TOOL, AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To provide a tool excellent in the anticorrosion of the surface of a cooling hole, and a production of the tool.SOLUTION: A tool has a work plane and a cooling hole for passing cooling water, and has a magnetite layer on the surface to contact the cooling water in that cooling...

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Hauptverfasser: MIYAJIMA YUTAKA, NARUMI MASATOSHI, MURASAKI TAKUYA, SHIRAISHI HIDETOSHI
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creator MIYAJIMA YUTAKA
NARUMI MASATOSHI
MURASAKI TAKUYA
SHIRAISHI HIDETOSHI
description PROBLEM TO BE SOLVED: To provide a tool excellent in the anticorrosion of the surface of a cooling hole, and a production of the tool.SOLUTION: A tool has a work plane and a cooling hole for passing cooling water, and has a magnetite layer on the surface to contact the cooling water in that cooling hole. A method manufactures a tool having a work plane and a cooling hole for passing the cooling water. The tool manufacturing method prepares the tool formed with the cooling hole, and performs an oxidation treatment by performing exposure to steam of 480 to 600°C thereby to form the magnetite layer on the surface to contact the cooling water in that cooling hole.SELECTED DRAWING: Figure 1 【課題】冷却孔の表面の耐食性に優れた工具およびその製造方法を提供する。【解決手段】作業面と、冷却水を通すための冷却孔とを有する工具であって、この冷却孔の冷却水と接する表面にマグネタイト層を有した工具である。そして、作業面と、冷却水を通すための冷却孔とを有する工具の製造方法であって、冷却孔が形成された工具を用意し、480〜600℃の水蒸気に曝すことによる酸化処理を行って、その冷却孔の冷却水と接する表面にマグネタイト層を形成する工具の製造方法である。【選択図】図1
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subjects CHEMICAL SURFACE TREATMENT
CHEMISTRY
COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
COATING MATERIAL WITH METALLIC MATERIAL
COATING METALLIC MATERIAL
DIFFUSION TREATMENT OF METALLIC MATERIAL
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
METALLURGY
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
title TOOL, AND ITS PRODUCTION
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