JPH0166903U

JPH0166903U -

Info

Publication number: JPH0166903U
Application number: JP1987163244U
Authority: JP
Priority date: 1987-10-26
Filing date: 1987-10-26
Publication date: 1989-04-28

Description

[Brief explanation of drawings]

図面の本考案の１実施例を示すものであり、第
１図は逃げ溝付きセンタを組込んだ全体側面図、
第２図は工具とワークの溝とセンタの溝との関連
図を示す。図面において、１……逃げ溝付きセンタ、１ａ
……逃げ溝、１ｂ……切欠き溝（被検出部）、２
……テールストツク、３……ヘツドストツク、４
……刃物台、５……回転工具、６……ブラケツト
、７……近接スイツチ（検出体）、８……フエー
スドライバ、Ｔ……工具。 The drawings show one embodiment of the present invention, and FIG. 1 is an overall side view incorporating a center with a relief groove;
FIG. 2 shows a diagram of the relationship between the tool, the groove of the workpiece, and the groove of the center. In the drawings, 1...center with relief groove, 1a
... Relief groove, 1b ... Notch groove (detected part), 2
...Tail stock, 3...Head stock, 4
...Turret, 5...Rotary tool, 6...Bracket, 7...Proximity switch (sensing object), 8...Face driver, T...Tool.

Claims

[Scope of utility model registration request]

In a turning machine tool that supports both ends of the workpiece with a chucking device on the spindle side and a rotary center of the tail stock and processes a shaft work, the rotary center attached to the tail stock has an relief groove on a part of its tip and a part of its outer periphery. 1. A center with an escape groove, the tail stock having a detecting body forming a detected part and detecting the position by rotationally indexing the detected part of the center to a predetermined position.