JPS6029416U - Tips for indexable end mills - 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 the drawing]

第１図は本考案のチップを装着したエンドミルの要部を
断面した説明的正面図、第２図は第１図の底面図、第３
図は第１図の要部を展開した説明図、第４図は第３図の
一部分を鉱夫した説明図、第５図は本考案のチップを示
したもので、ａは正面図、ｂはａの底面図、Ｃはａの側
面図などである。 １・・・エンドミル本体、２・・・チップ固定ネジ、３
・・・チップ、１０・・・柄、１１・・・胴部、３３・
・・側面、３４・・・上面、３５・・・側面、３６・・
・切刃稜、３７・・・凹溝、３８・・・上方の稜線、３
９・・・下方の稜線、０・・・軸中心、θ・・・レーキ
角。Fig. 1 is an explanatory front view of the essential parts of an end mill equipped with the tip of the present invention, Fig. 2 is a bottom view of Fig. 1, and Fig. 3 is a bottom view of Fig. 1.
The figure is an expanded explanatory diagram of the main part of Figure 1, Figure 4 is an explanatory diagram of a part of Figure 3 as a miner, and Figure 5 shows the chip of the present invention, where a is a front view and b is a front view. A is a bottom view of a, C is a side view of a, etc. 1... End mill body, 2... Tip fixing screw, 3
... Chip, 10... Handle, 11... Body, 33.
...Side surface, 34...Top surface, 35...Side surface, 36...
・Cutting edge ridge, 37... Concave groove, 38... Upper ridge line, 3
9... Lower ridgeline, 0... Axis center, θ... Rake angle.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 硬物質からなるチップは、一方の少なくとも一側に正ま
たは負のすくい面となる側面と他方に本体の固定壁に対
する固定側面または逃げ側面となる側面と、本体のチッ
プ座に対応する固定面または逃げ面となる下面と上面か
らなり、該下面または上面の少なくとも一面に所定間隔
を有して複数形成する凹溝は、切刃稜を含んで形成する
と共に該凹溝の下方の稜線は、このチップを本体の周側
所定位置に着脱自在に固着した状態の前記本体の軸中心
に対し鋭角の稜線角を附与して形成すると共に上方の稜
線は該軸中心に対し９０〜１１０°に形成したことを特
徴とするスローアウェイ式エンドミル用のチップ。A chip made of a hard material has at least one side surface that serves as a positive or negative rake surface, a side surface that is a fixed side surface or relief surface relative to the fixed wall of the main body, and a fixed surface or a side surface that corresponds to the chip seat of the main body. A plurality of grooves formed at a predetermined interval on at least one surface of the lower surface or the upper surface, which are composed of a lower surface and an upper surface that serve as flanks, are formed to include a cutting edge ridge, and the lower ridgeline of the groove is The chip is removably fixed at a predetermined position on the circumference of the main body, and the ridge line is formed at an acute angle with respect to the axial center of the main body, and the upper ridge line is formed at 90 to 110 degrees with respect to the axial center. A tip for indexable end mills that is characterized by: