JPH02122717U - - Google Patents

Description

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

第１図ないし第８図は本考案の一実施例を示す
図であつて、第１図はエンドミルの軸線方向先端
視図、第２図はその側面図、第３図は第２図の
−線断面図、第４図は第２図の方向矢視図、
第５図はチツプを示す平面図、第６図は第５図の
−線断面図、第７図は第５図中矢印で示す
部分の拡大図、第８図は第７図に示すチツプの変
形例を示し、第５図中矢印で示す部分の拡大図
、第９図ないし第１３図は従来のスローアウエイ
式カツターの一例を示し、第９図はエンドミルの
軸線方向先端視図、第１０図はその側面図、第１
１図は第１０図の−線断面図、第１２図
は正面フライスの一部破砕側面図、第１３図はそ
の軸線方向先端視図である。 １０……カツター本体、１１，１２……チツプ
ポケツト、１３，１４……チツプ、１９……主切
刃、２３，２４……底刃、２５……外周刃、Ｏ…
…軸線、Ｐ……回転軌跡。 1 to 8 are views showing one embodiment of the present invention, in which FIG. 1 is a view of the end mill in the axial direction, FIG. 2 is a side view thereof, and FIG. A line sectional view, FIG. 4 is a direction arrow view of FIG. 2,
Fig. 5 is a plan view showing the chip, Fig. 6 is a sectional view taken along the line - - in Fig. 5, Fig. 7 is an enlarged view of the part indicated by the arrow in Fig. 5, and Fig. 8 is a plan view of the chip shown in Fig. 7. 9 to 13 show an example of a conventional throw-away type cutter, FIG. 9 is a view of the tip of the end mill in the axial direction, and FIG. The figure is its side view, the first
1 is a sectional view taken along the line -- in FIG. 10, FIG. 12 is a partially fragmented side view of the face milling cutter, and FIG. 13 is a view of the end in the axial direction. 10...Cutter body, 11, 12...Tip pocket, 13, 14...Tip, 19...Main cutting edge, 23, 24...Bottom blade, 25...Peripheral blade, O...
...Axis line, P...Rotation locus.

Claims (1)

【実用新案登録請求の範囲】 (1) 軸線回りに回転させられるカツター本体の
先端部に複数のスローアウエイチツプがその主切
刃の一つを底刃として着脱自在に装着され、各ス
ローアウエイチツプの底刃が回転軌跡において連
続させられるとともに、最も外周側に位置するス
ローアウエイチツプの他の主切刃が外周刃とされ
たスローアウエイ式カツターにおいて、上記外周
刃から回転方向へ向かうカツター本体の外周に、
上記外周刃の回転軌跡から1/10D〜2/10D（Ｄは外
周刃の直径）内周側へ凹む凹部を設けたことを特
徴とするスローアウエイ式カツター。 (2) 前記チツプポケツトのうち最も内周側に位
置するスローアウエイチツプに対応するチツプポ
ケツトを、このチツプポケツトと加工穴の内壁面
とによつて形成される空間内に直径1/3D〜1/2Dの
球の全体を収納し得る大きさとしたことを特徴と
する実用新案登録請求の範囲第１項に記載のスロ
ーアウエイ式カツター。[Claims for Utility Model Registration] (1) A plurality of throw-away tips are removably attached to the tip of the cutter body, which can be rotated about its axis, with one of its main cutting edges serving as the bottom edge, and each throw-away tip In a throw-away type cutter in which the bottom edge of the cutter is continuous in the rotation locus, and the other main cutting edge of the throw-away tip located on the outermost side is the outer edge, the cutter body is On the outer periphery
A throw-away type cutter characterized in that a recess is provided that is recessed inward from the rotation locus of the outer peripheral blade by 1/10D to 2/10D (D is the diameter of the outer peripheral blade). (2) Place a chip pocket corresponding to the throwaway chip located on the innermost side of the chip pocket with a diameter of 1/3D to 1/2D in the space formed by this chip pocket and the inner wall surface of the machined hole. The throw-away type cutter according to claim 1 of the utility model registration, characterized in that the cutter is sized to accommodate the entire ball.