JPS62123803U

JPS62123803U -

Info

Publication number: JPS62123803U
Application number: JP1086686U
Authority: JP
Priority date: 1986-01-28
Filing date: 1986-01-28
Publication date: 1987-08-06
Also published as: JPH0437683Y2

Description

[Brief explanation of the drawing]

第１図〜第４図はこの考案の切削工具の一実施
例を示すもので、第１図は正面図、第２図は先端
側から見た側面図、第３図は下面図、第４図は第
２図の−線視図、第５図ａ〜ｄは上記切削工
具による切削状態を示すもので、第５図ａは平面
図、同図ｂは切削送り方向からの側面図、同図ｃ
は切削送り方向と直交する方向からの側面図、同
図ｄは被削材の仕上面拡大図、第６図〜第８図は
従来の切削工具を示すもので、第６図は概略斜視
図、第７図は先端側から見た側面図、第８図は平
面図、第９図ａ〜ｄは上記従来の切削工具による
切削状態を示すもので、第９図ａは平面図、同図
ｂは切削送り方向からの側面図、同図ｃは切削送
り方向と直交する方向からの側面図、同図ｄは被
削材の仕上面拡大図、第１０図はａ〜ｄ一般の切
削工具による切削状態を説明するための図で、第
１０図ａは平面図、同図ｂは切削送り方向からの
側面図、同図ｃは切削送り方向と直交する方向か
らの側面図、同図ｄは被削材の仕上面拡大図であ
る。２０……バイト本体（工具本体）、２１……チ
ツプ、２２……逃げ面、２３……切刃、２３ａ…
…中央部分、２３ｂ……端部、２４……すくい面
、θ……傾斜角度。 Figures 1 to 4 show one embodiment of the cutting tool of this invention. Figure 1 is a front view, Figure 2 is a side view seen from the tip side, Figure 3 is a bottom view, and Figure 4 is a bottom view. The figure is a - line view of Fig. 2, and Fig. 5 a to d show the cutting state by the cutting tool, Fig. 5 a is a plan view, Fig. 5 b is a side view from the cutting feed direction, and Fig. 5 a is a plan view, and Fig. 5 b is a side view from the cutting feed direction. Diagram c
is a side view taken from a direction perpendicular to the cutting feed direction, d is an enlarged view of the finished surface of the workpiece, FIGS. 6 to 8 show conventional cutting tools, and FIG. 6 is a schematic perspective view. , FIG. 7 is a side view as seen from the tip side, FIG. 8 is a plan view, and FIGS. 9 a to 9 d show the state of cutting by the conventional cutting tool, and FIG. b is a side view from the cutting feed direction, c is a side view from a direction perpendicular to the cutting feed direction, d is an enlarged view of the finished surface of the workpiece, and Fig. 10 is a to d general cutting tools. 10A is a plan view, FIG. 10B is a side view from the cutting feed direction, FIG. 10C is a side view from a direction perpendicular to the cutting feed direction, and FIG. is an enlarged view of the finished surface of the workpiece. 20... Bit body (tool body), 21... Chip, 22... Flank surface, 23... Cutting blade, 23a...
...Central portion, 23b...End portion, 24...Rake face, θ...Inclination angle.

Claims

[Scope of utility model registration request]

A plate-shaped chip with a cutting edge formed on the ridgeline between the flank face and the rake face is placed at the tip of the tool body, and the flank face is positioned on the tip side of the tool body and the rake face is cut. A cutting tool fixed at an angle with respect to the feed direction, characterized in that the cutting edge is formed by a curved line having a concave central portion.