JPS6456903U - - Google Patents

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Publication number
JPS6456903U
JPS6456903U JP4457588U JP4457588U JPS6456903U JP S6456903 U JPS6456903 U JP S6456903U JP 4457588 U JP4457588 U JP 4457588U JP 4457588 U JP4457588 U JP 4457588U JP S6456903 U JPS6456903 U JP S6456903U
Authority
JP
Japan
Prior art keywords
spherical surface
convex spherical
nose
throw
portions
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
JP4457588U
Other languages
Japanese (ja)
Other versions
JPH0337846Y2 (en
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 filed Critical
Priority to JP1988044575U priority Critical patent/JPH0337846Y2/ja
Publication of JPS6456903U publication Critical patent/JPS6456903U/ja
Application granted granted Critical
Publication of JPH0337846Y2 publication Critical patent/JPH0337846Y2/ja
Expired legal-status Critical Current

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  • Milling Processes (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図、第３図および第５図はそれぞれ従来の
スローアウエイチツプの一例を示し、それぞれ各
図Ａは平面図、各図Ｂは側面図、第２図、第４図
および第６図はそれぞれ第１図、第３図および第
５図のスローアウエイチツプをバイトに装着して
切削加工を行つている状態の要部を示す一部切欠
き側面図、第７図はこの考案のスローアウエイチ
ツプの一実施例を示し、第７図Ａは平面図、第７
図Ｂは側面図、第８図は第７図に示すスローアウ
エイチツプの凸球面状面部の拡大平面図、第９図
は第７図に示すスローアウエイチツプをバイトに
装着して切削加工を行つている状態の要部を示す
一部切欠き側面図、第１０図は凸球状面部におけ
る切削状況を示す拡大斜視図、第１１図は第７図
に示すスローアウエイチツプをバイトに装着して
切削加工を行う場合における切削開始時の状態を
示す一部省略側面図、第１２図ないし第２５図は
それぞれこの考案の他の実施例を示し、それぞれ
各図Ａは平面図、各図Ｂは側面図、第２６図ない
し第３１図はそれぞれ、この考案に係るスローア
ウエイチツプを装着したバイトあるいはカツタ等
を示し、第２６図はバイトによる切削状態を示す
一部省略平面図、第２７図は正面フライスによる
切削状態を示す一部省略縦断正面図、第２８図Ａ
は溝フライスの一部省略側面図、第２８図Ｂはそ
の切削加工状態を示す一部省略縦断正面図、第２
９図Ａはドリルの底面視図、第２９図Ｂはその切
削加工状態の要部を示す一部切欠き側面図、第３
０図はエンドミルによる切削加工状態の要部を示
す一部切欠き側面図、第３１図はブローチによる
切削加工状態の一部を省略して示す一部切欠き側
面図、第３２図ないし第４７図、第４８図ないし
第６５図はそれぞれこの考案のさらに他の実施例
を示し、各図Ａは平面図、各図Ｂは側面図、第３
３図および第４９図は各々第３２図および第４８
図に示すスローアウエイチツプの凸球状面部の拡
大平面図である。 １１……スローアウエイチツプ、１２……すく
い面、１３……逃げ面、１４……切刃、１４ａ…
…ノーズ部、１４ｂ……直線部、１４ｃ……凸曲
線部、１５……凸球状面部、Ｐ……頂点、ｌ１…
…２等分線。 1, 3, and 5 each show an example of a conventional throw-away chip, in which each figure A is a plan view, each figure B is a side view, and FIGS. 2, 4, and 6 are A partially cutaway side view showing the main parts of the throw-away tips shown in Figures 1, 3, and 5 being mounted on a cutting tool and performing cutting, and Figure 7 is a side view of the throw-away tip of this invention. One embodiment of the chip is shown, FIG. 7A is a plan view, and FIG.
Figure B is a side view, Figure 8 is an enlarged plan view of the convex spherical surface of the throw-away tip shown in Figure 7, and Figure 9 is a cutting process in which the throw-away tip shown in Figure 7 is attached to a cutting tool. Fig. 10 is an enlarged perspective view showing the cutting situation on the convex spherical surface, Fig. 11 is a cutting with the throw-away tip shown in Fig. 7 attached to the cutting tool. A partially omitted side view showing the state at the start of cutting when machining is performed, and FIGS. 12 to 25 each show other embodiments of this invention, with each figure A being a plan view and each figure B being a side view. 26 to 31 respectively show a cutting tool or cutter equipped with a throw-away tip according to this invention, FIG. 26 is a partially omitted plan view showing the state of cutting by the cutting tool, and FIG. 27 is a front view. Partially omitted longitudinal sectional front view showing the state of cutting by a milling cutter, Fig. 28A
28B is a partially omitted side view of the groove milling cutter, FIG.
9A is a bottom view of the drill, FIG. 29B is a partially cutaway side view showing the main part of the drill in the state of cutting, and FIG.
Fig. 0 is a partially cutaway side view showing the main part of the cutting process with the end mill, Fig. 31 is a partially notched side view showing the cutting process with the broach with some parts omitted, and Figs. 32 to 47 Figures 48 to 65 respectively show still other embodiments of this invention, each figure A is a plan view, each figure B is a side view, and the third figure is a side view.
Figures 3 and 49 correspond to Figures 32 and 48, respectively.
FIG. 3 is an enlarged plan view of the convex spherical surface of the throwaway tip shown in the figure. 11... Throwaway tip, 12... Rake face, 13... Flank surface, 14... Cutting edge, 14a...
...Nose part, 14b...Straight line part, 14c...Convex curved part, 15...Convex spherical surface part, P...Vertex, l 1 ...
...bisector.

