JPS60120714U - chamfer cutter - 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図は従来の面取りカッターの先端形状を示す図、第
２図は工作物の従来の面取り加工前を示す図、第３図は
工作物の従来の面取り加工後を示す図、第４図は本考案
の一実施例を示す図、第５図は本考案の一実施例の面取
りカッターによる工作物の面取り加工状態を示す図であ
る。 １１・・・面取りカッター、１２・・・切刃部、１２ａ
・・・切刃、１３・・・工作物、１４・・・加工孔、１
５・・・ガイド部。Fig. 1 shows the tip shape of a conventional chamfering cutter, Fig. 2 shows the workpiece before the conventional chamfering process, Fig. 3 shows the workpiece after the conventional chamfering process, and Fig. 4 5 is a diagram showing an embodiment of the present invention, and FIG. 5 is a diagram showing a state of chamfering a workpiece by a chamfer cutter according to an embodiment of the present invention. 11... Chamfering cutter, 12... Cutting blade portion, 12a
... Cutting blade, 13 ... Workpiece, 14 ... Machining hole, 1
5...Guide section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 工作物の加工孔の開口端面を面取りする面取りカッター
において、円錐状外周壁に切刃を形成した切刃部と、該
切刃部の加工孔内径に近い外径を有する部分から加工孔
内周面に接近するように屈曲して延びる外周面を有した
ガイド部と、を備え−た構成としたことを特徴とする面
取りカッター。In a chamfering cutter that chamfers the opening end face of a machined hole in a workpiece, a cutting edge section has a cutting edge formed on a conical outer circumferential wall, and a part of the cutting edge section having an outer diameter close to the inner diameter of the processing hole is used to cut the inner circumference of the processing hole. A chamfering cutter comprising: a guide portion having an outer circumferential surface bent and extending so as to approach a surface.