JPS58173405U

JPS58173405U - Throwaway tip

Info

Publication number: JPS58173405U
Application number: JP6892082U
Authority: JP
Inventors: 薫後藤; 修一ノ関
Original assignee: 三菱マテリアル株式会社
Priority date: 1982-05-12
Filing date: 1982-05-12
Publication date: 1983-11-19
Also published as: JPS6338962Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図、第３図および第５図はそれぞれ従来のスローア
ウェイチップの一例を示し、てれぞれＡ図はその平面図
、Ｂ図はその側面図、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図のスローアウェイチ
ップをバイトに装着して切削加工を行っている状態の一
部を省略して示す一部切欠き側面図、第７図はこの考案
の一実施例を示し、第７図Ａはその平面図、第７図Ｂは
−その側面図、第８図は第７図に示すスローアウェイチ
ップの凸球状面部の拡大平面図、第９図は第７図に示す
スローアウェイチップをバイトに装着して切削加工を行
っている状態の一部を省略して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ェイチップをバ
イトに装置して切削加工を行う場合＋Ｌおける切削開始
時の状態を示す一部省略側面図、第１２ないし第２３図
はそれぞれこの考案の他の実施例を示し、それぞれＡ図
はその平面図、Ｂ図はその側面図、第２６図ないし第３
１図はそれぞれ、この考案に係るスローアウェイチップ
を装着したバイトあるいはカッタ等を示し、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図は溝フライスを示し、第２８図Ａはその一
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２９図はドリルを示し、第２９図
Ａはその底面親図、第２９図Ｂはその切削加工状態の一
部を省略して示す一部切欠き側面図、第３０図はエンド
ミル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、第３４
図ないし第４８図、第５０図ないし第６４図、第一　６
６図ないし第８０図、第８２図ないし第９６図、第９８
図ないし第１１２図、第１１４図ないし第１２９図およ
び第１３１図はそれぞれこの考案のさらに他の実施例を
示し、それぞれＡ図はその平面図、Ｂ図はその側面図、
第３３図、第４９図、第６５図、第８１図、第９７図お
よび第１１３図はそれぞれ第３２図、第４８図、第６４
図、第８０図、第９０図および第１１２図に示すスロー
アウェイチップの凸球状面部の拡大平面図、第１３０図
は第１２９図のＸ−Ｘ線に沿う断面図である。１１・・・スローアウェイチップ、１２・・・す（い面
、１３・・・逃げ面、１４・・・切刃、１４ａ・・・ノ
ーズ、１４ｂ・・・直線部、１４Ｃ・・・凸曲線部、１
５・・・凸球状面部、１６・・・チップブレーカ、Ｐ・
・・頂点、１亡・２等分線、１゜・・・垂直２等分線。（Ａ）　　　　第蕊図第３７図（Ｂ）　　ヮ　　　　　　　　（Ｂ）１４ａ　　１３第匍図°　　　゛ −Ｌ−−−−−− （８）第１０２１図情）（８）、−第１０６図第、１１５図ｍ−１」Ｉ３　　　　　　第１１９図 μ）１４噸＝１−５１８）Figures 1, 3 and 5 each show an example of a conventional indexable tip, with Figure A being a top view, Figure B a side view, Figures 2, 4 and 5 respectively. Fig. 6 is a partially cutaway side view, with some parts omitted, showing the state in which the indexable tips shown in Figs. 1, 3, and 5 are attached to a cutting tool and cutting is performed, respectively, and Fig. 7 shows one embodiment of this invention, FIG. 7A is a plan view thereof, FIG. 7B is a side view thereof, and FIG. 8 is an enlarged plan view of the convex spherical surface portion of the indexable tip shown in FIG. FIG. 9 is a partially cutaway side view showing the state in which the indexable tip shown in FIG. 7 is mounted on a cutting tool and cutting is being performed, with some parts omitted;
Fig. 10 is an enlarged perspective view showing the cutting situation on the convex spherical surface part, and Fig. 11 is a part showing the state at the start of cutting when cutting is performed using the indexable tip shown in Fig. 7 as a cutting tool. The omitted side views and FIGS. 12 to 23 respectively show other embodiments of the invention, and FIG. A is a plan view thereof, FIG. B is a side view thereof, and FIGS. 26 to 3
Fig. 1 shows a cutting tool or a cutter equipped with the indexable tip according to this invention, Fig. 26 is a partially omitted plan view showing the state of cutting with the cutting tool, and Fig. 27 shows the state of cutting with a face milling cutter. Fig. 28 shows a groove milling cutter, Fig. 28A is a partially omitted side view thereof, Fig. 28B is a partially omitted longitudinal front view showing its cutting state, and Fig. 29 shows a drill. FIG. 29A is a bottom view, FIG. 29B is a partially cutaway side view showing the state of cutting, and FIG. 30 is a partially cutaway side view of the state of cutting with an end mill. FIG. 31 is a partially cut-away side view showing a cutting process using a broach, and FIGS.
Figures to 48, Figures 50 to 64, 16
Figures 6 to 80, Figures 82 to 96, Figure 98
112, 114 to 129, and 131 respectively show still other embodiments of this invention, and FIG. A is a plan view thereof, FIG. B is a side view thereof, and FIG.
Figures 33, 49, 65, 81, 97 and 113 are respectively similar to Figures 32, 48 and 64.
FIG. 130 is an enlarged plan view of the convex spherical surface portion of the indexable tip shown in FIG. 80, FIG. 90, and FIG. 112, and FIG. DESCRIPTION OF SYMBOLS 11... Throwaway tip, 12... Seat surface, 13... Flank surface, 14... Cutting edge, 14a... Nose, 14b... Straight line part, 14C... Convex curve Part 1
5... Convex spherical surface part, 16... Chip breaker, P.
... Vertex, 1st bisector, 1°... Perpendicular bisector. (A) Fig. 37 (B) ヮ (B) 14a 13 Fig. ゛-L------- (8) Fig. 1021) (8) , - Fig. 106, 115 Figure m-1'' I3 Figure 119 μ) 14 stories = 1-5 18)

