JPH01138602U

JPH01138602U -

Info

Publication number: JPH01138602U
Application number: JP3682888U
Authority: JP
Priority date: 1988-03-17
Filing date: 1988-03-17
Publication date: 1989-09-21

Description

[Brief explanation of drawings]

第１図ａはこの考案に係るスローアウエイチツ
プの平面図、第１図ｂは同上の側面図、第２図は
同上のスローアウエイチツプとエンドミル本体の
取付座を示す平面図、第３図ａはこの考案のチツ
プを装着したボールエンドミルの側面図、第３図
ｂは同上の平面図、第４図は従来のチツプとエン
ドミル本体の取付座を示す平面図、第５図ａ及び
ｂはそれぞれ他の従来例を示す側面図と底面図で
ある。１……スローアウエイチツプ、２……側面、４
……平坦面、６……チツプ取付座、７……座面、
α，β……逃げ角度。 Fig. 1a is a plan view of the throw-away tip according to this invention, Fig. 1b is a side view of the same, Fig. 2 is a plan view showing the mounting seat of the throw-away tip and the end mill main body, Fig. 3a is a side view of a ball end mill equipped with the tip of this invention, FIG. 3b is a plan view of the same as above, FIG. 4 is a plan view showing the conventional tip and the mounting seat of the end mill body, and FIGS. 5a and b are respectively FIG. 7 is a side view and a bottom view showing another conventional example. 1... Throwaway tip, 2... Side, 4
...Flat surface, 6... Chip mounting seat, 7... Seat surface,
α, β... Relief angle.

Claims

[Scope of utility model registration request]

A positive type throw-away chip having a circular shape in plan view is characterized in that four flat surfaces are formed at equal intervals in the circumferential direction on the side surface of the tip, and the tip is inclined at a relief angle larger than the relief angle of the side surface. Throwaway tip.