JPS61154603U

JPS61154603U -

Info

Publication number: JPS61154603U
Application number: JP3938885U
Authority: JP
Priority date: 1985-03-19
Filing date: 1985-03-19
Publication date: 1986-09-25
Also published as: JPH0333366Y2

Description

[Brief explanation of the drawing]

第１図ないし第９図はこの考案の一実施例を示
し、第１図はその平面図、第２図は第１図の矢
視図、第３図は第１図の―線矢視断面図、第
４図、第５図、第６図はそれぞれ第１図の―
線、―線、―線矢視拡大断面図、第７図
は切削加工状況を示す一部省略拡大斜視図、第８
図、第９図はそれぞれ切削状況を示す図であつて
、第５図、第６図と同様の図、第１０図ないし第
１２図は従来のスローアウエイチツプの一例を示
し、第１０図はその平面図、第１１図は第１０図
の矢視図、第１２図は第１０図の―
矢視拡大断面図である。２……スローアウエイチツプ、２１……すくい
面、２２……切刃、２２ａ……辺部、２２ｂ……
コーナ部、２３……突条、２５……凹部。 1 to 9 show an embodiment of this invention, FIG. 1 is a plan view thereof, FIG. 2 is a view taken in the direction of the arrow in FIG. Figures 4, 5, and 6 are the same as in Figure 1.
Figure 7 is an enlarged sectional view taken in the direction of line arrows; Figure 7 is a partially omitted enlarged perspective view showing the cutting process;
9 and 9 are diagrams showing cutting conditions, respectively, and are similar to FIGS. 5 and 6, and FIGS. 10 to 12 show an example of a conventional throw-away tip, and FIG. Its plan view, Fig. 11 is a view taken in the direction of the arrow in Fig. 10, and Fig. 12 is a plan view of Fig. 10.
It is an enlarged cross-sectional view in the direction of arrows. 2... Throwaway tip, 21... Rake face, 22... Cutting edge, 22a... Side part, 22b...
Corner portion, 23...projection, 25...recess.

Claims

[Claims for Utility Model Registration] (1) In a throw-away chip having a polygonal shape in plan view and having a cutting edge consisting of a side part and a corner part formed at the periphery of the rake face, said rake face A throw-away tip characterized in that a protrusion extending from the corner side toward the center of the rake face is formed, and a recess is formed on the rake face between the protrusion and the cutting edge. . (2) The throw-away tip according to claim 1, wherein the side portion of the cutting edge has a wavy shape in side view. (3) The throw-away chip according to claim 2, wherein the protrusion is formed in a wavy shape corresponding to the wavy side portion. (4) The protrusion has a corner angle of 2
Claims 1 to 3 of the utility model registration claim characterized in that the utility model is formed on a bisector line that divides into equal parts.
Throwaway tip described in any of the above. (5) Claims 1 to 1 of the claims for registration of a utility model, characterized in that the protrusion is formed so that its width gradually increases from the corner side toward the center of the rake face. The throw-away tip according to any of Item 4.