Claims (1)

【実用新案登録請求の範囲】 (1) すくい面と逃げ面との交叉部にノーズ部を
有する切刃が形成されてなるスローアウエイチツ
プにおいて、前記ノーズ部に沿うすくい面の周縁
部に、仮想球状体の一部に沿う凸球状面部を形成
し、この凸球状面部によつて前記切刃のノーズ部
に凸曲線部を形成したことを特徴とするスローア
ウエイチツプ。 (2) 前記凸球状面部は、複数個形成されている
ことを特徴とする実用新案登録請求の範囲第１項
に記載のスローアウエイチツプ。 (3) 前記凸球状面部は、前記各ノーズ部にそれ
ぞれ１個宛形成され、この１個宛の凸球状面部を
形成する前記仮想球状体は、ぞの頂点が前記ノー
ズ部のノーズ角の２等分線上に位置し、かつ全体
が前記２等分線に関して対称とされていることを
特徴とする実用新案登録請求の範囲第１項に記載
のスローアウエイチツプ。 (4) 前記凸球状面部は、前記各ノーズ部にそれ
ぞれ１個宛形成され、この１個宛の凸球状面部を
形成する前記仮想球状体は、その頂点が前記ノー
ズ部のノーズ角の２等分線からずらされて位置し
、かつ全体が前記２等分線に関して非対称とされ
ていることを特徴とする実用新案登録請求の範囲
第１項に記載のスローアウエイチツプ。 (5) 前記凸球状面部は、前記各ノーズ部にそれ
ぞれ２個宛形成され、この２個宛の凸球状面部は
、前記ノーズ部のノーズ角の２等分線上で交叉す
るとともに、前記２等分線に関して対称に配置さ
れていることを特徴とする実用新案登録請求の範
囲第１項に記載のスローアウエイチツプ。 (6) 前記凸球状面部を形成する仮想球状体は、
平面視において、その頂点が前記すくい面の外側
に位置させられていることを特徴とする実用新案
登録請求の範囲第１項ないし第５項のいずれかに
記載のスローアウエイチツプ。 (7) 前記凸球状面部を形成する仮想球状体は、
平面視において、その頂点が前記切刃上に位置さ
せられていることを特徴とする実用新案登録請求
の範囲第１項ないし第５項のいずれかに記載のス
ローアウエイチツプ。 (8) 前記凸球状面部は、隣接するものどうしが
互いに離れるようにして形成されていることを特
徴とする実用新案登録請求の範囲第２項または第
５項ないし第７項のいずれかに記載のスローアウ
エイチツプ。 (9) 前記凸球状面部は、隣接するものどうしが
互いに接するようにして形成されていることを特
徴とする実用新案登録請求の範囲第２項または第
５項ないし第７項のいずれかに記載のスローアウ
エイチツプ。 (10) 前記凸球状面部は、隣接するものどうしが
互いに交叉するようにして形成されていることを
特徴とする実用新案登録請求の範囲第２項または
第５項ないし第７項のいずれかに記載のスローア
ウエイチツプ。 〓(11)１１〓 前記各凸球状面部は、それぞれの
曲率半径の大きさが等しくなるようにして形成さ
れていることを特徴とする実用新案登録請求の範
囲第２項または第５項ないし第１０項のいずれか
に記載のスローアウエイチツプ。 〓(12)１２〓 前記各凸球状面部は、それぞれの
曲率半径の大きさが互いに異なるようにして形成
されていることを特徴とする実用新案登録請求の
範囲第２項または第５項ないし第１０項のいずれ
かに記載のスローアウエイチツプ。 〓(13)１３〓 前記各凸球状面部は、それぞれを
形成する前記仮想球状体の頂点の高さが等しくな
るようにして形成されていることを特徴とする実
用新案登録請求の範囲第２項または第５項ないし
第１２項のいずれかに記載のスローアウエイチツ
プ。 〓(14)１４〓 前記各凸球状面部は、それぞれを
形成する前記仮想球状体の頂点の高さが互いに異
なるようにして形成されていることを特徴とする
実用新案登録請求の範囲第２項または第５項ない
し第１２項のいずれかに記載のスローアウエイチ
ツプ。[Claims for Utility Model Registration] (1) In a throw-away tip in which a cutting edge is formed with a nose portion at the intersection of a rake face and a flank face, an imaginary A throw-away tip characterized in that a convex spherical surface portion is formed along a part of the spherical body, and a convex curved portion is formed at the nose portion of the cutting blade by the convex spherical surface portion. (2) The throw-away chip according to claim 1, wherein a plurality of the convex spherical surface portions are formed. (3) The convex spherical surface portion is formed one on each of the nose portions, and the virtual spherical body forming the one convex spherical surface portion has an apex that is twice the nose angle of the nose portion. 2. The throw-away tip according to claim 1, which is located on an equal bisector and is entirely symmetrical with respect to the bisector. (4) The convex spherical surface portion is formed one on each of the nose portions, and the virtual spherical body forming the one convex spherical surface portion has an apex that is equal to the nose angle of the nose portion. The throwaway tip according to claim 1, which is a registered utility model, and is located offset from the bisector and is entirely asymmetrical