JPH01138516U

JPH01138516U -

Info

Publication number: JPH01138516U
Application number: JP2921188U
Authority: JP
Priority date: 1988-03-07
Filing date: 1988-03-07
Publication date: 1989-09-21

Description

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

第１図はこの考案の実施例の正面図、第２図は
部分切断側面図、第３図はスローアウエイチツプ
取付手段の一例を示す部分断面図、第４図は本考
案の一実施例の展開図、第５図は他の実施例の展
開図、第６図はさらに別の実施例の展開図、第７
図はスローアウエイチツプの取付状態を示す斜視
図、第８図はスローアウエイチツプと被削物の形
状との関係を示す説明図、第９図は被加工物の加
工面の部分断面図、第１０図は改善された仕上面
の部分断面図である。１……カツタ本、４……ねじれ溝、５……チツ
プ座、８……スローアウエイチツプ、１２……ス
ローアウエイチツプの切刃。 Fig. 1 is a front view of an embodiment of this invention, Fig. 2 is a partially cutaway side view, Fig. 3 is a partial sectional view showing an example of the throw-away tip attachment means, and Fig. 4 is an embodiment of the invention. A developed view, FIG. 5 is a developed view of another embodiment, FIG. 6 is a developed view of yet another embodiment, and FIG. 7 is a developed view of another embodiment.
8 is an explanatory diagram showing the relationship between the throw-away tip and the shape of the workpiece, FIG. 9 is a partial sectional view of the machined surface of the workpiece, and FIG. FIG. 10 is a partial cross-sectional view of the improved finished surface. 1...Katsuta book, 4...Twisted groove, 5...Tip seat, 8...Throwaway tip, 12...Cutting edge of throwaway tip.

Claims

【実用新案登録請求の範囲】 (1) 円筒形状をもつカツタ本体の外周円筒面に
複数のねじれ溝を形成し、該ねじれ溝に沿つて複
数のチツプ座を設け、該チツプ座にスローアウエ
イチツプを機械的に装着したスローアウエイ式ミ
ーリングカツタにおいて、チツプに異なるねじれ
角をもたせ、かつ該ねじれ角の少なくとも１つが
３０°〜９０°未満であることを特徴とするスロ
ーアウエイ式ミーリングカツタ。 (2) 前記スローアウエイチツプの切削範囲の一
部分が他のチツプと重複する請求項(1)記載のス
ローアウエイ式ミーリングカツタ。 (3) 前記ねじれ溝がスローアウエイチツプの切
刃と平行に形成されている請求項(1)又は(2)記載
のスローアウエイ式ミーリングカツタ。 (4) カツタ本体の端面に端面加工用チツプを取
り付けた請求項(1)乃至(3)のいずれか１に記載の
スローアウエイ式ミーリングカツタ。[Claims for Utility Model Registration] (1) A plurality of twisted grooves are formed on the outer cylindrical surface of a cutter body having a cylindrical shape, a plurality of tip seats are provided along the twisted grooves, and a throw-away tip is attached to the tip seats. What is claimed is: 1. A throw-away milling cutter to which chips are mechanically attached, characterized in that the chips have different helix angles, and at least one of the helix angles is from 30° to less than 90°. (2) The throw-away milling cutter according to claim 1, wherein a part of the cutting range of the throw-away tip overlaps with another tip. (3) The throw-away milling cutter according to claim (1) or (2), wherein the helical groove is formed parallel to the cutting edge of the throw-away tip. (4) The indexable milling cutter according to any one of claims (1) to (3), wherein an end face processing tip is attached to the end face of the cutter body.