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Patent Searching and Data


Title:
溶接装置及び溶接方法
Document Type and Number:
Japanese Patent JP7155821
Kind Code:
B2
Abstract:
A welding apparatus 10 includes a welding power source 20 for outputting current between a consumable electrode and a workpiece W, a feeding apparatus 14 for sending the consumable electrode to the workpiece W, an AC pulse control unit 111 that controls the welding power source 20 to alternately repeat a positive electrode peak period P10 for outputting a peak current A1 with the workpiece W as a positive electrode and a negative electrode peak period P20 for outputting a peak current A11 with the workpiece W as a negative electrode with a base period P30 for outputting base currents A2 and A12 interposed, and a feed control unit 115 that causes the feeding apparatus 14 to bring the consumable electrode close to the workpiece W so as to temporarily short circuit the consumable electrode and the workpiece W at least during the base period P30 after the positive electrode peak period P10.

Inventors:
Murakami Masashi
Fuminori Inagaki
Application Number:
JP2018183603A
Publication Date:
October 19, 2022
Filing Date:
September 28, 2018
Export Citation:
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Assignee:
Yaskawa Electric Co., Ltd.
International Classes:
B23K9/073; B23K9/12; B23K9/173
Domestic Patent References:
JP2008531283A
JP2015530252A
JP63157765A
JP6063747A
JP2018118317A
Foreign References:
DE102006050297A1
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yasunori Ishizaka
Shigeki Matsuo