JPS58136203U

JPS58136203U - Throwaway tip

Info

Publication number: JPS58136203U
Application number: JP238683U
Authority: JP
Inventors: 良克森
Original assignee: 住友電気工業株式会社
Priority date: 1983-01-11
Filing date: 1983-01-11
Publication date: 1983-09-13
Also published as: JPS5932483Y2

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 the drawing]

第１図ａは、従来のスローアウェイチップを示す平面図
、第１図すは同上のＩ−Ｉ線に沿った拡大断面図、第２
図ａは、従来の他のスローアウェイチップを示す平面図
、第２図すは同上の■−■線に沿った拡大断面図、第３
図は、この考案のスローアウェイチップを示す平面図、
第４図は同上の側面図、第５図は同じく斜視図、第６図
は第３図■−■線に沿った拡大断面図、第７図は第３図
ＩＶ−ＩＶ線に沿った拡大断面図、第８図は、他の実施
例の要部を示す断面図、第９図は面取作業における切屑
の排出状態を示す図である。１０・・・スローアウェイチップ、１１・・・上面、１
２・・・下面、１３・・・側面、１４・・・突出部、１
５・・・小突起、１６・・・切刃、１７・・・ノーズ。FIG. 1a is a plan view showing a conventional indexable tip, FIG.
Figure a is a plan view showing another conventional indexable tip, Figure 2 is an enlarged sectional view taken along the line ■-■ as above, and Figure 3
The figure is a plan view showing the indexable tip of this invention.
Fig. 4 is a side view of the same as above, Fig. 5 is a perspective view of the same, Fig. 6 is an enlarged sectional view taken along the line ■-■ of Fig. 3, and Fig. 7 is an enlarged view taken along the line IV-IV of Fig. 3. FIG. 8 is a cross-sectional view showing a main part of another embodiment, and FIG. 9 is a view showing a state in which chips are discharged during chamfering work. 10... Throwaway tip, 11... Top surface, 1
2...Bottom surface, 13...Side surface, 14...Protrusion part, 1
5... Small protrusion, 16... Cutting edge, 17... Nose.

Claims

[Scope of utility model registration request]

In a polygonal indexable insert having a flat rake face or a rake face inclined toward the center from the cutting edge, there is a surface on the rake face 0.5 smaller than the inscribed circle of the cutting edge.
~3TrrIrL smaller than the cutting edge by 0.1~l m
m-tall truncated cone-shaped protrusion, and a spherical or truncated cone-shaped small protrusion of approximately the same height as the protrusion is formed near each nose. Chip.