with respect to the bisector. (5) Two convex spherical surface portions are formed on each of the nose portions, and these two convex spherical surface portions intersect on the bisector of the nose angle of the nose portion, and the two convex spherical surface portions intersect on the bisector of the nose angle of the nose portion, and The throw-away tip according to claim 1, which is arranged symmetrically with respect to the dividing line. (6) The virtual spherical body forming the convex spherical surface portion is
6. The throw-away tip according to any one of claims 1 to 5, wherein the tip is located outside the rake face in plan view. (7) The virtual spherical body forming the convex spherical surface portion is
The throw-away tip according to any one of claims 1 to 5, wherein the tip is located on the cutting edge in plan view. (8) The convex spherical surface portion is formed such that adjacent portions are separated from each other, as described in any one of claims 2 or 5 to 7 of the utility model registration claim. Throwaway tip. (9) The convex spherical surface portion is formed such that adjacent portions touch each other, as described in any one of claims 2 or 5 to 7 of the utility model registration claim. Throwaway tip. (10) According to any one of claims 2 or 5 to 7 of the utility model registration claim, wherein the convex spherical surface portions are formed such that adjacent ones intersect with each other. Throwaway tips listed. 〓(11)11〓 The utility model registered claims 2 or 5 to 5 are characterized in that each of the convex spherical surface portions is formed such that the radius of curvature thereof is equal to each other. Throwaway tip according to any one of Item 10. 〓(12)12〓 The utility model registration claims 2 or 5 to 5 are characterized in that each of the convex spherical surface portions is formed such that the radius of curvature thereof is different from each other. Throwaway tip according to any one of Item 10. 〓(13)13〓 Claim 2 of the utility model registration claim, characterized in that each of the convex spherical surface portions is formed such that the heights of the vertices of the virtual spherical body forming each of the convex spherical surface portions are equal. Or the throw-away tip according to any one of items 5 to 12. 〓(14)14〓 Claim 2 of the utility model registration claim, characterized in that each of the convex spherical surface portions is formed such that the heights of the vertices of the virtual spherical body forming each of the convex spherical surface portions are different from each other. Or the throw-away tip according to any one of items 5 to 12.
JP1988044575U 1988-04-01 1988-04-01 Expired JPH0337846Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988044575U JPH0337846Y2 (en) 1988-04-01 1988-04-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988044575U JPH0337846Y2 (en) 1988-04-01 1988-04-01

