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Title:
鋼管端部の加工装置及び加工方法
Document Type and Number:
Japanese Patent JP6687316
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To simultaneously apply fairing processing and groove processing to an end part and an end surface of a welding steel pipe.SOLUTION: A processing device of a steel pipe end part comprises (i) a groove processing device for processing a groove on a steel pipe end surface on the outer periphery or the inner periphery of a surface board for advancing or retreating to a welding steel pipe by rotating around the pipe axis of the welding steel pipe, and also comprises (ii) one or both of an end part fairing device for cutting-removing welding excess metal and/or a sticking object generated on an outer peripheral surface or an inner peripheral surface of a steel pipe end part and a projection cutting device for cutting-removing a projection continuously formed on an outer peripheral surface or an inner peripheral surface of the welding steel pipe.

Inventors:
国本 允
田村 優樹
Application Number:
JP2014082267A
Publication Date:
April 22, 2020
Filing Date:
April 11, 2014
Export Citation:
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Assignee:
日本製鉄株式会社
International Classes:
B23B5/08; B23B5/16; B23K31/00
Domestic Patent References:
JP2013132718A
JP6182614A
JP10337601A
JP2172602A
JP4620439B2
JP59100501U
JP2004174608A
Attorney, Agent or Firm:
青木 篤
三橋 真二
福地 律生
齋藤 学