Spot welding system, method and computer program capable of making pressurizing force applied to object to be pressed to be constant

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United States of America Patent

PATENT NO 9999937
SERIAL NO

14927554

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Abstract

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A spot welding system 10 includes a spot welding gun having an opposite electrode 44, a movable electrode 48, and a drive part 52, a position detection part 54 that detects a position of the movable electrode 48, and a pressure change calculation part that calculates an amount of change between first pressurizing force at a first attitude and second pressurizing force at a second attitude based on a first position of the movable electrode 48 when the drive part 52 has been driven by a first pressurizing force command at the first attitude, a second position of the movable electrode 48 when the drive part 52 has been driven by the first pressurizing force command at the second attitude, and the first pressurizing force command. The first pressurizing force command and the first pressurizing force coincide with each other.

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Patent Owner(s)

Patent OwnerAddress
FANUC CORPORATIONOSHINO-MURA MINAMITSURU-GUN YAMANASHI 401-0597

International Classification(s)

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  • 2015 Application Filing Year
  • B23K Class
  • 2354 Applications Filed
  • 1765 Patents Issued To-Date
  • 74.98 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoki, Toshimichi Yamanashi, JP 23 151

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges4727054712411101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 70050100150200250300350400450500550600650700750

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