Publications (2)

Publication Number Publication Date
JPS6456903U true JPS6456903U (en) 1989-04-10
JPH0337846Y2 JPH0337846Y2 (en) 1991-08-09

Family

ID=31270925

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988044575U Expired JPH0337846Y2 (en) 1988-04-01 1988-04-01

Country Status (1)

Country Link
JP (1) JPH0337846Y2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006525131A (en) * 2003-05-08 2006-11-09 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 Cutting insert for turning
JP2009537335A (en) * 2006-05-18 2009-10-29 ケンナメタル ヴィディア プロドゥクツィオンス ゲーエムベーハー ウント コー カーゲー Cutting insert and tool including tool holder and cutting insert
US8449226B2 (en) 2005-08-01 2013-05-28 Sumitomo Electric Hardmetal, Corp. Throw-away cutting insert and cutting tool with replaceable cutting edge using the same
WO2016152376A1 (en) * 2015-03-23 2016-09-29 京セラ株式会社 Insert, drill, and method for manufacturing cut workpiece using same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52134182A (en) * 1976-05-06 1977-11-10 Zenoo Kk Constitution of convex curved surface of rake surface at end of cutting edge of cutting tool
JPS5325156A (en) * 1976-08-20 1978-03-08 Kinski Ernst Umbrella

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52134182A (en) * 1976-05-06 1977-11-10 Zenoo Kk Constitution of convex curved surface of rake surface at end of cutting edge of cutting tool
JPS5325156A (en) * 1976-08-20 1978-03-08 Kinski Ernst Umbrella

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006525131A (en) * 2003-05-08 2006-11-09 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 Cutting insert for turning
US8449226B2 (en) 2005-08-01 2013-05-28 Sumitomo Electric Hardmetal, Corp. Throw-away cutting insert and cutting tool with replaceable cutting edge using the same
JP2009537335A (en) * 2006-05-18 2009-10-29 ケンナメタル ヴィディア プロドゥクツィオンス ゲーエムベーハー ウント コー カーゲー Cutting insert and tool including tool holder and cutting insert
US8371774B2 (en) 2006-05-18 2013-02-12 Kennametal Widia Produktions Gmbh & Co. Kg Cutting insert for machining a workpiece
WO2016152376A1 (en) * 2015-03-23 2016-09-29 京セラ株式会社 Insert, drill, and method for manufacturing cut workpiece using same
JPWO2016152376A1 (en) * 2015-03-23 2017-12-21 京セラ株式会社 Insert, drill, and method of manufacturing a cut product using the same
US10668540B2 (en) 2015-03-23 2020-06-02 Kyocera Corporation Insert, drill, and method of manufacturing machined product using the same

Also Published As

Publication number Publication date
JPH0337846Y2 (en) 1991-08-09

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