JPS6272014U

JPS6272014U -

Info

Publication number: JPS6272014U
Application number: JP16396285U
Authority: JP
Priority date: 1985-10-25
Filing date: 1985-10-25
Publication date: 1987-05-08
Also published as: JPH0214897Y2

Description

[Brief explanation of drawings]

第１図〜第９図はこの考案のスローアウエイチ
ツプ（チツプ）の第一実施例を示すもので、第１
図は正面図、第２図は第１図のＡ_１―Ａ_１線視図
、第３図は第１図のＡ_２―Ａ_２線視図、第４図は
底面図、第５図は第１図のＡ_３―Ａ_３線視図、第
６図は上記チツプをエンドミル本体（工具本体）
に装着した状態を示す側面図、第７図は第６図の
Ａ_４―Ａ_４線視図、第８図は上記チツプの装着状
態を示す模式図、第９図は第８図のＢ部拡大図、
第１０図〜第１４図はこの考案の第二実施例を示
すもので、第１０図は正面図、第１１図は第１０
図のＡ_５―Ａ_５線視図、第１２図は第１０図のＡ
_６―Ａ_６線視図、第１３図は底面図、第１４図は
第１０図のＡ_７―Ａ_７線視図、第１５図〜第１９
図はこの考案の第三実施例を示すもので、第１５
図は正面図、第１６図は第１５図のＡ_８―Ａ_８線
視図、第１７図は第１５図のＡ_９―Ａ_９線視図、
第１８図は底面図、第１９図は第１５図のＡ_１０―Ａ_１０線視図、第２０図〜第２２図は従来のス
ローアウエイチツプを装着したエンドミル本体（
工具本体）を示すもので、第２０図は正面図、第
２１図は側面図、第２２図は第２０図のＡ_１１―
Ａ_１１線視図、第２３図は上記チツプの装着状態
を示す模式図、第２４図は第２３図のＣ部拡大図
である。２０，３０，４０…スローアウエイチツプ、２
１，３１，４２…上面、２２，３６，４１…下面
、２３，２４，２５，２６，３２，３３，３４，
４４，４５，４６，４７…切刃稜、２７，２８，
３４，３５，４８，４９…角部分、α…アキシヤ
ルレーキ角、Ｈ，Ｈ_１…オーバーニング量。 Figures 1 to 9 show the first embodiment of the throw-away chip (chip) of this invention.
The figure is a front view, Fig. 2 is a view taken along line A ₁ - A ₁ of Fig. 1, Fig. 3 is a view taken along line A ₂ - A ₂ of Fig. 1, Fig. 4 is a bottom view, and Fig. 5 is a view taken along line A 2 - A 1 of Fig. 1. A ₃ -A _3- line view in Figure 1, and Figure 6 shows the above tip as an end mill body (tool body).
7 is a side view showing the state in which the chip is attached, FIG. 7 is a view taken along line A ₄ - A ₄ in FIG. 6, FIG. 8 is a schematic diagram showing the state in which the chip is attached, and FIG. Enlarged view,
Figures 10 to 14 show a second embodiment of this invention, with Figure 10 being a front view and Figure 11 being a 10th embodiment.
A ₅ - A ₅ line view of the figure, Figure 12 is A of Figure 10
₆ - A ₆ line view, Figure 13 is a bottom view, Figure 14 is a view from A ₇ - A ₇ line of Figure 10, Figures 15 to 19
The figure shows the third embodiment of this invention, the 15th embodiment.
The figure is a front view, Fig. 16 is a view taken along line A ₈ - A ₈ in Fig. 15, and Fig. 17 is a view taken along line A ₉ - A ₉ in Fig. 15.
Figure 18 is a bottom view, Figure 19 is A ₁₀ of Figure 15. - A ₁₀ -line view and Figures 20 to 22 show the end mill body (
Fig. 20 is a front view, Fig. 21 is a side view, and Fig. 22 is A ₁₁ - of Fig. 20.
A _11- line view, FIG. 23 is a schematic view showing the state in which the chip is installed, and FIG. 24 is an enlarged view of section C in FIG. 23. 20, 30, 40... Throwaway tip, 2
1, 31, 42...Top surface, 22, 36, 41...Bottom surface, 23, 24, 25, 26, 32, 33, 34,
44, 45, 46, 47...cutting edge ridge, 27, 28,
34, 35, 48, 49... corner portion, α... axial rake angle, H, H ₁ ... overning amount.

Claims

[Scope of utility model registration request]

It has a rectangular plate shape with the lower surface as the seating surface, and the cutting edge on the upper surface, which is located on the tip side of the tool body and goes from the outer circumferential side to the inner circumferential side, is the bottom edge, and this bottom edge is sandwiched between In the indexable chip, a pair of cutting edge ridges facing each other are an outer peripheral edge and an inner peripheral edge, respectively, and the cutting edge ridge of the upper surface, which is the bottom edge, and the cutting edge ridge, which is the inner peripheral edge, are an inclined surface in which the thickness between the upper and lower surfaces gradually decreases from the central portion of the upper surface toward each corner portion of the corner portion between and the corner portion diagonally opposing the corner portion and the upper surface; A throw-away tip characterized by being formed by.