JPH024712U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案のチツプの一例を示す斜視図
、第２図〜第４図は上記チツプによる被削材の径
方向の切削状態を示すもので、第２図は正面図、
第３図は側面図、第４図は第２図の方向視図、
第５図〜第７図は同じく被削材の軸線方向の切削
状態を示すもので、第５図は平面図、第６図は正
面図、第７図は第６図の方向視図、第８図は従
来のチツプを示す斜視図、第９図〜第１１図は上
記チツプによる被削材の径方向の切削状態を示す
もので、第９図は側面図、第１０図は正面図、第
１１図は第９図の“Ａ”部拡大図、第１２図およ
び第１３図は上記チツプの変形例による切削状態
を示すもので、第１２図は平面図、第１３図は正
面図、第１４図〜第１６図は第８図に示すチツプ
による軸線方向の切削状態を示すもので、第１４
図は平面図、第１５図および第１６図は正面図で
ある。 ２１……チツプ（スローアウエイチツプ）、２
２……上面、２３……下面、２４……取付孔、２
５ａ，２６ｂ……側面、２６……主切刃、２７…
…すくい面、２８……側刃、２９……チヤンフア
部、３０……チヤンフア刃、α……逃げ角。 Fig. 1 is a perspective view showing an example of the chip of this invention, Figs. 2 to 4 show the cutting state of a workpiece material in the radial direction by the above-mentioned chip, and Fig. 2 is a front view;
Figure 3 is a side view, Figure 4 is a directional view of Figure 2,
Figures 5 to 7 similarly show the state of cutting in the axial direction of the work material, with Figure 5 being a plan view, Figure 6 being a front view, and Figure 7 being a directional view of Figure 6; FIG. 8 is a perspective view of a conventional chip, FIGS. 9 to 11 are diagrams showing how the chip cuts a workpiece in the radial direction, FIG. 9 is a side view, FIG. 10 is a front view, FIG. 11 is an enlarged view of the "A" part in FIG. 9, FIGS. 12 and 13 show the cutting state of a modified example of the chip, FIG. 12 is a plan view, FIG. 13 is a front view, 14 to 16 show cutting states in the axial direction by the chip shown in FIG.
The figure is a plan view, and FIGS. 15 and 16 are front views. 21... Chip (throwaway chip), 2
2...Top surface, 23...Bottom surface, 24...Mounting hole, 2
5a, 26b...Side surface, 26...Main cutting edge, 27...
... rake face, 28... side edge, 29... chianghua section, 30... chianghua edge, α... clearance angle.

Claims (1)

【実用新案登録請求の範囲】 外観略方形の板状をなし、上下面の中央部分に
これらの間を貫通する取付孔が穿設されるととも
に、これら上下面間に位置する側面の上記取付孔
の軸線と平行な稜線部が主切刃とされ、かつこの
主切刃のすくい面と上記上下面とが交差する稜線
部に側刃が形成されたスローアウエイチツプにお
いて、 互いに隣接しない一対の上記側面の両端部分に
、上記主切刃のすくい面を形成し、かつこれら一
対の側面間に挾まれて上記主切刃の前逃げ面とさ
れる一対の側面と上記上下面とが交差する稜線部
に、全長に亙つて幅寸法が０．５mm〜１．５mmの
範囲であるチヤンフア部を形成し、これにより上
記主切刃と側刃との間にチヤンフア刃を形成した
ことを特徴とするスローアウエイチツプ。[Claims for Utility Model Registration] It has a substantially rectangular plate shape in appearance, with a mounting hole penetrating through the center of the upper and lower surfaces, and the above-mentioned mounting hole on the side surface located between the upper and lower surfaces. In a throw-away chip in which a ridgeline parallel to the axis of the main cutting edge is the main cutting edge, and a side cutting edge is formed at the ridgeline where the rake face of the main cutting edge intersects with the upper and lower surfaces, a pair of the above-mentioned edges that are not adjacent to each other are used. A ridgeline at both end portions of the side surface that forms a rake face of the main cutting edge and is sandwiched between the pair of side surfaces and serves as a front clearance surface of the main cutting edge, and a ridge line where the upper and lower surfaces intersect. A chamfer part having a width in the range of 0.5 mm to 1.5 mm is formed over the entire length, thereby forming a chamfer part between the main cutting edge and the side blade. Throwaway tip.