JPS63158709U

JPS63158709U -

Info

Publication number: JPS63158709U
Application number: JP4764987U
Authority: JP
Priority date: 1987-04-01
Filing date: 1987-04-01
Publication date: 1988-10-18

Description

[Brief explanation of the drawing]

第１図ａは本考案の一実施例に係るボーリング
アーバーによる加工状態を表わす側面図、第１図
ｂはボーリングアーバー挿入時のワークとの関係
を表わす正面図、第１図ｃは加工開始時における
ワークとの関係を表わす正面図、第１図ｄは第１
図ａ中のＸ―Ｘ線矢視図、第２図ａは従来のボー
リングアーバーによる加工状態を表わす側面図、
第２図ｂは中間サポート部の詳細図、第２図ｃは
第２図ｂの正面図、第２図ｄは第２図ａ中のＹ―
Ｙ線矢視図である。図面中、２１はボーリングアーバー、２２はア
ーバーサポート、２３はガイドキー、２４はバイ
ト、２５はスピンドル、２６はシリンダヘツド本
体、２７はベアリングキヤツプである。 Fig. 1a is a side view showing the machining state by a boring arbor according to an embodiment of the present invention, Fig. 1b is a front view showing the relationship with the workpiece when the boring arbor is inserted, and Fig. 1c is at the start of machining. Figure 1 d is a front view showing the relationship with the workpiece in Figure 1.
The X-X arrow view in Figure a, Figure 2 a is a side view showing the machining state by a conventional boring arbor,
Fig. 2b is a detailed view of the intermediate support part, Fig. 2c is a front view of Fig. 2b, and Fig. 2d is a Y-
It is a Y-line arrow view. In the drawing, 21 is a boring arbor, 22 is an arbor support, 23 is a guide key, 24 is a cutting tool, 25 is a spindle, 26 is a cylinder head body, and 27 is a bearing cap.

Claims

[Scope of utility model registration request]

1. A boring arbor in which a large number of cutting tools are provided in the axial direction of an arbor that can be driven and rotated, characterized in that the arbor is made of cemented carbide.