Title:
WELDING MACHINE AND WELDING SYSTEM PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2021/044731
Kind Code:
A1
Abstract:
An arc welding machine (1000) comprises at least a welding torch (300) that holds a welding wire (400), and a welding power supply device (100). The welding power supply device (100) comprises at least: a current/voltage detection unit (20); a data processing unit (90); a first storage unit (40); and a second storage unit (50). The current/voltage detection unit (20) sequentially obtains a plurality of output voltage values of welding voltage at a sampling frequency (fs). The first storage unit (40) stores the plurality of output voltage values. The data processing unit (90) calculates, on the basis of the plurality of output voltage values stored in the first storage unit (40), at least one of numbers of occurrences of minute short-circuit(s) caused between the welding wire (400) and a workpiece (W) and an average value of the numbers, and stores in the second storage unit (50) at least one of the number of occurrences of minute short-circuit(s) and the average value thus calculated.
Inventors:
IHARA HIDEKI
AN BAOYU
KAWASHIMA NORIYUKI
NOGUCHI TAKAHIRO
NAGANO MOTOYASU
AN BAOYU
KAWASHIMA NORIYUKI
NOGUCHI TAKAHIRO
NAGANO MOTOYASU
Application Number:
PCT/JP2020/026984
Publication Date:
March 11, 2021
Filing Date:
July 10, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
B25J13/00; B23K9/095; B23K9/173
Foreign References:
| JP2006026640A | 2006-02-02 | |||
| JP2002229863A | 2002-08-16 | |||
| JP2015112631A | 2015-06-22 | |||
| JP2013010119A | 2013-01-17 | |||
| JP2015112631A | 2015-06-22 | |||
| JP2016022519A | 2016-02-08 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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