Pin gage with wear confirmation line and manufacturing method

磨耗確認ライン付ピンゲージ及び製造法

Abstract

【課題】金属加工用各種金型製造時のスライドコアピン穴、位置決めピン穴、自動制御装置や専用機器、治工具類など位置決めや精度比較測定時にピンゲージ本体のラインが磨耗によって、ピンゲージの交換時期を高精度維持の見極め確認ができる磨耗確認ライン付ピンゲージ等を提供する。 【解決手段】断面が円形状にして、且所定長さの工具鋼等のピンゲージ本体aの端部1、2から外周部3の中央部4にかけて延設する所定長さの磨耗確認ライン5を設ける。また、前記磨耗確認ライン5は、前記ピンゲージ本体aの左右両端部1,2から外周部3の中央部4にかけて設ける。 【選択図】 図1
PROBLEM TO BE SOLVED: To provide a pin gage with wear confirmation line or the like in which the timing to exchange the pin gage can be estimated and confirmed while maintaining high accuracy when a line of a pin gage body is worn in positioning of comparatively measuring accuracy of a slide core pin hole, a positioning pin hole, an automatic control apparatus or dedicated device, machine tools and the like when manufacturing various metal dies for metal machining.SOLUTION: A wear confirmation line 5 is provided for a predetermined length extending from terminal parts 1, 2 to a central part 4 of an outer circumferential part 3 of a pin gage body (a) of machine tool steel or the like having a circular cross section and a predetermined length. Furthermore, the wear confirmation line 5 is provided from both the left and right terminal parts 1, 2 to the central part 4 of the outer circumferential part of the pin gage body (a).

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