JPS5859518U - milling cutlet - Google Patents

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

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

第１図は従来例の説明図、第２図はその拡大説明−、第
３図はその菱形チップの斜視図、第４図は本考案の実施
例を示す全体正面図、第５図は一部正面図、第６図は第
１チツプの正面図、第７図は第２チツプの正面図、第８
図は組合せ及び切削状態の説明図である。 １はカッタ本体、１０は第１チツプ、２０は第２チｙプ
、１１．２１は円弧部、１２．２２゜２３は直線部、１
３は凹部。Fig. 1 is an explanatory diagram of a conventional example, Fig. 2 is an enlarged explanation thereof, Fig. 3 is a perspective view of the diamond-shaped chip, Fig. 4 is an overall front view showing an embodiment of the present invention, and Fig. 5 is an illustration of the same. Figure 6 is a front view of the first chip, Figure 7 is a front view of the second chip, and Figure 8 is a front view of the second chip.
The figure is an explanatory diagram of the combination and cutting state. 1 is the cutter body, 10 is the first tip, 20 is the second tip, 11.21 is the circular arc part, 12.22°23 is the straight part, 1
3 is a recess.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転駆動するカッタ本体１の周溝に第１・第２チップ１
０．２０を設けてなるミーリングカッタにおいて、前記
第１カツタ１０は、４隅が円弧部１１となり円弧部１１
の両側部が円弧部１１の円弧の接線となる互いに直交す
る直線部１２．１２となっているとともに隣り合う円弧
部１１を連続する部分に逃げとなる凹部１３をそれぞれ
形成した形状となり、第２チツプ２０′は、４隅が円弧
部２１となりかつ円弧部２１の両側部が互いに直角とな
った直線部２２．２３となっていると共に、前記第１チ
ツプ１０と組み合せた時に、その円弧部２１が第１チツ
プ１０の円弧部１１より外方位置とはならずかつ一側の
直線部２２が第１チツプ１０の一方の直線部１２と重り
合い他側の直線部２３が第１チツプ１０の他方の直線部
１２よりも内方位置となるような形状としたことを特徴
とするミーリングカッタ。The first and second chips 1 are installed in the circumferential groove of the cutter body 1 that is driven to rotate.
In the milling cutter provided with a diameter of 0.20, the first cutter 10 has arcuate portions 11 at its four corners.
Both side portions of the circular arc portion 11 have linear portions 12 and 12 that are perpendicular to each other and are tangents to the arc of the circular arc portion 11, and concave portions 13 serving as reliefs are formed in the continuous portions of the adjacent circular arc portions 11. The chip 20' has arcuate portions 21 at its four corners and linear portions 22 and 23 at right angles to each other on both sides of the arcuate portion 21, and when combined with the first chip 10, the arcuate portions 21 is not located outside the arcuate portion 11 of the first chip 10, and the straight part 22 on one side overlaps with one straight part 12 of the first chip 10, and the straight part 23 on the other side overlaps with one of the straight parts 12 of the first chip 10. A milling cutter characterized by having a shape that is located inward from the other straight portion 12.