JPS6335508U - - Google Patents

Description

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

第１図および第２図は本考案の一実施例を示す
図であつて、第１図はその側面図、第２図はその
軸線方向先端視図、第３図は第１図中矢印部分
の拡大図、第４図は第２図中矢印部分の拡大図
、第５図および第６図は従来のスローアウエイ式
カツタの一例を示す図であつて、第５図はその側
面図、第６図はその軸線方向先端視図、第７図は
従来の仕上げ加工用リーマを示す斜視図である。 ３１……スローアウエイ式カツタ、３３……工
具本体、４３……第１のスローアウエイチツプ、
６１……第２のスローアウエイチツプ。 1 and 2 are views showing one embodiment of the present invention, in which FIG. 1 is a side view thereof, FIG. 2 is a view from the tip in the axial direction, and FIG. 3 is a portion indicated by an arrow in FIG. 1. FIG. 4 is an enlarged view of the arrowed part in FIG. 2, FIGS. 5 and 6 are views showing an example of a conventional throw-away cutter, and FIG. FIG. 6 is a front end view in the axial direction, and FIG. 7 is a perspective view showing a conventional finishing reamer. 31... Throwaway cutter, 33... Tool body, 43... First throwaway tip,
61...Second throwaway tip.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 工具本体の外周に、荒刃とされる第１のスロー
アウエイチツプが着脱自在に装着され、この第１
のスローアウエイチツプの軸方向の位置より後方
に、仕上げ刃とされる第２のスローアウエイチツ
プが着脱自在に装着され、前記第１のスローアウ
エイチツプおよび前記第２のスローアウエイチツ
プは、前記第２のスローアウエイチツプの切刃径
が前記第１のスローアウエイチツプの切刃径より
大きくなるように、それぞれ円筒研削されている
ことを特徴とするスローアウエイ式カツタ。 A first throw-away tip, which is a rough cutting edge, is removably attached to the outer periphery of the tool body.
A second throw-away tip, which serves as a finishing blade, is removably attached to the rear of the axial position of the throw-away tip, and the first throw-away tip and the second throw-away tip are connected to the second throw-away tip. A throw-away type cutter, characterized in that each of the second throw-away tips is cylindrically ground so that the diameter of the cutting edge is larger than the diameter of the cutting edge of the first throw-away tip.