Claims

[Claims for Utility Model Registration] (1) In an indexable insert having a sharp cutting edge formed at the intersection of a rake face and a flank face, a convexity along a part of a virtual spherical body is formed on the peripheral edge of the rake face. A throw-away tip characterized in that a spherical surface portion is formed and a convex curved portion is formed on the cutting edge by the convex spherical surface portion. (2) The indexable tip according to claim 1, which is a registered utility model, wherein the insert has a polygonal shape in plan view, and the cutting edge is composed of a nose portion and a straight portion. (3) The indexable tip according to claim 2, which is a registered utility model, characterized in that a plurality of the convex spherical surface portions are formed. (4) The convex spherical surface portion has one portion on each of the nose portions.
The virtual spherical body forming the convex spherical surface portion for each individual piece has its apex twice the nose angle of the nose portion.
The indexable tip according to claim 3, which is a utility model registered, and is located on an equal dividing line and is entirely symmetrical with respect to the bisecting line. (5) The convex spherical surface portion is provided on each of the nose portions.
The virtual spherical body forming the convex spherical surface portion for each individual piece has its apex twice the nose angle of the nose portion.
The throw-away tip according to claim 3, which is a utility model registered, and is located offset from the bisector and is entirely asymmetrical with respect to the bisector. (6) The convex spherical surface portion is formed one on each of the straight line portions, and the virtual spherical body forming the one convex spherical surface portion has its apex on the perpendicular bisector of the straight line portion. 4. The indexable tip according to claim 3, which is a utility model registered, and is located at , and is entirely symmetrical with respect to a perpendicular bisector. (7) The convex spherical surface part - has one part on each of the straight parts.
The virtual spherical body forming a convex spherical surface portion for each individual piece has its apex shifted from the perpendicular bisector of the straight line portion, and the entire virtual spherical body forms a convex spherical surface portion for this one piece with respect to the perpendicular bisector. The indexable tip according to claim 3 of the utility model registration, characterized in that it is asymmetrical. (8) The convex spherical surface portion has two portions on each of the nose portions.
Registration of a utility model characterized in that the two convex spherical surfaces intersect on the bisector of the nose angle of the nose part and are arranged symmetrically with respect to the bisector. The indexable tip according to claim 3. (9) A plurality of the convex spherical surface portions are formed on each of the straight line portions, and the several convex spherical surface portions are arranged symmetrically with respect to the perpendicular bisector of the straight line portion. The throw-away chip according to claim 3 of the utility model registration claim. (10) The convex spherical surface portion is provided on each of the straight line portions, respectively.
2, and the convex spherical surface portions for the plurality of portions are arranged asymmetrically with respect to the perpendicular bisector of the straight portion.
Throw-away tip person (11) as described in Item (11): The virtual spherical body forming the convex spherical surface portion has its apex located outside the rake face in flat fixation. A throw-away tip according to any one of claims 1 to 10. (12) Utility model registration claims 1 to 10, characterized in that the virtual spherical body forming the convex spherical surface portion has its apex positioned above the cutting edge in plan view. Throwaway tip listed in any of the above. (13) The convex spherical surface portions are formed so that only adjacent ones are separated from each other. Throwaway tip listed in either. (14) The convex spherical surface portions are formed such that adjacent ones touch each other, as set forth in claims 3 to 7 or 9 to 12 of the utility model registration claim. Throwaway tip listed in either. -(15) The throw according to any one of claims 3 to 12, wherein the convex spherical surface portions are formed so that adjacent ones intersect with each other. Away tip. (16) The convex spherical surface portion is formed such that the one formed on the negative nose portion and the one adjacent thereto and formed on other parts of the cutting edge are separated from each other. The throw-away piece according to claim 8 of the utility model registration claim characterized by: 9″ ふ 8 □ 8 yotsu 36 □, -9/-
,(it.edge) A request for registration of a utility model characterized in that the cutter edge and the cutter edge and the other part of the cutting edge are formed so as to be in contact with each other. The indexable tip according to item 8. (18) The utility model registration claim, characterized in that each of the convex spherical surface portions is formed to have an equal radius of curvature. The indexable tip according to any one of Items 3 to 17. 09) Each of the convex spherical surface portions is formed such that the radius of curvature thereof is different from each other. A throw-away tip according to any one of claims 3 to 17 of the utility model registration claims. (20) Utility model registration claim 3, characterized in that each of the convex spherical surface portions is formed such that the heights of the apexes of the virtual spherical body forming each of the convex spherical surface portions are equal.
The throw-away tip according to any one of Items 1 to 19. (2f) Each of the convex spherical surface portions is formed such that the heights of the apexes of the virtual spherical body forming each of the convex spherical surface portions are different from each other. An indexable tip as described in any of the paragraphs. (22) The indexable tip according to any one of claims 1 to 21, wherein a chip breaker is formed on the rake face.