Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
METHOD FOR MANUFACTURING OUTER DIAPHRAGM
To provide a method for manufacturing an outer diaphragm in which a cross section thickness is uniform and a flat plate part (a flat part excluding a curvature part of a corner part) of an outer periphery which is a joint surface of a beam is large in the circumferential direction.SOLUTION: In a method for manufacturing an outer diaphragm 30 which is formed into a rectangular ring shape to be fitted to a joining position of a beam 20 to a square steel pipe column 10, a steel plate having a thickness T of 40 mm or more is formed into a cold rectangular steel pipe having a uniform inner radius of curvature at each corner by cold press molding; a cold rectangular steel pipe formed by cold press molding is formed by hot roll molding in a throttle shape so that its inner surface curvature radius becomes a prescribed inner surface curvature radius corresponding to an outer surface curvature radius r of each corner part of the square steel pipe column 10.SELECTED DRAWING: Figure 1
【課題】断面厚さが均一で且つ梁の接合面である外周の平板部分（コーナー部の曲率部分を除く平坦な部分）が周方向に大きい外ダイヤフラムの製造方法を提供する。【解決手段】角形リング状に成形され、角形鋼管柱１０に対する梁２０の接合位置に外嵌される外ダイヤフラム３０の製造方法であって、板厚Ｔが４０ｍｍ以上の極厚鋼板を冷間プレス成形によって、各コーナー部の内面曲率半径が均一となる冷間角形鋼管に成形し、冷間プレス成形によって成形した冷間角形鋼管を、その内面曲率半径が、角形鋼管柱１０の各コーナー部の外面曲率半径ｒに応じた所定の内面曲率半径となるように絞り状に熱間ロール成形によって成形する。【選択図】図１
METHOD FOR MANUFACTURING OUTER DIAPHRAGM
To provide a method for manufacturing an outer diaphragm in which a cross section thickness is uniform and a flat plate part (a flat part excluding a curvature part of a corner part) of an outer periphery which is a joint surface of a beam is large in the circumferential direction.SOLUTION: In a method for manufacturing an outer diaphragm 30 which is formed into a rectangular ring shape to be fitted to a joining position of a beam 20 to a square steel pipe column 10, a steel plate having a thickness T of 40 mm or more is formed into a cold rectangular steel pipe having a uniform inner radius of curvature at each corner by cold press molding; a cold rectangular steel pipe formed by cold press molding is formed by hot roll molding in a throttle shape so that its inner surface curvature radius becomes a prescribed inner surface curvature radius corresponding to an outer surface curvature radius r of each corner part of the square steel pipe column 10.SELECTED DRAWING: Figure 1
【課題】断面厚さが均一で且つ梁の接合面である外周の平板部分（コーナー部の曲率部分を除く平坦な部分）が周方向に大きい外ダイヤフラムの製造方法を提供する。【解決手段】角形リング状に成形され、角形鋼管柱１０に対する梁２０の接合位置に外嵌される外ダイヤフラム３０の製造方法であって、板厚Ｔが４０ｍｍ以上の極厚鋼板を冷間プレス成形によって、各コーナー部の内面曲率半径が均一となる冷間角形鋼管に成形し、冷間プレス成形によって成形した冷間角形鋼管を、その内面曲率半径が、角形鋼管柱１０の各コーナー部の外面曲率半径ｒに応じた所定の内面曲率半径となるように絞り状に熱間ロール成形によって成形する。【選択図】図１
METHOD FOR MANUFACTURING OUTER DIAPHRAGM
外ダイヤフラムの製造方法
NAKAJIMA NORIO (Autor:in) / NAKAJIMA SHIN (Autor:in) / KANO HIDEKI (Autor:in)
27.06.2019
Patent
Elektronische Ressource
Japanisch
IPC:
B21C
MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING
,
Herstellen von Blechen, Metalldraht, -stangen, -rohren Metallprofilen oder Halbzeugen auf andere Weise als durch Walzen
/
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
/
E04C
STRUCTURAL ELEMENTS
,
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