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Title:
METHOD FOR TURNING PIPE END PART OF METAL PIPE, AND METHOD FOR MANUFACTURING METAL PIPE
Document Type and Number:
Japanese Patent JP2016198871
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method for turning a pipe end part of a metal pipe and a method for manufacturing the metal pipe in which cutting defect is not generated even when the feeding amount of a cutting tool to the metal pipe is large, and the life of a cutting tip can be prolonged.SOLUTION: A method for turning a pipe end part of a metal pipe according to an embodiment includes a preparation process, a setting process, and a turning process. In the preparation process, a metal pipe 1 and a cutting tool 4 equipped with a cutting tip 5 having an apex angle α of 60° or less are prepared. In the setting process, the front cutting blade angle β of the cutting tip 5 is set at 5-90°. In the turning process, the metal pipe 1 is rotated around a pipe axis X, and the feeding amount of the cutting tool 4 to the metal pipe 1 is set at 10 mm/rev or more to turn the pipe end part of the metal pipe 1.SELECTED DRAWING: Figure 5

Inventors:
MATSUMOTO TAKUYA
KANDA OSAMU
Application Number:
JP2015082428A
Publication Date:
December 01, 2016
Filing Date:
April 14, 2015
Export Citation:
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Assignee:
NIPPON STEEL & SUMITOMO METAL CORP
International Classes:
B23B1/00; B23B5/48
Domestic Patent References:
JP2014535023A2014-12-25
JPS63176006U1988-11-15
JP2010017801A2010-01-28
JP2011501075A2011-01-06
JP2014035012A2014-02-24
JPS6162694A1986-03-31
JPH0319701A1991-01-28
JPH054101A1993-01-14
JP2002046001A2002-02-12
JP2003062707A2003-03-05
JP2008036795A2008-02-21
JP2008290214A2008-12-04
Foreign References:
US20110290476A12011-12-01
Attorney, Agent or Firm:
Ascend Patent Business Corporation



 
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