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Patent Searching and Data


Title:
WELDING DEVICE AND WELDING METHOD
Document Type and Number:
Japanese Patent JP2018047476
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a welding device and a welding method which can shorten a processing time (working time) per one line (one piece) and is excellent in productivity (production capacity).SOLUTION: A beam for preheating is applied to a butted part between a joint face of a first member and a joint face of second member on a first position of vacuum environment. A beam for welding is applied to the butted part between the first member and the second member to which preheating is applied on the first position and the joint is performed on the second position of vacuum environment. A beam for post heating is applied to a joint part between the first member and the second member after completion of a welding process in which the beam for welding is applied and post heating is applied to the joint part, on the second position of vacuum environment.SELECTED DRAWING: Figure 1

Inventors:
FUJITA TAKASHI
SUZUKI SHINTARO
HIRAOKA TSUNEAKI
Application Number:
JP2016182915A
Publication Date:
March 29, 2018
Filing Date:
September 20, 2016
Export Citation:
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Assignee:
NTN CORP
International Classes:
B23K15/00; F16D3/20
Attorney, Agent or Firm:
城村 邦彦
熊野 剛