the rake face along the main cutting edge on the top surface is attached to the bottom surface from the center of the chip toward the main cutting edge. Throw-away milling characterized by a convex cylindrical surface having an axis inclined from the side to the top side, and the axis of the cylindrical surface being inclined toward one corner in a plane parallel to the bottom surface of the chip. tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985124805U JPH0321857Y2 (en) | 1985-08-14 | 1985-08-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985124805U JPH0321857Y2 (en) | 1985-08-14 | 1985-08-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6232714U JPS6232714U (en) | 1987-02-26 |
| JPH0321857Y2 true JPH0321857Y2 (en) | 1991-05-13 |
Family
ID=31017160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985124805U Expired JPH0321857Y2 (en) | 1985-08-14 | 1985-08-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321857Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5638717B2 (en) * | 1978-11-30 | 1981-09-08 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53165394U (en) * | 1977-06-02 | 1978-12-25 | ||
| JPS6231215Y2 (en) * | 1979-08-30 | 1987-08-11 | ||
| JPS58173405U (en) * | 1982-05-12 | 1983-11-19 | 三菱マテリアル株式会社 | Throwaway tip |
-
1985
- 1985-08-14 JP JP1985124805U patent/JPH0321857Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5638717B2 (en) * | 1978-11-30 | 1981-09-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6232714U (en) | 1987-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH04115521U (en) | milling tool | |
| JPH0131371Y2 (en) | ||
| JPH0321857Y2 (en) | ||
| JP3118956B2 (en) | Indexable tip | |
| JPH031137Y2 (en) | ||
| JP3109561B2 (en) | Indexable inserts and cutting tools | |
| JPH039935Y2 (en) | ||
| JPH0135774Y2 (en) | ||
| JPH0137858Y2 (en) | ||
| JP3120437B2 (en) | Throw-away tips | |
| JPH0357382Y2 (en) | ||
| JPH0135776Y2 (en) | ||
| JPH0236652Y2 (en) | ||
| JPH0214896Y2 (en) | ||
| JPH0137857Y2 (en) | ||
| JPH0511925Y2 (en) | ||
| JP2543718Y2 (en) | Throw-away tips | |
| JPS6119859Y2 (en) | ||
| JPH0214897Y2 (en) | ||
| JPH0735701Y2 (en) | Throw-away type ball end mill | |
| JPH0144264Y2 (en) | ||
| JP2564785Y2 (en) | Indexable tip | |
| JPH0144262Y2 (en) | ||
| JPH0144265Y2 (en) | ||
| JPH063502U (en) | Cutting tools |